Balancing Chemical Equations
When we add coefficients to chemical formulas in chemical equations. (Phrase answer as a question)
What is balancing a chemical equation?
What is the difference between a chemical formula and a chemical equation?
Formulas show single elements/compounds.
Equations show all of the reactants and products.
Describe what happens in a synthesis reaction.
Two substances combine to form a single compound.
Predict the products of the reaction between magnesium (Mg) and oxygen (O₂). Balance if necessary.
2MgO
The BRINCLHOF's are this type of molecule. (Phrase as a question)
What are diatomic molecules?
Balance the following chemical equation:
H₂ + O₂ → H₂O.
2H₂ + O₂ → 2H₂O.
Write the chemical formula for potassium chlorate. (Phrase as a question)
What is K2ClO3
Identify the type of reaction: AgNO₃ + NaCl → AgCl + NaNO₃. (Phrase as a question)
What is double replacement?
Predict the product of the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH). Balance if necessary.
NaCl + H2O (Must have exactly as written)
The names of the BRINCLHOF's. (Phrase as a question)
Balance the equation: Fe + O₂ → Fe₂O₃.
4Fe + 3O2 → 2Fe2O3
The chemical formula for sulfuric acid. (Phrase as a question)
What is H2SO4?
Identify the type of reaction: K+ NaBr → (Phrase as a question)
What is a single replacement?
You must be given and/or determine these two things to predict the product of a reaction. (Phrase as a question)
What are reactants and the type of reaction?
The symbol for a gas in a chemical reaction.
What is (g)?
The law we obey when we balance chemical equations. (Phrase as a question)
What is the Law of Conservation of Mass?
The formula for a compound made of lithium and peroxide. (Phrase as a question)
What is Li2O2?
What is decomposition?
The result of adding Zinc metal (Zn) to Potassium Bromide (KBr). (Phrase as a question)
What is no reaction?
These are the four ways we may observe that a chemical reaction has occurred. (Phrase as a question)
What are heat/light, production of gas, precipitates, and color change?
Balance the following equation:
C4H10 + O2 -> CO2 + H2O
2C4H10 + 13O2 -> 8CO2 + 10H2O
The chemical formula for tetracarbon decahydride. (Phrase as a question)
What is C4H10?
The reactants and products of a combustion reaction. (Phrase as a question)
These are produced as a result of the decomposition of zinc carbonate. (Phrase as a question)
What is ZnO and CO2?
A formula (like MnO) on top of a yield arrow (→) is a symbol for this. (Phrase as a question)
What is a catalyst?