Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ammonia Carbon dioxide Ethylene Freon-12 Ammonia Carbon dioxide Ethylene Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the Calorific value Heat of reaction Heat of formation Heat of combustion Calorific value Heat of reaction Heat of formation Heat of combustion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 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) √(2KT/m) 3KT/m √(6KT/m) √(3KT/m) √(2KT/m) 3KT/m √(6KT/m) √(3KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Infinity That of the heat of reaction Zero Unity Infinity That of the heat of reaction Zero Unity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of mixing at constant pressure and temperature is always + ve - ve ∞ + ve - ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P ANSWER DOWNLOAD EXAMIANS APP