Chemical Engineering Thermodynamics For a constant volume process dW = pdV dE = CvdT dE = CpdT dQ = dE + pdV dW = pdV dE = CvdT dE = CpdT dQ = dE + pdV 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? DQ = CpdT + Vdp Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV DQ = CpdT + Vdp Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an exothremic reaction Only internal energy change (ΔE) is negative Enthalpy change is zero Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative Only internal energy change (ΔE) is negative Enthalpy change is zero Both ΔH and ΔE are negative Only enthalpy change (ΔH) is negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal gas, the enthalpy Increases with rise in pressure Is a path function Is independent of pressure Decreases with rise in pressure Increases with rise in pressure Is a path function Is independent of pressure Decreases with rise in pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are NH₃ or CO₂ Ethyl chloride or methyle chloride Freon-12 Propane NH₃ or CO₂ Ethyl chloride or methyle chloride Freon-12 Propane ANSWER DOWNLOAD EXAMIANS APP