Henry’s law

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HENRY’S LAW BY: GRA CE ELERI CK

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Henry’s law. By: grace elerick. P = K h C Equation! . P = solute vapor pressure. K h = Henry’s law constant which is different for each solute-solvent pair. C = the solute concentration . - PowerPoint PPT Presentation

Transcript of Henry’s law

Page 1: Henry’s law

HENRY’S LA

W

B Y : GR A C E E

L E R I CK

Page 2: Henry’s law

P = KHC EQUATION! P = solute vapor pressure.

Kh = Henry’s law constant which is different for

each solute-solvent pair.

C = the solute concentration.

"At a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial

pressure of that gas in equilibrium with that liquid.”

In English: The more pressure that’s put on a solution, the more gas that can be dissolved in a liquid. Lessening the pressure causes that gas to come out of the liquid.

William Henry

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REAL LIFE EXAMPLEOpening a new bottle or can of pop and the resulting “fizz” can be

explained by Henry’s law. While the container is closed, the carbon dioxide has had time to become soluble in the liquid portion. Opening the container causes the pressure to be lessened which makes the carbon dioxide less soluble. The bubbles result because the carbon dioxide is un-dissolving itself.

Page 4: Henry’s law

The End!


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