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 Enthalpy changes over a constant pressure path are always zero for __________ gas. An easily liquefiable Any A perfect A real An easily liquefiable Any A perfect A real ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas DQ = dE ΔE = ΔH = 0 Only ΔH =0 Only ΔE = 0 DQ = dE ΔE = ΔH = 0 Only ΔH =0 Only ΔE = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The standard state of a gas (at a given temperature) is the state in which fugacity is equal to Neither A nor B Both A & B Unity Activity Neither A nor B Both A & B Unity Activity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. 2.73 273 28.3 283 2.73 273 28.3 283 ANSWER DOWNLOAD EXAMIANS APP