8 If the initial pressure of a 2.00 L gas sample is 2.50 atm, what will the pressure be if the volume is changed to 3.00 L at constant temperature?​

1.67 atm

Explanation:

Boyle's Law relates pressure and volume with the following equation:

We are given 3 of the four variables in the equation, and are asked to find the final volume. Therefore:

P1 = 2.50 atm

V1 = 2.00 L

P2 = ???

V2 = 3.00 L

We substitute our variables into the equation and solve for our unknown:

(2.50atm)(2.00L) = (P2)(3.00L)

(2.50atm)(2.00L)/(3.00L) = (P2)

5/3 = 1.67atm

This supports Boyle's Law, which tells us that pressure and volume of a gas are inversely proportional. The volume increased by 1/3, so the pressure decreased by 1/3.

1 is the answer to this problem