Chemical reactions
Identify the product
2Li + Cl₂ → 2LiCl
2LiCl
What type of reaction has occured?
N₂ + H₂ → NH₃
combination
Hydrogen reacts with oxygen to form water.
Hydrogen + Oxygen -> Water
What is the law of conservation of mass?
Mass cannot be created or destroyed only rearranged
What natural wonder is commonly referred to as “the Lungs of the World”?
amazon rainforest
Identify the reactant
2Ba + O₂ → 2BaO
2Ba + O₂
Identify the type of reaction
KClO₃ → KCl + O₂
decomposition
Iron + sulfur makes?
iron sulfide
Magnesium (24 g) reacts with oxygen (16 g). What is the mass of magnesium oxide formed?
40g
What’s the most-consumed beverage in the world that is not water?
Tea
Identify the subscript
2NH₃ → N₂ + 3H₂
3 and 2
Identify the type of reaction
Zn + CuSO₄ → ZnSO₄ + Cu
Single replacement
Sodium reacts with chlorine to form sodium chloride
Sodium + chlorine -> sodium chloride.
Ba + O₂ → BaO
2Ba + O₂ → 2BaO
What is the name of the world’s longest river?
The Nile
Identify the coefficient
2NH₃ → N₂ + 3H₂
2 and 3
Identify the type of reaction
BaCl₂ + Na₂SO₄ → BaSO₄ + NaC
Double replacement
Aluminum oxide breaks down to form Aluminium and oxygen gas
aluminium oxide-> Aluminium + oxygen
Al + Br₂ → AlBr₃
2 Al + 3 Br₂ → 2 AlBr₃
What is the longest running American animated TV show?
The Simpsons
Identify the elements and subscript
2Li + Cl₂ → 2LiCl
Li and CL
2
NaHCO₃ → Na₂CO₃ + CO₂ + H₂O
decomposition
Hydrochloric acid reacts with magnesium to form magnesium chloride and hydrogen gas.
Hydrochloric acid + magnesium -> magnesium chloride + hydrogen gas.
Ca + HCl → CaCl₂ + H₂
Ca + 2 HCl → CaCl₂ + H₂
What’s the only vegetable that is also classified as a flower?
Broccoli