Practice Quiz 1.2002

# Practice Quiz 1.2002 - Quiz 1 INSTRUCTIONS Test Form A Use...

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Quiz 1 Test Form A January 23, 2002 INSTRUCTIONS: Use a soft, #2 pencil. Your marks must be dark to be counted correctly. Bubble in Form A on your Scantron Form Write your perm number and bubble in your perm number . Correct perm = 2 points! Each question is worth 3 points, you will not lose more than 3 points for incorrect answers. You may work out the problems and write your answers on this quiz. Turn in the Scantron form only . Keep the quiz so you can check your work and your answers later. ANSWERS ARE AT THE END OF THE QUIZ 1. For the following reaction, H = – 198.2 kJ. 2 SO 2 (g) + O 2 (g) —> 2 SO 3 (g) Calculate H when 25.0 g of SO 2 reacts with excess O 2 . The molar mass of SO 2 is 64 g/mol. a) – 38.7 kJ b) – 155 kJ c) – 77.3 kJ d) – 198.2 kJ e) none of these 2. The combustion of methanol takes place according to the reaction: 2 CH 3 OH ( l ) + 3 O 2 (g) —> 2 CO 2 (g) + 4 H 2 O ( l ) Using the following data, calculate H o for this reaction.

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Practice Quiz 1.2002 - Quiz 1 INSTRUCTIONS Test Form A Use...

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