Interpretation:
The energy conversions in burning candle are to be explained.
Concept introduction:
Energy conversions occur according to law of conservation of energy.
According to it, whenever one form of energy is lost, it appears in another form of energy.
Answer to Problem 9SSC
When candle is burnt, the chemical potential energy in the wax is converted into light and heat.
Explanation of Solution
Chemical potential energy contained in the candle is converted into some amount of light and rest as heat. That’s why glow and heating effect is produced.
Thus, chemical combustion takes place and light is produced when the candle is lit.
Chapter 15 Solutions
Chemistry: Matter and Change
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