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MHT CET202123 Sep 2021Evening ShiftChemistryThermodynamics (C)Actual

A system does 394 ~J of work on surrounding by absorbing 701 ~J heat. What is the change in internal energy of the system?

Options

  1. A547 ~J
  2. B1095 ~J
  3. C307 ~J
  4. D394 ~J

Correct answer

C. 307 ~J

Step-by-step solution

W =-394 ~J work done by system (-) ve q =+701 ~J Heat absorbed by system (+) ve From First law of thermodynamics. aligned & U = q + W & =701-394 & =307 ~J aligned

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