Question

explain why specific heat capacity of water is 4200jkg/k

Answer 1

The main reason for this is that water have a lot of hydrogen bonds which takes more  energy to break down. That's  the reason why water have such a high specific heat capacity.  OR you can say that they require more energy to move freely and increase the temperature of the water.

Answer 2

Explanation:

Specific heat capacity is the amount of heat required to rise the temperature of unit mass of the substance through one degree Celsius (or) one Kelvin.

Of all the known substances water has the highest specific heat capacity i.e. 4200jkg/k. Because it can absorb a lot of heat without its temperature going up very much. it also cools down slower than other substances,as it has to lose more heat to cool down. Because of its high specific heat capacity,water is used as a coolant in automobile radiators. It is also used in hot water bottles as it cools down slowly.

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