Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Temperature is constant Cooling occurs Pressure is constant Heating occurs Temperature is constant Cooling occurs Pressure is constant Heating occurs 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 Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is 1 1.66 1.44 1 1.66 1.44 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be Data insufficient; can't be computed 1160 580 640 Data insufficient; can't be computed 1160 580 640 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The third law of thermodynamics states that the Heat transfer from low temperature to high temperature source is not possible without external work None of these Heat capacity of a crystalline solid is zero at absolute zero temperature Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work None of these Heat capacity of a crystalline solid is zero at absolute zero temperature Gases having same reduced properties behave similarly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. Equal to More than Less than Data insufficient, can't be predicted Equal to More than Less than Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
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