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Chemical reactions and equations

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eliebengston
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What is a chemical reaction? A reaction in which something new is created What are some common chemical reactions?
Evidence of a Chemical Reaction: 1- gas production 2- odor 3- color change 4-precipitate (solid) is formed 5- energy change (heats up/cools down)
Chemical Equations Parts: 1- Reactants: chemicals we start with (left of arrow) 2-Products: new chemicals produced from the rxn (right of the arrow) 3-Arrow: means a rxn is taking place 4- Plus sign: separates different chemicals in a rxn H2 + O2  H2O

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Chemical reactions and equations

  • 1.
  • 2. What is a chemical reaction? A reaction in which something new is created What are some common chemical reactions?
  • 3. Evidence of a Chemical Reaction: 1- gas production 2- odor 3- color change 4-precipitate (solid) is formed 5- energy change (heats up/cools down)
  • 4. Chemical Equations Parts: 1- Reactants: chemicals we start with (left of arrow) 2-Products: new chemicals produced from the rxn (right of the arrow) 3-Arrow: means a rxn is taking place 4- Plus sign: separates different chemicals in a rxn H2 + O2  H2O