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 The activity of an ideal gas is numerically __________ its pressure. Data insufficient, can't be predicted Equal to Less than More than Data insufficient, can't be predicted Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Pressure Entropy Enthalpy None of these Pressure Entropy Enthalpy None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law ) V₁/V₂ V₁-V₂ V₁.V₂ V₂/V₁ V₁/V₂ V₁-V₂ V₁.V₂ V₂/V₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Have low specific heat Both A and B Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Have low specific heat Both A and B Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the None of these Both listed here Temperature must decrease Process must be isobaric None of these Both listed here Temperature must decrease Process must be isobaric ANSWER DOWNLOAD EXAMIANS APP
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