Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sound waves propagation in air exemplifies an __________ process. Adiabatic None of these Isothermal Isometric Adiabatic None of these Isothermal Isometric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in kinetic energy Energy spent in doing work Decrease in temperature Decrease in velocity Decrease in kinetic energy Energy spent in doing work Decrease in temperature Decrease in velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure Vary as square of the absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In which of the following reaction equilibria, the value of equilibrium constant Kp will be more than is Kc? 2HI ⇋ H₂ + I₂ None of these N₂O₄ ⇋ 2NO₂ 2SO₂ + O₂ ⇋ 2SO₃ 2HI ⇋ H₂ + I₂ None of these N₂O₄ ⇋ 2NO₂ 2SO₂ + O₂ ⇋ 2SO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Isobaric process means a constant process. Pressure Volume Temperature Entropy Pressure Volume Temperature Entropy ANSWER DOWNLOAD EXAMIANS APP
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