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Energy supplied to convert unit mass of substance from solid to liquid state at its melting point is called

Latent heat of fusion
Evaporation
Solidification
Latent heat of fission
Additional Questions

If 2 kcal, of heat is supplied to a system cause to change the internal energy of a gas is 5030 J, and external work done is 3350 J, then what is mechanical equivalent of heat?

Answer

The average kinetic energy of the molecules of a gas at 27°C is 9 × 10–20 J. what is its average K.E. at 227°C?

Answer

Mean square velocity of five molecules of velocities 2 m/s, 3 m/s, 4 m/s, 5 m/s and 6 m/s is

Answer

For a gas, the r.m.s. speed at 800K is

Answer

The internal energy of one mole of an ideal gas depend upon

Answer

The root mean square speed of hydrogen molecules at 300K is 1930 m/s. then the root mean square speed of oxygen molecule at 900K will be

Answer

If at same temperature and pressure, the densities for two diatomic gases are respectively d1 and d2, then the ratio of velocities of sound in these will be

Answer

5 gm of air is heated from 273 K to 275 K. the change in internal energy of air will be
(CV = 172 cal/kg K and 4.2 J/cal)

Answer

K.E. per unit volume is given by

Answer

Mean kinetic energy per gram molecule of a gas is given by

Answer
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