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प्रश्न
Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.
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उत्तर
1 gm water will contain more heat in it. Because it contains latent heat 80 cal.
संबंधित प्रश्न
A copper vessel of mass 100 g contains 150 g of water at 50°C. How much ice is needed to cool it to 5°C?
Given: Specific heat capacity of copper = 0.4 Jg-1 °C-1
The Specific heat capacity of water = 4.2 Jg-1 °C-1
The Specific latent heat of fusion ice = 336 Jg-1
Explain the term boiling ?
(i) State whether the specific heat capacity of a substance remains the same when its state changes from solid to liquid.
(ii) Give one example to support your answer.
Write two advantages of high specific heat capacity of water.
Write the approximate values of the specific latent heat of vaporization of steam.
Why are athletes advised to put on extra clothes after competing on event?
Describe a method to determine the specific heat capacity of a solid (say, a piece of copper).
Water has the lowest specific heat capacity.
