Chemical Equations (Leaving Cert Chemistry): Flashcards

Reactants and products using symbols and formulas

Substances that start the reaction

Substances formed in the reaction

Same no. of atoms of each element on both sides

Law of conservation of mass

Loses electrons

Gains electrons

$\text{Moles} = \frac{\text{Mass}}{\text{Molar Mass}}$

Reactant that runs out first; determines product formed

$\frac{\text{Actual}}{\text{Theoretical}} \times 100$

2 g/mol

18 g/mol