and liquid? pressure (atm) gaseous sample of X is observed to condense? Along which line would a sample of pure X be a mixture of solid Which line must the temperature and pressure have crossed if a gaseous sample of X is observed to condense into a solid? Which line must the temperature and pressure have crossed if a temperature K [I] OG Oc OA OG OE Oc OA OG OE Oc H F O OD OH D