Question

If a liquid sample of naphthalene is heated and remains at 218°C until it is completely vaporized, you know that 218°C is the _____ of naphthalene.

Answer 1

I would guess its melting point but without options I cant be certain, hope this helps.

Answer 2

Answer:

Boiling point

Explanation:

The boiling point of a substance is the temperature at which the pressure of the surrounding and vapor pressure of the substance become equal causing the liquid phase to change into the gaseous phase.

This situation is describing the boiling point of Naphthalene as its liquid state changes to gaseous state.