paulstanley2127 paulstanley2127
  • 15-07-2021
  • Chemistry
contestada

The boiling point of a substance is known to be 293°C. What is the vapor pressure of that substance at 220°C?

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almatheia almatheia
  • 17-07-2021

Explanation:

The boiling point of a substance is 293°C.

The boiling point is the temperature at which the vapor pressure of a liquid becomes equal to the atmospheric pressure.

So, at the boiling point:

The vapor pressure =atmospheric pressure = 1 atm.

To get the vapor pressure of the substance at 220°C is definitely less than 1 atm.

Since, as the temperature increases, the vapor pressure of the liquid increases.

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