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3. (5 pts) Carbon tetrachloride has a vapor pressure of 11.3 torr at 255 K, and 99,0 torr at 295 K. What is the normal boilin
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3) From Clausius-Clapeyron relation AH vap In 99.0 torr 11.3 torr) 8 15x10 kJ/mol.K 255K 295 K AH vap 2.17 = 92-0 8.315x10- k

1.59 g 4)Mass of CCI, = 225.0 mL x 1.0 mL = 357.8g Moles of CCI. =_357.8g 153.81g/mol = 2.33 mol Heat requied to vaporize 225

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