Cp of a gas at its critical temperature and pressure Equals 1 kcal/kmol °K Equals 0.24 kcal/kmol °K Becomes infinity Becomes zero TRUE ANSWER : ? YOUR ANSWER : ?
For spontaneous changes in an isolated system (S = entropy) Ds = Constant Ds > 0 Ds = 0 Ds <0 TRUE ANSWER : ? YOUR ANSWER : ?
While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is Constant Negative Infinity Unity TRUE ANSWER : ? YOUR ANSWER : ?
The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is -ve +ve ∞ TRUE ANSWER : ? YOUR ANSWER : ?
If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. 55.2 -30.2 -55.2 -19.4 TRUE ANSWER : ? YOUR ANSWER : ?
Entropy of the system decreases, when Snow melts into water A gas expands spontaneously from high pressure to low pressure Water is converted into ice Both B & C TRUE ANSWER : ? YOUR ANSWER : ?
Sublimation temperature of dry ice (solid CO₂) is __________ °C. 5 0 -273 -78 TRUE ANSWER : ? YOUR ANSWER : ?
In any spontaneous process, the __________ free energy decreases. Helmholtz Gibbs Neither A nor B Both of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Equilibrium constant of a reaction varies with the Pressure None of these Initial concentration of the reactant Temperature TRUE ANSWER : ? YOUR ANSWER : ?
Heat is added at constant temperature in an ideal __________ cycle. Rankine Brayton None of these Stirling TRUE ANSWER : ? YOUR ANSWER : ?