A sample of nitrogen has a volume of 880 mL and a pressure of 740 torr. What pressure will change the volume to 550 mL at the same temperature?

1 Answer
Meave60
Mar 23, 2015

The new pressure will be 1200 torr.

You will need to use Boyle's law to solve this problem. The equation to use is:

#P_1V_1 = P_2V_2#

#P_1 = 740 "torr"#
#V_1 = 880 mL#
#V_2 = 550 mL#
#P_2 = ?#

#P_2 = (P_1V_1)/V_2 = (740 "torr" · 880 mL)/(550 mL) = 1184 "torr" = 1200 "torr"# (rounded to 2 sig figs)

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