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MHT CET202020 Oct 2020Evening ShiftChemistryThermodynamics (C)Actual

2 5 ~kJ of work is done on the system and it releases 1500 ~J of heat. What is the change in internal energy?

Options

  1. A1000 ~J
  2. B4000 ~J
  3. C2500 ~J
  4. D1500 ~J

Correct answer

A. 1000 ~J

Step-by-step solution

U=q+w = -1500 + 2500 = 1000 ~J

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