Interpretation:
The mathematical formula used to calculate the amount of heat absorbed or released by a substance when its temperature changes is to be explained.
Concept introduction:
The heat absorbed or released by a substance is dependent on three factors:
- The mass of the substance.
- The nature of the substance, its specific heat capacity.
- The change in temperature of the substance.
The unit of heat is Joules (J), specific heat capacity is J/(kg degree Celsius), and that of mass is kg.
Answer to Problem 16SSC
The mathematical formula to calculate the heat absorbed or released by a substance when the temperature changes is,
Where,
Explanation of Solution
Imagine
The heat absorbed will be,
Here,
So,
This explains the use of the formula.
The mathematical formula to calculate the heat absorbed or released by a substance when its temperature changes is,
Chapter 15 Solutions
Chemistry: Matter and Change
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