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 Same Unpredictable; depends on the particular reaction More Less Same Unpredictable; depends on the particular reaction More ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an exothremic reaction Only internal energy change (ΔE) is negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Both ΔH and ΔE are negative Only internal energy change (ΔE) is negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Both ΔH and ΔE are negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a system is in equilibrium for all possible processes, the differential or finite change of entropy is None of these < 0 = 0 > 0 None of these < 0 = 0 > 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Reverse Carnot cycle Ordinary vapour-compression cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Ordinary vapour-compression cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv log10 4 Cv loge 4 R loge 4 R log10 4 Cv log10 4 Cv loge 4 R loge 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
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