Thermodynamics Questions

4.48 L of an ideal gas at S.T.P requires 12 calories to raise its temperature by 15C° at constant volume. The CP of the gas in cal is :

Standard entropy of X2, Y2 and XY3 are 60, 40 and 50 J K–1 mol–1, respectively. For the reaction, X2 + Y2→XY3 △H = – 30 kJ, to be at equilibrium, the temperature(in K) will be

For the process H2O (l) (1 bar, 373 K) → H2O (g) (1 bar, 373 K), the correct set of thermodynamic parameters is

At 1 atm pressure, △Svap = 75 JK-1 mol-1 and △Hvap = 30 KJ mol-1 for a given reaction. The boiling point of reaction is

According to the diagram given below, the value of ∆H for conversion of A to B is

An ideal gas is taken around the cycle ABCA as:

Calculate the standard enthalpy change for a reaction CO2(g) + H2(g)→ CO(g) + H2O (g) given that ∆Hf0 for CO2(g), CO(g) and H2O(g) as -393.5, -110.5 and -241.8 KJ/mol respectively

Heat of reaction forC6H12O6 (s) + 6O2(g) →6CO2 (g) + 6H2O (g)at constant pressure is –651 Kcal at 17ºC. Calculate the heat of reaction at constant volume at 17ºC-

A gas absorbs 200J of heat and expands against the external pressure of 1.5 atm from a volume of 0.5 litre to 1.0 litre, Calculate the change in internal energy