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    Lesson Review
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  • Student #19: What is the FIRST STEP when balancing a chemical equation?
    (Student answers)
  •  20
  • Student #27: What should you do to the coefficient and subscript when balancing an equation?
    (Student answers)
  •  25
  • Student #34: The 'arrow' between reactant and product means?
    (Student answers)
  •  20
  • Student #21: How do know if a chemical reaction occurs?
    (Student answers)
  •  20