Use R=8.3 J/mol-K wherever required. Using figure of the text,

Question:

Use $\mathrm{R}=8.3 \mathrm{~J} / \mathrm{mol}-\mathrm{K}$ wherever required.

Using figure of the text, find the boiling point of methyl alcohol at $1 \mathrm{~atm}(760 \mathrm{~mm}$ of mercury) and at $0.5$ atm.

Solution:

At pressure of $760 \mathrm{~mm}$ we drop perpendicular on temperature axis, So, $\mathrm{T}=65^{\circ} \mathrm{C}$ Similarly, at $0.5$ atm, $T=48^{\circ} \mathrm{C}$

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