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Select all the true statements: re cion 26.1 a. The change in energy for both processes is the same b. Both processes take the same amount of gasoline c. Both processes take the same amount of work d. Both processes produce the same amount of heat 3. What is the change in internal energy of a system that has 275 kcal of work done to it and it releases 526 kJ of heat to its surroundings? 4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimes, absorbing 884 kJ of heat from the surroundings. a. Is this reaction endothermic or exothermic? b. Calculate AH for this reaction.

Select all the true statements: re cion 26.1 a. The change in energy for both processes is the same b. Both processes take the same amount of gasoline c. Both processes take the same amount of work d. Both processes produce the same amount of heat 3. What is the change in internal energy of a system that has 275 kcal of work done to it and it releases 526 kJ of heat to its surroundings? 4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimes, absorbing 884 kJ of heat from the surroundings. a. Is this reaction endothermic or exothermic? b. Calculate AH for this reaction.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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What is the change in internal energy of a system that has 275 kcal of work done to it and it releases 526 kJ of heat to its surroundings? 

Select all the true statements: re cion 26.1 a. The change in energy for both processes is the same b. Both processes take the same amount of gasoline c. Both processes take the same amount of work d. Both processes produce the same amount of heat 3. What is the change in internal energy of a system that has 275 kcal of work done to it and it releases 526 kJ of heat to its surroundings? 4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimes, absorbing 884 kJ of heat from the surroundings. a. Is this reaction endothermic or exothermic? b. Calculate AH for this reaction.
Transcribed Image Text:Select all the true statements: re cion 26.1 a. The change in energy for both processes is the same b. Both processes take the same amount of gasoline c. Both processes take the same amount of work d. Both processes produce the same amount of heat 3. What is the change in internal energy of a system that has 275 kcal of work done to it and it releases 526 kJ of heat to its surroundings? 4. An evaporating dish containing solid iodine is left uncovered on a lab bench. The iodine sublimes, absorbing 884 kJ of heat from the surroundings. a. Is this reaction endothermic or exothermic? b. Calculate AH for this reaction.
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