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