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What is the Specific Heat Capacity of Melting Ice?

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प्रश्न

What is the specific heat capacity of melting ice?

एका वाक्यात उत्तर
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उत्तर

The specific heat capacity of melting ice is 0.50 cal/g-oC or 2093 J/kg-K.

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पाठ 25: Calorimetry - Short Answers [पृष्ठ ४६]

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एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
पाठ 25 Calorimetry
Short Answers | Q 7.1 | पृष्ठ ४६

संबंधित प्रश्‍न

50 g of metal piece at 27°C requires 2400 J of heat energy so as to attain a temperature of 327°C . Calculate the specific heat capacity of the metal.


Name a liquid which has the highest specific heat capacity.


Write the approximate value of specific heat capacity of water in S.I. unit.


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


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


Name two green house gases ?


Name the radiations for which the green house gases are opaque ?


Discus the role of high specific heat capacity of water with reference to climate in coastal areas.

Does the specific heat depend upon the temperature?

The specific heat of body is 0.2 cal g-1 °C-1. What is the meaning of this statement?

Name the substance that has the maximum value of specific heat.

(b) 2000 J of heat energy is required to raise the temperature of 4 kg of a
metal by 3°c. Which expression gives the specific heat capacity of the metal?


Why do bottled soft drinks get cooled, more quickly, by the ice cubes than by the iced water?

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.


Water boils at 120 °C in a pressure cooker. Explain the reason.


Name the substance which has maximum specific heat capacity.


Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.


Describe a method to determine the specific heat capacity of a solid (say, a piece of copper).


Will the value of specific heat’capacity and specific latent heat of a substance change if the scale is °F instead of °C?


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?


An electric immersion heater is rated 1250 W. Calculate the time in which it will heat 20 kg of water at 5°C to 65°C.


Calculate the ratio of two specific heats of polyatomic gas molecules.  


From the options given below the specific heat of _______ is maximum.


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?

Numerical Problem.

What could be the final temperature of a mixture of 100 g of water at 90 °C and 600g of water at 20°C.


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 ______.


Heat is applied to a rigid diatomic gas at constant pressure. The ratio ΔQ : ΔU : ΔW is ______.


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


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 ______.


Specific heat capacity C =  ______.


Match the following

1. Specific heat capacity a. Dewar bottle
2. Calorimeter b. Lavoisier and Simon
3. Vacuum flask c. J Kg-1 K-1
4. Ice – calorimeter d. Heat capacity

The specific heat capacity of water is ______.


Two cylinders of equal height and radius are made of copper and aluminum. Which of them conducts heat faster?


Match the columns:

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

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:


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