Watercolor Online

Chemistry


Gases

Boyle's Law states that if the amount and the temperature of a gas remain constant, the pressure exerted by the gas varies inversely as the volume. Meaning that in a mathematical form we obtain: Px 1/v Where "x" means "varies with" then P=k/v or PV=K In this particular equation "P" represents the pressure and "V" is the voulme. The "K" is a constant that represents the number of mlecules and the temperature thus, pressure varies inversely with a change in voulme. For exampple if we know the amount of volume a gas uses at one pressure we can use Boyle's Law to calculate the volume it will occupy at a different pressure. If P1 is measured volume, P2 is standard atmospheric pressure and V2 is volume at standard atmospheric pressure then: V1= K/P1 and V2= K/P2

Vocabulary

Solving Mathematical problems

A gas is collected in a 242-cm3 container. The pressure of the gas in the container is measured and determined to be 87.6 KPa. What is the volume of this gas at standard atmospheric pressure.

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