The equation Tds = dE - PdV applies to Single phase fluid of constant composition Single phase fluid of varying composition Open as well as closed systems Both B and C TRUE ANSWER : ? YOUR ANSWER : ?
The number of degrees of freedom at the triple point of water is 2 1 Zero 3 TRUE ANSWER : ? YOUR ANSWER : ?
Which is not constant for an ideal gas? (∂P/∂V)T All of these (∂P/∂V)V (∂V/∂T)P TRUE ANSWER : ? YOUR ANSWER : ?
For spontaneous changes in an isolated system (S = entropy) Ds <0 Ds = Constant Ds > 0 Ds = 0 TRUE ANSWER : ? YOUR ANSWER : ?
When pressure is applied on the system, ice ⟷ water, then Evaporation of water will take place Equilibrium can not be established More water will be formed More ice will be formed TRUE ANSWER : ? YOUR ANSWER : ?
For any system, what is the minimum number of degrees of freedom? 1 3 0 2 TRUE ANSWER : ? YOUR ANSWER : ?
Third law of thermodynamics is helpful in Both B and C Prediction of the extent of a chemical reaction Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature TRUE ANSWER : ? YOUR ANSWER : ?
As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches Zero Infinity Unity An indeterminate value TRUE ANSWER : ? YOUR ANSWER : ?
The unit of equilibrium constant of a chemical reaction is the same as that of None of these Temperature Internal energy Molar concentration TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true for Virial equation of state? Virial co-efficients are universal constants Virial co-efficients are function of temperature only For some gases, Virial equations and ideal gas equations are the same Virial co-efficients TRUE ANSWER : ? YOUR ANSWER : ?