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Homework 3_ Ideal gases - ekarika(ufe56 Homework 3 Ideal...

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ekarika (ufe56) – Homework 3: Ideal gases – Shear – (52375) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. You may need to look up conversion factors and values of R in the back of your textbook. 001 (part 1 of 3) 10.0 points Methanol (CH 3 OH) is the simplest of the al- cohols. It is synthesized by the reaction of hydrogen and carbon monoxide: CO(g) + 2 H 2 (g) -→ CH 3 OH If 472 mol of CO and 744 mol of H 2 are present, which is the limiting reactant? 1. CO 2. H 2 002 (part 2 of 3) 10.0 points How much of the excess reactant remains un- changed? Answer in units of mol. 003 (part 3 of 3) 10.0 points How much CH 3 OH is formed? Answer in units of mol. 004 10.0 points Helium is used to inflate football-shaped bal- loons that will be released in Memorial sta- dium for the opening game of the football season. One 2.00 liter balloon pressurized to 2.00 atm will float nicely on a hot day (35.0 C). Unfortunately, a cold front moves
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