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Zn(OH)2 + S = ZnS + H2O + O
S + P4 = P2S3 =>
6 S + P4 = 2 P2S3
Cu + NaHSO4 = CuSO4 + Na + H =>
Cu + NaHSO4 = CuSO4 + Na + H
Fe2(SO4)3 + H2O + K2CO3 = Fe(OH)3 + K2SO4 + CO2 =>
Fe2(SO4)3 + 3 H2O + 3 K2CO3 = 2 Fe(OH)3 + 3 K2SO4 + 3 CO2
Ni(OH)2 + NaOH = Na2[Ni(OH)4] =>
Ni(OH)2 + 2 NaOH = Na2[Ni(OH)4]
Mg(s) + HCI = MgCI + H =>
Mg(s) + HCI = MgCI + H
NH2OH + H2SO4 + KIO3 = N2 + K2SO4 + I2 + H2O =>
10 NH2OH + H2SO4 + 2 KIO3 = 5 N2 + K2SO4 + I2 + 16 H2O
ZnCO2 = CO2 + Zn =>
ZnCO2 = CO2 + Zn
CaC2O4 + Ag = Ag(CaC2O4) =>
CaC2O4 + Ag = Ag(CaC2O4)
(P2)(O5) + (H2)(O) = (H3)(P)(O4) =>
(P2)(O5) + 3(H2)(O) = 2(H3)(P)(O4)
H2C2O4 + CaCl2 = CaC2O4 + HCl =>
H2C2O4 + CaCl2 = CaC2O4 + 2 HCl
Fe + BaO = FeO + Ba =>
Fe + BaO = FeO + Ba
Ca3(PO4)2(s) + SiO2(aq) + C(s) = Ca2SiO4(aq) + CO(g) + P(s) =>
2 Ca3(PO4)2(s) + 3 SiO2(aq) + 10 C(s) = 3 Ca2SiO4(aq) + 10 CO(g) + 4 P(s)
Mg(s) + Cu(NO3)2 = Mg(NO3) + Cu =>
2 Mg(s) + Cu(NO3)2 = 2 Mg(NO3) + Cu
C6H6O + H2 = C6H12 + H2O =>
C6H6O + 4 H2 = C6H12 + H2O
HgSO4 + Na2S2O3 + H2O = HgS + Na2SO4 + H2SO4 =>
HgSO4 + Na2S2O3 + H2O = HgS + Na2SO4 + H2SO4
AgNO3 + K2S2O8 + H2O = AgO + H2SO4 + KNO3 =>
2 AgNO3 + K2S2O8 + 2 H2O = 2 AgO + 2 H2SO4 + 2 KNO3
Cl2 + O2 = Cl2O7 =>
2 Cl2 + 7 O2 = 2 Cl2O7
FeSO4*(NH4)2SO4*6H2O + NaOH = Fe(OH)2 + Na2SO4 + H2O + NH3 =>
FeSO4*(NH4)2SO4*6H2O + 4 NaOH = Fe(OH)2 + 2 Na2SO4 + 8 H2O + 2 NH3
NH3*H2O + HCl = NH4Cl + H2O =>
NH3*H2O + HCl = NH4Cl + H2O
HClO3 + NaHO = NaClO3 + H2O =>
HClO3 + NaHO = NaClO3 + H2O
Na2CO3 + Al(NO3)3 = Na2(NO3)3 + AlCO3 =>
Na2CO3 + Al(NO3)3 = Na2(NO3)3 + AlCO3
Na3[Ag(S2O3)2] = Ag2S + Na2S + SO3 =>
2 Na3[Ag(S2O3)2] = Ag2S + 3 Na2S + 4 SO3
Al + PbNO3 = Pb + AlNO3 =>
Al + PbNO3 = Pb + AlNO3
BaCl2(s) = Ba(s) + Cl2(g) =>
BaCl2(s) = Ba(s) + Cl2(g)
Ba(N3)2 + Li2SO4 = LiN3 + BaSO4 =>
Ba(N3)2 + Li2SO4 = 2 LiN3 + BaSO4
K2S + CaCl2 = CaS + K2Cl2 =>
K2S + CaCl2 = CaS + K2Cl2
Sb2S3 + HCl(aq) = SbCl3(s) + H2S(g) =>
Sb2S3 + 6 HCl(aq) = 2 SbCl3(s) + 3 H2S(g)
HNO3 + Ca(OH)2 = Ca + NO3 + H2O =>
2 HNO3 + Ca(OH)2 = Ca + 2 NO3 + 2 H2O
Na2SiO3 + HCl = SiO2 + NaCl + H2O =>
Na2SiO3 + 2 HCl = SiO2 + 2 NaCl + H2O
HMnO4 + Na(HO) = NaMnO4 + H2O =>
HMnO4 + Na(HO) = NaMnO4 + H2O
CrO3 + SnO + HCl = CrCl3 + H2SnO3 =>
2 CrO3 + 3 SnO + 6 HCl = 2 CrCl3 + 3 H2SnO3
Ni(No3)2(aq) + Na2SO4(aq) = NiSO4(aq) + NaNo3(aq) =>
Ni(No3)2(aq) + Na2SO4(aq) = NiSO4(aq) + 2 NaNo3(aq)
KClO3 + HCl = HClO + KCl =>
KClO3 + 3 HCl = 3 HClO + KCl
C12H26S + O2 = CO2 + H2O + SO2 =>
2 C12H26S + 39 O2 = 24 CO2 + 26 H2O + 2 SO2
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
ZnCl2 + KOH = Zn(OH)2 + KCl =>
ZnCl2 + 2 KOH = Zn(OH)2 + 2 KCl
Mg(No3)2 + AgCl = MgCl2 + Ag(No3) =>
Mg(No3)2 + 2 AgCl = MgCl2 + 2 Ag(No3)
CaSO4 + NH3 = CaH3 + NSO4 =>
CaSO4 + NH3 = CaH3 + NSO4
CH3CH2OH + KMnO4 + CH3COOH(aq) = CH3COOK + Mn(CH3COO)2 + H2O =>
5 CH3CH2OH + 4 KMnO4 + 7 CH3COOH(aq) = 4 CH3COOK + 4 Mn(CH3COO)2 + 11 H2O
Mn + H2SO4 = MnSO4 + S + H2O =>
3 Mn + 4 H2SO4 = 3 MnSO4 + S + 4 H2O
MnCl2 + H2S = SMn + HCl =>
MnCl2 + H2S = SMn + 2 HCl
KFeO2 + HNO3 = KNO3 + Fe(NO3)3 + H2O =>
KFeO2 + 4 HNO3 = KNO3 + Fe(NO3)3 + 2 H2O
NiSO4 + (NH4)2SO4 = (NH4)2Ni(SO4)2 =>
NiSO4 + (NH4)2SO4 = (NH4)2Ni(SO4)2
Ba{2+}(aq) + CO3{2-}(aq) = BaCO3(s) =>
Ba{2+}(aq) + CO3{2-}(aq) = BaCO3(s)
C6H5NH2 + HNO3 = CO2 + H2O + N2 =>
5 C6H5NH2 + 31 HNO3 = 30 CO2 + 33 H2O + 18 N2
MnO4 + Zn + H2O = MnO2 + Zn(OH)2 =>
MnO4 + 2 Zn + 2 H2O = MnO2 + 2 Zn(OH)2
CH4 + Br2 = CH4Br2 =>
CH4 + Br2 = CH4Br2
C15H15N3O2 + NaOH = H2CO3 + Na + N3 + H2O =>
C15H15N3O2 + 71 NaOH = 15 H2CO3 + 71 Na + N3 + 28 H2O
S + Cl2 = SCl3 =>
2 S + 3 Cl2 = 2 SCl3
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