Vocabulary
CO2 + 2LiOH --> Li2CO3 + H2O How many moles of lithium hydroxide are required to react with 20 mol of CO2?
What is 40 mol LiOH?
Balance the following:
Mg + HCl --> MgCl2 + H2
What is 1:2:1:1?
Mg + 2HCl --> MgCl2 + H2 What mass of hydrogen is produced from the reaction of 75 g HCl (MM=36.5 g/mol) and excess Mg?
What is 2.0 g H2?
Molar mass of H2O.
What is 18.02g/mol?
The total amount of mass in a compound or element.
What is molar mass?
6CO2 +6H2O --> C6H12O6 + 6O2 How many moles of carbon dioxide are needed to react with 3.25 mol of water in the reaction described above?
What is 3.25 mol CO2?
Balance the following:
NaOH + H2CO3 ---> Na2CO3 + H2O
What is 2:1:1:2?
2KClO3 --> 2KCl + 3O2 How many grams of KCl are produced if 5.0 g of KClO3 is decomposed?
What is 3 g KCl?
What is 162.2g/mol?
When the same amount of atoms are present on each side of a chemical reaction.
What is a balanced equation?
2Mg +O2 --> 2MgO How many moles of magnesium oxide are produced from 1.2 moles of magnesium?
What is 1.2 mol MgO?
Balance the following:
Cs + N2 ---> Cs3N
What is 6:1:2?
2Na + Cl2 ---> 2NaCl
Sodium and chlorine react to produce sodium chloride (table salt; MM=58.5 g/mol). Determine the amount of product that can be produced from 24.7 g of sodium and excess chlorine.
What is 62 g NaCl?
Molar mass of Cu(OH)2.
What is 97.56g/mol?
For every 1 mole of a substance there is _____ amount of Liters.
What is 22.4L?
3H2 + N2 ---> 2NH3
Ammonia, NH3, is widely used as a fertilizer and in many household cleaners. How many moles of ammonia are produced when 6 mol of hydrogen gas react with an excess of nitrogen gas?
What is 4 mol NH3?
Balance the following:
C3H8 + O2 ---> CO2 + H2O
What is 1:5:3:4?
2NaOH + H2SO4 ---> Na2SO4 + 2H2O
How many grams of sodium sulfate (MM=124 g/mol) will be formed from 200 g NaOH (MM=40 g/mol) and an excess of sulfuric acid?
What is 355 g Na2SO4?
Molar mass of NH4Cl.
What is 53.49g/mol?
States that mass is neither created nor destroyed during ordinary chemical or physical reactions. (This is why we balance chemical equations!)
What is the law of conservation of mass?
2H2 + O2 ---> 2H2O
Hydrogen and oxygen gases react under a specific set of conditions to produce water. How many moles of oxygen would be required to produce 5.0 moles of water?
What is 2.5 mol O2?
Balance the following:
Al (OH)3 + H2CO3 ---> Al2(CO3)3 + H2O
What is 2:3:1:6?
CuCl2 + 2NaNO3 ---> Cu(NO3)2 + 2NaCl
If 15 g CuCl2 (MM=134.5 g/mol) react with 20 g NaNO3 (MM=85 g/mol), how much sodium chloride (MM = 58.5 g/mol) can be formed?
What is 13.0 g NaCl?
Molar mass of (NH4)3N.
What is 68.12g/mol?