At 1 atm pressure, Substance E boils at - 50. degree C and Substance F boils at

Question

At 1 atm pressure, Substance E boils at - 50. degree C and Substance F boils at - 87 degree C. Which has a higher enthalpy of vaporization? Substanc E Substance F Neither, E and F have the same enthalpy of vaporization. It's impossible to know without more information. At 17 degree C, substance C has a vapor pressure of 125. torr and Substance D has a vapor pressure of 115. torr Which has a higher boiling point? Substance C Substance D neither, C and D have the same boiling point. It's impossible to know without more information. The enthalpy of vaporization of Substance A is bigger than that of Substance B. Which has the higher boiling point? Substance C Substance D neither, C and D have the same boiling point. It's impossible to know without more information.

Explanation / Answer

Ethalpy of vaporization is increases boiling point is increases.

1. E substance

   E substance has high boiling point and it's high ethalpy of voporization

2. vapour pressure is increases boiling point is increases.

C substance

    C substance has high vapour pressure and it has high boiling point.

3. A substance

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