The final pressure of the 15.0 L balloon contains helium gas at a pressure of 585 mmHg is 510.17 mmHg.
Pressure is the force exerted vertically on an object. This will be solved by Boyle's Law which is a gas law that states the pressure decrease with the increase in the pressure.
Given the volume of the balloon is V1 15.0 L
P1 the pressure is 585 mmHg
The final volume V2 is 17.2 L
By the Boyle's Law
P1V1= P2V2
Putting the value in the equation
585 x 15.0 = P2 x 17.2 = 510.17
Thus, the final pressure of the balloon is 510.17 mmHg.
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