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Chem Notebook COmplete

By: Enmanuel Garrido

By: Enmanuel Garrido

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Combined Gas Law- The law that describes the relationship among the pressure, temperature,<br />

and volume of an enclosed gas, inside a container.<br />

Formula:<br />

Example: A 5.00-­‐L air sample has a pressure of 107 kPa at a temperature of -­‐50.0°C. If the <br />

temperature is raised to 102°C and the volume expands to 7.00 L, what will the new pressure <br />

be? <br />

P 1 : 107 kPa <br />

V 1 : 5.00 L <br />

T 1 : -­‐50.0°C. à 223 K <br />

P 2 : Unknown <br />

V 2 : 7.00 L <br />

T 2 : 102° C à 375 K <br />

107 kPa x 5.00 L<br />

223° K<br />

= P 2 x 7.00 L<br />

375° K<br />

107 kPa x 5.00 L x 375° K = P 2<br />

x 7.00 L x 223° K <br />

107 kPa x 5.00 L x 375° K<br />

7.00 L x 223° K<br />

200625 kPa<br />

1561<br />

= P 2<br />

= P 2 <br />

P 2<br />

=129 kPa

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