Bonding
Chemical Reactions
Mole Conversions
Particle Theory
Equilibrium
100
What is the name of this IONIC compound? Li2S
Lithium Sulfide
100
What type of reaction is shown here: H2 + O2 --> H2O
Synthesis
100
Where do we find the molar mass of any element?
The periodic table of elements
100
What state of matter has the most rigid structure?
Solid
100
Which side of the reaction arrow can products be found? (left or right)
Right
200
Formula for IONIC compound containing Calcium and Chlorine
CaCl2
200
What type of reaction is shown here:
Cu + ZnCl2 --> Zn + CuCl2
Single Replacement
200
What is the molar mass of Sulfur
32.06g (rounded to 32g)
200
What does exothermic mean?
The reaction releases energy (heat exits the substance)
200
True or False: At equilibrium, the amount of reactants equals the amount of products
FALSE
300
What is the name of this COVALENT compound? C2H4
Dicarbon Tetrahydride
300
Describe what happens in a decomposition reaction
One reactant breaks apart into multiple products
300
What is the molar mass of the following molecule: Li2O
30g
Li2 = 14
O = 16
300
Name this phase change: Gas --> Liquid
Condensation
300
Name the 4 factors that speed up chemical reactions (All 4 are required for points)
Concentration, Surface Area, Catalyst, Temperature
400
What is the formula for the COVALENT compound below?
SF6
400
Other than the fuel, what reactants and products must be present in a combustion reaction (Name all 3 to get points)
Oxygen (O2), Carbon Dioxide (CO2), and Water (H2O)
400
What should the conversion factor look like when converting FROM grams and TO moles?
Grams on the bottom, moles on the top
400
Is the phase change freezing endothermic or exothermic?
Exothermic (making something colder = removing heat)
400
Which direction will equilibrium shift if more NaCl is added?
NaOH + HCl → NaCl + H2O + HEAT
Left
500
What is INCORRECT about this Lewis Dot Diagram? (See image in new tab)
Electrons from the same atom cannot pair. We need two more Fluorine atoms to bond with the remaining Nitrogen electrons
500
State the 4 numbers that would balance this chemical reaction.
__Na + __MgCl2 --> __Mg + __NaCl
2,1,1,2
2 Na + 1 MgCl2 --> 1 Mg + 2 NaCl
500
Convert 2 moles of H2 to grams
4g
(conversion factor --> 2g / 1 mole)
500
Name a phase change that is endothermic
Melting, Evaporating, or Sublimation
500
Which direction will the equilibrium shift if this reaction is cooled off?
NaOH + HCl → NaCl + H2O + HEAT
Right