Gas Law Examples and Gas Law Practice Problems
<h1>Ideal Gas Law Examples</h1>
<p><strong><em>ex: </em></strong>A sample of H₂ gas occupies a volume of 8.56 L at a temperature of 0°C and a pressure of 1.5 atm. How many moles of hydrogen are present?<br />
________<br />
<strong><em>answer:</em></strong></p>
<p>➞ <strong>PV = nRT</strong> ➞ n = PV / RT</p>
<p>➞ n = (1.5 atm) (8.56 L) <strong>/</strong> (0.0821 L.atm/K.mol) (273 K)</p>
<p>➞ <strong>n = 0.57 mol H₂</strong></p>
<p>Here’s the same answer, but with an easy-to-follow flow…</p>
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