At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?
At normal boiling point, molar entropy of vaporisation is _____________ Joule/K°.mole?
A. 72
B. 92
C. 142
D. 192
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In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?
In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?A. Adiabatic
B. Reversible
C. Isothermal
D. None of theseGrams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?
Grams of butane (C4H10) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be__________________?A. 580
B. 640
C. 1160
D. Data insufficient; can’t be computedDryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?
Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture ______________ calorimeter is not used for measuring the dryness fraction of steam?A. Bomb
B. Separating
C. Bucket
D. ThrottlingThe internal energy of a gas obeying P (V – b) RT (where, b is a positive constant and has a constant Cv), depends upon its________________?
The internal energy of a gas obeying P (V – b) RT (where, b is a positive constant and has a constant Cv), depends upon its________________?A. Pressure
B. Volume
C. Temperature
D. All A, B. & CConsider the reaction, C + O2 ⇌ CO2; ΔH = – 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2 ?
Consider the reaction, C + O2 ⇌ CO2; ΔH = – 94 kcal. What will be the value of ΔH for the reaction CO2 → C + O2 ?A. -94 kcal
B. +94 kcal
C. > 94 kcal
D. < -94 kcalAt a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?
At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depends on the gas