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This reaction is of calcium chloride and baking soda. In the end of this chemical reaction a precipitate is formed. It makes a sodium bicarbonate.

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Calcium chloride, baking soda, water reaction

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Salt is made from the chemical reaction of sodium and chlorine. The compound sodium chloride is what makes up salt and is exothermic.

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The ice pack is also a change in temperature. Once you break and shake it, it turns cold. The reaction when you use a ice pack is endothermic.

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This is a video of wood burning. This reaction is exothermic because it is giving off heat. When the wood burns it gives off heat, energy and carbon dioxide.

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Beautiful Wood-burning Fireplace Yule Log Video

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When cooking bacon it produces a very good smell. That chemical reaction is endothermic because it is absorbing the heat. It gives off such a good smell because of Maillard Reaction. The maillard reaction is a chemical reaction between amino acids and reducing sugars that gives browned food its distinctive flavor.

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This is a video of alka seltzer and water. You can see the fizzing (effervesce) when the tablet hits the water. The reaction is exothermic because it is giving of heat. In result of this carbon dioxide is made.

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How temperature effects the rate of a chemical reaction using the simple reaction of Alka Seltzer and water. Trials are done at room temperature, approx 0 degrees C and approx 60 degrees C. Also a guest appearance by J$$$. Background music is Gangnam Style by PSY.

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A new substance is formed when Iron and Oxygen mix. This chemical reaction results in the precipitate of rust. The rust is formed over time by the iron and oxygen mixing.

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This is a video of lead nitrate and potassium iodide chemical reaction. This reaction created a precipitate. The precipitate is lead iodide. This reaction is endothermic because it is absorbing heat.

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Combustion is the act of burning something. Combustion is exothermic because it is giving off heat. A couple of things can happen during combustion. It releases oxygen heat and energy! Ash and coal is one of the new substances formed.

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This video is a chemical reaction between a sugar solution and potassium permanganate. Once the potassium permanganate is mixed with the solution it turns multiple different colors. A new substance called manganese dioxide (MnO2) is formed from this reaction.

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Video Lab: Chemical reaction: Change in Color

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This is a video of someone burning sugar. This is a chemical reaction because it gives off an aroma. After the reaction the sugar is burnt to a solid. The reaction is exothermic because it is giving off heat.

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This is a video of the chemical reaction involving baking soda and vinegar. A gas is created called carbon dioxide which is also an effervescence. The chemical reaction is endothermic because it absorbs heat.

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The reaction of Baking Soda and Vinegar http://sciencexplained.110mb.com/