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Unit 7 for Chemistry
Terms in this set (9)
The recipe shows _______ among the various ingredients used to make a specific number of cookies.
How would you change the ingredients in the cookie recipe to get 10 dozen cookies?
Double the amount of ingredients
How would you change the ingredients in the cookie recipe to get 2½ dozen cookies?
Half the amount of ingredients
How would you change the ingredients in the cookie recipe to get approximately 250 cookies?
5 dozen = 5 x 12 = 60 cookies
250 / 60 = 4.2
Take approximately 4 times amount of ingredients
An equation is similar to a recipe: because
it indicates relative amounts of reactants required for the rxn to take place and the relative amount of products produced.
You can increase the amounts of reactants in an equation as long as
you keep their ratio the same.The coefficients put into a ratio, is typically called the mole ratio.
The ______ put into a ratio, is typically called the _____
coefficients mole ratio.
Chemists use balanced equations (mole ratios) to
determine the number of molecules, moles or liters of a gas (at the same pressure and temperature) of reactants needed OR products produced.
Mass (grams) can
NEVER BE USED in the mole ratios.
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