Thermodynamics
131 questions in this chapter, page 3 of 3.
Study loop for Thermodynamics
1. Practise the PYQsPrevious-year questions, with answers
Thermodynamics – General
ABC26PH0858 · The thermodynamic criterion for spontaneity of a process in a system under constant volume and temperature and in the absence of any work… · 2001-2022 self-practice
ABC26PH1477 · Heat capacity of a species is independent of temperature if it is · JUNE 2015
ABC26PH0859 · One mole of an ideal gas is subjected to an isothermal increase in pressure from 100 kPa to 1000 kPa at 300 K. The change in Gibbs free… · 2001-2022 self-practice
ABC26PH0604 · Of the following inequalities, the criteria for spontaneity of a chemical reaction is/are (i) (Delta G)T,P < 0 (ii) (Delta U)S,V > 0 (iii)… · 2005-2021 self-practice
ABC26PH1480 · The value of Delta U - Delta H for the reaction Fe2O3(s) + 3C(s) → 2Fe(s) + 3CO(g) is · DEC 2015
ABC26PH0864 · The standard Gibbs free energy change for the reaction H2O(g) → H2(g) + 1/2O2(g) at 2500 K is +118 kJ mol-1. The equilibrium constant for… · 2001-2022 self-practice
ABC26PH1482 · Delta H of a reaction is equal to slope of the plot of · DEC 2015
ABC26PH0237 · A reversible expansion of 1.0 mol of an ideal gas is carried out from 1.0 L to 4.0 L under isothermal condition at 300K. Delta G for this… · DEC 2015
ABC26PH1486 · ((∂ H)/(∂ P))T has the dimension of · JUNE 2016
ABC26PH1487 · For an ideal gas at 300 K · JUNE 2016
ABC26PH0613 · An ideal gas occupies an unknown volume V liters (L) at a pressure of 12 atm. The gas is expanded isothermally against a constant external… · 2005-2021 self-practice
ABC26PH0616 · Delta Gf0 and Delta Hf0 for Fe(g) are 370.7 kJ mol-1 and 416.3 kJ mol-1 at 298 K, respectively. Assuming Delta Hf0 is constant in the… · 2005-2021 self-practice
ABC26PH0617 · The van der Waals constants a and b for gaseous CO are given as 1.49 L2 atm mol-2 and 0.0399 L mol-1, respectively. The fugacity (in atm… · 2005-2021 self-practice
ABC26PH0242 · The equation of state for one mole of a gas is given by P(V - b) = RT, where b and R are constants. The value of ((∂ H)/(∂ P))T is · DEC 2016
ABC26PH0618 · A reversible heat engine absorbs 20 kJ of heat from a source at 500 K and dissipates it to the reservoir at 400 K. The efficiency of the… · 2005-2021 self-practice
ABC26PH0619 · 2L of gas at 1 atm pressure is reversibly heated to reach a final volume of 3.5 L. The absolute value of the work done on the gas (rounded… · 2005-2021 self-practice
ABC26PH1495 · The partial derivative ((∂ T)/(∂ V))P is equal to · DEC 2016
ABC26PH1497 · A phase transition process is always · JUNE 2017
ABC26PH0243 · The correct statement for any cyclic thermodynamic process is · JUNE 2017
ABC26PH1498 · The correct statement for any cyclic thermodynamic process is · JUNE 2017
ABC26PH1499 · The fugacity of a real gas is less than the pressure (P) of an ideal gas at the same temperature (T) only when (Tb is the Boyle temperature… · JUNE 2017
ABC26PH1500 · The minimum work required by an engine to transfer 5 J of heat from a reservoir at 100 K to one at 300 K is · JUNE 2017
ABC26PH1507 · For a closed system in the absence of non-PV work, the correct statement is · DEC 2018
ABC26PH1508 · The volume change in a certain phase transition is 2.0 mL mol-1 at the transition point. From this, we may conclude that the transition is… · DEC 2018
ABC26PH1519 · (Cp - Cv) for a non-ideal gas differs from (Cp - Cv) for a perfect gas by the expression (1) ((∂ P)/(∂ T))V ((∂ U)/(∂ P))S (2) ((∂ V)/(∂… · DEC 2019
ABC26PH0255 · A monatomic perfect gas undergoes expansion from (p1, V1) to (p2, V2) under isothermal or adiabatic conditions. The pressure of the gas… · DEC 2019
ABC26PH1520 · A monatomic perfect gas undergoes expansion from (p1, V1) to (p2, V2) under isothermal or adiabatic conditions. The pressure of the gas… · DEC 2019
ABC26PH1521 · For a van der Waals gas, the partial derivative is ((∂ U)/(∂ V))T · DEC 2019
ABC26PH1524 · The maximum number of phases that can be simultaneously in equilibrium for a one component system is · JUNE 2021