Vocabulary
What is the law that states matter is neither created nor destroyed in a chemical reaction?
What is the Law of Conservation of Mass?
How many oxygen atoms are in O₂?
What is 2?
Balance:
Zn + HCl → ZnCl₂ + H₂
What is Zn + 2HCl → ZnCl₂ + H₂?
Balance:
H₂ + O₂ → H₂O
What is 2H₂ + O₂ → 2H₂O?
What two products are always formed in the combustion of a hydrocarbon?
What are CO₂ and H₂O?
What number is placed in front of a chemical formula to balance an equation?
What is a coefficient?
How many hydrogen atoms are in 2H₂O?
What is 4?
Balance:
Fe + CuSO₄ → FeSO₄ + Cu
What is Fe + CuSO₄ → FeSO₄ + Cu?
Na + Cl₂ → NaCl
What is 2Na + Cl₂ → 2NaCl?
Balance:
CH₄ + O₂ → CO₂ + H₂O
What is CH₄ + 2O₂ → CO₂ + 2H₂O?
What do the small numbers written after an element in a formula represent?
What are subscripts?
How many total atoms are in CaCl₂?
What is 3?
Balance:
Al + HCl → AlCl₃ + H₂
What is 2Al + 6HCl → 2AlCl₃ + 3H₂?
Balance:
CaCO₃ → CaO + CO₂
What is CaCO₃ → CaO + CO₂?
Balance:
C₂H₆ + O₂ → CO₂ + H₂O
What is 2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O?
True or False: Subscripts can be changed to balance an equation
What is False?
How many oxygen atoms are in 3CO₂?
What is 6?
Na + H₂O → NaOH + H₂
What is 2Na + 2H₂O → 2NaOH + H₂?
Balance:
KClO₃ → KCl + O₂
What is 2KClO₃ → 2KCl + 3O₂?
Balance:
C₃H₈ + O₂ → CO₂ + H₂O
What is C₃H₈ + 5O₂ → 3CO₂ + 4H₂O?
What is the process of making the number of each type of atom equal on both sides of an equation?
What is balancing a chemical equation?
How many atoms of each element are in Al₂(SO₄)₃?
What is 2 Al, 3 S, and 12 O?
Balance:
Mg + AgNO₃ → Mg(NO₃)₂ + Ag
What is Mg + 2AgNO₃ → Mg(NO₃)₂ + 2Ag?
Al + O₂ → Al₂O₃
What is 4Al + 3O₂ → 2Al₂O₃?
Balance:
C₄H₁₀ + O₂ → CO₂ + H₂O
What is 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O?