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प्रश्न
The latent heat of vaporisation is a term referred for the conversion of gas into liquid.
पर्याय
Right
Wrong
उत्तर
The latent heat of vaporisation is a term referred for the conversion of gas into liquid- Wrong
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संबंधित प्रश्न
State any two measures to minimize the impact of global warming.
What is the Greenhouse effect?
What is the energy absorbed during the phase change called?
Explain the following:
The heat supplied to a substance during it change of state, does not cause any rise in its temperature.
During transformation of liquid phase to solid phase, the latent heat is ______.
Answer the following:
Explain the role of latent heat in the change of state of a substance.
When a liquid is getting converted into solid, the latent heat is ………………………………
What is the name given to the energy absorbed during a phase change?
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?
Why water get cooled in a ‘Surahi’ in hot season?
State two advantages of the high specific latent heat capacity of steam, which is about 226 × 104 J/kg?
Derive an expression for the amount of heat given out or taken up, when its temperature falls or rises by t°C.
If there is no Heat loss to the surroundings, the heat released by the condensation of m1 g of steam at 100°C into water at 100°C can be used to convert m2 g of ice at 0°C into water at 0°C.
(i) Find:
(a) The heat lost by steam in terms of m1
(b) The heat gained by ice in terms of m2
(ii) Form a heat equation find the ratio of m2 : m1
Specific latent heat of vaporization of steam = 2268 kJ/kg
Specific latent heat of fusion of ice = 336 kJ/kg
Specific heat capacity of water = 4200 J/kg°C
Write scientific reason.
The bottom of some steel utensils used for cooking is copper.
For the same mass of ice and ice-cold water, why does ice produce more cooling than ice-cold water?
Calculate the amount of heat required to convert 200g of ice at 0°C into the water at 0°C Specific latent heat of fusion of ice = 336 Jg-1
2875 J of heat is required to melt 115 g of lead at its melting point. Calculate the specific latent heat capacity of fusion of lead.
