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प्रश्न
What do you mean by the statement?
'The specific latent heat capacity of fusion of ice is 336 J per g'?
उत्तर
APPEARS IN
संबंधित प्रश्न
State two factors upon which the rate of emission of thermions depends.
State the effect of an increase of impurities on the melting point of ice.
What is meant by latent heat? How will the state of matter transform if latent heat is given off?
Answer the following:
Explain the role of latent heat in the change of state of a substance.
A substance changes from its solid state to the liquid state when heat is supplied to it. What name is given to heat absorbed by the substance.
When 1 g of ice at 0 °C melts to form 1 g of water at 0 °C then, is the latent heat absorbed by the ice or given out by it?
Explain, why no tracks are left on the ice during ice skating?
Why does evaporation causes cooling and why is water used in hot water bottles?
Calculate the total amount of heat required to convert 100g ice at 0°C to steam at 100°C.
(Specific latent heat of fusion of ice = 336 J/g, specific latent heat of vaporization of steam = 2260 J/g, specific heat capacity of water = 4.2 J/g°C).
Find the odd one out and give its explanation.
Define boiling point of a liquid.
Match the columns.
| Column A | Column B |
| 1) Specific latent heat of fusion | a) Air saturated with vapour |
| 2) Specific latent heat of vaporisation | b) Solid converts into liquid |
| 3) Dew point temperature | c) liquid converts into gas |
Specific latent heat L = ______.
Who introduced the term latent heat?
600 g of copper at 50°C is mixed with lOOOg water at 20°C. Find the final temperature of the mixture. The specific heat capacity of copper is 0.4 Jg-1°C-1 and that of water is 4.2 Jg-1°C-1
Specific latent heat of a substance ______.
