How do you calculate boiling point change?

1 Answer
anor277
Jun 4, 2018

You specify a scenario to give us some context for our answer.

Explanation:

We normally quote the "normal boiling point", the which specifies an ambient pressure of 1*atm. And the "boiling point" is that CONDITION of temperature where the VAPOUR PRESSURE of the liquid is equal to the ambient pressure, and bubbles of vapour form directly in the liquid.

And this definition underlies "vacuum distillation" where the PRESSURE is reduced so that an otherwise involatile liquid (i.e. involatile at 1*atm), has a reduced boiling point at the lower pressure.

Anyway, I am still flying blind. You will have to give us some context for the question.

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