Question

what happens to boiling point of water when urea is added?​

Answer 1

Answer:

an aqueous solution has higher boiling point and lower freezing point than does pure water. if thee solution is not too concentrated , theese two effects are approximately independent of what the dissolved substance is : a urea molecule has much the same effect as a salt ion.

Explanation:

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Answer 2

The Boiling Point Of Water When Urea Is Added Increases.

• The Boiling Point of any liquid is the temperature at which its vapour pressure is proportional to the atmospheric pressure. Water boils at 100°C because, at this temperature, the vapour pressure of water is proportional to the atmospheric pressure (1.013 bar).

• However, the vapour pressure of a liquid drops in the existence of a non-volatile solute like urea. So that the vapour pressure of the solution attains the atmospheric pressure, it is required to raise the temperature beyond the normal boiling temperature of pure water. Hence, the boiling temperature of a solution (water and urea) is always higher than that of a pure solvent (water).

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