"Lab 2 Chemistry Of Life" Essays and Research Papers

  • Lab 2 Chemistry Of Life

    to determine the molarity of NaOH, we rinsed a burette with about 5ml of water and another 5ml of NaOH to prepare it for the experiment. We then measured exactly 25ml of the prepared KHP from the previous part into a 250ml Erlenmeyer flask and added 2 drops of the indicator, phenolphthalein. Next we filled the burette with the approximately 0.1 M NaOH so that our initial volume will be 0.0mls. We then started our titration by carefully pouring a little amount of the base into the prepared 25ml of...

    Acetic acid, Acid, Acid dissociation constant 1504  Words | 5  Pages

  • Lab 2 the Chemistry of Life

    Lab 2: The Chemistry of Life Name _____Aniqa Qureshi_ Insert the chemical symbol in the answer blank for each of the following elements. ___O______ 1. oxygen ___C______ 2. carbon ___K______ 3. potassium ___I______ 4. iodine ___H______ 5. hydrogen ___N______ 6. nitrogen ____Ca_____ 7. calcium ____Na_____ 8. sodium ____P_____ 9. phosphorus ____Mg_____ 10. magnesium ____Cl_____ 11. chloride ____Fe_____ 12. iron In the space below, list the chemicals (above) from the MOST...

    Acid, Atom, Carbon dioxide 949  Words | 8  Pages

  • Chemistry Lab

    October 13, 2012 Needle through a Balloon Pre-Lab Preparations: Purpose: The purpose of this experiment is to see if the balloon pops when pierced with a wooden skewer or a sharp pin. Hypothesis: If we lubricate the skewer with petroleum jelly, then it should go through the balloon without popping. Hypothesis for the 2nd part of the Lab: If we cover the side of the balloon with cellophane tape, then it will not pop when pierced with the pin. Materials: • Balloons • Long wooden...

    Experiment, Hypothesis, Observation 713  Words | 3  Pages

  • Lab 2

    Solvent/Water Trap Diagram Rodney Atwaters Halle Bair May 28, 2013 Chemistry 36100 Introduction The purpose of this lab was to produce benzoic acid by mixing sodium benzoate with hydrochloric acid. The Hydrochloric acid used in the experiment was a stock solution made by mixing HCl Acid and deionized water. HCl acid, historically called, muriatic acid or spirits of salt, hydrochloric acid is produced from sulfuric acid and common salt, NaCl (Princeton.edu). Since the early 1900's, sodium...

    Chemistry, Chlorine, Hydrochloric acid 931  Words | 4  Pages

  • LAB 2

    CHM138 Lab 2 Measurements: Accuracy and Precision Name: Data Tables Place your completed data tables into your report here: Data Table 1 Measuring Instrument Decimal Known With Certainty Decimal Estimated Ruler Tenths Hundredths Thermometer Tenths Hundredths 10mL graduated cylinder Tenths Hundredths 50mL graduated cylinder Tenths Hundredths 100mL graduated cylinder Tenths Hundredths Data Table 2 Measurement Data Length of aluminum plastic packet 5.1cm Height of aluminum plastic packet...

    Accuracy and precision, Density, Experiment 1482  Words | 7  Pages

  • Chemistry Lab

     Physical and Chemical Change Objective: Recognize and distinguish between chemical and physical changes. Materials: - lab balance - microspatula - lab burner - dropper pipet - 5 test tubes - mortar and pestle - test tube rack - magnet - test tube holder - insulating pad - watch glass - safety goggles - glass square - lab apron or coat - copper sulfate pentahydrate - iron fillings - sodium chloride - magnesium ribbon - hydrochloric acid - paper...

    Chemical compound, Chemical substance, Chlorine 971  Words | 4  Pages

  • Chemistry In our Daily Life

     Chemistry In Our Daily Life Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat, the air you breathe, your soap, your emotions and literally every object you can see or touch. We live in a world of matter. From the food that sustains our lives to various objects that have built up our physical culture, everything is made up of matter. The human body itself is a mixture of matter of differing types. The humans...

