Question

what happend when anhydrous copper sulphate is moistened with water ?

Answer 1

Explanation:

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The reaction between anhydrous copper(II) sulfate and water is used as a test for water. The white solid turns blue in the presence of water. The backward reaction is exothermic - energy is transferred to the surroundings when it happens.

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Answer 2

The backward reaction is exothermic - energy is transferredto the surroundings when ithappens. This is easily observed. When water is added to anhydrous copper sulfate, enough heat is released to make the water bubble and boil.

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