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Ideal Gas Law. Static Gas Conditions. Ideal gas law shows the relationship between pressure, volume, temperature, and number of moles in a gas If you know any three variables, you can find the fourth. PV = nRT. P – pressure (in atm) V – volume (in L) n – number of moles
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Static Gas Conditions • Ideal gas law shows the relationship between pressure, volume, temperature, and number of moles in a gas • If you know any three variables, you can find the fourth
PV = nRT • P – pressure (in atm) • V – volume (in L) • n – number of moles • T – temperature (in K) • R – Ideal Gas Constant = .0821 L atm/ mol K
Example 1 • What pressure, in atm, is exerted by .500mole of N2 in a 10.0 L container at 25°C?
Example 2 • What is the volume of .250 mole of oxygen at 20°C and 740 mmHg?
Example 3 • What mass of chlorine gas is contained in a 10.0L tank at 27°C and 3.50 atm?
Example 4 • What volume will 4.0g of hydrogen gas occupy at 25°C and 750 mmHg?