ColligativePres5Web

ColligativePres5Web - Introduction to...

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Introduction to Colligative (collective) Properties Goal 1: Get in the way Goal 2: Create Disorder or When quantity not quality is the only thing that matters.

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An ice storm is coming. Your car’s radiator has no antifreeze in it; all stores are closed, and you’ve got to use whatever you have around the house to save your car’s engine. Also remember the motto for Colligative Properties Getting in the way is Good, Creating Disorder is Better It would be ideal to have antifreeze (ethylene glycol) but remember it’s quantity not quality that counts here.
The next morning you wonder if what you did The next morning you wonder if what you did saved you thousands of dollars on a new engine. saved you thousands of dollars on a new engine. Rule one: What you add has to dissolve in water. Rule one: What you add has to dissolve in water. Rule two: If you add a solid that dissolves in Rule two: If you add a solid that dissolves in water, it doesn’t matter what it is, just the amount. water, it doesn’t matter what it is, just the amount. Rule three: Just like antifreeze, your goal is to Rule three: Just like antifreeze, your goal is to replace about ½ of the water with a solid or liquid replace about ½ of the water with a solid or liquid that is miscible with water. that is miscible with water. Examples 1: Sugar, salt, baking soda, shampoo, Examples 1: Sugar, salt, baking soda, shampoo, laundry detergent, pancake syrup. laundry detergent, pancake syrup. Examples 2: Rubbing alcohol, brake fluid Examples 2: Rubbing alcohol, brake fluid

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Again, it seems odd that the chemical nature of these Again, it seems odd that the chemical nature of these different compounds are not a factor in regards to how different compounds are not a factor in regards to how
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ColligativePres5Web - Introduction to...

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