Chemical Engineering Thermodynamics Charles' law for gases states that V/T = Constant V ∝ 1/T PV/T = Constant V ∝ 1/P V/T = Constant V ∝ 1/T PV/T = Constant V ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the Pressure and temperature Number of intermediate chemical reactions involved None of these State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved None of these State of combination and aggregation in the beginning and at the end of the reaction 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 R loge 4 Cv loge 4 R log10 4 Cv log10 4 R loge 4 Cv loge 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 0.5 8.5 3.5 4.5 0.5 8.5 3.5 4.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 205 200 100 50 205 200 100 50 ANSWER DOWNLOAD EXAMIANS APP
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