    Atom, Carbon, Chemical compound 914  Words | 4  Pages

  • Chemistry Lab 4-4

    sample of NaCl in water and then measure the boiling point elevation for the solution. 1. Start Virtual ChemLab and select Boiling Point Elevation from the list of assignments. The lab will open in the Calorimetry laboratory with a calorimeter on the lab bench and a sample of sodium chloride (NaCl) on the balance. 2. Record the mass of the sodium chloride in the data table. If it is too small to read, click on the Balance area to zoom in, record the reading, and then return to the laboratory...

    Density, Gas, Gas laws 1627  Words | 5  Pages

  • Chemistry Shot Lab

    Honors Chemistry Period 2 September 22, 2013 PRE-LAB Title: Density of Metals – Shot Lab Purpose: The purpose of this lab is to find out the density of different metals using their mass and volume. If the volume and mass for the metals Nickel and Copper are found, then we can figure out the density. Materials: Metal shot Plastic rinse bin Electric Balances Calculator Graduated Cylinders Water Wire Gauze Weigh Boats Pre-lab Questions: 1) The volume of the water is 43.0 mL ...

    Copper, Density, Kilogram 592  Words | 4  Pages

  • Chemistry Lab

    was close to Cu(C2H3O2)2 •H2O which has a percent copper of 31.8% and a molecular weight of 199.654mw. Introduction: What is the unknown compound and its percent of copper? In this experiment the unknown that is given must be identified. In order to do so the percent mass of copper in compound must be determined. The molecular mass of the compound will be determined from the percent mass that was found from the copper in the compound (Lab Manual Page One of Experiment 2). This experiment is...

    Atomic mass unit, Chemical element, Chemistry 1048  Words | 5  Pages

  • Chemistry Lab

    powdery * Zinc Sulfate- White and powdery * Boiling Chips- Tiny, grey and rock like Experimental Observations: Barium Iodide used- .63g Zinc Sulfate used- .45g Boling Tube with 2 boiling chips- 41.52g Barium Iodide in solution with 2 mL of deionized water looks cloudy. Zinc Sulfate in solution with 2 mL of deionized water is clear. Barium Iodide solution mixed with Zinc Sulfate solution turns milky white. After first centrifugation, solution separates into Barium Sulfate precipitate and...

    Barium sulfate, Boiling tube, Nucleation 945  Words | 4  Pages

  • Lab #2

    32 LAB #2 | Perform a Vulnerability Assessment Scan Using Nessus LAB #2 – ASSESSMENT WORKSHEET Perform a Vulnerability Assessment Scan Using Nessus Course Name and Number: Student Name: Instructor Name: Lab Due Date: Overview This lab demonstrated the first three steps in the hacking process that is typically performed when conducting ethical hacking or penetration testing. The first step in the hacking process is to perform an IP host discovery and port/services scan (Step 1: Reconnaissance...

    Computer security, Operating system, Performance 402  Words | 3  Pages

  • Chemistry Life

    Teaching AS Chemistry Practical Skills w w w e tr .X Appendix 2 m eP 3. How much iron is there in an iron tablet? – Student Sheet In this practical you will have the opportunity to perform a quantitative analysis using the technique of titration. You are going to analyse an iron tablet to find out how much iron is actually present in it. Titrations involving potassium manganate(VII) may form part of your Practical Assessment. Intended lesson outcomes By the end of this practical you...

    Erlenmeyer flask, Iron, Iron supplements 1815  Words | 6  Pages

  • Lab 2

    Lab 2: Protiens and Starches Purpose: An introduction to testing procedures for two large, organic molecules: proteins and starches. Hypothesis: In the test for protiens the water, being that it is inorganic will not test positive for protiens; it will serve as the negative control. The milk and 50% egg solution should test positive for protien as they are subsatnce derived from animals which contain protiens in order to carry the functions of life. The sucrose will test negative due...

    Carbohydrate, Cooking, Egg white 559  Words | 3  Pages

  • Lab 2

     Macromolecules of Life Hands-On Labs, Inc. Version 42-0085-00-01 Lab Report Assistant ________________ Name: Akil Kelly Exercise 1: Testing for Proteins Data Table 1: Biuret results. Substance Tested Predicted Results Biuret Color & Number of drops added 1: Egg white Contains Protein Purple color – 9 drops 2: Pepsin Contains Protein Purple color – 9 drops 3: Sugar Doesn't contain protein...

