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## A gas expands from an initial volume of 3.4 L to a final volume of 5.2 L against a constant pressure of 1.30 atm. During the expansion, the gas releases 34 J of heat. Calculate the change in internal

#### Question Preview:

A gas expands from an initial volume of 3.4 L to a final volume of 5.2 L against a constant pressure of 1.30 atm. During the expansion, the gas releases 34 J of heat. Calculate the change in internal energy and in enthalpy. How would I solve this problem and what would be the answers?...

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#### Question Preview:

A gas expands from an initial volume of 3.4 L to a final volume of 5.2 L against a constant pressure of 1.30 atm. During the expansion, the gas releases 34 J of heat. Calculate the change in internal energy and in enthalpy. How would I solve this problem and what would be the answers?

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## Solution Preview

The change in internal energy is -271.1J and change in enthalpy is -271.1J

Explanation:

Given ,

Heat,q = -34 J (since heat is released so q has negative sign)

Initial volume = 3.4 L

Final volume = 5.2 L

External pressure, P = 1.30 atm

ΔV = Final volume - Initial volume

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