Calculation of volume after phase change

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To calculate the volume of a gas at a specific temperature compared to its liquid volume below the boiling point, the ideal gas law (PV = nRT or PV = NkBT) can be applied. The number of moles (n) or molecules (N) can be determined using the liquid's volume and density. This approach allows for the estimation of gas volume under ideal conditions without needing a phase diagram for the material in question.
spiri
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Folks,

It's been a while since I've done calculations like this so I was wondering if someone can help me calculate the volume of a gas at a specific temperature as compared to its liquid volume when measured below its boiling point. I can't seem to find a phase diagram for this material, is there a way to calculate it?

John
 
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Assume that the gas is ideal, and use the ideal gas law ##PV = N k_\mathrm{B} T## (or ##PV = n R T##) to find the volume. To know ##N## (##n##), you can use the volume of the liquid and its density.
 
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