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NEET2011PhysicsThermodynamicsActual

When 1 ~kg of ice at 0^ C melts to water at 0^ C , the resulting change in its entropy, taking latent heat of ice to be 80 cal / ^ C , is

Options

  1. A8 10^4 cal / K
  2. B80 cal / K
  3. C293 cal / K
  4. D273 cal / K

Correct answer

C. 293 cal / K

Step-by-step solution

Change in entroy S= m l 273 ~T = 1000 80 273 =293 cal K ⁻¹

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