Show:
Writing Chemical Equations
Classifying Chemical Reactions
Balancing Chemical Reactions
Predicting Chemical Reactions
Ms. DeCotis Fun Facts
100

What does the arrow → mean in a chemical reaction?

Yields; produces

100

2Na + Cl2 → 2NaCl is an example of which type of reaction?

Synthesis

100

Balance:

H2O → H2 + O2

2H2O → 2H2 + O2

100

Complete and balance this synthesis reaction: 

K + Cl2 →

2K + Cl2 → 2KCl

100

What sport is Ms. DeCotis coaching this spring?

Softball

200

Identify the reactants in the following reaction:

2AlBr3 + 3MgCl3 → 2AlCl3 + 3MgBr2

AlBr3 and MgCl2

200

The general equation A + BC → B + AC represents which type of equation?

Single Replacement

200

Balance: 

Pb(OH)2 + HCl → H2O + PbCl2

Pb(OH)2 + 2HCl → 2H2O + PbCl2

200

Complete and balance this decomposition reaction: 

AgBr →

2AgBr → 2Ag + Br2

200

What is Ms. DeCotis' eye color?

Blue

300

Write how gaseous nitrogen trihydride would look in a chemical equation.

NH3 (g)

300

AgNO3 + NaCl → AgCl + NaNO3 is an example of which type of reaction?

Double

300

Balance: 

P + O2 → P2O5

4P + 5O2 → 2P2O5

300

Complete and balance the following single reaction: 

LiI + Cl2 →

2LiI + Cl2 → 2LiCl + I2

300
Where is Ms. DeCotis right now?

London!

400

Write the chemical equation for the following reaction (you do not need to balance): 

Iron (III) chloride reacts with magnesium hydroxide to produce iron (III) hydroxide and magnesium chloride. 

FeCl3 + Mg(OH)2 → Fe(OH)3 + MgCl2

400

The process of digestion (the breakdown of the food you eat) is most likely which type of reaction?

Decomposition

400

Balance: 

C3H8 + O2 → CO2 + H2O

C3H8 + 5O2 → 3CO2 + 4H2O

400

Complete and balance the following combustion reaction: 

CH4 + O2 →

CH4 + 2O2 → CO2 + 2H2O

400

How many people were in Ms. DeCotis' graduating class from CCA? (closest guess gets the points)

21

500

Write the chemical equation for the following reaction (you do not need to balance the equation): 


Solid sodium reacts with liquid water to produce aqueous sodium hydroxide and hydrogen gas

Na(s) + H2O(l) → NaOH(aq) + H2(g)

500

This type of reaction can result in the formation of a precipitate.

Double - in a neutralization reaction, we form a salt (solid aka precipitate) and water

500

Balance: 

Na2O + CO2 + H2O → NaHCO3

Na2O + 2CO2 + H2O → 2NaHCO3

500

Complete and balance this double replacement reaction: 

Al(OH)3 + Mg3(PO4)2 →

2Al(OH)3 + Mg3(PO4)2 → 2AlPO4 + 3Mg(OH)2

500

When is Ms. DeCotis' birthday?

April 10 (Today!)