Chemical Engineering Thermodynamics Specific __________ does not change during phase change at constant temperature and pressure. Enthalpy Internal energy Gibbs energy Entropy Enthalpy Internal energy Gibbs energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is None of these Positive Zero Negative None of these Positive Zero Negative 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 At the critical point of a substance There is no distinction between liquid and vapour phases Liquid and vapour have the same density The surface tension vanishes All of these There is no distinction between liquid and vapour phases Liquid and vapour have the same density The surface tension vanishes All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dQ = dE - dW dW = dQ + dE dE = dQ + dW dQ = dE + dW dQ = dE - dW dW = dQ + dE dE = dQ + dW dQ = dE + dW 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 Unpredictable; depends on the particular reaction Same More Less Unpredictable; depends on the particular reaction Same More ANSWER DOWNLOAD EXAMIANS APP
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