STEPS
MISCELLANEOUS
DEFINITIONS
MOLE ISLAND
PROBLEMS
100
What is the first step you take when doing stoichiometry?
What is write the balanced equation.
100
Balance the chemical equation.
N2 + H2 → NH3
What is
N2 + 3 H2 → 2 NH3
100
Mass relationships between substances in a chemical reaction.
What is Stoichiometry.
100
What are the steps (in order) from grams of Substance A to grams of Substance B?
What is Mass A to Mole A to Mole B to Mass B
100
Fe3O4 + 4 CO--->3 Fe + 4 CO2 How many moles of CO are needed to react with 16.5 g of Fe3O4
What is .285 moles CO
200
What is the second step you take in stoichiometry?
What is label your "find" and "given"
200
How many grams of Cl2 are there in 2.5468 moles pay attention to SIG FIGS
molar mass of Cl2 = 35.453 g/mol
90.292 grams
200
Indicated by coefficients in a balanced equation.
What is Mole Ratio.
200
6.022x10^23
What is Avogadros number?
200
How many moles of Fe2O3 will form from 5.0 moles of Fe?
What is 2.5 moles Fe2O3
300
What is the third step you take in stoichiometry?
What is line up conversion factors?
300
What law does an equation that is not balanced not obey?
What is the law of conservation of matter/mass.
300
Amount of mass that is contained in 1 mole of a substance.
What is Molar mass
300
what step is needed in the process of converting moles to grams
What is multiply by molar mass?
300
How many moles of KClO3 must decompose in order to produce 9 moles of oxygen gas?
What is 6 moles KClO3
400
What is the last step in stoichiometry to make sure your answer is correct?
What is check sigfigs and units.
400
what is the molar mass of Fe2O3
What is 159.69 g/mol
400
Unit of counting that is equivalent to 602,200,000,000,000,000,000,000
What is a mole
400
what step is needed in mole of a substance to grams
What is multilply by molar mass?
400
How many grams of NaCl will be produced from 1.25 mol of chlorine gas reacting with sodium?
What is 146 g NaCl
500
What is something you could use to help you with the stoichiometry process?
What is Mass A ->Mole A ->Mole B ->Mass B.
500
Fe+O2--->Fe2O3 Find the mole ratio of Iron to Oxygen
What is 4:3
500
Reactant that is used up when a reaction is run to completion
What is limiting Reactant
500
What must be used to convert from one substance to another and where is it found?
What is mole ratio and Balanced chemical Equation.
500
Ammonium nitrate decomposes into dinitrogen monoxide gas and water. Determine the amount of water produced if 25.0 g of ammonium nitrate decomposes.
NH3 → N2O +H2O [is it balanced??? uh oh!]
What is 11.3grams H2O