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3 cards from this section. Quick, good the night before a test.
Balance the equation: Na + Cl₂ → NaCl.
Count the number of each type of atom on each side of the equation.
Balance the equation: C + O₂ → CO₂.
Only one of each type is required for this reaction.
What is the first step in balancing a chemical equation?
Think about what a balanced equation starts with.
True or False: The coefficients in a balanced equation can be in fractions.
Consider what units we use for counting atoms.
Balance the reaction of aluminum and oxygen to produce aluminum oxide: Al + O₂ → Al₂O₃.
Start by balancing aluminum first before oxygen.
Balance the combustion of hexane (C₆H₁₄) in oxygen: C₆H₁₄ + O₂ → CO₂ + H₂O.
Remember to balance carbon and hydrogen atoms first, then oxygen.
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