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PHYSICS

JAMB 2019 - Question 6

Physics 2019 JAMB Past Questions - Question 6: A vapour is said to be saturated when

Choose the correct answers from the options given.

A vapour is said to be saturated when

A: more molecules return to the liquid than leave it

B: the vapour pressure is atmospheric

C: a dynamic equilibruim exist between the liquid molecules and the vapour molecules given the temperature

D: the temperature of the vapour varies

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Correct Answer

Explanation

A vapor is said to be saturated when it is in equilibrium with its own liquid phase at a given temperature and pressure. In other words, a saturated vapor is a vapor that contains the maximum amount of vapor molecules that can exist in equilibrium with the liquid phase at a specific temperature and pressure. Any additional increase in temperature or pressure would result in the vapor becoming superheated or supersaturated.