Chemical Engineering Thermodynamics Entropy of the system decreases, when Both B & C Snow melts into water Water is converted into ice A gas expands spontaneously from high pressure to low pressure Both B & C Snow melts into water Water is converted into ice A gas expands spontaneously from high pressure to low pressure 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 Heating of a substance Simultaneous heating and expansion of an ideal gas Cooling of a substance Reversible isothermal volume change Heating of a substance Simultaneous heating and expansion of an ideal gas Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Both B & C Margules Van Laar Lewis-Randall Both B & C Margules Van Laar Lewis-Randall ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the ammonia synthesis reaction, N₂ + 3H₂ ⇋ 2NH₃ + 22.4 kcal, the formation of NH₃ will be favoured by Low pressure Both low temperature and high pressure Low temperature only High temperature Low pressure Both low temperature and high pressure Low temperature only High temperature 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 4.238 3.389 1.9398 1.572 4.238 3.389 1.9398 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson co-efficient for a perfect gas is Negative Zero Positive None of these Negative Zero Positive None of these ANSWER DOWNLOAD EXAMIANS APP
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