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Zachary Lopes - Chemistry Finals Comic Strip

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Zachary Lopes - Chemistry Finals Comic Strip
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Texte du Storyboard

  • Glisser: 1
  • LAW OF CONSERVATION OF MASS CHEMICAL REACTIONS
  • Glisser: 2
  • "Let's start with a simple reaction. Here we have vinegar (acetic acid) and baking soda (sodium bicarbonate)."
  • "What happens when we mix them?"
  • Vinegar
  • Baking Soda
  • Glisser: 3
  • "Watch closely as we mix them."
  • Vinegar
  • Baking Soda
  • Glisser: 4
  • "That's carbon dioxide gas being released. But did the total mass change?"
  • "Wow, look at all those bubbles!"
  • Baking Soda
  • Glisser: 5
  • "Today, we're going to learn about chemical reactions and the law of conservation of mass."
  • LAW OF CONSERVATION OF MASS
  • "The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction."
  • "The mass of the reactants equals the mass of the products."
  • Glisser: 6
  • Vinegar + Baking Soda → Carbon Dioxide + Water + Sodium Acetate
  • "In our reaction, vinegar and baking soda are the reactants."
  • "They produce carbon dioxide, water, and sodium acetate as products."
  • Glisser: 7
  • CHEMICAL EQUATION:
  • NaCHO3 + HC2H3O2 → NaC2H3O2 + CO2 + H20
  • "Let's balance the equation."
  • "So, the number of atoms of each element is the same on both sides?"
  • Glisser: 8
  • CHEMICAL EQUATION:
  • NaCHO3 + HC2H3O2 → NaC2H3O2 + CO2 + H20
  • "Exactly! Remember, in every chemical reaction, the total mass of the reactants equals the total mass of the products."
  • "That makes sense now. Thanks, teacher!"
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