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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