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3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is the change in internal energy of the system? 4. In a particular process, the internal energy of a system increases by 41.4 J and the quantity of work the system does on its surroundings is 81.2 J. a. Is heat absorbed or released by the system?

3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is the change in internal energy of the system? 4. In a particular process, the internal energy of a system increases by 41.4 J and the quantity of work the system does on its surroundings is 81.2 J. a. Is heat absorbed or released by the system?

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 57QAP: Consider the following reaction in a vessel with a movable piston. R(g)+T(g)X(g)As the reaction...
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Answer number 3 and 4 pls.

3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is the change in internal energy of the system? 4. In a particular process, the internal energy of a system increases by 41.4 J and the quantity of work the system does on its surroundings is 81.2 J. a. Is heat absorbed or released by the system? b. What is the value of q?
Transcribed Image Text:3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is the change in internal energy of the system? 4. In a particular process, the internal energy of a system increases by 41.4 J and the quantity of work the system does on its surroundings is 81.2 J. a. Is heat absorbed or released by the system? b. What is the value of q?
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