Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dE = dQ + dW dQ = dE - dW dQ = dE + dW dW = dQ + dE dE = dQ + dW dQ = dE - dW dQ = dE + dW dW = dQ + dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is Zero 8 J ∞ 4 J Zero 8 J ∞ 4 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Infinity Unity Zero That of the heat of reaction Infinity Unity Zero That of the heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Lewis-Randall Van Laar Margules Both B & C Lewis-Randall Van Laar Margules Both B & C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Polytropic Isentropic Adiabatic Isothermal Polytropic Isentropic Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP