Le Chatelier's Principle
Acids and Bases
Stoichiometry
Chemical Reactions
Intermolecular forces
100
What is ocean acidification?
The ongoing decrease of Ph of the earth's ocean
100
Label the four components (BLA, BLB, CA, CB) in this chemical equation;
HCI(aq) + H2O(l) 
H3O+(aq) + Cl-(aq)
HCI(aq) + H2O(l) H3O+(aq) + Cl-(aq)
(BLA) (BLB) (CA) (CB)
100
In the reaction 2H2 + O2 2H2O, what is the mole to mole ratio of H2 to H2O?
2:2
100
What are starting materials called?
Reactants
100
Which state of matter has the strongest forces?
Solid
200
What animals are at risk for ocean acidification?
Shellfish, reef building coral, and microscopic plankton
200
What causes acid precipitation in most industrialized nations?
Human activity, and burning fossil fuels
200
What is the molarity of a solution made by dissolving 2.0 moles of solute into 4.0 liters of total solution?
0.5M
200
What visual sign shows gas forming?
Bubbles
200
What force holds water molecules together?
Hydrogen bond
300
Increase of substance concentration =
[substance]
300
What is a arrhenius base?
A substance that produces hydroxide ions in an aqueous solution
300
How many moles are present in a 44.0 gram sample of CO2?
1.0 mole
300
Whats the reaction?
Zn+CuSO4→ZnSO4+Cu
Single replacement
300
Write the name of the compound with the formula CaCl₂.
Calcium chloride
400
Decrease system pressure =
[substance]
400
Is a chemical equilibrium a closed system or an open system?
It is a closed system because this balanced state can only be achieved in a closed system meaning no matter or energy is allowed to escape or enter
400
What is the mass in grams of 6.02 x 1023 atoms of pure carbon?
12.0 grams
400
What laws says mass cannot disappear?
Conservation of mass
400
What is the chemical given name for Sodium chloride?
Sodium = Na
Chlorine = Cl
NaCl
500
A favor of an exothermic reaction is...
releasing energy
500
A solution has a hydrogen ion concentration of [H+] = 1.0 x 10-3 m.
Find the [OH-] concentration using Kw = 1.0 x 10-14
Is the solution acidic, neutral, or basic?
[OH-] = 1.0 x 10-11 m (acidic)
500
2H2+O2→2H2O
If you have 4 moles of hydrogen gas, how many moles of oxygen gas do you need to react?
You need 2 moles of oxygen gas
500
What reaction absorbs heat from around it?
Endothermic reaction
500
What is the chemical given name for Carbon Dioxide?
Carbon = C
"Di" means 2
Oxygen = O
CO₂