3 Types of Reactions
Formation
Decomposition
Combustion
The value of 1 mole of atoms or molecules
6.02 x 1023
Define stoichiometry
Relating the quantities of different substances in a chemical reaction
Bases _____ protons.
Accept
When dissolving sodium flouride in water, which compound is the solvent?
water
Type of reaction
2NaHPO4-->2Na + H2 + 2P + 4O2
Decomposition
What is wrong with this reaction:
Na + H + S + O ----> NaHSO4
H and O are diatomic molecules (subscript 2)
Limits the amount of product that can be formed.
Acids ______ protons
Donate
In an exothermic reaction the container will feel _____ .
hot
Type of reaction
2C3H8O + 9O2 --> CO2 + H2O
Combustion
What are the units on the periodic table called?
Atomic mass units (amu)
How many moles of H2O are formed?
C3H8 + 5O2 -----> 3O2 + 4H2O
4
What does a reaction produce when an ionic base reacts with an acid?
salt and water
What does P, V, and T mean in Boyle's Law and Charles's Law?
Pressure, volume, temperature
H2CO2 ----> CO2 + H2O
Decomposition
How many grams of fluorine are in 1 mole of fluorine?
19.0 grams
How many moles of H4SO5 are formed if starting with 4 moles of C2H6O?
2C2H6O + H2SO4 ---> C4H10O + H4SO5
2 moles
In dilution, what is added to a solution to decrease the concentration?
water
Name one unit of pressure.
atmospheres
kPa (kilo pascals)
milimeters of mercury (mm Hg)
torr
Type of reaction
2S + Cl2 + 5F2 ---> 2SF5Cl
Formation
How many grams of NaCl are in 1 mole of NaCl?
58.5 grams
What is the ratio of CaCO3 to H2O?
CaCO3 + 2HCl---> CaCl2 + H2O + CO2?
1:1
What is the process called when an acid of a known concentration is slowly added to a base of unknown concentration in order to determine the concentration of that base?
Titration
In the ideal gas law (PV=nRT) what does n stand for?
number of moles