Question

A hot body with constant heat capacity 800 //K at temperature 925 K is dropped gently into a vessel containing 1 kg of water at temperature 300 K and the combined system is allowed to reach equilibrium. The change in the total entropy $\bigtriangleup S$ is _____________ J/K (Round off to 1 decimal place).
[Take the specific heat capacity of water to be 4200 J/kg K. Neglect any loss of heat to the vessel and air and change in the volume of water.]

Answer 1

The correct answer is :537.5 to 537.7 or 549.8 to 550.2 (approx)