The Wonders of Chemistry pt 1

The Wonders of Chemistry pt 1

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  • I can't sleep, I can't stop thinking about the wonders of chemistry
  • Jack, you're six
  • Will you pleeeeeeeease tell me about it?
  • I guess so. Let's start with the Law of Conservation of Mass.
  • Today's lesson: Chemical Equasions
  • The law of conservation of mass states that mass is neither created, nor destroyed
  • Today's lesson: Chemical equations
  • One method is systems of equations, and the other is more trial and error.
  • This law helps you balance chemical equations. You can balance them in two different ways.
  • The steps to trial and error are on the board.
  • Trial and error Step 1: write down all the elements in the equation on both sides step 2: write the amount of each element there is. do this on both sides the equation Step 3: add coefficients to elements to make the equation have the same amount of each element on both sides.
  • H2 + O2 -> H2O H-2 H-2 O-2 O-1
  • If you apply this to balancing an equation, this is what is should look like
  • 2H2 + O2 -> 2H2O H-4 H-4 O-2 O-2
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