Question

how does the density of water change when :
a)it is heated from 0octo 4oc,
b)it is heated from 4oc to 10oc?
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Answer 1

Explanation:

a) Density increase

b) Density decrease

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Answer 2

Answer:

When water is heated from 0 0C, its volume decreases because its density increases and you can see this effect upto 4 0C. Because the density of ice is maximum at 4 0C. Afterwards as the density decreases the volume increases. The main reason for this is hydrogen bond in ice gets cleaved due to the melting of ice