Modern Chem Review

Naming Compounds

100

Copper Oxide

Cu₂O

200

N₂O₃

Dinitrogen Decoxide

300

P₄O₁₀

Tetraphosphorus Decoxide 

400

Fe(NO₃)₂

Iron (II) Nitrate

500

Ba(H₂PO₄)₂

Barium dihydrogen phosphate 

conversions (mol -> g)(g -> m)

100

How many moles are in 22.0 g of CO₂?

0.500 mol CO₂ (3 sigfigs)

200

How many grams are in 2.85 mol of MgCl₂?

271 g of MgCl₂ (3 sigfigs)

300

How many grams are in 0.4625 mol of Al₂(SO₄)₃?

158.7 g (4 sigfigs)

400

How many moles of O atoms are present in 2.75 mol of Ca(NO₃)₂?

16.5 mol O atoms (3 sigfigs)

500

How many moles of hydrogen atoms are present in 34.0 g of NH₃?

5.99 mol H atoms (3 sigfigs)

Hydrocarbons (alkanes)

100

Formula of Methane?

CH₄

200

What is the name of C₂H₆?

Ethane

300

Formula of Pentane?

C₅H₁₂

400

What is the name of C₉H₂₀?

Nonane!

500

Formula of Hexane?

C₆H₁₄

Sigfigs

100

1.23

TREE!

200

50.002

FIVE!

300

4.030 x 10⁵

FOUR!

400

100,000,000

ONE!

500

0.0006000

FOUR!

Product Predictions

100

NaCl (aq) + AgNO₃ --> ?

NaNO₃ (aq) + AgCl (s)

200

KBr + AgNO₃ -->

KNO₃ + AgBr

300

BaCl₂(aq) + Na₂(SO₄) (aq) -->

NaCl₂(aq) + 2Ba(SO₄) (s)

400

HCl (aq) + NaOH (aq) -->

NaCl (aq) + H₂O (l)

500

CaO (s) + H₂O (l) -->

Ca(OH)₂ (aq)