Quiz

1.

Virial expansion works for (check all that apply):

(a)

gases

(b)

liquids

(c)

solids

(d)

high density

(e)

low density

2.

At high temperatures B(T) will be larger for

(a)

Larger molecules

(b)

Smaller molecules

3.

At high density pressure and free energy in van der Waals equation behave as:

(a)

$P\to\mathit{const}$, $A\to\mathit{const}$

(b)

$P\to\infty$, $A\to\mathit{const}$

(c)

$P\to-\infty$, $A\to\mathit{const}$

(d)

$P\to\mathit{const}$, $A\to\infty$

(e)

$P\to\infty$, $A\to\infty$

(f)

$P\to-\infty$, $A\to\infty$

(g)

$P\to\mathit{const}$, $A\to-\infty$

(h)

$P\to\infty$, $A\to-\infty$

(i)

$P\to-\infty$, $A\to-\infty$

4.

In Boyle point the following is correct (assuming that third and higher virial terms are negligible):

(a)

PV > NkT

(b)

PV = NkT

(c)

PV < NkT