Question

A gas occupies a volume of 584 mL at a pressure of 770 mm of Hg.  When the pressure is changed, the volume becomes 603 mL  If the temperature stays constant, what is the new pressure in mm of Hg?

Answer 1

$P_1V_1=P_2V_2$

$770×584= 603P_2$

$P_2=\frac{770×584}{630}=$ 713.77 mm of Hg