Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is May be positive or negative Zero Positive Negative May be positive or negative Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant. Specific vapor volume Viscosity Latent heat of vaporisation Specific heat Specific vapor volume Viscosity Latent heat of vaporisation Specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dE = dQ + dW dW = dQ + dE dQ = dE + dW dQ = dE - dW dE = dQ + dW dW = dQ + dE dQ = dE + dW dQ = dE - dW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Not have unduly high vapour pressure at the condenser temperature Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Not have unduly high vapour pressure at the condenser temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would Neither A nor B Shift the equilibrium towards right Give higher yield of NH₃ Both B and C Neither A nor B Shift the equilibrium towards right Give higher yield of NH₃ Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is A function of pressure > 0 < 0 A function of pressure > 0 < 0 ANSWER DOWNLOAD EXAMIANS APP