A0.500-l sample of gas is at a pressure of 625 mm hg. what must the pressure be (in atm), at constant temperature, if the volume is changed to 925 ml?

Since temperature is held constant; Boyle's law can be expressed as: P 1 * V 1 = P 2 * V 2  
Where P1 = 625 and V1 = 0.5 L 
V2 = 925 * 10^(-3) = 0.925 L and P2 = ? 
So P2 = (P1 * V1)/P2 
P2 = (625 * 0.5)/0.925 
P2 = 337.83 my hg

It was ernest rutherford

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