The estimated heat of vaporization of diethyl ether using the chen's rule is a. 29.7 kj/mol b. 33.5 kj/mol c. 26.4 kj/mol d. 36.8 kj/mol

C. 26.4 kJ/mol

Explanation:

The Chen's rule for the calculation of heat of vaporization is shown below:

Where,

is the Heat of vaoprization (J/mol)

is the normal boiling point of the gas (K)

is the Critical temperature of the gas (K)

is the Critical pressure of the gas (bar)

R is the gas constant (8.314 J/Kmol)

For diethyl ether:

Applying the above equation to find heat of vaporization as:

The conversion of J into kJ is shown below:

1 J = 10⁻³ kJ

Thus,

Option C is correct

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