STEPS
The first step you take when doing stoichiometry.
What is write the balanced equation?
How the mole ratio is formed.
What is use the coefficients from the balanced equation.
The SI unit for amount of a substance.
What is the mole.
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
Fe3O4 + 4 CO--->3 Fe + 4 CO2 This many moles of CO are needed to react with 16.5 g of Fe3O4
What is .285 moles CO
The second step you take in stoichiometry.
What is write down your given?
Unexpected color change, change in odor, formation of precipitate, gas released, and change in energy are all types of ___?
What are indicators of a chemical reaction
The mass of 1 mole of a pure substance.
What is molar mass.
6.022x10^24
What is Avogadros number?
This many moles of Fe2O3 will form from 5.0 moles of Fe?
What is 2.5 moles Fe2O3
The two different conversion factors we use in stoichiometry.
What are mole ratio and molar mass?
Why we balance equations.
What is to observe the law of conservation of mass.
The relationship between the relative quantities of substances taking part in a reaction or forming a compound.
What is stoichiometry?
This many moles of KClO3 must decompose in order to produce 9 moles of oxygen gas?
What is 6 moles KClO3
The final step when you have your answer.
What is check sigfigs and include units?
You must have this to convert from moles to mass or vice versa?
What is Molar Mass.
A substance combines with oxygen, releasing a large amount of energy in the form of light and heat.
What is a combustion reaction?
This many grams of NaCl will be produced from 1.25 mol of chlorine gas reacting with sodium?
What is 146 g NaCl
The 4 types of stoichiometry problems.
mole to mole
mole to mass
mass to mole
mass to mass
Fe+O2--->Fe2O3 Find the mole ratio of Iron to Oxygen
What is 4:3
The diatomic elements.
Hydrogen, nitrogen, fluorine, oxygen, iodine, chlorine, bromine.
Must be used to convert from one substance to another.
What is mole ratio?
Ammonium nitrate decomposes into dinitrogen monoxide gas and water. This many grams of water is produced if 25.0 g of ammonium nitrate decomposes.
What is 11.3grams H2O