A Gas expands and does PV work on its surroundings equal to 334 J. At the same time, it absorbs 126J of heat from the surroundings.?

👨🏻‍🏫 學術台化學

[匿名]

2019-02-25 1:39 am

Calculate the change in energy of the gas. Show your work in scientific notation. Please show me how to do this!

回答 (1)

胡雪8°

2019-02-25 1:44 am

The change in energy of the gas
= (Heat absorbed from the surroundings) - (Work done on its surroundings)
= (126 J) - (334 J)
= -208 J

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