Science IIA- Ch 11 and 12
Terms
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- 1 mole =
- 6.02 x 10(23) atoms, particles, molecules, formula units.
- molar mass
- mass in grams of one mole of any pure substance.
- What number is the same number as the atomic mass on the periodic table?
- molar mass
- Stoichiometry
- study of quantitative relationships between amount of reactants used and products formed in a chemical equation.
- Law of Conservation of Mass
- mass of reactants = mass of products
- Mole Ratios
- a ratio between the numbers of moles of any two substances in a balanced chemical equation.
- chemical reaction
- another name for a chemical change
- reactants
- starting substances of a reaction
- products
- substances formed during the reaction
- chemical equation
- a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction.
- coefficient
- the number written in front of a reactant or product.
- mole
- the SI base unit used to measure the amount of a substance.
- Avogadro's Number
- the number 6.02 x 10(23)
- mole ratio
- a ratio between the numbers of moles of any two substances in a balanced chemical equation.