हिंदी

State Whether Heat Energy is Absorbed Or Released During Freezing of Ice.

Advertisements
Advertisements

प्रश्न

State whether heat energy is absorbed or released during freezing of ice.
एक पंक्ति में उत्तर
Advertisements

उत्तर

Heat energy is released during freezing of ice.
 
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Heat - Exercise 5.2 ii [पृष्ठ २४२]

APPEARS IN

फ्रैंक Physics Part 2 [English] Class 10 ICSE
अध्याय 5 Heat
Exercise 5.2 ii | Q 3 | पृष्ठ २४२

संबंधित प्रश्न

Calculate the mass of ice needed to cool 150 g of water contained in a calorimeter of mass 50 g at 32 °C such that the final temperature is 5 °C. Specific heat capacity of calorimeter = 0.4 J g-1 °C-1, Specific heat capacity of water = 4.2 J g-1°C-1, latent heat capacity of ice = 330 J g-1.


How much heat energy is released when 5.0 g of water at 20℃ changes into ice at 0℃? Take specific heat capacity of water = 4.2 J g-1 K-1, Specific latent heat of fusion of ice = 336 J g-1.


What impact will global warming have on the health of the affected population?


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

Write down the relation between specific heat and heat capacity.

Why is specific heat capacity taken as a measure of thermal inertia?


Answer the following question.

Why do we generally consider two specific heats of a gas?


The cold object the hot object enclosed in one box of heat-resistant material.

  1. What changes will occur in the two objects when temperature flows from those objects?
  2. Which principle can show that the energy exchange takes place between two objects only when kept in isolated system?

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 ______


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

If the mass ratio of metal A and metal B is 3:5 then calculate the ratio in which their temperatures rise.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×