1. By using the Clausius-Clapeyron equation, lnP=??HvapRT+C, derive the relationship between the vapor pressures, P1 and...

1. By using the Clausius-Clapeyron equation, lnP=??HvapRT+C, derive the relationship between the vapor pressures, P1 and P2, and the absolute temperatures at which they were measured, T1 and T2.

Express your answer in terms of T1, T2, ?Hvap, and the gas constant R.

ln(P1/P2)=

2.

Gasoline is a mixture of hydrocarbons, a major component of which is octane, CH3CH2CH2CH2CH2CH2CH2CH3. Octane has a vapor pressure of 13.95 torr at 25?C and a vapor pressure of 144.78 torr at 75?C. Use these data and the equation in part (a) to calculate the heat of vaporization of octane.

Express your answer using two significant figures.

3.

By using the equation in part (a) and the data given in part (b), calculate the normal boiling point of octane.

Express your answer using three significant figures.

4.

Calculate the vapor pressure of octane at 29?C.

Express your answer using two significant figures.

Please show me how to solve for these. I have a 100 more and just need to see how one is done

Expert Solution

queen_honey_blossom answered 3 months ago

Derive Clapeyron equation and Clausius modification for liquid-vapor equilibrium conditions.

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