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saveliy_v [14]
3 years ago
8

Choose the substance with the lowest vapor pressure at a given temperature.

Chemistry
1 answer:
madam [21]3 years ago
4 0
Vapor pressure is inversely proportional to a substance's boiling point. So it means the one with lowest vapor pressure has the highest boiling point. CO2, BF3, He, and PF5 are non-ionic compounds (not to mention gases) so that they have (somewhat) low boiling points. BeCl2 is the answer because it has the highest boiling point at 482°C .
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