Question

A sample of carbon monoxide occupies 1.42 l at 280.0 k and 742 torr. find its volume at −13°c and 448 torr.

Answer 1

Combined gas law:

$\frac{P_{1}V_{1}}{T_{1}} =\frac{P_{2}V_{2}}{T_{2}}$

$\frac{742 torr) * (1.42 L)}{280.0 K} =\frac{(448torr)(V2)}{260.0 K}$

$V_{2} = 2.18 L$