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Question
Define the term 'specific heat capacity' and state its unit.
Solution
Specific heat capacity is the amount of heat required to raise the temperature of 1 kg of the substance by 1oC.
Units: j/kgK or calorie/g oC
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RELATED QUESTIONS
What do you understand by the following statements:
The specific heat capacity of lead is 130 Jkg-1K-1.
What is the specific heat capacity of melting ice?
A liquid X has specific heat capacity higher than the liquid Y. Which liquid is useful as coolant in car radiators.
Name the substance which has maximum specific heat capacity.
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
Explain why the specific heat capacity at constant pressure is greater than the specific heat capacity at constant volume.
Match the following:
| Column A | Column B | ||
| 1. | Specific heat capacity of water | a. | 0°C |
| 2. | Latent heat of fusion of ice | b. | 2260 J/g |
| 3. | Latent heat of vaporization of water | c. | 100°C |
| 4. | The melting point of iced | d. | 4.2 J/g°C |
| 5. | The boiling point of water | e. | 336 J/g |
To study energy exchange between hot and cold objects, the system of both objects is isolated from the environment by keeping them inside ______.
Find the odd one out:
