MODULE 8

What Element Am I (used in Ch 8)?

100

Cu

copper

200

Ba

Barium

300

Mg

magnesium

400

Ag

silver

500

Ga

gallium

Name That Polyatomic Ion (used in Ch 8)

100

Na4⁺

ammonium

200

OH^-

hydroxide

300

CN^-

cyanide

400

SO₄^-2

sulfate

500

CO₃^-2

carbonate

Name That Reaction Type (Ch 7)

100

A reaction that changes a compound into its constituent elements.

decomposition reaction

200

A reaction in which O₂ is added to a compound containing C & H, producing CO₂  & H₂O.

complete combustion

300

A reaction that starts with 2 or more elements and produces 1 compound.

formation reaction

400

A reaction in which O₂ is added to a compound containing C & H, producing CO & H₂O.

incomplete combustion

500

A reaction in which O₂ is added to a compound containing C & H, producing C & H₂O.

incomplete combustion

Balance me (Ch 8)

100

NH₃ + H₂SO4 → (NH₄)2SO₄

[2NH3 + H₂SO₄ → (NH₄)2SO₄]

200

H₂ + N₂ → NH₃

[3H₂ + N₂ → 2NH₃]

300

KAgC₂N₂ + Zn → Ag + ZnC₂N₂ + KCN

[2KAgC₂N₂ + Zn → 2Ag + ZnC₂N₂ + 2KCN]

400

C₆H₁₂O₆ + O₂ → CO₂ + H₂O

[C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O]

500

C₈C₁₈ + O₂ → CO₂ + H₂O

[2C₈C₁₈ + 25O₂ → 16CO₂ + 18H₂O]

Molecular Weight in amu or g/mole (Ch 7)

100

GaCl₃                  

 [176.2 amu or g/mole]

200

NaSO₄                 

  [142.1 amu or g/mole]

300

 Ba(OH)₂       

 [137.3 amu or g/mole]

400

sugar, i.e., C₆H₁₂O₆

 [180.1 amu or g/mole]

500

Al(NO₃)₃         

[213.0 amu or g/mole ]