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Under the same heating conditions same power element same volume etc can water be heated to 100 degree's C faster at 2 bar pressure than at 1 bar or does it take the same time?
Wiki User
∙ 13y ago
It takes the same time. However, at a pressure of 2 bar (higher pressure), the water will not boil at 100oC. This is because boiling occurs at that temperature for which the saturated vapour pressure of the liquid is equal to external pressure. Since the external pressure has been increased, a higher temperature is required to make the vapour pressure of the liquid become equal to the external pressure. Hence, the boiling point increases.
Wiki User
∙ 13y ago
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