Question

Boyle's Law

A container holds 500 mL of CO2 at 20° C and 742 torr. What will be the volume of the CO2 if the pressure is increased to 795 torr?

Given:
Unknown:
Formula:
Solution:
Final Answer:​

Answer 1

Convert vol to L

• 500mL=0.5L

Apply Boyles law

• P1V1=P2V2
• 742(0.5)=795V2
• 371=795V_2
• V2=0.467L
• V2=467mL

Answer 2

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• P1=742 torr
• P2=795 torr
• V1=500mL
• V2=?
• T1=20∘C+273=293KT2=20∘C+273=293K

P1V1 = P2V2

V2 =P1V1/P2

=(742×500)/(795) = 467mL CO2