Free Printable CHEE2015 - Thermodynamic of Mixtures

1.

For the enthalpy (H) vs mole fraction of component A (x_A) diagram, what is the enthalpy of component A?

a)

0 cal/mol

b)

50 cal/mol

c)

85 cal/mol

d)

100 cal/mol

2.

For the enthalpy (H) vs mole fraction of component A (x_A) diagram, what is the enthalpy of component B?

a)

100 cal/mol

b)

85 cal/mol

c)

50 cal/mol

d)

0 cal/mol

3.

For the enthalpy (H) vs mole fraction of component A (x_A) diagram, what is the maximum value of partial molar enthalpy of component A?

a)

50 cal/mol

b)

22 cal/mol

c)

85 cal/mol

d)

100 cal/mol

4.

For the enthalpy (H) vs mole fraction of component A (x_A) diagram, what is the maximum value of partial molar enthalpy of component B?

a)

50 cal/mol

b)

22 cal/mol

c)

85 cal/mol

d)

100 cal/mol

5.

For the enthalpy (H) vs mole fraction of component A (x_A) diagram, what is the enthalpy of mixtures when x_A = 0.5?

a)

30 cal/mol

b)

50 cal/mol

c)

85 cal/mol

d)

100 cal/mol

6.

Enthalpy of binary mixture is given by:

H\ =\ 3n_1^2+4n_2

where H is in kJ. What is the partial molar enthalpy of 5 moles of component 1?

a)

150 kJ

b)

30 kJ

c)

170 kJ

d)

20 kJ

7.

Enthalpy of binary mixture is given by:

H\ =\ 3n_1^2+4n_2

where H is in kJ. What is the partial molar enthalpy of 3 moles of component 2?

a)

12 kJ

b)

4 kJ

c)

27 kJ

d)

18 kJ

8.

The volume change of mixing for binary mixture is given as:
$\Delta_{mix}V=0.5x_1\left(4x_1+10x_2\right)$
where V is in $\frac{m^3}{mol}$ . The molar volume of component 1 and 2 at $x_1=0.4$ are found to be 100 and 150 $\frac{m3^{ }}{mol}$ , respectively.
What is the volume of the mixture if ideal solution is formed?

a)

130 $\frac{m^3}{mol}$

b)

131.52 $\frac{m^3}{mol}$

c)

250 $\frac{m^3}{mol}$

d)

100 $\frac{m^3}{mol}$

9.

The volume change of mixing for binary mixture is given as:
$\Delta_{mix}V=0.5x_1\left(4x_1+10x_2\right)$
where V is in $\frac{m^3}{mol}$ . The molar volume of component 1 and 2 at $x_1=0.4$ are found to be 100 and 150 $\frac{m3^{ }}{mol}$ , respectively.
What is the volume of the mixture?

a)

131.52 $\frac{m^3}{mol}$

b)

130 $\frac{m^3}{mol}$

c)

250 $\frac{m^3}{mol}$

d)

100 $\frac{m^3}{mol}$

CHEE2015 - Thermodynamic of Mixtures

Total questions: 9

Worksheet time: 15mins

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