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Week 3 Quiz There are 6 multiple choice and two short answer questions. Each question is worth 5 points. To answer multiple choice questions, highlight the right answer. To answer the short answer ... questions, show your work and calculations. DO NOT CHANGE THE FORMAT OF THE QUIZ PLEASE. 1. (TCO 5) Which coefficient is placed in front of O2 to complete the balancing of the following equation? C5H8 + ? O2 --> 5 CO2 + 4 H2O 1 3 5 6 7 2. TCO 5) Which should be the coefficient of hydrogen, H2, in the following equation in order to make it balanced? 2 Al + 3 H2SO4 ---> Al2(SO4)3 + ? H2 5 1 4 2 3 3. (TCO 5) A reaction that releases energy as it occurs is classified as a(n) _____. catalyzed reaction exothermic reaction decomposition reaction endothermic reaction oxidation-reduction reaction [Show More]

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