Question

At 25 °C, ether has a heat of

vaporization and vapor pressure of 29.1 kJ/mol

and

70.9 kPa, respectively. HOW DO YOU DO THESE Q? THE ANSWERS ARE BOLDED

a) What is the vapor pressure at-4 °C?

20.0 kPa

b)What is the boiling point of

ether?

58.86o C

2)Ethanol boils at 78.37 °C at atmospheric

pressure.At 19.0°C,ethanol has a vapor

pressure of 40 torr. What is the heat of vaporization of ethanol?

42.35 kJ/mol

At 25 °C, ether has a heat of

vaporization and vapor pressure of 29.1 kJ/mol

and

70.9 kPa, respectively.