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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?

...

View complete question »

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?

View less »

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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