Advertisements
Advertisements
Question
Define heat capacity and state its SI unit.
Advertisements
Solution
Heat capacity of a body is the amount of heat energy required to raise its temperature by 1°C. Its SI unit is JK-1
APPEARS IN
RELATED QUESTIONS
Calculate the mass of ice required to lower the temperature of 300 g of water 40°C to water at 0°C.
(Specific latent heat of ice = 336 J/g, the Specific heat capacity of water = 4.2J/g°C)
What do you understand by the following statements:
The heat capacity of the body is 60JK-1.
A refrigerator converts 100 g of water at 20°C to ice at -10°C in 35 minutes. Calculate the average rate of heat extraction in terms of watts.
Given: Specific heat capacity of ice = 2.1 J g-1°C-1
Specific heat capacity of water = 4.2 J g-1°C-1
Specific latent heat of fusion of ice = 336 J g-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.
Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.
Decide the unit for specific heat capacity.
_______ is defined as the amount of heat required to raise the temperature of 1kg of a substance by 1°C.
The heat capacity of the vessel of mass 100 kg is 8000 J/°K. Find its specific heat capacity.
If 'Cp' and 'Cv' are molar specific heats of an ideal gas at constant pressure and volume respectively. If 'λ' is the ratio of two specific heats and 'R' is universal gas constant then 'Cp' is equal to ______.
Conductors have generally high specific heat capacities and insulators have low specific heat capacities.
