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H4SiO4 + 6 H2Mo2O7 = H8[Si(Mo2O7)6] + 4 H2O
SrS(aq) + K2SO4(aq) = K2S + SrSO4 =>
SrS(aq) + K2SO4(aq) = K2S + SrSO4
PbBr2 = Pb + Br =>
PbBr2 = Pb + 2 Br
H2PO4{-} + H2O = HPO42{-} + H3O =>
H2PO4{-} + 115 H2O = HPO42{-} + 77 H3O
Ca(NO3)2 + Na3PO4 = CaPO4 + Na3N2O6 =>
Ca(NO3)2 + Na3PO4 = CaPO4 + Na3N2O6
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Cr + ClO3 = CrO4 + ClO2 =>
Cr + 4 ClO3 = CrO4 + 4 ClO2
Al(s) + Cu2O2(s) = Al2O3(s) + Cu(l) =>
4 Al(s) + 3 Cu2O2(s) = 2 Al2O3(s) + 6 Cu(l)
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH4CH3COO + HgNO3 = NH4NO3 + HgCH3COO =>
NH4CH3COO + HgNO3 = NH4NO3 + HgCH3COO
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Cr2O3 + H2O + O2 = Cr(OH)6 =>
2 Cr2O3 + 12 H2O + 3 O2 = 4 Cr(OH)6
AgN2 + NaBr = AgBr + N2Na =>
AgN2 + NaBr = AgBr + N2Na
Zn(s) + NiSO4(aq) = ZnSO4(aq) + Ni(s) =>
Zn(s) + NiSO4(aq) = ZnSO4(aq) + Ni(s)
FeBr3 + Na2S = Fe2S3 + NaBr =>
2 FeBr3 + 3 Na2S = Fe2S3 + 6 NaBr
KNO3 + H2S = KNO2 + S + H2O =>
KNO3 + H2S = KNO2 + S + H2O
SNO2 + KOH = K2SNO3 + H2O =>
SNO2 + 2 KOH = K2SNO3 + H2O
Na2CrO4 + Pb(NO3)4 = NaNO3 + Pb(CrO4)2 =>
2 Na2CrO4 + Pb(NO3)4 = 4 NaNO3 + Pb(CrO4)2
FeCr2O7 + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCr2O7 + 8 K2CO3 + O2 = 2 Fe2O3 + 8 K2CrO4 + 8 CO2
K2C4H4O6 + NaOH = Na2C4H4O6 + KOH =>
K2C4H4O6 + 2 NaOH = Na2C4H4O6 + 2 KOH
H2S + Cr2O7{2-} + H3O{+} = Cr{3+} + S + H2O =>
3 H2S + Cr2O7{2-} + 8 H3O{+} = 2 Cr{3+} + 3 S + 15 H2O
NO2(g) + H20(l) = NO(g) + HNO3(aq) =>
40 NO2(g) + H20(l) = 20 NO(g) + 20 HNO3(aq)
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
K2CO3 + CuCO3Cu(OH)2H2O + C2H2O4 = K2(Cu(C2O4)2) + H2O + CO2 =>
2 K2CO3 + CuCO3Cu(OH)2H2O + 4 C2H2O4 = 2 K2(Cu(C2O4)2) + 6 H2O + 3 CO2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
BaSiO3 + H2O = H2SiO3 + BaO =>
BaSiO3 + H2O = H2SiO3 + BaO
H2O + SO2 + HNO3 = H2SO4 + N2O3 =>
H2O + 2 SO2 + 2 HNO3 = 2 H2SO4 + N2O3
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Na[Cr(OH4)] + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Na[Cr(OH4)] + 9 H2O2 + 2 NaOH = 2 Na2CrO4 + 14 H2O
NH3 + HNO3 = N2 + H2O =>
5 NH3 + 3 HNO3 = 4 N2 + 9 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O