    Carbohydrate, Disaccharide, Experiment 1012  Words | 10  Pages

  • Importance of Chemistry in Daily Life

    Importance of chemistry in our daily life                Importance of chemistry in our daily life Everything is made of chemicals. Many of the changes we observe in the world around we see that caused by chemical reactions. Chemistry is very important because it helps us to know the composition, structure& changes of matter. All the matters are made up of chemistry. In our every day like various chemical are being used in various from, some of those are being used as food, some of those used...

    Agriculture, Atomic bombings of Hiroshima and Nagasaki, Chemical compound 951  Words | 4  Pages

  • Chemistry Lab Report

    Chemistry Lab Report   Jeffrey Kenneth Bangero             Introduction  Firstly we calculated the mass of the beaker and then we put the assigned grams of sodium carbonate and calcium chloride. Then we add 50 ml of distilled water to each substance, sodium carbonate dissolved faster than calcium carbonate. After we mixed both sodium carbonate and calcium chloride and they form a solid precipitate. Then we poured it a funnel with a filter paper to get the solid precipitate. Purpose  ● The purposed...

    Calcium, Filter paper, Laboratory glassware 590  Words | 3  Pages

  • Chemistry Lab

     Name: Marisa Malazzo Date: 7/17/14 Exp 1: Observations of Chemical Changes Lab Section: 76426 Data Tables: Part 1: Chemicals Well No. Observations of the Reaction A. NaHCO3 + HCl no color change, some small bubbles formed B. HCl + BTB changed a yellowish orange color, no bubbles or precipitation C. NH3 + BTB changed a blue color D. HCl + blue dye changed a green color E. Blue dye + NaOCl no chemical change, only blue color appeared with the 1 drop...

    Blue, Brown, Chemical reaction 746  Words | 4  Pages

  • Chemistry Beverage Lab Report

    Joanna Park Mrs. Carrillo CP chemistry per. 5 September 17, 2012 i. Beverage Density Lab Report ii. Purpose: The purpose of this experiment is to determine the percentage of sugar content in beverages. iii. Materials: Distilled water, beverages (juice, soda, sport drinks), Sugar reference solutions (0, 5, 15, ad 20%) 25ml each, Balance, centigram(0.01g precision), Beaker (100-mL), Erlenmeyer flask (125-mL to collect rinse solutions), Pipet(10-mL), Pipet bulb or pipet filler iv...

    Chemistry, Concentration, Density 1257  Words | 4  Pages

  • lab report chemistry matriculation experiment 5

    Lab report chemistry matriculation experiment 5 Example chemistry lab report matriculation experiment 4. Free ebook, pdf. Lab Session 5, Experiment 4 Chemical Nomenclature. Thursday, January 21, 2010 /. Introduction: The laboratory method used in the experiment is titration. Titration is a method usedin. Chemistry Lab Report on standardization of acid and bases. 34335 views. The flask is swirled to dissolve the KHP sample completely.5. The initial reading. (2011) Chemistry for Matriculation. Selangor...

    Chemistry, Creative writing, Essay 970  Words | 3  Pages

  • Chemistry Lab

    tetraamminecopper(II) cation is the principal copper species present in ammonia solution of concentration 0.01 to 5M. However, at lower concentrations of ammonia, other copper species having 3, 2 or 1 molecules of ammonia may be present. At higher concentrations of ammonia, a pentaamminecopper(II) cation, [Cu(NH3)5 H2O]2+ is formed also. In Figure 1, the dashed line, C, represents the absorption spectrum of 0.01M tetraamminecopper(II) cation in a solution of 1M ammonia. It is evident that the absorbance...

    Ammonia, Ammonium, Chemistry 1161  Words | 5  Pages

  • Lab 2

    LAB 2 1. Identify the functional group or molecule for each of the following. (3 points) a. Carboxyl group/acid, aldehyde group b. Hydroxyl group, alcohol group c. Hydroxyl group, alcohol group 2. List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict's test. (6 points) a. Corn syrup (1 point) Positive b. Table sugar (1 point) Positive c. Unknown 1 (1 point)Negative d. Unknown 2 (1 point)Negative e. Unknown 3 (1 point)Negative...

