Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change Under reversible isothermal volume change During cooling of an ideal gas During heating of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During cooling of an ideal gas During heating of an ideal gas With pressure changes at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1st law of thermodynamics is nothing but the law of conservation of Energy Mass Momentum None of these Energy Mass Momentum None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is 1.572 1.9398 3.389 4.238 1.572 1.9398 3.389 4.238 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following liquid metals has the highest thermal conductivity? Molten sodium Mercury Molten potassium Molten lead Molten sodium Mercury Molten potassium Molten lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Equals 1 kcal/kmol °K Becomes zero Equals 0.24 kcal/kmol °K Becomes infinity Equals 1 kcal/kmol °K Becomes zero Equals 0.24 kcal/kmol °K Becomes infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) λb/Tb Tb/λb √(λb/Tb) √(Tb/λb) λb/Tb Tb/λb √(λb/Tb) √(Tb/λb) ANSWER DOWNLOAD EXAMIANS APP
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