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3 cards from this section. Quick, good the night before a test.
What are the reactants in the equation 2H₂ + O₂ → 2H₂O?
Think about what is on the left side of the equation.
In a balanced equation, what must be true about the number of atoms?
Consider conservation of mass.
What is the key principle behind balancing chemical equations?
Remember the law of conservation of mass.
Are coefficients the same as subscripts in a chemical formula?
Think about how you would write the formula.
Balance the following reaction: C₄H₁₀ + O₂ → CO₂ + H₂O.
Start by balancing carbon and then proceed to hydrogen, finally addressing oxygen.
Discuss the implications of failing to balance a chemical equation in a laboratory experiment.
Think about what reactions might go wrong if not balanced properly.
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