    Carbohydrate, Fructose, Glucose 941  Words | 3  Pages

  • Organic Chemistry Lab

    Measurement. Identifying a Component of "Panacetin." Introduction This laboratory experiment was a combination of two separate experiments as stated in the above title. The introduction has been split into 2 separate components to briefly give some background on each procedure. 1 This particular lab is set up with quite a different scenario then that of the last one. A roving agent for the ASP Corporation has recently Panacetin, which is an analgesic drug. The agent looked carefully at the bottle...

    Aspirin, Chemical compound, Chemical substance 1118  Words | 4  Pages

  • Chemistry lab report

     Department of Chemistry Extraction and Sublimation Experiment #4 10/02/13 Introduction Caffeine is a stimulant found in tea, coffee, cocoa, OTC medication, and cola drinks.It stimulates the brain and the central nervous system, so that a person feels less tired and more alert. The purpose of this lab is to determine the amount of caffeine in tea. The major component of tea is cellulose which is a polymer of glucose. Materials Lab coat Goggles Graduated cylinder 1 tea...

    Caffeine, Chemistry, Coca-Cola 556  Words | 3  Pages

  • Ib Chemistry Lab Format

    AP/IB Chemistry Internal Assessment Lab Format The following titles and subtitles (in bold) should be used for your lab report and given in this order within your lab report. Title: choose one to fit your experiment I. Design A. Problem – must be a focused, clear research question. B. Hypothesis (When appropriate) • Clear answer to Problem – • Logical rational • your conclusion should address the hypothesis you are giving here. C. Variables...

    Control, Experiment, Measurement 751  Words | 4  Pages

  • Chemistry Lab

    hO Page 3 Oxidation-Reduction Titration M aterials Buret, 50-mL Ring stand Erlenmeyer flasks, 250-mL, 3 Buret clamp Hot plate M Potassium permanganate, KMnO,, ~ 0 . 0 2 , 100 mL Thermometer Ferrous ammonium sulfate, Fe(NH4)2S04.6H20,.100 M, 50 m L 0 Volumetric pipet, 10-mL Oxalic acid solution, HzC204, 0 mL 6 Volumetric pipet, 25-mL Sulfuric acid, H2S04,6 M, 50 mL Beakers, 100-mL, 3 Manganese sulfate, MnS04.Hz0,1.0 M, 5 mL Graduated cylinder, 10-mL ...

    Erlenmeyer flask, Fleaker, Laboratory glassware 845  Words | 5  Pages

  • Lab 2

    Lab 2: Writing a Lab Report Variable | Hypothesized Effect | Cold Temperature (32 degrees) | The beans will not sprout | Warm Temperature (80 degrees) | The beans will sprout after a few days | Moisture | The beans will sprout after a few days | Dry | The beans will not sprout | Sunlight | The beans will sprout quickly | Light bulb | The beans will take a long time to sprout (weeks) | Soil | The beans will sprout after a few days | Soaked in water | The beans will not sprout | ...

    Bean, Embryo, Germination 742  Words | 3  Pages

  • Chemistry: Flame Test Lab

     Flame Test Lab Morgan Chemistry CP 5/30/14 Abstract- In the flame test lab, the flame test was performed to excite the electrons in the samples and observe the color of the flame. The flame emits a color because each element has an exactly defined emission spectrum, which one can use to identify them. For example, NaCl was highlighter yellow, Sr(NO3)2 was sun orange, CuCl2 was turquoise, LiCl was neon red, KCl was solar flare yellow, and BaCl2 was Voldemort green. Introduction- ...

    Calcium chloride, Color, Green 925  Words | 5  Pages

  • Chemistry Lab

    Metric Ruler|30|300| Data Table 2 – Temperature measurements Hot water from tap (44ºC )|Boiling water (70ºC)|Boiling water – 5 minutes (100ºC)| ]111.2 F|158 F|212 F| Cold water from tap (24ºC)|Ice water (5ºC)|Ice water – 5 minutes (0ºC)| 75.2 F|41 F|32 F| Data Table 3 – Mass measurements Object|Estimated Mass (g)|Actual Mass (g)| Pencil||5.8| 3 Quarters||17| 4 Dimes||9.1| 5 Pennies||12.5| Key||7.2| 2 Quarters 2 Dimes||15.9| 1 Quarter 2 Pennies 1 DIme||13| Data Table...

