Naming Compounds
NaCl
Sodium Chloride
A + B --> AB
Synthesis
How many molecules are contained in 2.5 moles of CO2?
1.5 x 1024 molecules
A sample of helium has a volume of 3.0 liters when the pressure is 0.658 atm. What volume does the gas occupy at 0.395 atm?
5.0 liters
Bases have this taste.
Bitter
FeCl3
Iron (III) chloride
AB --> A + B
Decomposition
How many molecules are contained in 2.5 g of CO2?
3.4 x 1022 molecules
At constant pressure, a sample of gas occupies 420 mL at 230 K. What volume does the gas occupy at 250 K?
460 mL
The products of an acid/base neutralization reaction
A salt and water
PO4
Phosphorus tetroxide
A + BC --> AC + B
Single Replacement
2H2 + O2 --> 2H2O
According to the above equation, if 3.0 mole of H2 react, how many moles of water will be produced?
3.0 mole of water
A sample of argon gas has a volume of 6.00 liters at a temperature of 7.00 °C. What volume does the gas occupy at 147 °C?
9.00 liters
What is the hydronium concentration of an acid that has a pH of 4.2?
6.3 x 10-5 M
Cu3(PO4)2
Copper (II) phosphate
AB + CD --> AD + CB
Double Replacement
2H2 + O2 --> 2H2O
According to the above equation, if 5.5 g of O2 react, how many grams of water will be produced?
6.2 g of water
A 900.0 liter supply of xenon gas is held at 25.0 °C and 150.0 kPa. When the temperature is lowered to -73.0 °C, what pressure must be applied to compress the gas to 200.0 liters?
453 kPa
HCl is a strong acid. You have a solution of 0.250 M HCl. What is the pH?
0.602
CCl4
Carbon tetrachloride
CH4 + 2O2 --> CO2 + 2H2O
Combustion
2H2 + O2 --> 2H2O
According to the above equation, if there are 3.5 moles of oxygen gas being used at STP, how many liters of gas would that be?
78 liters of oxygen gas
A sample of oxygen gas occupies 23.4 L at 298 K and 86.5 kPa. This sample contains how many moles of oxygen?
0.817 mol
An acid has a hydronium concentration of 5.60 x 10-3 M. What is the pOH of this acid?
11.7