limiting reactants
empirical and molecular formulas
percent yield
mole conversions
balanced equations
100

If 4 moles of hydrogen react with 1 mole of oxygen, which is limiting in 2H2+O2→2H2O?

what isO2 is limiting?

100

the simplest whole number ratio of atoms in a compound is called this

what is the empirical formula?

100

if the theoretical yield is 10 g and the actual yield is 8 g what is the percent yield 

what is 80%?

100

what is the molar mass of H2O

what is 18.016?

100

the number of oxygen atoms in 2 H2O molecules

what is 2 oxygen?

200

given 5 g of magnesium and 10 g of oxigyn. which limits the reaction 2Mg+O2 →2MgO?

what is Mg is limiting?

200

the balanced form of ___H2+___O2 convert to ___H2O

what is 2 H2 + O2 convert to 2H2O?

200

calculate the percent yield if 12 h of products is expected but only 9 g is produced 

what is 75%?

200

how many moles are in 18 grams if water

what is 1?

200

what mass of water is produced when H2 reacts with O2

36 grams of H2O

300

what is the limiting reactant when 3 moles of nitrogen react with 10 moles of hydrogen in N2+3H2 → 2Nh3

what is N2 is limiting?

300

what is the number of atoms in once molecule of C6H12O6

what is 24 atoms?

300

if you start with 10 grams of hydrogen and you get 80 grams of water, what is the yield %

what is 88.9%?

300

given 2 moles of H2 react with 1 mole of O2 how many moles of H2O are produced 

what is 2 moles?

300

how Many grams of CO2 are produced from 16 g of methane combusted completely 

44g

400

if 5 moles of A react with 8 moles of B and the balance equation is A+2B → C which is the limiting reactant

what is B?

400

the molecular formula of benzene where empirical formula is CH

what is C6H6?

400

the theoretical told us 20g but the actual yield is 15g what's the % yield


what is 75% yield 

400

how many moles are in 36 gallons of H2O

what is 2.0 moles?


400

how many moles of O2 are produced from 4 moles of KCLO3

what is 6 moles of O2

500

this type of calculation helps find leftover reactants 

what is an excess reactant calculation? 

500

the type of reaction Zn + HCI convert to ZnCL2 + H2

what is a single replacement reaction?

500

if 50 grams of CaCO3 is heated and produces 20 grams of CaO what is the yield %?

what is 71.3%?


500

convert 3.0 moles of CO2 to grams

what is 132 grams?

500

how many moles are in 36 g of H2O, molar mass of H2O=18 g

what is 2 moles?