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Answer to Question #71688 in General Chemistry for nikki
Question #71688
Predict which of the following substances would have the lowest vapor pressure at 25°C.
Br2
I2
Cl2
Br2
I2
Cl2
Expert's answer
The vapor pressure of the simple substances depends on molecular weight.
(If there is no intermolecular bonds)!
The more molecular weight - the lower vapor pressure.
So, the lower pressure has I2.
By the way, at normal conditions:
Cl2 - gas
Br2 - liquid
I2 - solid
Because of described above.
So the answer is I2
(If there is no intermolecular bonds)!
The more molecular weight - the lower vapor pressure.
So, the lower pressure has I2.
By the way, at normal conditions:
Cl2 - gas
Br2 - liquid
I2 - solid
Because of described above.
So the answer is I2
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