Balancing Equations
Fe(OH)3 -> Fe2O3 + H2O
2Fe(OH)3 -> Fe2O3 + 3H2O
2Na + S -> Na2S
Synthesis
2Buns + 1Burger + 1Cheese + 3Veggies -> 1Cheeseburger
How many cheeseburgers can you make with 16 veggies?
5 cheeseburgers!
What is the molar mass of carbon? Round to a whole number and report the unit.
Stoichio- and -metry are what in English
what is element and measure
Si + S8 -> Si2S4
4Si + S8 -> 2Si2S4
NaCl +AgNO3 -> AgCl + NaNO3
Double Replacement
2H2 + O2 -> 2H2O
How many moles of O2 is needed to react fully with 1.0 moles of H2?
.50 moles of O2
What is the molar mass of CO2? Round to a whole number and include units.
*This is worth triple points!
what is 44 grams per mole
What food analogy has been used to represent the set quantity of a mole?
What is a dozen
Cu + O2 > CuO
2Cu + O2 > 2CuO
2Pb(NO3)2 -> 2Pb + 4NO3
Decomposition
2S + 3O2 -> 2SO3
If you have 1.75 moles of SO3, how many moles of O2 was consumed?
2.63 moles of O2
How many moles are found in 10.5 grams of diatomic hydrogen? Follow significant figures.
What is 5.21 moles
True or False. A mole of carbon and a mole of hydrogen will have the same mass.
What is False
Al + FeO -> Al2O3 + Fe
2Al + 3FeO -> Al2O3 + 3Fe
CH4 + 2O2 -> CO2 + 2H2O
*This is worth double points!
Combustion!
Fe2O3 + 3H2 -> 2Fe + 3H20
If you react 25 moles of Fe2O3 with excess H2, how many moles of iron are produced?
50. moles of Fe
How many grams of Hydrochloric acid are found in 1.8 moles? Round accordingly to sig figs.
what is 66 grams
What is Avogadro's number?
What is 6.02 E 23
or 6.02 x 1023
C7H6O2 + O2 -> CO2 +H2O
2C7H6O2 + 15O2 -> 14CO2 +6H2O
BaCl2 + Na2SO4 -> BaSO4 + 2NaCl
Double Replacement
3Cu + 8HNO3 -> 3Cu(NO3)2 + 2NO + H2O
How many moles of HNO3 are needed to react with 2.56 moles of copper?
6.83 moles of Cu
How many formula units are found in 0.50 moles of Sodium Hydroxide?
What is 3.0 E 23 formula units
The variable that has the unit grams per mole is known as ___________.
What is molar mass