State the Clausius statement of the second law of thermodynamics.
(N/A) The Clausius statement of the second law of thermodynamics states that it is impossible to construct a device operating in a cycle that produces no effect other than the transfer of heat from a body at a lower temperature to a body at a higher temperature without the input of external work.
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Find the change in the entropy in the following process: $100 \, g$ of ice at $0^{\circ}C$ melts when dropped in a bucket of water at $50^{\circ}C$. (Assume the temperature of the water does not change). The result is in $cal/K$.
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View SolutionCan the whole of heat be converted into work?
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View Solution$N_{2}$ gas is heated from $300\, K$ to $600\, K$ through an isobaric process. Find the change in entropy of the gas. $(n = 1\, \text{mole})$ (in $J/K$)
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View Solution$Assertion :$ In an isolated system,the entropy increases.
$Reason :$ The processes in an isolated system are adiabatic.
$Reason :$ The processes in an isolated system are adiabatic.
During phase change,entropy
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