मराठी

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

प्रश्न

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.
संख्यात्मक
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

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Heat - Exercise 5.2 ii [पृष्ठ २४२]

APPEARS IN

फ्रँक Physics Part 2 [English] Class 10 ICSE
पाठ 5 Heat
Exercise 5.2 ii | Q 8 | पृष्ठ २४२

संबंधित प्रश्‍न

Give one example where high specific heat capacity of water is used as cooling purposes?


In an experiment to determine the specific heat capacity of a solid following operations were
made:
Mass of calorimeter + stirrer = x kg
Mass of water = y kg
Initial temperature of water t1℃
Mass of solid = z kg
Temperature of solid = t2 ℃
Temperature of mixture = t ℃
Specific heat capacity of calorimeter and water are c1 and c2 respectively. Express the specific
heat capacity c of the solid in terms of the above data.


Find the time taken by a 500 W heater to raise the temperature of 50 kg of material of specific heat capacity 960 J kg-1K-1, from 18°C to 38° C. Assume that all the heat energy supplied by the heater is given to the material.


What is meant by global warming?


Does the specific heat depend upon the temperature?

The farmers fill their fields with water in winter. Give reason.


A certain amount of heat Q will warm 1 g of material X by 3°C and 1 g of material Y by 4°C. Which material has a higher specific heat capacity?


The molar specific heats of an ideal gas at constant pressure and constant volume are denoted by Cp and Cv respectively. If `gamma = "C"_"p"/"C"_"v"` and R is the universal gas constant, then Cp is equal to ______.


Conductors have generally high specific heat capacities and insulators have low specific heat capacities.


A geyser heats water flowing at a rate of 2.0 kg per minute from 30°C to 70°C. If the geyser operates on a gas burner, the rate of combustion of fuel will be ______ g min-1.

[Heat of combustion = 8 × 103 Jg-1 Specific heat of water = 4.2 Jg-1°C-1]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×