Chemical reactions
Balancing reactions
Conversion factors
Molarity
Misc
100
The amount of product is determined by what type of reactant
Limiting reactant
100
Why do we need to balance chemical equations?
To show they follow the law of conservation of mass
100
Allows us to convert between moles and grams
molar mass
100
The units for molarity
M or mol/L
100
What is the equation for percent yield?
200
The following reaction is what type of chemical reaction?
Pb(NO3)2+2KI→2KNO3+PbI2
Double replacement
200
Balance the following equation:
Mg + AlPO4 → Al+ Mg3(PO4)2
3,2,2,1
200
Allows us to convert between moles of one substances and moles of another
Mole ratio
200
Calculate the molarity if 60 moles are in a 10 L solution
6 M
200
Convert 5761 mL to L
5.761 L
300
What type of reaction is shown on the graph
Endothermic
300
Balance the following equation:
CH4 + O2 → CO2 + H2O
1,2,1,2
300
Allows us to convert between number of particles and moles
Avogadro's number
300
Calculate the molarity if 4 moles are in a 10,000 mL solution.
0.4 M
300
Where does the mole ratio come from
(Bonus points if you write an example)
Coefficient of a balanced chemical reaction
400
What type of reaction is shown?
H2SO3 → H2O + SO2
Decomposition
400
Balance the following:
N2+O2⟶ N2O5
2,5,2
400
At STP, one mole of any gas will occupy
22.4 L
400
A solution is prepared by dissolving 42.23 g of NH4Cl into enough water to make 500.0 mL of solution. Calculate its molarity.
1.58 M
400
A chemist observes that a reaction beaker feels warm. What type of chemical reaction is this?
Exothermic
500
Predict the products of the single replacement reaction:
Mg + Al2O3→
Al + MgO
500
C2H6+O2⟶H2O+CO2
2,7,6,4
500
Allows us to convert between L of solution and moles
molarity
500
A chemist needs to prepare 3.00 L of a 0.250 M solution of potassium permanganate (KMnO4). What mass of KMnO4 does she need to make the solution?
119 g
500
What is a precipitate
A solid formed in a chemical reaction