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A system absorbs 52 joules of heat and does work using 25 joules of energy. What is the change in the internal energy of the system? 25 joules 27 joules 52 joules 77 joules.

Respuesta :

pstnonsonjoku

The internal energy of the system is 27 joules.

From the first law of thermodynamics, we can write;

U = q + w

Where;

U = internal energy

q = heat

w = work

Since the system absorbs heat, q is positive. The system does work so w is negative.

Hence;

U = 52 J - 25 J

U = 27 joules

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Answer:

b) 27 joules

Explanation:

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