Balancing Chemical Equations

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Chemical Reaction

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the process in which substances undergo chemical changes that result in the formation of new substances

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Chemical Equation

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A representation of a chemical reaction

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The Law of Conservation of Matter

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A law stating that atoms are not created or destroyed during a chemical reaction.

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Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

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no

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Balance this equation: _Al +_HCl --> _H₂ +_AlCl₃

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2,6,3,2

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The coefficient in 3H₂O is

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3

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How many atoms of carbon (C) are in C₆H₁₂O₆?

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6

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How many Sodium (Na) are in 6NaCl?

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6

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How many Hydrogen are in 4H₂O?

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8

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Is this equation balanced?

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no