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Question
Give one example where high specific heat capacity of water is used as heat reservoir ?
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Solution
To avoid freezing of wine and juice bottles.
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What is meant by specific heat capacity?
m kg of a substance of specific heat capacity s J/kg °C is heated so that its temperature rises from θ1°C to θ2°C. Write down the expression for the heat Q supplied.
Write an expression for the heat energy liberated by a hot body.
Derive an expression for finding out the specific heat capacity of a body (solid) from the readings of an experiment given below:
(i) Mass of empty calorimeter (with stirrer) = m1 gm
(ii) Mass of the metal piece = M gm
(iii) Mass of colorimeter and water = m2 gm
(iv) Initial temperature and water = t1°C
(v) Temperature of hot solid (metal piece) = t2 °C
(vi) Final temperature of the mixture = t°C
(vii) Specific heat of calorimeter = 0.4 J gm / °C
Express the change in internal energy in terms of molar specific heat capacity.
J/Kg °C is the unit of specific heat capacity.
A metal ball of heat capacity 50J/°C loses 2000 J of heat. By how much will its temperature fall?
Match the columns:
| Column ‘A’ | Column ‘B’ |
| The SI unit of specific heat capacity | (a) Jkg−1°C−1 |
| (b) kg/m3 | |
| (c) calorie |
The specific heat capacity of ______ is maximum.
