Vocabulary
A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction.
What is mole ratio?
CO2 + 2LiOH --> Li2CO3 + H2O How many moles of lithium hydroxide are required to react with 20 mol of CO2?
What is 40 mol LiOH?
Mg + 2HCl --> MgCl2 + H2 How many grams of hydrogen will be produced if we start with 2 moles of hydrochloric acid and excess magnesium?
What is 2 g H2?
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?
N2 + 3H2 --> 2NH3
3.01 x 10 23 molecules N2, how many NH3?
What is 6.02 x 10 23 molecules NH3?
Avagadro's first name
What is Amadeo?
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?
Mg + 2HCl --> MgCl2 + H2
2 grams of H2, how many grams Mg react?
What is 24g ?
Ni2S3
What is Nickel III sulfide?
Avogadro's number.
What is 6.022 x 10^23?
Addition of the mass of the elements in a compound
What is the molar mass?
2Mg +O2 --> 2MgO How many moles of magnesium oxide are produced from 1.2 moles of magnesium?
What is 1.2 mol MgO?
How many moles of aluminum atoms are needed to make 2 mol Al2O3 make aluminum oxide?
What is 2 mol Al?
72g H2O
What is 4 moles? What is 89.6 L ? What is 2.408 x xo 24 molecules ?
How many moles are present in 34 grams of Cu(OH)2?
What is 0.35 mol Cu(OH)2?
What is 273 K and 1 atmosphere
What is STP?
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?
liters 3 mole H2 gas at STP
What is 67.2 L?
3.01 x 10 23 atoms Zinc
What is 0.5 mol?
Write the complete balanced equation for the following reaction (include states): When lithium hydroxide pellets are added to a solution of sulfuric acid, lithium sulfate and water are formed.
What is: 2LiOH (s) + H2SO4 (aq) --> Li2SO4 (aq) + 2H2O (l)
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?
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?
Diatomic elements
What is BrINClHOF?
1.2 x 10 24 molecules H2O, how many grams?
What is 36 g?
Na + Cl2 --> NaCl
How many moles NaCl produced from 5 moles of Cl2 Reacting?
What is 10 moles?