Question

25 kJ of work is done on the
system and it releases 10 kJ of
heat. What is delta U?​

Answer 1

Answer:

your answer is in the image...

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Answer 2

Answer:

The value of ∆U is + 15 kJ.

Explanation:

Explanation:∆U =q+w.

• Explanation:∆U =q+w. q is the heat transferred between a system and its surroundings,
• Explanation:∆U =q+w. q is the heat transferred between a system and its surroundings, and ∆U is the overall change in internal energy of a system.
• Explanation:∆U =q+w. q is the heat transferred between a system and its surroundings, and ∆U is the overall change in internal energy of a system. w refers to the work performed by or on the system.

Given :

• Total work done :W = 25 kJ;
• Release of energy Q= -10 kJ

Formula to calculate ∆U :

∆U = Q + W

Substituting the given values, we get :

∆U = -10 + 25

∆U = + 15 kJ

Therefore value of ∆U is + 15 kJ.

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