Q.

A system undergoes a process which absorbs 500 J of heat and undergoes an expansion against external pressure of 1 atm, during the process change in internal energy is 300 J. Then, predict the change in volume (1 L-atm=100 J)

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a

1 L

b

3 L

c

2 L

d

4 L

answer is B.

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Detailed Solution

ΔU=q+w=qPe0V2V1300=5001(ΔV)X100ΔV=500300100=2L

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A system undergoes a process which absorbs 500 J of heat and undergoes an expansion against external pressure of 1 atm, during the process change in internal energy is 300 J. Then, predict the change in volume (1 L-atm=100 J)