At constant pressure P the volume of a gas increases from V1 to V2 when ‘Q’ amount of heat is removed from the system. What will happen to internal energy?

Increase by some unknown amount

Remain the same if Q = P(V1 – V2)

Decrease by an amount P(V2 – V1) – Q

Decrease by an amount Q + P(V2 – V1)

Increase by some unknown amount

At constant pressure P the volume of a gas increases from V1 to V2 wh

1.	At constant pressure P the volume of a gas increases from V1 to V2 when ‘Q’ amount of heat is removed from the system. What will happen to internal energy?
A.	Remain the same if Q = P(V1 – V2)
B.	Decrease by an amount P(V2 – V1) – Q
C.	Decrease by an amount Q + P(V2 – V1)
D.	Increase by some unknown amount
Answer» D. Increase by some unknown amount

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At constant pressure P the volume of a gas increases from V1 to V2 when ‘Q’ amount of heat is removed from the system. What will happen to internal energy?

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