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K2S + 2 O2 = K2SO4
Si(vl) + O2 = SiO =>
2 Si(vl) + O2 = 2 SiO
MgS = Mg + S4 =>
4 MgS = 4 Mg + S4
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
Al2(SO4)3 + CaCl2 = AlCl3 + CaSO4 =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
SH6 = S + H2 =>
SH6 = S + 3 H2
H2S + HNO3 = S + N20 + H2O =>
50 H2S + 20 HNO3 = 50 S + N20 + 60 H2O
Ni(NO3)2 + HClO + H2O = Ni(OH)3 + HNO3 + HCl =>
2 Ni(NO3)2 + HClO + 5 H2O = 2 Ni(OH)3 + 4 HNO3 + HCl
K2S + Al(OH)3 = Al2S3 + KOH =>
3 K2S + 2 Al(OH)3 = Al2S3 + 6 KOH
[Co(H2O)6] + H2O2 = [Co(H2O)6(OH)2] =>
[Co(H2O)6] + H2O2 = [Co(H2O)6(OH)2]
K2O + AlP = K2P + AlO =>
K2O + AlP = K2P + AlO
KBr + KClO3 + H2SO4 = Br2 + KCl + K2SO4 + H2O =>
6 KBr + KClO3 + 3 H2SO4 = 3 Br2 + KCl + 3 K2SO4 + 3 H2O
N(OH)2 + H3PO4 = N3(PO4)2 + H2O =>
3 N(OH)2 + 2 H3PO4 = N3(PO4)2 + 6 H2O
HNo2 + KMnO4 + H2SO4 = HNo3 + MnSO4 + KSO4 + H2O =>
12 HNo2 + KMnO4 + 2 H2SO4 = 8 HNo3 + MnSO4 + KSO4 + 4 H2O
NH4(OH) + NaCo3 = NH4Co3 + Na(OH) =>
NH4(OH) + NaCo3 = NH4Co3 + Na(OH)
MnSO4 + Ca(ClO2) + NaOH = Na2MnO4 + CaCl + Na2SO4 + H2O =>
MnSO4 + Ca(ClO2) + 4 NaOH = Na2MnO4 + CaCl + Na2SO4 + 2 H2O
Pb(CH3COO)2 + KI = PbI2 + CH3COOK =>
Pb(CH3COO)2 + 2 KI = PbI2 + 2 CH3COOK
Ba + HNO3 = H2Ba + NO3 =>
Ba + 2 HNO3 = H2Ba + 2 NO3
AgNO3 + Pb(ClO)2 = AgClO + Pb(NO3)2 =>
2 AgNO3 + Pb(ClO)2 = 2 AgClO + Pb(NO3)2
KBr + KClO3 + H2SO4 = Br2 + KCl + K2SO4 + H2O =>
6 KBr + KClO3 + 3 H2SO4 = 3 Br2 + KCl + 3 K2SO4 + 3 H2O
CuSO4 + K2CO3 = Cu2(CO3)2 + K2SO4 =>
2 CuSO4 + 2 K2CO3 = Cu2(CO3)2 + 2 K2SO4
C2H5Br + Na = C2H5Na + Br2 =>
2 C2H5Br + 2 Na = 2 C2H5Na + Br2
ZnH2S = H2 + ZnS =>
ZnH2S = H2 + ZnS
CaCO3 + H2SO4(aq) = CO2 + CaSO4 + H2O =>
CaCO3 + H2SO4(aq) = CO2 + CaSO4 + H2O
Cr203 + Na2CO3 + KNO3 = NaCrO4 + CO2 + KNO2 =>
2 Cr203 + 203 Na2CO3 + 1421 KNO3 = 406 NaCrO4 + 203 CO2 + 1421 KNO2
CdS + H2O = Cd(OH)2 + H2S =>
CdS + 2 H2O = Cd(OH)2 + H2S
(NH4)2Co3(aq) + MgCl2(aq) = NH4Cl(aq) + MgCo3(s) =>
(NH4)2Co3(aq) + MgCl2(aq) = 2 NH4Cl(aq) + MgCo3(s)
MgO + P2O3 = Mg3(PO3)2 =>
3 MgO + P2O3 = Mg3(PO3)2
Ca(s) + N2(g) = Ca3N2(s) =>
3 Ca(s) + N2(g) = Ca3N2(s)
Fe + K4[Fe(CN)6] = K3[Fe(CN)6] + KFe =>
Fe + K4[Fe(CN)6] = K3[Fe(CN)6] + KFe
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
CaN6 + P3N5 = CaP8N14 + N2 =>
3 CaN6 + 8 P3N5 = 3 CaP8N14 + 8 N2
CrO3H3 + NaOH = NaCrO2 + H2O =>
CrO3H3 + NaOH = NaCrO2 + 2 H2O
Fe2(SO4)3 + H2O = H2(SO4) + Fe(OH)3 =>
Fe2(SO4)3 + 6 H2O = 3 H2(SO4) + 2 Fe(OH)3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + KClO3 + H2O = MnO2 + KClO4 + KOH =>
2 KMnO4 + 3 KClO3 + H2O = 2 MnO2 + 3 KClO4 + 2 KOH
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Cr(OH)3 + Br + NaOH = Na2CrO4 + NaBr + H2O =>
Cr(OH)3 + 3 Br + 5 NaOH = Na2CrO4 + 3 NaBr + 4 H2O
B5H9 + H2O = H3BO3 + H =>
B5H9 + 15 H2O = 5 H3BO3 + 24 H
KOHCaCl2 = CaOHKCl2 =>
KOHCaCl2 = CaOHKCl2
Na(cr) + O2 = Na2O(cr) =>
4 Na(cr) + O2 = 2 Na2O(cr)
KMnO4 + H2SO4 + Na2SO3 = MnSO2 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 9 Na2SO3 = 2 MnSO2 + 9 Na2SO4 + K2SO4 + 3 H2O
KCrO3 + KClO + KOH = K2CrO4 + KCl + H2O =>
2 KCrO3 + KClO + 2 KOH = 2 K2CrO4 + KCl + H2O
H3PO4 + CaCl2 = Ca3(PO4)2 + HCl =>
2 H3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 HCl
H + MnO4{-} + Sn2{+} = Mn2{+} + Sn4{+} + H2O =>
16 H + 2 MnO4{-} + 6 Sn2{+} = Mn2{+} + 3 Sn4{+} + 8 H2O
Na2CO3 + KH2PO4 = NaH2PO4 + K2CO3 =>
Na2CO3 + 2 KH2PO4 = 2 NaH2PO4 + K2CO3
C8H9O2N + Zn + HCl = C8H11N + ZnCl2 + H2O =>
C8H9O2N + 3 Zn + 6 HCl = C8H11N + 3 ZnCl2 + 2 H2O
HgO(s) = Hg(l) + O2(g)2HgO(s) = Hg(l) + O2(g) =>
23 HgO(s) = 22 Hg(l) + O2(g)2HgO(s)
Cu + H2SO4(konc) = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4(konc) = CuSO4 + SO2 + 2 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
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