Chemical Engineering Thermodynamics The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) √(6KT/m) 3KT/m √(3KT/m) √(2KT/m) √(6KT/m) 3KT/m √(3KT/m) √(2KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity is most helpful in Representing actual behaviour of real gases None of these The study of chemical equilibria involving gases at atmospheric pressure Representing actual behaviour of ideal gases Representing actual behaviour of real gases None of these The study of chemical equilibria involving gases at atmospheric pressure Representing actual behaviour of ideal gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a reversible process Tds = dE + dW DW - dE = Tds Tds - dW + dE >0 DE - dW = Tds Tds = dE + dW DW - dE = Tds Tds - dW + dE >0 DE - dW = Tds ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always > 2 > 1 < 1 < 3 > 2 > 1 < 1 < 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
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