types of reactions
A + B → AB.
synthesis
B C₄H₁₀ + O₂ → CO₂ + H₂O
2 C₄H₁₀ + 13 O₂ → 8 CO₂ + 10 H₂O
What is the number of particles (atoms, molecules, ions, etc.) in one mole of a substance?
Avogadro’s number (6.022 x 10²³)
AB → A + B.
decomposition
How many moles of O₂ are needed to react with 3 moles of CH₄ in the reaction CH₄ + 2 O₂ → CO₂ + 2 H₂O?
6 moles of O₂
How many moles are in 10.0 grams of water (H₂O)?
0.555 moles of H₂O
A + BC → AC + B.
single replacement
Fe + O₂ → Fe₂O₃
4 Fe + 3 O₂ → 2 Fe₂O₃
What is the molar mass of CO₂?
44.01 g/mol
AB + CD → AD + CB.
Double Replacement
What is the balanced equation for the combustion of propane, C₃H₈?
C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O
CₓHᵧ + O₂ → CO₂ + H₂O.
Combustion:
Balance the following equation: P₄ + Cl₂ → PCl₃
P₄ + 6 Cl₂ → 4 PCl₃