Can someone please answer this

Question

closed container in lab contains a sample of nitrogen gas. When the temperature in lab is 46.4 °C, the pressure in the container is 607.3 torr. What would the pressure be if the temperature dropped to 12.8 °C? Assume the volume of the container is constant. 

initial temperature  __________°C

final temperature _____________°C

initial pressure___________ torr

final pressure _____________ torr

Answer 1

Use Ideal gas law PV/T=constant thus P₁V₁/T₁=P₂V₂/T_2. Since volume is constant V₁=V₂ and the equation becomes P₁/T₁=P₂/T₂. Rearrange to show P₁T₂/T₁= P₂. Temperatures must be in absolute thus T₁=46.4+273.2=319.6 K and T₂=12.8+273.2= 286K. Solve to find P2= 607.3*286/319.6= 543.5 torr