Chemical Engineering Thermodynamics For an exothremic reaction Enthalpy change is zero Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Both ΔH and ΔE are negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Both ΔH and ΔE are negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ law of thermodynamics ascertains the direction of a particular spontaneous process. Zeroth Second Third First Zeroth Second Third First ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Requisites of a reversible process is that the System and surroundings pressure be equal System and surroundings temperature be equal Friction in the system should be absent None of these System and surroundings pressure be equal System and surroundings temperature be equal Friction in the system should be absent None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is A . x₂² Ax₂ Ax₁² Ax₁ A . x₂² Ax₂ Ax₁² Ax₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal solution, the value of activity co-efficient is 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done may be calculated by the expression ∫p dA for __________ processes. Neither A nor B Non-flow reversible Adiabatic Both A and B Neither A nor B Non-flow reversible Adiabatic Both A and B ANSWER DOWNLOAD EXAMIANS APP