Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Negative Zero None of these Positive Negative Zero None of these Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Increase in enthalpy corresponding to absorption of heat Decrease of entropy Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Increase in enthalpy corresponding to absorption of heat Decrease of entropy ANSWER DOWNLOAD EXAMIANS APP
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) √(2KT/m) √(3KT/m) 3KT/m √(6KT/m) √(2KT/m) √(3KT/m) 3KT/m √(6KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? None of these Expansion of an ideal gas against constant pressure Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C None of these Expansion of an ideal gas against constant pressure Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity is most helpful in None of these Representing actual behaviour of ideal gases Representing actual behaviour of real gases The study of chemical equilibria involving gases at atmospheric pressure None of these Representing actual behaviour of ideal gases Representing actual behaviour of real gases The study of chemical equilibria involving gases at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process. Adiabatic Polytropic Isobaric Isothermal Adiabatic Polytropic Isobaric Isothermal ANSWER DOWNLOAD EXAMIANS APP
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