Vocabulary
This tells how many equivalents of each compound react in a given chemical reaction.
coefficients
What is the total number of atoms in 3Na2SO4?
21
If there is one product in your equation, then you have what type of reaction.
synthesis
Incomplete combustion reactions can have what compounds as products?
carbon, carbon monoxide, carbon dioxide, water
In the chemical reaction, Mg + O2 -> Mg2O, the compound Mg2O is located on this side of the equation.
product side
When one or more substances are changed into new substances is called this:
chemical reaction
K + Br2 -> KBr
2K + Br2 -> 2KBr
When ions from 2 compounds switch places, this type of reaction occurs.
double displacement
AgBr -->
Ag + Br2
True or False: The following is a proper example of a chemical equation: 2Na + Cl2 = 2NaCl
False
When an element occurs naturally with a subscript of 2 it is called this:
diatomic
FeCl3 + KOH -> Fe(OH)3 + KCl
FeCl3 + 3KOH -> Fe(OH)3 + 3KCl
These two reactions are opposites of each other.
synthesis and decomposition
Cl2 + NaBr -->
Br2 + NaCl
The two ways that a chemical reaction can be written
word equation and chemical equation
The symbol for something that is:
a) dissolved in water
b) a precipitate
a) aq
b) s
P4 + O2 -> P2O5
P4 + 5O2 -> 2P2O5
Every complete combustion reaction produces three products. What are they?
carbon dioxide, water, and energy
NaCl + KI -->
No Reaction
True or False: Non-metallic oxides produce acids when dissolved in water.
True
What are three pieces of evidence that a chemical reaction has occurred?
color change, energy released or absorbed, gas produced, precipitate produced
C7H10N + O2 → CO2 + H2O + NO2
2C7H10N + 21O2 → 14CO2 + 10H2O + 2NO2
What data table(s) do we use to predict if a reaction will take place?
activity series and solubility table
Pb(NO3)2 + KI -->
PbI2(s) + KNO3(aq)
Insoluble or Soluble: K2S
Soluble