Chemistry High School

What atmospheric pressure would be required for carbon dioxide to boil at a temperature of 20
∘
C ? See the vapor pressure curve for carbon dioxide in the drawing.
5.5×10
6
Pa
7.5×10
6
Pa
3.5×10
6
Pa

Answers

Answer 1

The atmospheric pressure that would be required for carbon dioxide to boil at a temperature of 20 degrees Celsius is [tex]5.5*10^6 Pa.[/tex]

This is because the point at which the vapor pressure curve for carbon dioxide intersects with the 20 degrees Celsius temperature line on the graph is approximately [tex]5.5*10^6 Pa.[/tex]

At this pressure, the boiling point of carbon dioxide is equal to the temperature of the surroundings, which is 20 degrees Celsius.The vapor pressure curve for a substance is a graphical representation of its vapor pressure as a function of temperature.

It shows the pressure at which a liquid will boil at different temperatures. In the case of carbon dioxide, the vapor pressure curve shows that at atmospheric pressure (1 atm), carbon dioxide will only boil at a temperature of -78.5 degrees Celsius.

However, at higher pressures, the boiling point of carbon dioxide increases.

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