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Transcript of STOICHIOMETRY
What is stoichiometry?
Stoichiometry comes from the Greek words stoikheion, which means element, and metron, which means to measure.
"To measure elements"
The study of the relationships between the amounts of reactants and products in chemical reactions.
The Haber Process
Using stoichiometry we can:
Figure out how much reactant is needed to produce a certain amount of product.
28.00 g of N2 react with 6.00 g of H2 to yield 34.00 g of NH3.
Mole Ratio: the relationship between the number of moles of reactants and products in a chemical equation.
Mole ratios are important in "stoich":
Used as conversion factors.
Allow us to convert from one chemical to another.
Similar to mole problems.
Difference: We convert from one substance to another using the mole ratio from the balanced chemical equation.
Lets practice identifying mole ratios.