Thermodynamics questions
1906 published questions with worked solutions.
- STATEMENT-1: For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. STATEMENT-2: At constant...
- A piston filled with 0.04 mol of an ideal gas expands reversibly from 50.0 mL to 375 mL at a constant temperature of 37.0ºC. As...
- A diatomic gas ( = 1.4) does 100 J of work when it is expanded isobarically. Then the heat given to the gas _____ J.
- Consider the following data: _fH^ ( methane, g ) = -X kJ mol^ -1 Enthalpy of sublimation of graphite = Y kJ mol^ -1 Dissociation...
- The volume of an ideal gas increases 8 times and temperature becomes (1/4)^ th of initial temperature during a reversible change....
- Match the LIST-I with LIST-II List-I (Thermodynamic Process): (A) Work done in reversible, isothermal expansion of 2 mol of ideal...
- A cup of water at 5^ (system) is placed in a microwave oven and the oven is turned on for one minute during which, the water...
- One mole of an ideal diatomic gas expands from volume V to 2V isothermally at a temperature 27^ C and does W joule of work. If...
- A liquid when kept inside a thermally insulated closed vessel at 25°C was mechanically stirred from outside. What will be the...
- Match List-I with List-II. List-I (Partial Derivatives): (A) ( G T )_P (B) ( H T )_P (C) ( G P )_T (D) ( U T )_V List-II...
- Consider the following cases of standard enthalpy of reaction ( H_f^o in kJ mol^ -1 ) C_2H_6(g) + 7 2 O_2(g) 2CO_2(g) + 3H_2O( )...
- Water of mass m gram is slowly heated to increase the temperature from T_1 to T_2. The change in entropy of the water, given...
- The effect of temperature on spontaneity of reactions are represented as: H | S | Temperature | Spontaneity (A) + | – | any T |...
- Match the List-I with List-II List-I: (A) Pressure varies inversely with volume of an ideal gas. (B) Heat absorbed goes partly to...
- An ideal gas initially at 0ºC temperature, is compressed suddenly to one fourth of its volume. If the ratio of specific heat at...
- The standard enthalpy and standard entropy of decomposition of N2O4 to NO2 are 55.0 kJ mol⁻¹ and 175.0 J/K/mol respectively. The...
- An ideal gas goes from an initial state to final state. During the process, the pressure of gas increases linearly with...
- Let us consider an endothermic reaction which is non-spontaneous at the freezing point of water. However, the reaction is...
- Standard entropies of X_2, Y_2 and XY_5 are 70, 50 and 110 J K⁻¹ mol⁻¹ respectively. The temperature in Kelvin at which the...
- Assertion (A) : In an insulated container, a gas is adiabatically shrunk to half of its initial volume. The temperature of the...
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