(1.25) Write word equations + balanced chemical equations
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Word and chemical equations represent chemical reactions. What happens during a chemical reaction?
bonds between the atoms in the molecules of the reactants are overcome
atoms rearrange
new bonds form to make molecules of the products
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What is the format of a word equation?
Reactants → Products
3
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What are the steps to writing a chemical equation?
Write chemical formulae of the reaction.
Balance the equation.
Add state symbols.
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What does ‘s’ represent?
Solid
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What does ‘l’ represent?
Liquid
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What does ‘g’ represent?
Gas
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What does ‘aq’ represent?
Aqueous solution
(dissolved in water- most ‘liquids’ due to dilution)
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