If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the
Maxwell's equation
Clausius-Clapeyron Equation
Van Laar equation
Nernst Heat Theorem
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- The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by
- Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates
- Work done is a
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- Sublimation temperature of dry ice (solid CO2) is __________ °C.
- In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases…
- Which of the following is not a reversible process?
- The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…
- For an isothermal process, the internal energy of a gas
- Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature…
- In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the heat content (enthalpy) of O2?
- In any spontaneous process, the __________ free energy decreases.
- The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
- The number of degrees of freedom for a mixture of ice and water (liquid) are
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- Pick out the wrong statement:
- Which of the following is not affected by temperature changes?
- Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
- The total change in the enthalpy of a system is independent of the
- The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio…
- The acentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr-1 = 0.7, where,…
- Specific __________ does not change during a phase change (e.g. sublimation, melting, vaporisation etc.).
- If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of…
- For a constant volume process
- The principle applied in liquefaction of gases is
- Claude gas liquefaction process employs cooling
- In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants)
- Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression…