Unit 8 - Reactions and Stoichiometry

Balancing Equations

100

__Fe + __ Cl₂ -> __FeCl₃  

_2_Fe + _3_ Cl₂ -> _2_FeCl₃  

200

__Fe + __O₂ -> __Fe₂O₃

_4_Fe + _3_O₂ -> _2_Fe₂O₃

300

__FeBr₃ + __H₂SO₄ -> __Fe₂(SO₄)₃ + __HBr

_2_FeBr₃ + _3_H₂SO₄ -> _1_Fe₂(SO₄)₃ + _6_HBr

400

__C₄H₆O₃ + __H₂O -> __C₂H₄O₂

_1_C₄H₆O₃ + _1_H₂O -> _2_C₂H₄O₂

500

__H₂SiCl₂ + __H₂0 -> __H₈Si₄O₄ + __HCl

_4_H₂SiCl₂ + _4_H₂0 -> _1_H₈Si₄O₄ + _8_HCl

Classifying Reactions

100

Zn + S -> ZnS

What is Synthesis?

200

Al₂S₃ -> Al + S

What is Decomposition? 

300

C₄H₁₂ + O₂ -> H₂O + CO₂

What is Combustion?

400

Cl_{2 +} KBr -> KCl + Br₂

What is Single Displacement?

500

NaOH + CuSO₄ -> Na₂SO₄ + Cu(OH)₂

What is Double Displacement?

Stiochiometry

100

How many mole of O₂ will be formed from 1.65 moles of KClO₃?

_2_KClO₃ -> _2_KCl + _3_O₂

2.48 mol O₂

200

How many moles of KCl will be formed from 2.73 moles of KClO₃

_2_KClO₃ -> _2_KCl + _3_O₂

2.73 mol KCl

300

Let's us convert between amounts of reactants and products -> can predict how much product will form!

What is Stoichiometry? 

400

How many moles of Fe2O3 are produced when 0.275 moles of Fe are reacted?

_4_Fe + 3 O₂ -> _2_Fe₂O₃

0.138 mole Fe₂O₃

500

How many moles of Fe₂O₃ are produced when 31.0 moles of O₂ are reacted?

_4_Fe + 3 O₂ -> _2_Fe₂O₃

20.7 mol Fe₂O₃

Limiting Reactants

100

When you divide your actual yield by your theoretical yield, what do you multiple that number by to get your answer?

What is 100?

200

The reactant that produces a larger amount of product is the ...

What is the excess reactant?

300

These steps are used to find what?

1.Write Givens

2.Give each reactant it's own fencepost

3.Convert each to moles of product

What is Limiting Reactant?

400

If your actual yield is 54.05 g of Fe , and your theoretical yield is 33.73 g of Fe. What is your percent yield?

What is 1.60%?

500

What does this formula represent? 

Actual Yield

--------------        x 100% = ?

Theoretical Yield

What is Percent Yield?

Vocabulary

100

A equation that start with an H

What is and Acid Base?

200

A table that shows the elements solubility in water.

(yellow sheet)

What is the solubility table? 

300

a reaction in which multiple reactants combine to form a single product is called what?

What is synthesis?

400

The 7 rules used in finding the solubility of a element and its reaction.

What are the Solubility Rules?

500

The amount of product that should be produced based on the limiting reactant.  

What is Theoretical Yield?