The specific heat of saturated water vapour at 100?C is
A.zero
B.positive
C.negative
D.infinity
A.zero
B.positive
C.negative
D.infinity
A.0
B.1
C.2
D.3
A.is zero
B.is infinity
C.is negative
D.varies between zero and infinity
A.Hydrogen
B.Nitrogen
C.Mercury vapour
D.Sulphur dioxide
A.0.1 mm of Hg at 0?C in a standard gravitational field
B.1 mm of Hg at 0?C in a standard gravitational field
C.0.01 mm of Hg at 0?C in a standard gravitational field
D.0.001 mm of Hg at 0?C in a standard gravitational field
A.only the energy crosses the system boundary
B.both energy and mass cross the system boundary
C.neither energy nor mass crosses the system boundary
D.only the mass crosses the system boundary
A.R
B.< R
C.> R
D.zero
A.compressibility factor versus reduced temperature with reduced pressure as parameter
B.compressibility factor versus reduced pressure with reduced temperature as parameter
C.compressibility factor versus pressure with absolute temperature as parameter
D.compressibility factor versus absolute temperature with pressure as parameter
A.its pressure only
B.its volume only
C.its temperature only
D.the size of its molecules only
A.is always greater than the volume predicted by ideal-gas law
B.is always less than the volume presicated by ideal-gas law
C.is always equal to the volume predicted by ideal gas law
D.may be less than equal to or greater than the volume predicted by ideal-gas law depending on the nature of the gas