Thermodynamics for Chemical Quiz 4

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ? C2H5OH(g), the equilibrium conversion does not depend on the_________?

Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure _______ with the increase of reduced temperature?

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system ______ as its mole fraction increases?

Gases are cooled in Joule-Thomson expansion, when it is ______ inversion temperature?

Gibbs-Duhem equation relates composition in liquid phase and the ______ at constant temperature & pressure?

Gibbs free energy at constant pressure and temperature under equilibrium conditions is_____?

For an isothermal process, the internal energy of a gas______?

For an ideal liquid solution, which of the following is unity ?

Free energy change of mixing two liquid substances is a function of the___________?

Free energy change at equilibrium is______?

For spontaneous changes in an isolated system (S = entropy) _____?

Generation of heat by friction is an example of a/an _________ change?

Free energy_____?

Fundamental principle of refrigeration is based on the _______ law of thermodynamics?

For an ideal gas, the internal energy depends upon its _____ only?

For a thermodynamic system containing ?x? chemical species, the maximum number of phases that can co-exist at equilibrium is__________?

For water at 300?C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm3 and that in vapour phase in 391.1 cm3.Fugacity of water (in kPa) at 9000 kPa will be___________?

Heat of reaction at constant volume is identified with ______ change?

Fugacity and pressure are numerically not equal for the gases___________?

For an ideal gas, the enthalpy___________?

Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be___________?

Heat pump_________?

For an irreversible process involving only pressure-volume work______?

Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature _____ as its mole fraction increases?

Gibbs-Helmholtz equation is___________?

Fugacity is most helpful in______?

Fugacity and pressure are numerically equal, when the gas is______?

For an exothermic reaction ______?

Gibbs free energy of a pure fluid approaches ______ as the pressure tends to zero at constant temperature?

Gibbs-Duhem equation_______?

For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the ________ of each component must be same in all phases?

Gibbs free energy of mixing at constant pressure and temperature is always___________?

Heat is added at constant pressure in an ideal ______ cycle?

Gibbs free energy (G) is represented by, G = H ? TS, whereas Helmholtz free energy, A. is given by, A = E ? TS. Which of the following is the Gibbs-Helmholtz equation ?

For any system, what is the minimum number of degrees of freedom ?

Fugacity co-efficient of a substance is the ratio of its fugacity to___________?

Fugacity is a measure of the______?

For the reversible exothermic reaction, N2 + 3H2 ? 2NH3, increase of pressure would_________?

Gibbs free energy (F) is defined as___________?

For an incompressible fluid, the ________ is a function of both pressure as well as temperature?

For organic compounds, group contribution method can be used for the estimation of _______?

Gibbs phase rule finds application, when heat transfer occurs by_____?

For an ideal gas, the chemical potential is given by_______?

For an ideal gas, the activity co-efficient is__________?

Heat requirement for decomposition of a compound into its elements is ______ that is evolved during the formation of that compound from its elements?

For an isothermal reversible compression of an ideal gas________?

Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ? CO2 + H2, by__________?

Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of_______?

Gibbs free energy per mole for a pure substance is equal to the___________?

Heat is added at constant temperature in an ideal _______ cycle?