Stoichiometry

Front

2H₂ + O₂ → 2H₂O
How many moles of water can be produced if 8 moles H₂ are used?

Back

8 moles

Front

12.00 moles of NaClO₃ will produce how many grams of O₂?

Back

576 g of O₂

Front

The limiting reactant

Back

is used up first

Front

Use the equation 2 Al + 3 Cl₂ ---> 2 AlCl₃. If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.

Back

Cl₂

Front

When does a chemical reaction stop?

Back

When the limiting reactant is used up

Front

What is the limiting reactant if 10 moles of NH₃ react with 30.0 moles of NO?
4NH₃+6NO --> 5N₂ + 6H₂O

Back

NH₃

Front

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the

Back

theoretical yield

Front

What is the measured amount of a product obtained from a chemical reaction?

Back

actual yield

Front

What is the percent yield if 0.856 g of NH₃ is actually obtained in the lab during the following reaction:
4NH₃ + 5O₂ --> 4NO + 6H₂O
How many grams of NO are formed if 6.30g of ammonia react with 1.80g of oxygen?

Back

63.4%

Front

Fe + S --> FeS
If 7.62g Fe react with 8.67g S, what is the limiting reactant?

Back

Fe