The unit of equilibrium constant of a chemical reaction is the same as that of Temperature Internal energy None of these Molar concentration TRUE ANSWER : ? YOUR ANSWER : ?
In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? Zero > -94 kcal < - 94 kcal -94 kcal TRUE ANSWER : ? YOUR ANSWER : ?
For an irreversible process involving only pressure-volume work (dF)T, p (dA)T, v >0 (dF)T, p = 0 (dF)T, p > 0 TRUE ANSWER : ? YOUR ANSWER : ?
The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are 0.66 & 1.987 3.987 & 1.987 1.987 & 0.66 5 & 3 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following has the least thermal efficiency? Carnot engine Otto engine Steam engine Diesel engine TRUE ANSWER : ? YOUR ANSWER : ?
The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Isothermal Isobaric Adiabatic None of these TRUE ANSWER : ? YOUR ANSWER : ?
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Increase First fall and then rise Remain unchanged Decrease TRUE ANSWER : ? YOUR ANSWER : ?
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation. Maxwell's Clayperon Gibbs-Duhem None of these TRUE ANSWER : ? YOUR ANSWER : ?
dW and dq are not the exact differential, because q and W are Path functions Extensive properties State functions Intensive properties TRUE ANSWER : ? YOUR ANSWER : ?
Specific __________ does not change during phase change at constant temperature and pressure. Gibbs energy Entropy Enthalpy Internal energy TRUE ANSWER : ? YOUR ANSWER : ?