Advertisements
Advertisements
प्रश्न
A piece of iron of mass 2.0 kg has a thermal capacity of 966 J/°C. What is its specific heat capacity in S.I. units?
Advertisements
उत्तर
Specific heat capacity C' = `"Amount of heat"/("Mass" xx "Rise in temp.") = 14490/(2.0 xx 15) = 14490/30`
= 483 J/kg/°C.
संबंधित प्रश्न
Heat energy is supplied at a constant rate to 100g of ice at 0 °C. The ice is converted into water at 0° C in 2 minutes. How much time will be required to raise the temperature of water from 0 °C to 20 °C? [Given: sp. heat capacity of water = 4.2 J g-1 °C-1, sp. latent heat of ice = 336 J g-1].
An electric heater of power 600 W raises the temperature of 4.0 kg of a liquid from 10.0℃ to 15.0℃ in100 s. Calculate:
- the heat capacity of 4.0 kg of liquid,
- the specific heat capacity of the liquid.
Ice cream appears colder to the mouth than water at 0℃. Give reason.
How will rise in sea level affect population in coastal countries?
A piece of iron of mass 2.0 kg has a heat capacity of 966 J K-1. Find its specific heat capacity in S.I unit.
Write the approximate values of the specific latent heat of fusion of ice.
If substances A and B are liquids then which one would be more useful in car radiators?
Given: Specific heat capacity’A’ 3.8 J/g /K. Specific heat capacity ‘B’ 0.4 J/g /K.
Explain why the specific heat capacity at constant pressure is greater than the specific heat capacity at constant volume.
Derive Meyer’s relation for an ideal gas.
