24.05.2017 Views

Chem Notebook COmplete

By: Enmanuel Garrido

By: Enmanuel Garrido

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Ideal Gas Law: The gas law that includes all four variables-P, V, T, and n, (Pressure, Volume,<br />

Temperature, and number of moles) and their relationships inside a container.<br />

Formula: <br />

PV = nRT <br />

Example: What pressure will be exerted by 0.450 mol of a gas at 25°C if it is contained in a <br />

0.650-­‐L vessel? <br />

Pressure: unknown <br />

Volume: 0.650-­‐L <br />

Number of moles (n): 0.450 mol <br />

R: 8.31 <br />

Temperature: 25°C à 298 K <br />

P = n × R ×T<br />

V<br />

/L •kPa<br />

0.450 mol ×8.31<br />

P =<br />

K • mol × 298 K<br />

0.650 L<br />

P = 1,114.371kPa<br />

.650<br />

P =1, 714.41692kPa<br />

P =1.71×10 3 kPa

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