properly. We should be able to observe changes when the gases are introduced to heat or fire. Experiment Test tubes will be used to single out gases from two forms of metals along with an acid and hydrogen peroxide. Baking soda‚ vinegar‚ alka seltzer‚ bromthymol blue and limewater will also be used to observe the properties of gases. Data Charts Page 2 LabPaq - Properties of gases General Chemistry Analysis Error and Trends When attempting to mix the Hydrogen and Oxygen
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Chemical Reactions and their Classifications 26 October 2012 Abstract: Ordinary laboratory ware was used to determine how many of what type of chemical reactions occurred. This yielded three decomposition reactions‚ four substitution reactions‚ and three metathesis reactions. Introduction There are many different types of chemical reactions in the study of chemistry; A composition reaction (also known as synthesis) is defined as the reaction that occurs when two single compounds combine in
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sting. Heartburn When we get heartburn we often feel a burning sensation in our chest. This is caused by a build of excess acid. To neutralise this we can take a variety of tablets and treatments to try and neutralise this including‚ * Alka-Seltzer – NaHCO3 and/or KHCO3 * Andrews Antacid – CaCO3 MgCO3 * Gaviscon – Al(OH)3 * Maalox (liquid) – Al(OH)3 and Mg(OH)2 * Maalox (tablet) – CaCO3 * Milk of Magnesia – Mg(OH)2 * Pepto-Bismol – C7H5BiO4 * Pepto-Bismol Children’s
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4. What are physical and chemical properties? Give an example of each. Physical properties describe an object can be its weight‚ size‚ color‚ volume‚ etc. Chemical properties describe how one substance reacts with another such as dropping an Alka-Seltzer tablet into water. 5. What do forensic scientists do to collect and preserve soil samples? Soil samples are collected within a 100 yard radius of certain spots. If dirt were to be found on the bottom of a shoe‚ then they will bring the entire
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dioxide. [1] c. Nitrogen dioxide is a secondary pollutant which can react further with oxygen and water in the atmosphere to produce nitric acid‚ one of the component of acid rain. [1] 8. The fizz produced when Alka-Seltzer tablet is dissolved in water is due to the reaction of sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7) 3NaHCO3(aq) + H3C6H5O7(aq) --> 3CO2 + 3H2O + Na3C6H5O7(aq) In a certain experiment‚ 5.00 g of sodium bicarbonate and 5.00 g of citric
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Procedure 5.2 -Test the ability of buffers Before Buffer After Buffer Water 4 Water 4 0.1M phosphate buffer 6.5 0.1M Phosphate buffer 6.9 0.1M NaCl 4 0.1M NaCl 4.8 Procedure 5.3 -Test effectiveness of antacids Alka seltzer 115 Antacids 90 (AVRG) Tums 80 (AVRG) Discussion: for procedure 5.1 all that was required was to use the ph strips and test all the liquids. there was various ways errors could occur in just this
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of gas off the fire? HYPOTHESIS There are different gases that can turn off the fire. MATERIAL 1. 1 Bottle of any carbonated beverage‚ unopened. 2. Matches. Baking soda (bought at the pharmacy). 3. 1 stomach effervescent antacid tablet (Sonrisal‚Alka-Seltzer‚ etc.).. 4. 1 bottle of mineral water‚ closed. INFORMATION The presence of a gas that extinguishes fire (carbon dioxide)‚ analyzing various sources of it. When you turn the match there is a phenomenon called combustion‚ chemical phenomenon which produces much energy as light
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France vs. America “Culture is little like dropping an Alka-Seltzer into a glass-you don’t see it‚ but somehow it does something.’’ Hans Magnus Enzensberger. American and French commercials are very different yet similar. The American commercials are very straight forward and succinct. On the other hand‚ the french commercials are very unique and modern. The Americans uses straight forward advertisements‚ when the french uses more poetic advertisments. The Americans and the French both use convincing
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EXPERIMENT ONE: ‘’The Scientific Method’’ Lab Report by Mitchell Eaton Biological Science Lab (BIOL 1001-029) February 24th‚ 2015 ABSTRACT: Purpose Statement: HYPOTHESES: Unknown Substance One: Unknown Substance Two: Unknown Substance Three: Unknown Substance Four: Unknown Substance Five: Unknown Substance Six: PROCEDURES: Materials Student Provides: Distilled Water 2 Clean Sheets of Paper 1 Paper Towel 1 Pair
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Allison Oneal Chemistry I June 20‚ 2013 Dr. Michael May Properties of Gases I. Abstract The purpose of this experiment is to examine the properties of several gasses‚ which were the products of a reaction‚ and examine the way the gasses react under certain conditions. These conditions‚ such as introducing a flame to the gas as well as oxygen and CO2‚ caused other reactions to occur. Experiment Before I began the experiment I gathered all my supplies from the given list in the lab manual.
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