Related Questions

The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.
A Isobaric
B Isothermal
C Adiabatic
D None of these
Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be
A Same
B Doubled
C Halved
D One fourth of its original value
In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will
A Remain the same
B Be halved
C Also be doubled
D Become one fourth
In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
A Concentrations
B Chemical potentials
C Activity co-efficients
D Mass transfer co-efficients
With increase in temperature, the equilibrium conversion of a reversible exothermic reaction
A Decreases
B Increases
C Remains unaffected
D Decreases linearily with temperature
With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction
A Decreases
B Increases
C Remains unaffected
D Increases linearly with temperature
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant
A Is independent of pressure
B Increases with pressure
C Decreases with pressure
D Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as
A Thermodynamic law
B Thermodynamic process
C Thermodynamic cycle
D None of these
When an isolated thermodynamic system executes a process,
A Work is done
B Heat transfer takes place
C Mass flow occurs across the boundary of the system
D No chemical reaction takes place within the system
Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant
A Pressure
B Temperature
C Volume
D Internal energy

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