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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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freckles freckles
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3 months ago
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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freckles Author
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3 months ago
this is exactly what I needed
zsc999
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Yesterday
Thanks for your help!!
jamesbove
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2 hours ago
Brilliant ツ
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