Balancing Equations

Moles Types of Reactions

Energy Changes in Reactions

Reaction Rates

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for CuO

2 Cu + O2 → ___ CuO

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In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

HCl

H2 + Cl2 → ___ HCl

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In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

H2O2

____H2O2 → 2 H2O + O2

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In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

O2

C2H4 + ___ O2 → 2CO2 + 2H2O

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In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

Cl22Fe + ___ Cl2 → 2FeCl3

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This is the number of moles of 18 grams of H2O

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This is number of moles of 174 grams of NaCl

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Daily

DoubleA Picture Daily Double

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• The individual pictured here came up with the concept that a mole contains 6.02 x 1023 particles of that substance. This number was also named after him.

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This is the number of moles contained in 270 grams of glucose

C6H12O6

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This is the number of moles of H2SO4

I would have if I had 392 grams of this substance

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2Na + Cl2 → 2NaCl

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Pb(NO3)2 + 2KI → PbI2 + 2KNO3

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Cu + 2AgNO3 → Cu(NO3)2 + 2Ag

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CH4 + 2O2 → CO2 + 2 H2O

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CaCO3 → CaO + CO2

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This type of chemical reaction releases energy into the environment

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This type of reaction takes energy from the environment

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C3H8 + 5O2 → 3CO2 + 4 H2O + 2220 kJ

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Decreasing the temperature under which a chemical reaction takes place will do this

to the rate of the reaction

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Increasing the surface area of the reactants that are exposed to each other in a

chemical reaction will usually do this to the rate of the reaction

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This machine would do this to the rate of the

chemical reaction between the stains in your clothes and the

detergent

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A lower concentration of reactants in a chemical reaction would result in this type

of change in the rate of the reaction

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In the following chemical formula the Vanadium oxide (V2O5) acts as this in this

chemical reaction.

V2O5

2SO2 + O2 → 2SO3

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For 10 points: What is 2

In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for CuO

2 Cu + O2 → _2__ CuO

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For 20 points: What is 2

In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

HCl

H2 + Cl2 → _2__ HCl

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For 30 points: What is 2

In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

H2O2

____H2O2 → 2 H2O + O2

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For 40 points: What is 3

In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

O2

C2H4 + __3_ O2 → 2CO2 + 2H2O

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For 50 points: What is 3

In the following chemical equation you would need to insert this coefficient into the

formula before the chemical formula for

Cl22Fe + __3_ Cl2 → 2FeCl3

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For 10 points: What is 1 mole

This is the number of moles of 18 grams of H2O

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For 20 points: What is 3 moles

This is number of moles of 174 grams of NaCl

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Daily

DoubleA Picture Daily Double

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Who is Avagadro

• The individual pictured here came up with the concept that a mole contains 6.02 x 1023 particles of that substance. This number was also named after him.

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For 40 points: What is 1.5 moles

This is the number of moles contained in 270 grams of glucose

C6H12O6

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For 10 points: What is 4 moles

This is the number of moles of H2SO4

I would have if I had 392 grams of this substance

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For 10 points: What is a synthesis reaction

2Na + Cl2 → 2NaCl

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For 20 points: What is a double replacement reaction

Pb(NO3)2 + 2KI → PbI2 + 2KNO3

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For 30 points: What is a single replacement reaction

Cu + 2AgNO3 → Cu(NO3)2 + 2Ag

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For 40 points: What is a combustion reaction

CH4 + 2O2 → CO2 + 2 H2O

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For 50 points: What is a decomposition reaction

CaCO3 → CaO + CO2

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For 10 points: What is an exothermic reaction

This type of chemical reaction releases energy into the environment

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For 20 points: What is an exothermic reaction

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For 30 points: What is an endothermic reaction

This type of reaction takes energy from the environment

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For 40 points: What is an endothermic reaction

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For 50 points: What is an exothermic reaction

C3H8 + 5O2 → 3CO2 + 4 H2O + 2220 kJ

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For 10 points: What is slow down the reaction

Decreasing the temperature under which a chemical reaction takes place will do this

to the rate of the reaction

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For 20 points: What is speed up the reaction

Increasing the surface area of the reactants that are exposed to each other in a

chemical reaction will usually do this to the rate of the reaction

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For 30 points: What is speed up the reaction

This machine would do this to the rate of the

chemical reaction between the stains in your clothes and the

detergent

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For 40 points: What is reverse or slow down the reaction

A lower concentration of reactants in a chemical reaction would result in this type

of change in the rate of the reaction

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For 50 points: What is a catalyst

In the following chemical formula the Vanadium oxide (V2O5) acts as this in this

chemical reaction.

V2O5

2SO2 + O2 → 2SO3

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