contestada

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 :

The change in the internal energy of the system is 27 joules

From the question given above, the following data were obtained:

  • Heat absorbed (Q) = 52 J
  • Work (W) = –25 J (since work is done by the system)
  • Change in internal energy (ΔU) =?

The change in the internal energy of the system can be obtained as follow:

ΔU = Q + W

ΔU = 52 + (–25)

ΔU = 52 – 25

ΔU = 27 J

Therefore, the change in the internal energy of the system is 27 J

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Answer:

27 J

Explanation: