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Question
1 kg of water freezes to form ice at 0°C. What amount of heat is withdrawn?
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Solution
3,36,000 J.
RELATED QUESTIONS
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
The temperature of 170 g of water at 50°C is lowered to 5°C by adding a certain amount of ice to it. Find the mass of ice added.
Given: Specific heat capacity of water = 4200 J kg-1 °C-1 and specific latent heat of ice = 336000 J kg-1.
The specific heat capacity of water is :
Solve the following problem.
Specific latent heat of vaporization of water is 2.26 × 106 J/kg. Calculate the energy needed to change 5.0 g of water into steam at 100 ºC.
The specific heat capacity of water is 1 cal/g °C.
What is specific heat capacity?
Derive Meyer’s relation for an ideal gas.
Conductors have generally high specific heat capacities and insulators have low specific heat capacities.
