The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) √(6KT/m) √(2KT/m) 3KT/m √(3KT/m) TRUE ANSWER : ? YOUR ANSWER : ?
The internal energy of an ideal gas is a function of its __________ only. Molecular size Temperature Pressure Volume TRUE ANSWER : ? YOUR ANSWER : ?
For a constant volume process dQ = dE + pdV dE = CvdT dE = CpdT dW = pdV TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following exemplifies an adiabatic process? Condensation of alcohol vapor Melting of ice Evaporation of water Sudden bursting of a cycle tube TRUE ANSWER : ? YOUR ANSWER : ?
Internal energy change of a system over one complete cycle in a cyclic process is +ve -ve Zero Dependent on the path TRUE ANSWER : ? YOUR ANSWER : ?
A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount". This is A corollary of Henry's law Followed from Margule's equation The distribution law None of these TRUE ANSWER : ? YOUR ANSWER : ?
The temperature at which both liquid and gas phases are identical, is called the __________ point. Freezing Triple Critical Boiling TRUE ANSWER : ? YOUR ANSWER : ?
Joule-Thomson Co-efficient at any point on the inversion curve is -ve + ve ∞ TRUE ANSWER : ? YOUR ANSWER : ?
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is Same Dependent on climatic conditions More Less TRUE ANSWER : ? YOUR ANSWER : ?
An isolated system can exchange __________ with its surroundings. Both matter and energy Neither matter nor energy Matter Energy TRUE ANSWER : ? YOUR ANSWER : ?