# Question 92355

May 29, 2016

$0.2$ $a t m$

#### Explanation:

${P}_{1} = 1$ $a t m$, ${V}_{1} = 400$ $m l$ = $0.4$ $L$, ${V}_{2} = 2$ $L$, P_2 = ?#

We know the formula,
${P}_{1} {V}_{1} = {P}_{2} {V}_{2}$

$1 \times 0.4 = 2 \times x$

$0.4 = 2 \times x$

$x = \frac{0.4}{2}$

$x$ i.e. ${P}_{2} = 0.2$ $a t m$