English

Find the Amount of Heat Required to Convert 2 G of Ice at 00c into Water at 00c. Latent Heat of Fusion of Ice= 336 Jg-1.

Advertisements
Advertisements

Question

Find the amount of heat required to convert 2 g of ice at 0°C into water at 0°C. Latent heat of fusion of ice= 336 Jg-1.
Numerical
Advertisements

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Heat - Exercise 5.2 ii [Page 242]

APPEARS IN

Frank Physics Part 2 [English] Class 10 ICSE
Chapter 5 Heat
Exercise 5.2 ii | Q 8 | Page 242

RELATED QUESTIONS

It is generally cold after a hail-storm then during and before the hail storm. Give reason.


Why do the farmers fill their fields with water on a cold winter night?

650 J of heat is required to raise the temp. of 0.25 kg of lead from 15°C to 35°C. Calculate the Sp. heat capacity of lead.


Ice-cream at 0°C feels colder than water at 0°C. Give reason for this observation.


The temperature of a lead piece of mass 400 g rises from 20°C to 50°C when 1560 J of heat is supplied to it. Calculate Specific heat capacity of lead.


For a gas, `"R"/"C"_"v"=0.4`, where R Is universal gas constant and Cv is the molar specific heat at constant volume. The gas is made up of molecules, which are ______


50 g of copper is heated to increase its temperature by 10° C. If the same quantity of heat is given to 5 g water, the rise in its temperature is [Specific heat of copper = 420 joule-kg-1 °C-1 , specific heat of water = 4200 joule-kg-I °C-1]


If 'f' is the number of degrees of freedom of a molecule of a gas and ratio of molar specific heats of a gas, ϒ = 1 + `2/"f"` where ϒ = Cp/Cv. The ratio of 'ϒ' for monoatomic gas to 'ϒ' for (rigid) f diatomic gas is ______.


Two metals A and B have specific heat capacities in the ratio 2 : 3. If they are supplied the same amount of heat then

Which metal piece will show a greater rise in temperature given their masses is the same?


Match the columns:

Column ‘A’ Column ‘B’
The SI unit of specific heat capacity (a) Jkg−1°C−1
(b) kg/m3
(c) calorie

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×