Mole-cular Jeopardy

Balancing Equations

100

Balance:
H₂ + O₂ → H₂O

2H₂ + O₂ → 2H₂O

200

Balance:
Na + Cl₂ → NaCl

2Na + Cl₂ → 2NaCl

300

Balance:
Al + O₂ → Al₂O₃

4Al + 3O₂ → 2Al₂O₃

400

Balance:
C₃H₈ + O₂ → CO₂ + H₂O

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

500

Balance:
Fe₂O₃ + CO → Fe + CO₂

Fe₂O₃ + 3CO → 2Fe + 3CO₂

Types of Chemical Reactions

100

Identify the reaction type:
A + B → AB

Synthesis (Combination)

200

Identify the reaction type:
AB → A + B

Decomposition

300

Identify the reaction type:

Zn + CuSO₄ → ZnSO₄ + Cu  

Single Replacement (Single Displacement)

400

Identify the reaction type:
AgNO₃ + NaCl → AgCl + NaNO₃

Double Replacement (Double Displacement)

500

Identify the reaction type:
CH₄ + O₂ → CO₂ + H₂O

Combustion

Mole → Grams

100

How many grams are in 1 mole of NaCl?
Molecular mass of Na: 23 g/mol
Molecular Mass of Cl: 35.5 g/mol

58.5 g

200

Convert 2 moles of CO₂ to grams.
Molecular mass of C:12 g/mol
Molecular mass of O: 16 g/mol

88 g

300

Convert 0.50 moles of H₂O to grams.
Molecular mass of H: 1 g/mol
Molecular mass of O: 16 g/mol

9.0 g

400

Convert 3.25 moles of CaCO₃ to grams.
Molecular mass of Ca: 40 g/mol
Molecular mass of C: 12 g/mol
Molecular mass of O: 16 g/mol

325 g

500

Convert 0.075 moles of Al₂O₃ to grams.
Molecular mass of Al: 27 g/mol
Molecular mass of O: 16 g/mol

7.65 g

Grams → Moles

100

How many moles are in 34 g of H₂O₂?  
Molecular mass of H: 1 g/mol
Molecular mass of O: 16 g/mol

1 mole

200

Convert 56 g of CO to moles.
Molecular mass of C: 12 g/mol
Molecular mass of O: 16 g/mol

2 moles

300

Convert 98 g of H₂SO₄ to moles.
Molecular mass of H: 1 g/mol
Molecular mass of S: 32 g/mol
Molecular mass of O: 16 g/mol

1 mole

400

Convert 150 g of NaCl to moles.
Molecular mass of Na: 23 g/mol
Molecular mass of Cl: 35.5 g/mol

2.56 moles

500

Convert 12.0 g of MgO to moles.
Molecular mass of Mg: 24 g/mol
Molecular mass of O: 16 g/mol

0.30 moles

Moles ↔ Atoms / Molecules

100

How many particles are in 1 mole of a substance?

6.02 × 10²³

200

How many atoms are in 2 moles of He?

1.20 × 10²⁴ atoms

300

How many molecules are in 0.25 moles of CO₂?

1.51 × 10²³ molecules

400

How many moles are in 3.01 × 10²³ atoms of Na?

0.50 moles

500

How many oxygen atoms are in 1 mole of H₂SO₄?

4 moles of O atoms (2.41 × 10²⁴ atoms)