These are 3 indicators of a chemical change.
What are change in color/odor, formation of a precipitate/gas, and change in energy
What are products?
Balance the equation: Fe + HCl → FeCl₂ +H₂
What is Fe + 2HCl → FeCl₂ +H₂?
The microscopic view of Mg + 2HCl --> H2 + MgCl2
This law states that matter cannot be created or destroyed, which is why chemical equations must be balanced.
What is The Law of Conservation of Matter?
The starting materials of a chemical reaction are called this
What are reactants?
Balance the equation: Al + O₂ → Al₂O₃
What is 4Al + 3O₂ → 2Al₂O₃?
The microscopic view of the N2 + 3H2 →2NH3
In a balanced chemical equation, this number is placed in front of a compound or element to indicate how many units are involved in the reaction.
What is a coefficient
In the equation 2H₂ + O₂ → 2H₂O, these are the reactants.
What is H₂ + O₂?
Balance the equation: C₃H₈ + O₂ → CO₂ + H₂O
What is C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O?
How much sodium chloride will react with 34.0 g of silver nitrate to produce 17 g of sodium nitrate and 28.70 g of silver chloride?
What is a 11.7 g?
This is the term for the small numbers written below chemical symbols in a formula that indicate the number of atoms.
What is a subscript?
What does the arrow represent in a chemical equation?
What is yields, produces, or forms?
Balance the equation: Fe₂(SO₄)₃ + KOH → Fe(OH)₃ + K₂SO₄
What is Fe₂(SO₄)₃ + 6 KOH → 2 Fe(OH)₃ + 3 K₂SO₄ ?
The type of reaction seen here: 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
Explain why this reaction does not occur as seen here: Al + F2 → AlF3
What is a fluorine atom is gained?
The number of oxygen atoms in the product of the balanced equation: CH₄ + 2O₂ → CO₂ + 2H₂O
What is 4?
Balance the equation: C6H6 + O2 --> CO2 + H2O
What is 2C6H6 + 15O2 --> 12CO2 + 6H2O
These two types of chemical reactions are opposites
What are synthesis and decomposition
Balance the following equation. Be sure to show all work and simplify your answer. (NH4)3PO4 + Mg(NO3)2 --> Mg3(PO4)2 + NH4NO3
2(NH4)3PO4 +3Mg(NO3)2 --> Mg3(PO4)2 + 6NH4NO3