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The vapor pressure of ice at 268 K is 3.90 x 10-3 atm and at 273...

The vapor pressure of ice at 268 K is 3.90 x 10-3 atm and at 273 K, the vapor pressure of ice is 6.00 x 10-3 atm. Calculate the heat of sublimation, ΔHsub of ice in kilojoules per mole.

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