Chemical Engineering Thermodynamics For an exothremic reaction Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Enthalpy change is zero Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Enthalpy change is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds > 0 Ds <0 Ds = 0 Ds = Constant Ds > 0 Ds <0 Ds = 0 Ds = Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In any spontaneous process, the __________ free energy decreases. Both of the listed here Neither A nor B Gibbs Helmholtz Both of the listed here Neither A nor B Gibbs Helmholtz ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 3 1 2 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Degree of freedom of a system consisting of a gaseous mixture of H₂ and NH₃ will be 2 1 3 0 2 1 3 0 ANSWER DOWNLOAD EXAMIANS APP
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