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2 MnO4{-} + 3 NO2{-} + H2O = 2 MnO2 + 3 NO3{-} + 2 OH{-}
NaBr + Na2S = Na + BrS =>
NaBr + Na2S = 3 Na + BrS
HS + O = HO + S =>
HS + O = HO + S
CaO + hydrogen = water + calcium =>
CaO + H2 = H2O + Ca
Sn + Cl = SnCl2 =>
Sn + 2 Cl = SnCl2
Cr + PO4 = Cr(PO4) =>
Cr + PO4 = Cr(PO4)
Na2SO4 + C = Na2S + CO =>
Na2SO4 + 4 C = Na2S + 4 CO
Ca(MnO4)2 + HCl = CaCl2 + MnCl2 + H2O + Cl2 =>
Ca(MnO4)2 + 16 HCl = CaCl2 + 2 MnCl2 + 8 H2O + 5 Cl2
FeSO4 + I2 = FeI3 + SO4 =>
2 FeSO4 + 3 I2 = 2 FeI3 + 2 SO4
Ca(OH)2(aq) + H2SO4(aq) = CaSO4(s) + H2O(l) =>
Ca(OH)2(aq) + H2SO4(aq) = CaSO4(s) + 2 H2O(l)
CuI2 + Na3PO4 = Cu3(PO4)2 + NaI =>
3 CuI2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaI
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
PbO2H2 = PbO + H2O =>
PbO2H2 = PbO + H2O
Tl + C = TlC =>
Tl + C = TlC
Hg + ZnCl2 = HgCl + Zn =>
2 Hg + ZnCl2 = 2 HgCl + Zn
C2O + O2 = C2O2 =>
2 C2O + O2 = 2 C2O2
C3H6O3 + H2O = CH3OH + CO2 =>
C3H6O3 + H2O = 2 CH3OH + CO2
Na2CO3 + NaOH = H2CO3 + Na2O =>
Na2CO3 + 2 NaOH = H2CO3 + 2 Na2O
HF + KOH = HOH + KF =>
HF + KOH = HOH + KF
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Nb + HNO3 + HF = H2(NbF7) + NO + H2O =>
3 Nb + 5 HNO3 + 21 HF = 3 H2(NbF7) + 5 NO + 10 H2O
HNO3 + P2 + H2O = H3PO4 + N2O =>
10 HNO3 + 4 P2 + 7 H2O = 8 H3PO4 + 5 N2O
Na2CO3 + Cu(SO4)2 = Na2(SO4)2 + CuCO3 =>
Na2CO3 + Cu(SO4)2 = Na2(SO4)2 + CuCO3
Li3O4P + MgSO4 = Li2O4S + Mg3O8P2 =>
2 Li3O4P + 3 MgSO4 = 3 Li2O4S + Mg3O8P2
Sr(OH)2 + (NH4)2S = NH3 + H2O + SrS =>
Sr(OH)2 + (NH4)2S = 2 NH3 + 2 H2O + SrS
Fe2O3 + Cl2O5 = Fe(ClO3)3 =>
Fe2O3 + 3 Cl2O5 = 2 Fe(ClO3)3
Bi2O3(s) + C(s) = Bi(s) + CO(g) =>
Bi2O3(s) + 3 C(s) = 2 Bi(s) + 3 CO(g)
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
FeBr3 + K3Po4 = FePo4 + KBr =>
FeBr3 + K3Po4 = FePo4 + 3 KBr
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2O3 + Cl2O5 = Fe(ClO3)3 =>
Fe2O3 + 3 Cl2O5 = 2 Fe(ClO3)3
Na2SO4 + Ca(No3)2 = CaSO4 + NaNo3 =>
Na2SO4 + Ca(No3)2 = CaSO4 + 2 NaNo3
Cu(N3)2 = Cu + N2 =>
Cu(N3)2 = Cu + 3 N2
Bi2O3(s) + C(s) = Bi(s) + CO(g) =>
Bi2O3(s) + 3 C(s) = 2 Bi(s) + 3 CO(g)
H3NBH3 + H2O = NH4{+} + BO2{-} + H2 =>
H3NBH3 + 2 H2O = NH4{+} + BO2{-} + 3 H2
Zr + O2 = ZrO2 =>
Zr + O2 = ZrO2
MgO + KNO3 = Mg(NO3)2 + O2 + K =>
2 MgO + 4 KNO3 = 2 Mg(NO3)2 + O2 + 4 K
FeCl3(aq) + NH4OH(aq) = Fe(OH)3(s) + NH4Cl(aq) =>
FeCl3(aq) + 3 NH4OH(aq) = Fe(OH)3(s) + 3 NH4Cl(aq)
N2 + O = NO2 =>
N2 + 4 O = 2 NO2
Fe + KSCN = FeSCN + K =>
Fe + KSCN = FeSCN + K
C6H5COOH + Na = C6H5COONa + H2 =>
2 C6H5COOH + 2 Na = 2 C6H5COONa + H2
CrCl3 + NaOH + H2O2 = Na2Cr2O7 + NaCl + H2O =>
2 CrCl3 + 8 NaOH + 3 H2O2 = Na2Cr2O7 + 6 NaCl + 7 H2O
CaCO3 + NH4H2PO4 = Ca4O(PO4)2 + NH3 + CO2 + H2O =>
4 CaCO3 + 2 NH4H2PO4 = Ca4O(PO4)2 + 2 NH3 + 4 CO2 + 3 H2O
Mg + ZnCl2 = Zn + MgCl2 =>
Mg + ZnCl2 = Zn + MgCl2
NH3 + KOH + K2[HgI4] = [OHg2NH2]I + H2O + KI =>
NH3 + 3 KOH + 2 K2[HgI4] = [OHg2NH2]I + 2 H2O + 7 KI
Bi + HCl = BiCl + H =>
Bi + HCl = BiCl + H
CH3Cl + H2O = CH3OH + HCl =>
CH3Cl + H2O = CH3OH + HCl
Mg + ZnCl2 = Zn + MgCl2 =>
Mg + ZnCl2 = Zn + MgCl2
CUO + CO2 + H2O = (CUOH)2CO3 =>
2 CUO + CO2 + H2O = (CUOH)2CO3
Mn + SO4 + H2O = MnO4 + H2SO3 =>
Mn + 2 SO4 + 2 H2O = MnO4 + 2 H2SO3
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