Substance $Z$ is at 0.5 $a t m$ and 200 $K$ . If the pressure on substance $Z$ is steadily increased and its temperature is kept constant, what phase change will eventually occur?

Condensation

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Freezing

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Melting

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Sublimation

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Vaporization

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Solution

The correct option is C Melting
If the pressure on substance $Z$ is steadily Increased and its temperature is kept constant, then point moves vertically and cuts $b d$ line at point $P$ so it is a melting process.

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Substance Z is at 0.5 atm and 200 K. If the pressure on substance Z is steadily increased and its temperature is kept constant, what phase change will eventually occur?

The correct option is C MeltingIf the pressure on substance Z is steadily Increased and its temperature is kept constant, then point moves vertically and cuts bd line at point P so it is a melting process.

Substance $Z$ is at 0.5 $a t m$ and 200 $K$ . If the pressure on substance $Z$ is steadily increased and its temperature is kept constant, what phase change will eventually occur?

The correct option is C Melting
If the pressure on substance $Z$ is steadily Increased and its temperature is kept constant, then point moves vertically and cuts $b d$ line at point $P$ so it is a melting process.