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MHT CET202015 Oct 2020Evening ShiftChemistryThermodynamics (C)Actual

When a system absorbs 8 ~kJ of heat and does 2 2 ~kJ of work on surrounding calculate the internal energy change?

Options

  1. A-10 2 ~kJ
  2. B10 8 ~kJ
  3. C8 0 ~kJ
  4. D5 8 ~kJ

Correct answer

D. 5 8 ~kJ

Step-by-step solution

Q =+8 ~kJ , ~W =-2.2 ~kJ U = Q + W =8-2.2=5.8 ~kJ

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