A sample of CO2 gas fills a container with a volume of 44.5 L. When the volume is decreased to 13.8 L at a constant temperature, the pressure inside the container is 6.25 atm. What was the pressure inside the container originally? A) 0.035 atm
B) 0.51 atm
C) 1.94 atm
D) 3.84 atm
E) 6.25 atm

I know the answer is C but I need the work. Everytime I do it, I get confused. Thanks!

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Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next