• anonymous
⦁ Explain what the coefficients in a balanced equation represent and how they can be used in ratios. ⦁ Use coefficients from a balanced equation as a mole ratio in dimensional analysis calculations. ⦁ Solve a variety of stoichiometry calculations involving moles and mass.
  • Stacey Warren - Expert
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  • chestercat
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  • NathalyN
Chemical change- any change that results in a new formation of a substance. For ex. burning paper. Physical change- rearranging molecules but doesn't affect its internal structure. For ex. splashing water in your hair. Or, dicing an apple. you're changing it but it's still the same thing. Chemical change- breaking down or creating new chemical bonds between atoms like iron rusting or eggs cooking

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