Chemical Engineering Thermodynamics Activity co-efficient is a measure of the None of these Vapour pressure of liquid Departure of gas phase from idea] gas law Departure from ideal solution behaviour None of these Vapour pressure of liquid Departure of gas phase from idea] gas law Departure from ideal solution behaviour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is 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 Less stable Not at all stable (like nascent O₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Positive May be positive or negative Zero Negative Positive May be positive or negative Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is < 0 > 0 A function of pressure < 0 > 0 A function of pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. 2.73 283 28.3 273 2.73 283 28.3 273 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is 3.389 4.238 1.9398 1.572 3.389 4.238 1.9398 1.572 ANSWER DOWNLOAD EXAMIANS APP
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