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JulijaS [17]
3 years ago
13

What pressure (in atmospheres) does a gas exert when at 385 mm of Hg?

Chemistry
1 answer:
Westkost [7]3 years ago
6 0
To find out the pressure in atm. You must divide 385 by 760. So pressure in atmospheres equals 385/760.
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Standard atmospheric pressure is 760 mm Hg. Boiling point at 760 mm= 80.74˚C  

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As the atmospheric pressure decreases, less vapor pressure is needed to cause the liquid to boil. Less vapor pressure means lower temperature.  

The boiling point of cyclohexane at 620 mm Hg is less than 80.74˚C



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