580308_Enginering a better Air Bag_Q(1).docx

580308_Enginering a better Air Bag_Q(1).docx - Engineering...

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1 ©2014, Carolina Biological Supply Company Engineering a Better Airbag: A Stoichiometry and Gas Laws Investigation Pre-laboratory Questions 1. What does the term stoichiometry mean for a balanced chemical equation? Stoichiometry is the quantitative study of a chemical reaction and is based upon the coefficients of a balanced chemical equation. 2. What is the Ideal Gas Law? The Ideal Gas Law shows the relationship of all four variables for gases in one equation. 3. Write a balanced equation for the reaction that fills an automobile air bag. 2NaN3(s) 2Na(s) + 3N2(g) 4. Explain how an air bag deploys when an impact of 10–15 miles per hour is detected. There is a sensor that can detect the impact. The air bag inflates on impact by a chemical reaction, carbon dioxide (gas), that fills up in the bag, and then once busted the gas is expelled,
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2 ©2014, Carolina Biological Supply Company Engineering a Better Airbag: A Stoichiometry and Gas Laws Investigation Laboratory Questions 1.
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