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What are some common mistakes students make with vapor pressure?

Answer 1

Some students are ignorant of the fact that the normal boiling point is itself an expression of vapour pressure.

At temperatures below the normal boiling point, an equilibrium vapour pressure will still function. Of course, at the normal boiling point, the liquid's vapour pressure is 1 atmosphere, and vapour bubbles form directly in the liquid.

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Answer 2

Owen Ambrose

Some common mistakes students make with vapor pressure include:

Confusing vapor pressure with boiling point.
Failing to account for temperature and its effect on vapor pressure.
Misunderstanding the concept of equilibrium between the liquid and vapor phases.
Incorrectly assuming that vapor pressure is solely determined by the type of liquid.
Neglecting to consider the presence of other substances in the solution that can affect vapor pressure, such as solutes in a solvent.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.