A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following...

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A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following...

A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following figure. When the gas undergoes a particular chemical reaction, it absorbs 822 J of heat from its surroundings and has 0.69 kJ of P−V work done on it by its surroundings.

What is the value of ΔE for this process?

Express your answer with the appropriate units.

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Answer 1

Answer #1

heat absorbed from surrounding = 822 J Dq = +0225 = .822 kJ work done on the system w= .69 kJ = .69 X 1000 J = 690 mo J Inter

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Answer 2

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