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3 H2S + 2 Co(OH)3 = Co2S3 + 6 H2O
I2 + Na2S2O3 + H2SO4 = NaI + Na2S4O7 + H2O =>
2 I2 + 5 Na2S2O3 + 2 H2SO4 = 4 NaI + 3 Na2S4O7 + 2 H2O
Al + (PbNO3)2 = Pb + AlNO3 =>
2 Al + (PbNO3)2 = 2 Pb + 2 AlNO3
KY + KYO3 + H2SO4 = Y2 + K2SO4 + H2O =>
5 KY + KYO3 + 3 H2SO4 = 3 Y2 + 3 K2SO4 + 3 H2O
Na2ZrO3 + HCl = ZrOCl2 + NaOH =>
Na2ZrO3 + 2 HCl = ZrOCl2 + 2 NaOH
K + N2 = KN2 =>
K + N2 = KN2
FeCl2 + HNO3 + HCl = FeCl3 + NO + H2O =>
3 FeCl2 + HNO3 + 3 HCl = 3 FeCl3 + NO + 2 H2O
Ag + KI = AgKI =>
Ag + KI = AgKI
FeSO4{2-} + KOH{-} = FeOH{-} + KSO4{2-} =>
FeSO4{2-} + KOH{-} = FeOH{-} + KSO4{2-}
Mg(H2PO4)2 + KOH = Mg(OH)2 + K3PO4 + H2O =>
Mg(H2PO4)2 + 6 KOH = Mg(OH)2 + 2 K3PO4 + 4 H2O
KCr(SO4)2 + (NH4)6Mo7O24 + H2O = (NH4)3H6(Cr(MoO4)6) + (NH4)2SO4 + K2SO4 + (NH4)HSO4 =>
14 KCr(SO4)2 + 12(NH4)6Mo7O24 + 48 H2O = 14(NH4)3H6(Cr(MoO4)6) + 9(NH4)2SO4 + 7 K2SO4 + 12(NH4)HSO4
BaCl2 + H2SO4 = Ba2(SO4)2 + H2Cl2 =>
2 BaCl2 + 2 H2SO4 = Ba2(SO4)2 + 2 H2Cl2
AgNO3 + K2SO4 = Ag2SO4 + NO3K =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 NO3K
NaHSO4 + KNO3 + NH3 = K2SO4 + Na2SO4 + NH4NO3 =>
2 NaHSO4 + 2 KNO3 + 2 NH3 = K2SO4 + Na2SO4 + 2 NH4NO3
(NH4)2SO3 = H2O + NH3 + SO2 =>
(NH4)2SO3 = H2O + 2 NH3 + SO2
KOH + C = K + H2 + K2CO3 =>
6 KOH + 2 C = 2 K + 3 H2 + 2 K2CO3
CaCO3(ac) = CaO(s) + CO2(g) =>
CaCO3(ac) = CaO(s) + CO2(g)
Ni(s) + H2SO4(ac) = NiSO4(ac) + H2(g) =>
Ni(s) + H2SO4(ac) = NiSO4(ac) + H2(g)
Mn + H = MnH =>
Mn + H = MnH
HCl + K2CO3 = KCl + H2O + CO2 =>
2 HCl + K2CO3 = 2 KCl + H2O + CO2
Xe + N2 = XeN =>
2 Xe + N2 = 2 XeN
FeCl3 + H3PO4 = Fe3PO4 + HCl3 =>
3 FeCl3 + H3PO4 = Fe3PO4 + 3 HCl3
K2O + HPO4 = KPO4 + H2O =>
K2O + 2 HPO4 = 2 KPO4 + H2O
H2S + Cu(NO3)2 = Cu2S2 + HNO3 =>
2 H2S + 2 Cu(NO3)2 = Cu2S2 + 4 HNO3
Na2SO4 + (NH4)2S = Na2S + (NH4)2SO4 =>
Na2SO4 + (NH4)2S = Na2S + (NH4)2SO4
CuCl4 + BaCl2 = CuCl6 + Ba =>
CuCl4 + BaCl2 = CuCl6 + Ba
Fe(CH3COO)3 + MgSO4 = Mg(CH3COO)2 + Fe2(SO4)3 =>
2 Fe(CH3COO)3 + 3 MgSO4 = 3 Mg(CH3COO)2 + Fe2(SO4)3
CaCl2 + Ba(NO3)2 = BaCl2 + Ca(NO3)2 =>
CaCl2 + Ba(NO3)2 = BaCl2 + Ca(NO3)2
Na2S + ZnCl2 = NaCl + ZnS =>
Na2S + ZnCl2 = 2 NaCl + ZnS
HBr + Cl2 = HCl + Br2 =>
2 HBr + Cl2 = 2 HCl + Br2
CuCl + Ba(OH)2 = BaCl + Cu(OH)2 =>
CuCl + Ba(OH)2 = BaCl + Cu(OH)2
K2Cr2O7 + Fe3Cl2 + HCl = CrCl3 + KCl + FeCl3 + H2O =>
7 K2Cr2O7 + 6 Fe3Cl2 + 98 HCl = 14 CrCl3 + 14 KCl + 18 FeCl3 + 49 H2O
KI + CuSO4 = I2 + K2SO4 + CuI =>
4 KI + 2 CuSO4 = I2 + 2 K2SO4 + 2 CuI
CuCl + Br = CuClBr =>
CuCl + Br = CuClBr
KClO3 + Na2S = Na2ClO3 + KS =>
KClO3 + Na2S = Na2ClO3 + KS
BaCr2O7 + NaOH = Na2Cr2O7 + Ba(OH)2 =>
BaCr2O7 + 2 NaOH = Na2Cr2O7 + Ba(OH)2
Nh4 + HCl = Nh4Cl + H2 =>
2 Nh4 + 2 HCl = 2 Nh4Cl + H2
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
MnO2 + H = Mn + OH =>
MnO2 + 2 H = Mn + 2 OH
Na4[Fe(CN)6] + Cl2 = Na3[Fe(CN)6]3 + NaCl =>
6 Na4[Fe(CN)6] + 9 Cl2 = 2 Na3[Fe(CN)6]3 + 18 NaCl
Ag2S(s) + Al(s) + H2O(l) = Ag(s) + H2S(g) + Al2O3(s) =>
3 Ag2S(s) + 2 Al(s) + 3 H2O(l) = 6 Ag(s) + 3 H2S(g) + Al2O3(s)
NH4 + OH + HCl = NH4Cl + H2O =>
NH4 + OH + HCl = NH4Cl + H2O
MgCl2(aq) + Ca(s) = Mg + CaCl2 =>
MgCl2(aq) + Ca(s) = Mg + CaCl2
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
H2O(l) + CO2 = H2CO3 =>
H2O(l) + CO2 = H2CO3
S + KOH = K2S + K2SO3 + H2O =>
3 S + 6 KOH = 2 K2S + K2SO3 + 3 H2O
NH4NO3 + CuBr2 = NH4Br + Cu(NO3)2 =>
2 NH4NO3 + CuBr2 = 2 NH4Br + Cu(NO3)2
H3PO4 + NaCl = Na3PO4 + HCl =>
H3PO4 + 3 NaCl = Na3PO4 + 3 HCl
ZnS + SrCl2 = ZnCl2 + SrS =>
ZnS + SrCl2 = ZnCl2 + SrS
C2H2O3 + C2H8N2 + C6H6O4S + NaOH = C18H16N2O6Na4 + H2SO4 + H2O =>
2 C2H2O3 + C2H8N2 + 2 C6H6O4S + 4 NaOH = C18H16N2O6Na4 + 2 H2SO4 + 4 H2O
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