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freckles freckles
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A system absorbs 21.6 kJ of heat while performing 6.9 kJ of work on the surroundings. If the initial internal energy, U, is 61.2 kJ, what is the final value of U?

▸ 32.7 kJ

▸ 46.5 kJ

▸ 61.2 kJ

▸ 75.9 kJ

▸ 89.7 kJ
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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moyo966moyo966
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