Question

# Which of the following statements is correct? The internal energy of a system increases when more... Which of the following statements is correct? The internal energy of a system increases when more work is done by the system than heat was flowing into the system. The internal energy of a system decreases when work is done on the system and heat is flowing into the system. The system does work on the surroundings when an ideal gas expands against a constant external pressure. All statements are true. All statements are false.

(A) is correct

(B) is correct

(C) is correct

So all the given statements given are true.

Therefore option (D) is correct

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