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Understanding Chemical Reactions and Products: Exploring Matter Transformation

Learn about the basics of chemical reactions, reactants, and products. Discover how matter transforms and the principles of conservation of matter. Explore examples like the formation of saltwater and the release of gases.

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Understanding Chemical Reactions and Products: Exploring Matter Transformation

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  1. Chemical Reactions Reactants and Products

  2. What we know so far… • We know about matter, atoms, elements, and compounds • We know that the difference between a mixture and a compound. • We know that when we combine chemicals, that some sort of change happens within the substance. • Now we will figure out what is really going on!

  3. Favorite Example: Making salt water Water + sodium chloride water + sodium + chloride H2O + NaCl H2O + Na + Cl Reactants Products Two sides to a chemical reaction

  4. Law of Conservation of Matter Matter is never created nor destroyed in a chemical reaction. The same amount of material you start with, you end with in a chemical reaction, just in different forms. H2O + NaCl H2O + Na + Cl Separate into individual elements on each side H 2 H 2 O 1 O 1 Na 1 Na 1 Cl 1 Cl 1

  5. Precipitate: is formed whenever a solid substance is formed

  6. Formation of a gas When chemicals mix, sometimes gases are formed. Mixing baking soda and vinegar releasing carbon dioxide When chemicals mix, sometimes gases are formed. Water and Dry Ice releasing carbon dioxide

  7. Color Change

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