The equation E = ? AT4 represents
A.Wein’s Law
B.Kirchhoff’s law
C.Stefan Boltzmann’s law
D.None of the above
A.Wein’s Law
B.Kirchhoff’s law
C.Stefan Boltzmann’s law
D.None of the above
A.these are mixtures of allotropes
B.these are mixtures of isotopes
C.these are mixtures of isobars
D.element always contains some impurities
A.Abel apparatus
B.Saybolt chromometer
C.Pensky-Martens apparatus
D.Lovibond Tintometer
A.kcal/hr
B.kcal/m/hr
C.kcal/m2/hr/?C
D.None of the above
A.(time)-n
B.(time)-1 (concentration)1-n
C.(time)-n (concentration)n-1
D.(time) (concentration)n-1
A.adhesion being greater than cohesion
B.cohesion being greater than adhesion
C.adhesion being equal to cohesion
D.vapor pressure being small.
A.6.2 x 104 s
B.3710 s
C.1513 s
D.1120 s.
A.constant fluid density systems
B.variable fluid density systems
C.non-isothermal gas reactions
D.gas reactions with changing number of moles.
A.At high poressures and low temperatures
B.At low poressures and low temperatures
C.At high poressures and high temperatures
D.At low poressures and high temperatures