Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature Both B and C Prediction of the extent of a chemical reaction Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature Both B and C Prediction of the extent of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific heat of a gas for a reversible adiabatic process is Infinity Negative Zero None of these Infinity Negative Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements. Less than The same Greater than Different than Less than The same Greater than Different than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an exothremic reaction Only internal energy change (ΔE) is negative Only enthalpy change (ΔH) is negative Both ΔH and ΔE are negative Enthalpy change is zero Only internal energy change (ΔE) is negative Only enthalpy change (ΔH) is negative Both ΔH and ΔE are negative Enthalpy change is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds <0 Ds = Constant Ds > 0 Ds = 0 Ds <0 Ds = Constant Ds > 0 Ds = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Less stable Not at all stable (like nascent O₂) More stable Either more or less stable ; depends on the compound Less stable Not at all stable (like nascent O₂) More stable Either more or less stable ; depends on the compound ANSWER DOWNLOAD EXAMIANS APP
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