Answer to Question #51927 in Field Theory for vi

Question #51927
The specific heat of a substance at its boiling point or melting point
Is 0
Is infinity
Is negative
lies between 0 and 1
2 A unit mass of solid converted to liquid at its melting point. Heat is required for this process is
Specific heat
Latent heat of vaporization
Latent heat of fusion
External latent heat
3 At a certain temperature, hydrogen molecules have r.m.s. velocity of 3 km/s. what is the r.m.s velocity of the oxygen molecules at the same temperature?
0.25 km/s
0.5 km/s
0.75 km/s
0.6 km/s
4 Which one of the following quantities can be zero on a average for the molecules of an ideal gas in equilibrium?
Kinetic energy
Density
Momentum
Speed
1
Expert's answer
2015-04-20T03:37:10-0400
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