1. Activity on Molar Mass, Equation, and Reaction
I. Transform the worded equations completely into a chemical equation.
1. Iron reacted with bromine to form the resulting compound.
Fe + Br2 FeBr3
2. Cupric oxide decomposed into its constituent elements.
CuO Cu+O2
3. Sodium reacts with oxygen forming sodium oxide.
Na+ O2 Na2O
4. Hydrogen chloride splits into hydrogen and chlorine.
HCl H+Cl
5. Nitrogen and hydrogen formed its corresponding product.II.
H2 + N2 NH3
3H2+ N2 2NH3 Ammonia
Complete and classify the following equations as to type of chemical reaction such
as
A(Synthesis) B(Analysis) C(Single Replacement) D(Double Replacement). Use
letters only.
1. NH3 N2 + H2 B
2.CaO + CO2
CaO + CO2→CaCO3 A
3. HF H2 + F2 B
4. H20 + CO2
H20 + CO2 H2CO3 A
5. C2H5OH + O2III 2CO2 +3H2O C
Determine the molar mass of the following.
1. CuSO4 159.60 g/mol
2. SnCl3 225.069 g/mol
