Answer
$438$ $mm$ $Hg$
Work Step by Step
Write down the known and unknown quantities. Use Boyle's Law to find the unknown final pressure.
$P_{1}= 735 mm Hg$
$V_{1}= 5.6 L$
$V_{2}= 9.4 L$
$P_{2}= ?$
$P_{2}$$=$$\frac{P_{1}V_{1}}{V_{2}}$
$=$ $(735 mm Hg\times5.6L)\div9.4 L$
$=$ $438$$mm$$Hg$
