Chemical Engineering Thermodynamics The gas law (PV = RT) is true for an __________ change. Isothermal Both A & B Neither A nor B Adiabatic Isothermal Both A & B Neither A nor B Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be Data insufficient; can't be computed 580 640 1160 Data insufficient; can't be computed 580 640 1160 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is 3.389 1.9398 1.572 4.238 3.389 1.9398 1.572 4.238 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is Less More Unpredictable; depends on the particular reaction Same Less More Unpredictable; depends on the particular reaction Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Logarithmic Arithmetic Geometric Harmonic Logarithmic Arithmetic Geometric Harmonic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is J.S J/kmol J/s Kmol/J J.S J/kmol J/s Kmol/J ANSWER DOWNLOAD EXAMIANS APP