Chapter 7.6, Problem 7E

(A)

Interpretation Introduction

Interpretation:

The critical temperature and critical pressure of Butane.

Concept Introduction:

The formula to calculate the critical temperature $\left(T_c\right)$.

$T_c=T_b{\left[0.584+0.965{\displaystyle \sum T_b}-{\left({\displaystyle \sum T_b}\right)}^2\right]}^{-1}$

Here, boiling temperature is $T_b$ and the sum of the contributions of boiling temperature groups to the property is ${\displaystyle \sum T_b}$.

The formula to calculate the boiling temperature $\left(T_b\right)$.

$T_b=198.2+{\displaystyle \sum T_b}$

The formula to calculate the critical pressure $\left(P_c\right)$.

$P_c={\left(0.113+0.0032n_a-{\displaystyle \sum P_c}\right)}^{-2}$

Here, number of atoms is $n_a$ and the sum of the contributions of critical pressure groups to the property is ${\displaystyle \sum P_c}$.

(B)

Interpretation Introduction

Interpretation:

The critical temperature and critical pressure of 1-Hexanol.

Concept Introduction:

The formula to calculate the critical temperature $\left(T_c\right)$.

$T_c=T_b{\left[0.584+0.965{\displaystyle \sum T_b}-{\left({\displaystyle \sum T_b}\right)}^2\right]}^{-1}$

Here, boiling temperature is $T_b$ and the sum of the contributions of boiling temperature groups to the property is ${\displaystyle \sum T_b}$.

The formula to calculate the boiling temperature $\left(T_b\right)$.

$T_b=198.2+{\displaystyle \sum T_b}$

The formula to calculate the critical pressure $\left(P_c\right)$.

$P_c={\left(0.113+0.0032n_a-{\displaystyle \sum P_c}\right)}^{-2}$

Here, number of atoms is $n_a$ and the sum of the contributions of critical pressure groups to the property is ${\displaystyle \sum P_c}$.

(C)

Interpretation Introduction

Interpretation:

The critical temperature and critical pressure of 2-chloropentane.

Concept Introduction:

The formula to calculate the critical temperature $\left(T_c\right)$.

$T_c=T_b{\left[0.584+0.965{\displaystyle \sum T_b}-{\left({\displaystyle \sum T_b}\right)}^2\right]}^{-1}$

Here, boiling temperature is $T_b$ and the sum of the contributions of boiling temperature groups to the property is ${\displaystyle \sum T_b}$.

The formula to calculate the boiling temperature $\left(T_b\right)$.

$T_b=198.2+{\displaystyle \sum T_b}$

The formula to calculate the critical pressure $\left(P_c\right)$.

$P_c={\left(0.113+0.0032n_a-{\displaystyle \sum P_c}\right)}^{-2}$

Here, number of atoms is $n_a$ and the sum of the contributions of critical pressure groups to the property is ${\displaystyle \sum P_c}$.

(D)

Interpretation Introduction

Interpretation:

The critical temperature and critical pressure of 3-Hexene.

Concept Introduction:

The formula to calculate the critical temperature $\left(T_c\right)$.

$T_c=T_b{\left[0.584+0.965{\displaystyle \sum T_b}-{\left({\displaystyle \sum T_b}\right)}^2\right]}^{-1}$

Here, boiling temperature is $T_b$ and the sum of the contributions of boiling temperature groups to the property is ${\displaystyle \sum T_b}$.

The formula to calculate the boiling temperature $\left(T_b\right)$.

$T_b=198.2+{\displaystyle \sum T_b}$

The formula to calculate the critical pressure $\left(P_c\right)$.

$P_c={\left(0.113+0.0032n_a-{\displaystyle \sum P_c}\right)}^{-2}$

Here, number of atoms is $n_a$ and the sum of the contributions of critical pressure groups to the property is ${\displaystyle \sum P_c}$.

(E)

Interpretation Introduction

Interpretation:

The critical temperature and critical pressure of 1,3-butadiene.

Concept Introduction:

the formula to calculate the critical temperature $\left(T_c\right)$.

$T_c=T_b{\left[0.584+0.965{\displaystyle \sum T_b}-{\left({\displaystyle \sum T_b}\right)}^2\right]}^{-1}$

Here, boiling temperature is $T_b$ and the sum of the contributions of boiling temperature groups to the property is ${\displaystyle \sum T_b}$.

the formula to calculate the boiling temperature $\left(T_b\right)$.

$T_b=198.2+{\displaystyle \sum T_b}$

Write the formula to calculate the critical pressure $\left(P_c\right)$.

$P_c={\left(0.113+0.0032n_a-{\displaystyle \sum P_c}\right)}^{-2}$

Here, number of atoms is $n_a$ and the sum of the contributions of critical pressure groups to the property is ${\displaystyle \sum P_c}$.