Physical and Chemical Reactions Lab #4 Alesa Cannon Objective: To investigate the physical and chemical properties of a pure chemical substance. Procedure: 1. Half-fill one well of a 24-well plate with 6 M HCl and half-fill a second well of the 24-well plate with 6 M NaOH. Suck up these chemicals into their labeled pipets for later use. 2. Perform the following steps on each of the substances to be tested. Complete all tests of one substance and record your observations before proceeding
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Name: Date: Study/answer the following questions in order to prepare for your test Answer true/false for the following: Pollen can be carried by wind‚ animals‚ or water. Animal-pollinated plants have fragrant or showy flowers to attract the animals. Fungi‚ such as mold‚ Baker’s yeast‚ and mushrooms produce almost no spores. When environmental conditions are harsh‚ some bacteria form thick-walled‚ resistant spores‚ called ectospores The hard outer layer‚ or shell‚ of a pollen grain or
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Identifying Physical and Chemical Changes Nelson Science Perspectives 10 section 5.2 Amazing Student September 17‚ 2012 Mrs. Volkmann SNC 2D Purpose: To collect evidence and then use it to identify physical and chemical changes. Hypothesis: I predict the following: Change 1 will be a chemical change Change 2 will be a chemical change Change 3 will be a physical change Change 4 will be a chemical change Change 5 will be a chemical change Change 6 will be a physical change Materials:
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M09_ZAO2177_01_SE_CH09.QXD 3/4/11 2:08 AM Page 143 R E V I E W S H E E T EXERCISE NAME ________________________________ LAB TIME/DATE _______________________ A C T I V I T Y 1 9 Renal System Physiology The Effect of Arteriole Radius on Glomerular Filtration 1. What are two primary functions of the kidney? ____________________________________________________________ __________________________________________________________________________________________________ 2. What are the components
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you observer any chemical changes in this experiment? Yes. CuCo2 turned green when I applied heat to it. B. What evidence did you use to decide that something was a chemical change? I viewed my other test tubes to see if it there was a chemical change in those. C. Give at least two examples of chemical changes you observed. Zn and MgO when I Diluted HCL D. Classify the following properties of sodium metal as physical or chemical: • Silver metallic color: Physical • Turns gray in
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classical music by her father‚ at the very young age of four (Lata Mangeshkar Unforgettable Lata‚ n.d). She also studied with Aman Ali Khan Sahib and later Amanat Khan (Ibid.). Her God-given musical talents meant that she could master the vocal exercises effortlessly on first pass and from early on she was recognized as being highly gifted musically. In Lata’s words "her father told her mother that she is going to be a miracle after he studied her stars" (Kumar‚ n.d). She most definitely has become
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Review Sheet Exercise 11 Blood Analysis NAME LAB DATE/TIME Hematocrit Determination The following questions refer to Activity 1: Hematocrit Determination. 1. List the following values from Chart 1: Hematocrit value for healthy male living at sea level in Boston = 48 Hematocrit value for healthy female living at sea level in Boston = 44 2. Were the values listed in question 1 within normal range? YES 3. Describe the difference between the male and the female hematocrit
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Carbohydrate Digestion • Tube 1 Digestion Lab – 3 ml water • Tube 2 – 3 ml 0.2% amylase • Tube 3 – 3 ml 0.2% amylase + 10 drops of 1.0M HCl • Tube 4 1 2 4 3 – 3 ml 0.2% amylase – place in hot water bath for 5 min Experiment #1: Carbohydrate Digestion • Add 5.0 ml starch solution to each tube • Incubate in 37°C bath for 1.5 hr • Divide contents of each tube evenly into 2 tubes – Lugol’s Test – Benedict’s Test Experiment #1: Carbohydrate Digestion • Lugol’s
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REVIEW SHEET EXERCISE 12 Serological Testing NAME: LAB TIME/DATE: Positive and Negative Controls 1. Why are there a number of washing steps in serological tests? They are needed in order to remove any non specific binding that may happen. 2. Describe how you would know that you had a “false positive” result. What does this mean for the rest of your results? If it has a negative control then it’s a false positive so the results are invalidated. 3. Describe how you would
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MIS 200 Final Exam Review Spring 2012 Exam format MCQ: 50 Marks (25 MCQ: 2 Mark Each) Short Answer Questions: 50 marks Pre – Mid Term 1. Determining industry structure 2. Formation of competitive strategy and performing value chain analysis 3. How do value chains determine business processes and information systems? 4. Drawing Business Process Models 5. What is business process re-engineering‚ why is it critical to an organization? 6. Different phases in SDLC
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