To solve this problem, we can use Boyle's Law, which states that the pressure and volume of a gas are inversely proportional when the temperature is held constant.
According to Boyle's Law:
P1 * V1 = P2 * V2
Where: P1 = Initial pressure V1 = Initial volume P2 = Final pressure (unknown) V2 = Final volume
Given: P1 = 1120 torr V1 = 2.9 L V2 = 4.35 L
Substituting these values into the equation, we have:
1120 torr * 2.9 L = P2 * 4.35 L
Now, we can solve for P2 by rearranging the equation:
P2 = (1120 torr * 2.9 L) / 4.35 L
P2 ≈ 747.82 torr
Therefore, the new pressure is approximately 747.82 torr when the volume is increased to 4.35 L at constant temperature.