Tie_Dyeing_Instructions

Tie_Dyeing_Instructions - Chemistry is Everywhere...

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Chemistry is Everywhere! Introduction: Everything we do, from digesting our food to making art, involves chemistry. Everything is made of chemicals! Today, we are going to learn about how chemistry is involved in tie dying. First we need to understand a few things about dyes and how they react.
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Chemical or Physical Change Some dyes, such as the kind that you can buy in the grocery store, really just stain clothes, so the dye washes out a little every time you wash the cloth. Is this a chemical or physical change?____________ Explain your answer: PHYSICAL No new substances are formed. Chemicals not bonded together
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Bonding of Dye Molecules A really good dye actually attaches to the molecules of the fabric (this is known as _______________________________.) The dye will not wash out. Is this a chemical or a physical change?_________ Explain your answer: BONDING CHEMICAL A new substance is formed different from the original substances—different chemical properties
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Structure of Dye Molecules: The dye molecules are made out of atoms of different elements such as C (_______________), H (_______________), O (_________________), S (____________________), N (__________________), Cl (____________________), and Na (___________________) for example. sodium hydrogen oxygen sulfur nitrogen chlorine carbon
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Bonds and Structure These atoms are held together by chemical bonds and are arranged in different structures. Different dye
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This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

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Tie_Dyeing_Instructions - Chemistry is Everywhere...

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