Sodium Polyacrylate Mixed With Water

May 6th, 2015
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Virginia State University
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The Science: Sodium polyacrylate acts like a sponge and absorbs moisture. When mixed with water, the compound actually turns into a solid gel. Once the sodium polyacrylate forms a gel, the water is no longer liquid and can’t pour out.

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The Science:This experiment is often used as a fun science demo for kidsIt is called Elephants Toothpaste.Hydrogen peroxideis catalytically decomposed by the potasium iodide. By the idodide ion, actually.Oxygen gasis rapidly formed. You put a squirt of dish soap and a drop of food coloring into 50 mL of 30% hydrogen peroxide Then when you add 1 or 2 grams of potassium iodide the released oxygen gas is trapped in soap bubbles you get a huge amount of foamy suds!!!The reaction sequence is as followsH202 (aq) + I- (aq) > H20 (l) + OI- (aq)H202 (aq) + OI- (

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