Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Latent heat of fusion of ice, L=336 J/g
Mass of ice, m=2g
Amount of heat required convert 2g of ice at 0°C into water at 0°C
= m x L
= 2 x 336 = 672 J
APPEARS IN
संबंधित प्रश्न
Water is used in hot water bottles for fomentation. Give a reason.
It is generally cold after a hail-storm then during and before the hail storm. Give reason.
Name two green house gases ?
Solve the following problems:
Equal heat is given to two objects A and B of mass 1 g. Temperature of A increases by 3°C and B by 5°C. Which object has more specific heat? And by what factor?
Specific heat capacity of a substance A is 3.8 J g-1 K-1 and of substance B is 0.4 J g-1 k-1. Which substance is a good conductor of heat? How did you arrive at your conclusion?
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.
Give two reasons as to why copper is preferred over other metals for making calorimeters.
How much heat energy is necessary to raise the temperature of 5 kg of water from 20°C to 100°C?
A mixture of one mole of monoatomic gas and one mole of a diatomic gas (rigid) are kept at room temperature (27°C). The ratio of specific heat of gases at constant volume respectively is:
