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3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CrCl3 + KOH + Br2 = K3CrO4 + KBr + KCl + H2O =>
CrCl3 + 8 KOH + Br2 = K3CrO4 + 2 KBr + 3 KCl + 4 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
H2SO3(s) + H2SeO3(s) = Se(s) + H2SO4(s) + H2O(s) =>
2 H2SO3(s) + H2SeO3(s) = Se(s) + 2 H2SO4(s) + H2O(s)
KOH + BeSO4 = K2SO4 + Be(OH)2 =>
2 KOH + BeSO4 = K2SO4 + Be(OH)2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
HBr + KHCO3 = H2O + KBr + CO2 =>
HBr + KHCO3 = H2O + KBr + CO2
Na(s) + Al2(SO4)3(aq) = Al(s) + Na2SO4(aq) =>
6 Na(s) + Al2(SO4)3(aq) = 2 Al(s) + 3 Na2SO4(aq)
C15HOH + O2 = CO2 + H2O =>
C15HOH + 15 O2 = 15 CO2 + H2O
H2SO4 + HBr = SO2 + Br + H2O =>
H2SO4 + 2 HBr = SO2 + 2 Br + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ba(NO3)2 + (NH4)2SO4 = Ba2(SO4)2 + NH4NO3 =>
2 Ba(NO3)2 + 2(NH4)2SO4 = Ba2(SO4)2 + 4 NH4NO3
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
PCl5 = PCl3 + Cl2(g) =>
PCl5 = PCl3 + Cl2(g)
NH4NO + O22 = N2 + H2O =>
22 NH4NO + O22 = 22 N2 + 44 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
N2 + H = NH3 =>
N2 + 6 H = 2 NH3
Fr(OH) + H2Te = Fr2Te + H2O =>
2 Fr(OH) + H2Te = Fr2Te + 2 H2O
KNO3 + Cu = CuNO3 + K =>
KNO3 + Cu = CuNO3 + K
AgC2H3O2 + MgBr2 = AgBr + Mg(C2H3O2)2 =>
2 AgC2H3O2 + MgBr2 = 2 AgBr + Mg(C2H3O2)2
Al(s) + I2(s) = AlI3(s) =>
2 Al(s) + 3 I2(s) = 2 AlI3(s)
AgNO3 + NH3 + H2O = Ag(OH) + NH4NO2 =>
3 AgNO3 + 5 NH3 + 2 H2O = 3 Ag(OH) + 4 NH4NO2
Sn + HNO3(k) = Sn(NO3)2 + NO2 + H2O =>
Sn + 4 HNO3(k) = Sn(NO3)2 + 2 NO2 + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
FeNo3 + Na2Co3 = Fe2(Co3) + NaNo3 =>
2 FeNo3 + Na2Co3 = Fe2(Co3) + 2 NaNo3
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(aq) + H2O + CO2(g) =>
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(aq) + H2O + CO2(g)
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
H2O + BaI2 = HI + Ba(OH)2 =>
2 H2O + BaI2 = 2 HI + Ba(OH)2
Ag + CuSO4 = Ag2SO4 + Cu =>
2 Ag + CuSO4 = Ag2SO4 + Cu
MgCl2 + HF = MgF2 + HCl =>
MgCl2 + 2 HF = MgF2 + 2 HCl
Mg(s) + Mn2O3(aq) = MgO(aq) + Mn(s) =>
3 Mg(s) + Mn2O3(aq) = 3 MgO(aq) + 2 Mn(s)
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
P + NO2 = N2 + P2O5 =>
8 P + 10 NO2 = 5 N2 + 4 P2O5
Co + OH = Co(OH) =>
Co + OH = Co(OH)
Ag2O() = Ag() + O2() =>
2 Ag2O() = 4 Ag() + O2()
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
Ag + ZnO = Ag2O + Zn =>
2 Ag + ZnO = Ag2O + Zn
Ca4Al2CO20H22 + NaOH = Ca3Al2O12H12 + Na2CO3 + H2O + Ca(OH)2 =>
Ca4Al2CO20H22 + 2 NaOH = Ca3Al2O12H12 + Na2CO3 + 5 H2O + Ca(OH)2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Mg(CH3COO)2 + CaCl2 = MgCl2 + Ca(CH3COO)2 =>
Mg(CH3COO)2 + CaCl2 = MgCl2 + Ca(CH3COO)2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
H2S + HNO3 = S + H2O + NO2 =>
H2S + 2 HNO3 = S + 2 H2O + 2 NO2
H4TiO4 + Ba(OH)2 = Ba4(TiO4)2 + H2O =>
2 H4TiO4 + 4 Ba(OH)2 = Ba4(TiO4)2 + 8 H2O
C6H6 = C + H =>
C6H6 = 6 C + 6 H
NO3 + H3O = HNO2 + H2O =>
NO3 + 3 H3O = HNO2 + 4 H2O
HCl + NaAlO2 = NaCl + AlCl3 + H2O =>
4 HCl + NaAlO2 = NaCl + AlCl3 + 2 H2O
NH3(aq) + O2(aq) = NO(g) + H2O(l) =>
4 NH3(aq) + 5 O2(aq) = 4 NO(g) + 6 H2O(l)
ZnO + Si = Zn + SiO =>
ZnO + Si = Zn + SiO
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
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