    Archimedes, Buoyancy, Density 431  Words | 3  Pages

  • Chemistry Lab Report

    chemistry lab report : reaction of alcohol CHEMISTRY LAB REPORT SK026 SEMESTER 2 SESSION 2011/2012 TITLE                 :REACTION OF ALCOHOL DATE                 : NAME                :  MATRIC NO      :  PARTNER          :  PRACTICUM     :  SUPERVISOR    :  Title            : Reaction Of Alcohol Objectives : 1. To classify alcohol 2. To study the chemical properties of alcohols Introduction: Alcohol is a class of organic compound containing hydroxyl group,     OH as the...

    Acetic acid, Alcohol, Carboxylic acid 1017  Words | 5  Pages

  • Chemistry Lab

    Copper (II) sulphate  Ammonium chloride  Zinc sulphate  Basic copper (II) carbonate, CuCO3. Cu(OH)2 Blue and red litmus and a splint METHOD: 1. About 1g of the solid was placed in a dry test tube and the test tube and its contents was heated in a burner, gently at first the strongly. During the heating the test tube was sloping slightly downwards. 2. Gases were tested and evolved with moist blue and red litmus and with a glowing splint 3. The results...

    Ammonia, Copper, Gas 408  Words | 3  Pages

  • Lab for Chemistry 221

    Lab for Chemistry 221 Lab: How much sugar is in a Can of Coke? Abstract: A 50mL (we used 100mL) volumetric flask was used to determine the amount of sugar in a can of Coke per mL in 5 different solutions. Using the calibration curve we determine the amount of sugar per mL in a can of coke. This experiment concluded that there is 43.83g of sugar in a 12oz can of Coke. Introduction: This experiment was conducted to determine the amount of sugar in a can of Coke and to and use a calibration...

    2G, Cassie, Chemistry 612  Words | 4  Pages

  • Lab 2

     GS104 Lab Report Experiment # 2 Data Collection David Case: January 23, 2015 Experiment #2 Data Collection Objectives: Exercise 1: Formulating a Hypothesis about pitching speed. To form a hypothesis for the pitching velocity of a ball. Use a spreadsheet and math to calculate the actual velocity and determine the accuracy of the hypothesis. I will also roll a large ball to measure its velocity and graph its horizontal motion. Materials:...

    Acceleration, Baseball, Experiment 742  Words | 7  Pages

  • Lab 2

    Taylor Durham Nutrition 101 Mr. Oropallo Lab Report #2: Fat Extraction From Food What is a triglyceride? Draw its structure. A molecule that contains three fatty acids attached at the oxygen atoms of glycerol. What are the differences between saturated and unsaturated fats? Drawn an example of each. If all bonds are single, the fatty acid molecule is saturated. If there is a double bond among the carbon atoms, the fatty acid molecule is unsaturated. What form does each of these fats take...

    Butter, Fat, Fatty acid 254  Words | 3  Pages

  • Bio 102 Lab Lab 2 Answer Form Blank Spring 2015

    UMUC Biology 102/103 Lab 2: The Chemistry of Life INSTRUCTIONS: To conduct your laboratory exercises, use the Laboratory Manual that is available in the “Content” section of the Leo classroom or at the eScience Labs Student Portal. Laboratory exercises on your CD are not be updated. On your own and without assistance, complete this Lab 2 Answer Form electronically and submit it via the Assignments Folder by the date listed on your Course Schedule (under Syllabus). Type your answers into the shaded...

    Acid, Chemistry, Enzyme 1168  Words | 6  Pages

  • Chem 101 Lab Report 2

    Experiment 3: Separation of the Components of a Mixture General Chemistry 101 (CHEM 101), ISP SCUHS Report 2 September 15, 2013 Abstract Mixtures are made up of substances or components. If the mixture is fairly uniform in composition, properties, and its overall appearance, it is homogenous. If the component parts are clearly separated, it is heterogeneous. In order to identify the components in a mixture, methods must be used to sort out the components. However, the same methods will not...

    Ammonia, Chemical substance, Chemistry 1624  Words | 6  Pages

  • Principles of Chemistry Lab

    CHEM 1211 L Principles of Chemistry Lab 16 February 2004 Lab Report 1 Introduction The purpose of this project is to identify an unknown organic acid (X) by conducting various experiments to determine the acid’s unique properties. By determining selected constant properties of the unknown and then comparing these properties to the constant properties of known substances, it is possible to identify an unknown substance. The properties used to identify the unknown must be intensive, or independent...

