The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is
Endothermic
Exothermic
Isothermal
Adiabatic
Q.5.
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero.
Enthalpy
Volume
Both A & B
Neither A nor B
Q.6.
Henry's law is closely obeyed by a gas, when its __________ is extremely high.
Pressure
Solubility
Temperature
None of these
Q.7.
Sublimation temperature of dry ice (solid CO₂) is __________ °C.
-273
0
-78
5
Q.8.
The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the
Maxwell
Thermodynamic equation of state
Equation of state
Redlich-Kwong equation of state
Q.9.
Which of the following is a shortcoming for using parallel connected transformers?I. Reliable loadingII. Increased capacity of power systemIII. Reducing the capacity of substation
I, II, III
I, II
I, III
None of the mentioned
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