CHEMISTRY CH 9 Flashcards
1
Q
barbara ann minerva
A
cheetah
2
Q
mole ratio
A
you use coefficients from balances equation
3
Q
mole ratio process
A
grams => moles => mole ratio => grams of different substance
4
Q
limiting reactant
A
determines how much product is made and you run out of it
5
Q
excess reactant
A
you have too much of it
6
Q
in limiting/excess reactant problems, what do the mole numbers mean
A
the original mol numbers are how much we need and the mol answers are how much we have
7
Q
percent yield equation
A
actual yield x 100
theoretical yield
8
Q
what’s the rule about percent and actual yields
A
it’s always less than 100 and never negative and actual yields should never be less than theoretical yields