    Acid, Chemistry, Chlorine 1577  Words | 5  Pages

  • Chemistry and Life

    brick, or a metal zip do not require any extra elements to hold shape or produce energy and they cannot reproduce. When exploring living organisms such as humans, the elements carbon, hydrogen, nitrogen and oxygen are the base essentials to sustain life. Carbon and hydrogen are found in almost every molecule of the body, nitrogen is part of the bodies’ range of proteins, and oxygen is required for respiration and energy production. While there are 22 other elements found in the body such as potassium...

    Atom, Carbohydrate, Carbon 1075  Words | 3  Pages

  • Chemistry

    Chemistry (the etymology of the word has been much disputed)[1] is the science of matter and the changes it undergoes. The science of matter is also addressed by physics, but while physics takes a more general and fundamental approach, chemistry is more specialized, being concerned with the composition, behavior (or reaction), structure, and properties of matter, as well as the changes it undergoes during chemical reactions.[2] It is a physical science which studies various substances, atoms, molecules...

    Analytical chemistry, Chemical substance, Chemistry 870  Words | 4  Pages

  • Lab 2

    nutrients when replenishing glycogen store? The project that I am conducting is concerning the impact of the consumption of chocolate milk and its effects on protein turnover, muscle glycogen and performance during recovery from endurance exercise (2). The research regarding this material is relevant because it can possibly affect the way individuals replenish their glycogen stores following exercise to further improve their performance and over all fitness. Physiological Area Exercise...

    Carbohydrate, Glucose, Glycogen 588  Words | 3  Pages

  • Chemistry

    Importance of chemistry : 1. Chemistry can improve the conditions of human life and even save lives. 2. Provides deeper knowledge. 3. * Plastics that are as strong as metals but light weight. * Personal care and household products * Polymers or various sizes and shapes * Metal alloys * Drugs from various ailment CONTRIBUTION OF CHEMISTRY : 1. Food and agriculture 2. energy production 3 . environment preservation 4 . education 5 . clothing 6. colors and...

    Antoine Lavoisier, Atom, Chemistry 404  Words | 3  Pages

  • Lab 2 Chemistry

    BSC 2086C: Anatomy and Physiology I Lab 2: The Chemistry of Life Name __Sherilyn Nazareno__ Directions: There are eight (8) activities in this lab. Please be sure to complete them all. For all questions, type your answers into the yellow box ____ (including your name above) it will expand as you write. Activity 1 1-1: Insert the chemical symbol in the answer blank for each of the following elements. __O__ 1. oxygen __C__ 2. carbon __K__ 3. potassium __I__ 4. iodine __H__...

    Acid, Atom, Carbon dioxide 1143  Words | 8  Pages

  • Chemistry in Daily Life

    Introduction Chemistry: Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. [pic] Daily Life: All the things that happen or that you do regularly. Chemistry in Daily Life: Chemistry is a big part of our everyday life. We find chemistry in daily life in the foods we eat, the air we breathe, our soap, our emotions and literally every object we can see or touch. Here's a look at some everyday chemistry. [pic] Actually, we found...

    Chemistry, Fatty acid, Food additive 826  Words | 4  Pages

  • Bio - the Chemistry of Life - Ch. 2 Review

    2-1 The Nature of Matter ◾Living things are made from chemical compounds ◾Atom – basic unit of matter > Democritus: unable to cut ◾Atoms contains subatomic particles that are even smaller {*Protons: Positively charges} About the same mass >form the nucleus >center of the atom {*Neutrons: carry no charge} * Electrons: negatively charges particles >Are in constant motion in the space surrounding the nucleus > Remain outside the nucleus because of the...

    Atom, Chemical bond, Chemical element 1580  Words | 7  Pages

  • lab 2

    flow towards the cooler end. This will make a gradual increase of temperature at the cooler end until an equilibrium temperature is established. Usually, the changes that occur within the bar is not instantaneous and will be different at both end. 2. Radial conduction heat transfer Fluid motion that resulted by force over the surface by an external source, such as fans or pumps. Small movement of air is generated which limits the heat transfer rate from the hotter surface to the surrounding air...

