MnCl3
Balance the following equation:
___NH3 --> __N2 + __H2
2 NH3 --> 1 N2 + 3 H2
Mercury + Magnesium Oxide --> ??
Mercury is lower on the reactivity list than Magnesium
Ca(ClO3)2 (s) --> CaCl2 (s) + O2 (g)
N3O4
P4Cl7
A balanced chemical equation has equal numbers of atoms of each type on both sides of the equation. This illustrates the principle of:
Will the following reaction occur?
Ni + AgNO3 --> ??
Nickel is higher on the reactivity list than Silver
Na (s) + I2 (g) --> NaI (s)
Fe3N2
ZnCr2O7
Balance the following equation.
___Zn (s) + ___HCl (aq) --> ___H2 (g) + ___ZnCl2 (aq)
1 Zn + 2 HCl --> 1 H2 + 1 ZnCl2
Will the following reaction occur?
Zn + Pb(C2H3O2)2 --> ??
Zinc is higher on the reactivity list than Lead
Fe(OH)3 (aq) + ZnSO4 (aq) --> Fe2(SO4)3 (s) + Zn(OH)2 (aq)
BaCr2O7
Mg3(PO4)2
Balance the following equation.
Sodium iodide breaks apart into sodium and pure iodine.
2 NaI --> 2 Na + 1 I2
Will the following reaction occur?
Al + Fe2O3 --> ??
Aluminum is higher on the reactivity list than Iron
K (s) + PbSO4 (aq) --> K2SO4 (aq) + Pb (s)
FePO3
C3H8
Balance the following equation.
Sulfur dioxide gas plus oxygen gas produces sulfur trioxide gas.
2 SO2 +1 O2 --> 2 SO3
Will the following reaction occur?
Ag + H2SO4 --> ??
Silver is lower on the reactivity list than Hydrogen.
C3H8 (g) + O2 (g) --> CO2 (g) + H2O (g)
Combustion
You can tell because of the hydrocarbon and in the reactants, and the only products being carbon dioxide and water (CO2 and H2O)