Thermodynamics Questions (NEET, JEE Main) – Test 3 2

The work done when two mole of an ideal gas is compressed from a volume of 5 m³ to 1 dm³ at 300 K, under a pressure of 100 kPa is [MH-CET 2014]

Assuming enthalpy of combustion of hydrogen at 273 K, –286 kJ and enthalpy of fusion of ice at the same temperature to be + 6.0 kJ, calculate enthalpy change during formation of 100 g of ice [MH-CET 2014]

The values of ΔH and ΔS of a certain reaction are – 400 kJ mol^–1 and –20 kJ mol^–1K^–1 respectively. The temperature below which the reaction is spontaneous is [WBJEEM 2014]

The enthalpy of vaporization of a certain liquid at its boiling point of 35ºC is 24.64 kJ mol^–1. The value of change in entropy for the process is [WBJEEM 2014]

The value of ΔH for cooling 2 mole of an ideal monoatomic gas from 225°C to 125°C at constant pressure will be given C_p = 5/2 R [WBJEEM 2014]