Chemical Engineering Thermodynamics At absolute zero temperature, all substances have the same Crystalline structure Entropy None of these Heat capacity Crystalline structure Entropy None of these Heat capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV DQ = CpdT + Vdp Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV DQ = CpdT + Vdp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₂/R1 T₁/(T₁-T₂) T₁/T₂ T₂/(T₁-T₂) T₂/R1 T₁/(T₁-T₂) T₁/T₂ T₂/(T₁-T₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as Solubility is independent of temperature Solubility increases as temperature increases Solubility increases as temperature decreases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility is independent of temperature Solubility increases as temperature increases Solubility increases as temperature decreases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of the system decreases, when Water is converted into ice Snow melts into water Both B & C A gas expands spontaneously from high pressure to low pressure Water is converted into ice Snow melts into water Both B & C A gas expands spontaneously from high pressure to low pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ decreases during adiabatic throttling of a perfect gas. Entropy Temperature Enthalpy Pressure Entropy Temperature Enthalpy Pressure ANSWER DOWNLOAD EXAMIANS APP