In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by:
A. Low temperature
B. High pressure
C. Both A. and B
D. Neither A. nor B
Chemical potential is a/an:
A. Extensive property
B. Intensive property
C. Force which drives the chemical system to equilibrium
D. Both B. and C
______ functions are exemplified by heat and work:
A. Path
B. Point
C. State
D. None of these
Domestic refrigerator usually works on the _____ refrigeration cycle:
A. Carnot
B. Air
C. Absorption
D. vapour-ejection
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____ percent:
A. 0.25
B. 0.5
C. 0.75
D. 1
COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about:
A. 0.5
B. 3.5
C. 4.5
D. 8.5
The unity of Planck’s constant ‘h’ in the equation, E = hv is:
A. J/s
B. J.S
C. J/kmol
D. kmol/J
The value of gas constant ‘R’ is:
A. 1.987 cal/gm mole °K
B. 1.987 BTU/lb. mole °R
C. Both A. and B
D. Neither A. nor B
Which is not a refrigerant:
A. SO2
B. NH3
C. CCl2F2
D. C2H4Cl2
Maxwell’s relation corresponding to the identity, dH = dS = Vdp + Σμi dni is:
A. (∂T/∂V)S, ni = -(∂P/∂S)V, ni
B. (∂S/∂P)T, ni = (∂V/∂T)P, ni
C. (∂S/∂V)T, ni = (∂P/∂T)V, ni
D. (∂T/∂P)S, ni = (∂V/∂S)P, ni
