Heating occurs

Cooling occurs

Pressure is constant

Temperature is constant

**Claude's liquefaction process employs the cooling of gases by****The minimum number of phases that can exist in a system is****A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature…****Solid and liquid phases of a substance are in equilibrium at the****The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…****Law of corresponding states says that****Second law of thermodynamics is concerned with the****The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant…****Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system…****The equation, Cp - Cv = R, is true for __________ gas.****Consider the reaction, C + O2 CO2; ΔH = - 94 kcal. What will be the value of ΔH for the reaction…****Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree…****For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the __________…****To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 - 1/T2) from…****Fugacity is a measure of the****A system in which there is exchange of energy but not of mass, is called a/an __________ system.****The adiabatic throttling process of a perfect gas is one of constant enthalpy****(∂H/∂T)P is the mathematical expression for****Pick out the correct equation relating 'F' and 'A'.****Water on heating from 1 to 4°C****Which of the following is not an intensive property?****Normal temperature and pressure (N.T.P.) corresponds to****Pick out the undesirable property for a good refrigerant.****In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the heat content (enthalpy) of O2?****__________ increases with increase in pressure.****Kopp's rule is used to calculate the heat capacity of****Degrees of freedom at triple point will be****The ratio of equilibrium constants (Kp2/Kp1) at two different temperatures is given by****The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is****The change in __________ is equal to the reversible work for compression in steady state flow process…**