    Fluid dynamics, Fluid mechanics, Fundamental physics concepts 1105  Words | 6  Pages

  • The Importance of Chemistry in Daily Life 

     What does chemistry do to help us and how important is it? To go about answering these questions, we must find out where in our daily activities, chemistry is involved and how it benefits us. Without realising, chemistry is used in all part of our lives and some of its features are more recognised by specific user groups, for example a kid wouldn't be interested in how chemistry makes their fathers shaving foam more lubricant. I believe looking at the problem from this perspective would...

    Chemical compound, Chemical element, Chemical reaction 1561  Words | 4  Pages

  • Chemistry Sy

    Chemistry 101 General Chemistry Fall 2013 –Syllabus S. Bakshandeh Office Hours: MW, 12:00–12:35 pm & T; 1:40-2:15 pm Room 92032 and/or Lab 92011. Email: sbakshandeh@yahoo.com – The best way to reach me is by email. Please indicate your full name and section number in the “Subject/Re” box. I will not open emails without proper identification. Blurb: Welcome to your first course in college chemistry. In this course, we will be exploring laws, theories, and principles of chemistry as related...

    Atom, Bankruptcy in the United States, Chemical reaction 323  Words | 3  Pages

  • CHM130 Lab 2

    CHM130 Lab 2 Measurements: Accuracy and Precision   A. Data Tables (36 points) Place your completed data tables into your report here: Data Table 1 Measurement Data Length of aluminum plastic packet  5 cm Height of aluminum plastic packet  6.5 cm Temperature of faucet water 23°C Temperature of ice water  11°C Volume of water in 10-mL  graduated cylinder  10 ML Volume of water in 50-mL  graduated cylinder  10 ML   Data Table 2 Measurement Data Inside diameter of 50-mL  graduated cylinder  2.5 cm...

    Atlantic Ocean, Density, Height 1057  Words | 5  Pages

  • Hydrate Lab Report for Chemistry Lab

    original state and the percent of the hydrate recovered was calculated by using the mass of the rehydrated sample by the mass of the original hydrate and then multiplied by 100%. Data Presentation & Analysis Table 1: The data was collected from the lab experiment. Sample calculations are shown. Mass of beaker with sample 30.765g Mass of empty beaker 30.263g Mass of sample .502g Mass of beaker with sample after 1st heat 30.661g Mass of beaker with sample after 2nd heat 30.657g Heating mass...

    Concentration, Dehydration, Heat 823  Words | 4  Pages

  • Chemistry

    CHEMISTRY III : (CHEMISTRY & YOU) 1 PRETEST 1. The science that tackles the study of matter, its structure and the changes in composition that matter undergoes is a. Astrology c. Ecology b. Chemistry d. Physics 2. When a chemist performs an experiment, the quantity that is being tested is the a. control c. theory b. law d. variable 3. Juan is comparing how many kilos of rice can be contained in a sack. What process is he doing? a. counting c. measurement b. interpolation...

    Antoine Lavoisier, Chemistry, Henry Cavendish 1459  Words | 5  Pages

  • Half Life Lab

    Half-Life of M&Ms Introduction Half-life is the time required for something to fall to half its initial value. The half-life of a radioactive element is the time it takes for half of its atoms to decay into something else. M&Ms were chosen because they all have the same m mark on the on one side. In this lab you will go through predicting and counting the number of remaining "mark-side up" candies that should help understand that rates of decay of unstable nuclei and how it can be measured;...

    Chemical element, Exponential decay, Half-life 666  Words | 3  Pages

  • Lab Three Biochemistry 2

    would do it if you were in a lab) Your answer should contain the following sections: Goal of the experiment Materials and Equipment Needed Procedure Data Conclusions ( you can use a table to tabulate your procedure, data, and conclusions) Question 2 Create a similar experiment to indicate the presence or absence of carbohydrates, specifically for starches and sugars. (You do not have to actually do this experiment, just tell me how you would do it if you were in a lab) You will need a different...

    Acid, Hydrochloric acid, Liquid 700  Words | 4  Pages

  • Week 2 Lab 1

    Purpose The purpose of this lab is to learn more about how connected you are to the ecosystems and biosphere that you inhabit. You will learn how your everyday choices contribute to the human impacts on our environment you’ve been learning about. Most importantly, you will learn about benefits that you can achieve by joining the increasing number of people who are making choices that reduce their environmental impact. Objectives The objectives of this lab are to: • Identify the products...

    Carbon dioxide, Ecological footprint, Ecology 1202  Words | 4  Pages

  • chemistry lab report, density

     DENISTY LAB 2/25/13 Chemistry H. Mrs. Halme Objective: Your task is to determine the density of 3 known metals: Zinc, Copper, and Lead. They are each marked. You must then calculate the density of an unknown metal and determine its identity based on your data from your known samples. Reagents: None Equipment: Lead Copper Zinc Triple Beam Balance Graduated cylinder Unknown metal (Magnesium) Beaker Calculator Procedures Preparation: We observed the given equipment...

    Calculator, Density, Division 1361  Words | 6  Pages

  • Chemistry Lab Paper

    Introduction and Theory: A two dimensional object is a figure that has both width and height. Today in physics a two dimensional lab was done to decide the distance of an ice cream cone shooter. To do this, the formula (d=Ví t + (1/2) at^2) has to be implemented. I decided to make my Y equal to one meter, so my calculations would be easy to get. I knew my acceleration for Y was -9.8, the velocity initial for Y was zero, and the time it will take for the ice cream to reach zero is .452. For X I know...

    Equals sign, Euclidean geometry, Geometry 976  Words | 3  Pages

  • Essay on-Chemistry in Our Life

    energy. Chemistry is defined as the study or science of this ever changing matter. Or chemistry is essentially the study of materials and the development of new materials for the betterment of humanity. We use chemistry from the beginning of the day till its end, the toothpaste we use to brush our teeth is made of abrasives, fluoride, and detergents. It is a very simple fact that chemistry plays an important role in every person’s daily activities from the moment we’re born. The role of chemistry usually...

    Chemical compound, Chemical element, Chemical reaction 1215  Words | 4  Pages

  • SCIN131 Lab Assignment 2

    Lesson 2 Lab: Weighing on an Analytical Balance & Distillation PART 1 Begin by viewing the following Thinkwell video 15.1.8  CIA Demonstration: Weighing on an Analytical Balance After you watch the above video, answer the questions below in sufficient detail: (a) (2 pts) What are the features of an electronic balance? Include all of those discussed in the video. Answer: There were two features of an electronic balance discussed in this video. First there is the electronic read out which makes...

    Accuracy and precision, Distillation, Ethanol 1433  Words | 5  Pages

  • Chemistry

    The Battle Between Absorbency: Clay and Charcoal Abstract Polycyclic Aromatic Hydrocarbons (PAHs) are extremely dangerous to human and aquatic life when presented in water. The removal of the PHAs are done by using absorbent material. In this experiment we tested Bentonite clay and charcoal by finding the absorbency of both. The results we came to is the clay is the better absorbent. Introduction Polycyclic Aromatic Hydrocarbons (PAHs) are 16 different pollutants together. Eight of these...

    175, Absorption, Digestion 995  Words | 6  Pages

  • Ochem Lab Report 2

    Abstract: For the first part of this lab we refluxed different Carboxylic acids and alcohols in the presence of a acid catalyst in order to form Esters by Fischer Esterification. These Esters had different pleasant smells that we then evaluated. In the second part of the experiment, we broke the ester bonds of a triglyceride in order to form glycerol and carboxylate salts. This process is known as Saponification because it produces amphiphilic molecules that allow soap to remove dirt from the surface...

    Carboxylic acid, Ester, Fatty acid 1675  Words | 5  Pages

  • Lab 2 & Lab 3

    125 to binary. Use the division by 2 method. 125 /2 is 62 remainder 1 (LSB) 62 /2 is 31 remainder 0 31 /2 is 15 remainder 1 15 /2 is 7 remainder 1 7 /2 is 3 remainder 1 3 /2 is 1 remainder 1 1 /2 is 0 remainder 1 (MSB) • Reading from MSB to LSB is 1111101 2) Convert your binary result back into decimal to proove your answer is correct. 1111101 Weights: 64 32 16 8 4 2 1 Bits: 1 1 1 1 1 0 1 64+32+16+8+4+1=125 Task 2) Procedure 1) Convert the binary...

    Binary numeral system, Computer, Decimal 290  Words | 4  Pages

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