Thermodynamics MCQs

A. 0

B. 273

C. 25

D. None of these

A. Prediction of the extent of a chemical reaction

B. Calculating absolute entropies of substances at different temperature

C. Evaluating entropy changes of chemical reaction

D. Both B and C

A. Isothermal

B. Adiabatic

C. Isentropic

D. Polytropic

A. Ideal

B. All

C. Very high pressure

D. Very low temperature

A. Addition of inert gas favours the forward reaction, when Δx is positive

B. Pressure has no effect on equilibrium, when Δn = 0

C. Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, – ve) or zero)

D. All of the above

A. Molar concentration

B. Quantity (i.e. number of moles)

C. Both A and B

D. Neither A nor B

A. Molar volume, density, viscosity and boiling point

B. Refractive index and surface tension

C. Both A and B

D. None of these

A. Conduction

B. Convection

C. Radiation

D. Condensation

A. Only enthalpy change (ΔH) is negative

B. Only internal energy change (ΔE) is negative

C. Both ΔH and ΔE are negative

D. Enthalpy change is zero

A. Solid-vapor

B. Solid-liquid

C. Liquid-vapor

D. All of the above