Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas is a function of its __________ only. Temperature Molecular size Pressure Volume Temperature Molecular size Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Enthalpy remains constant None of these Entropy remains constant Temperature remains constant Enthalpy remains constant None of these Entropy remains constant Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Simultaneous pressure & temperature change Cooling Heating Both B and C Simultaneous pressure & temperature change Cooling Heating Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions. Real Ideal Isotonic None of these Real Ideal Isotonic None of these ANSWER DOWNLOAD EXAMIANS APP