Mastering Balancing Chemical Reactions: Practice Exercises
School
Liberty University Online Academy**We aren't endorsed by this school
Course
PERSONAL FINANCE 987
Subject
Chemistry
Date
Dec 12, 2024
Pages
6
Uploaded by MagistrateWildcatPerson1197
1 Name Date Balancing Reactions Practice Directions: Balance each chemical equation. It may be helpful to make a chart of each reaction on a separate piece of paper to keep track of the number of each element. 1.2 NaBr + Ca(OH)2→CaBr2+ 2 NaOH 2._____ NH3+_____ H2SO4→_____ (NH4)2SO4 3._____ Pb + _____ H3PO4→_____ H2+ _____ Pb3(PO4)2 4._____ HBr + _____ Al(OH)3→_____ H2O + _____ AlBr3 5._____ Na3PO4+ _____ KOH →_____ NaOH + _____ K3PO4 Na Br Ca OHNa Br Ca OH 1 1 1 2 1 2 1 1 2 2 2 2
2 6._____ MgCl2+ _____ Li2CO3→_____ MgCO3+ _____ LiCl 7._____ Li3N + _____ NH4NO3→_____ LiNO3+ _____ (NH4)3N 8._____ C5H8+ _____ O2→_____ CO2+ _____ H2O 9._____ B + _____ O2→_____ B2O310._____ Pb + _____ FeSO4→_____ PbSO4+ _____ Fe
3 11._____ P4+ _____ O2→_____ P2O3 12._____ AgNO3+ _____ Cu →_____ Cu(NO3)2+ _____ Ag 13._____ HNO3→_____ N2O5+ _____ H2O 14._____ NO + _____ Cl2→_____ NOCl 15._____ C3H6O + _____ O2→_____ CO2+ _____ H2O
4 16._____ C5H5+ _____ Fe →_____ Fe(C5H5)2 17._____ CaCO3→_____ CaO + _____ CO2 18._____ MgI2+ _____ Mn(SO3)2→_____ MgSO3+ _____ MnI4 19._____ NO2→_____ O2+ _____ N2 20._____ ZnBr2+ _____ AgNO3→_____ Zn(NO3)2+ _____ AgBr
5 21._____ Na + _____ O2→_____ Na2O 22._____ Ga + _____ H2SO4→_____ Ga2(SO4)3+ _____ H2 23._____ Zn(OH)2→_____ ZnO + _____ H2O 24._____ Al2O3+ _____ H2O →_____ Al(OH)325._____ H2O + _____ O2→_____ H2O2
6 26._____ Na3PO4+ _____ HCl →_____ NaCl + _____ H3PO427._____ HCl + _____ MnO2→_____ Cl2+ _____ MnCl2+ _____ H2O 28._____ Si + _____ N2→_____ Si3N4