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Reaction Types
Balancing
Equilibrium
Vocabulary
Misc
100
Type of reaction in which a hydrocarbon reacts with oxygen to produce carbon dioxide and water.
What is combustion?
100
The coefficents to correctly balance the equation: PbCl
2
+ Na
2
SO
4
--> PbSO
4
+ NaCl
What is 1,1,1,2?
100
If an endothermic reaction is in equilibrium, which way will the equilibrium shift if heat is added?
What is to favor the products or right?
100
The substances that enter into a reaction.
What are reactants?
100
Two factors that can increase the rate of a chemical reaction.
What is increase concentration, and increase heat?
200
Type of reaction in which water is always a product
What is acid - base reaction or combustion reaction? Double points if both answers are supplied!!
200
The coefficients to correctly balance: C
6
H
10
+ O
2
--> CO
2
+ H
2
O
What is 2, 17, 12, 10?
200
If a reaction is in equilibrium, which way will the reaction shift if the concentration of the reactants is lowered?
What is toward the reactants or left?
200
The numbers used to balance a chemical reaction.
What are coefficients?
200
The seven diatomic elements
What are bromine, fluorine, iodine, chlorine, nitrogen, hydrogen, and oxygen?
300
Type of reaction in which small molecules combine to form a larger more complex molecule?
What is synthesis?
300
The coefficients to correctly balance the decomposition of NaBr into its elements. (Hint: Bromine is diatomic)
What is 2NaBr --> 2Na + 1 Br
2
? or 2, 2, 1
300
The point at which the forward reaction is happening at the same rate as the revers reaction.
What is dynamic equilibrium?
300
The appropriate symbols to indicate the state of matter of reactants and products.
What is (s) solid, (l) liquid - only for water, (aq) dissolved in water, (g) gas?
300
All reactions must be balanced to satisfy this rule.
What is the law of conservation of mass (or matter)?
400
Type of reaction represented by the generic equation: A + BC --> AC + B
What is single replacement?
400
Coefficients needed to completely combust methane gas (CH
4
)
What is 1CH
4
+ 3O
2
--> 1CO
2
+ 2H
2
O or 1, 2, 1, 2?
400
If a reaction is at equilibrium, which way will the reaction shift if more product is introduced to the system?
What is in favor of the reactants or left?
400
A substance that is not used up in a reaction, but helps to speed up a reaction.
What is a catalyst?
400
The rule that states when a stress is added to a system in equilibrium, the equilibrium will shift to account for the stress.
What is Le Chatelier's Principle
500
Type of reaction when lead nitrate is mixed with potassium iodide to get the solid precipitate lead iodide.
What is double displacement / ionic?
500
What coefficients would be needed to balance the synthesis reaction of H
3
PO
4
from its individual elements? (Hint: Oxygen and hydrogen are diatomic)
What is 3H
2
+ 4O
2
+ 2P --> 2H
3
PO
4
or 3, 4, 2, 2?
500
If an exothermic reaction is allowed to reach equilibrium, what would happen if the reaction were placed on ice?
What is more products would form?.
500
The amount of energy required for a reaction to occur.
What is activation energy?
500
Balance the following equation: C
9
H
21
+O
2
--> CO
2
+ H
2
O
What is 4, 57 , 36, 42