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4 Co(s) + 3 O2(g) = 2 Co2O3(s)
H2SiO3 = SiO2 + H2O =>
H2SiO3 = SiO2 + H2O
AgNO3(aq) + K2CO3(aq) = Ag2CO3(s) + KNO3(aq) =>
2 AgNO3(aq) + K2CO3(aq) = Ag2CO3(s) + 2 KNO3(aq)
C4H6O5 + H2O = CO2 + CH3OH =>
C4H6O5 + H2O = 2 CO2 + 2 CH3OH
As2S3 + H2O2 + NH3 = (NH4)3AsO4 + (NH4)2SO4 + H2O =>
As2S3 + 14 H2O2 + 12 NH3 = 2(NH4)3AsO4 + 3(NH4)2SO4 + 8 H2O
CdCl2 + Na2S = CdS + NaCl =>
CdCl2 + Na2S = CdS + 2 NaCl
S3 = S2 =>
2 S3 = 3 S2
C6H5NH2 + C4H6O3 = C6H5NH(COCH3) + CH3COOH =>
C6H5NH2 + C4H6O3 = C6H5NH(COCH3) + CH3COOH
(NH4)2[PbCl6] + H2O = NH4OH + H2PbCl6 =>
(NH4)2[PbCl6] + 2 H2O = 2 NH4OH + H2PbCl6
NaCH3COO + HCl = NaCl + HCH3COO =>
NaCH3COO + HCl = NaCl + HCH3COO
CaCO3 + SO2 + H2O + O2 = CaSO4(H2O)2 + H2CO3 =>
2 CaCO3 + 2 SO2 + 6 H2O + O2 = 2 CaSO4(H2O)2 + 2 H2CO3
Ag(NO3) + KI = AgI + K(NO3) =>
Ag(NO3) + KI = AgI + K(NO3)
Zn + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn + 2 HCl(aq) = ZnCl2(aq) + H2(g)
H3OBr + AgNO3 = AgBr + HNO3 + H2O =>
H3OBr + AgNO3 = AgBr + HNO3 + H2O
CuSO4 + KI = CuI + KI3 + K2SO4 =>
2 CuSO4 + 5 KI = 2 CuI + KI3 + 2 K2SO4
Li + Cu(OH)2 = Li(OH)2 + Cu =>
Li + Cu(OH)2 = Li(OH)2 + Cu
SbO + H2O = H2SbO2 =>
SbO + H2O = H2SbO2
CaCl2 + Cu = Ca + CuCl2 =>
CaCl2 + Cu = Ca + CuCl2
BaC4H6O4 + (NH4)2SO4 = BaSO4 + NH4C2H3O2 =>
BaC4H6O4 + (NH4)2SO4 = BaSO4 + 2 NH4C2H3O2
ZrO(NO3)2(aq) + NaOH(aq) = ZrO(OH)2 + NaNO3 =>
ZrO(NO3)2(aq) + 2 NaOH(aq) = ZrO(OH)2 + 2 NaNO3
Mn + Al(C2H3O2)3 = Mn(C2H3O2)4 + Al =>
3 Mn + 4 Al(C2H3O2)3 = 3 Mn(C2H3O2)4 + 4 Al
H2MnO4 + KNO2 = KMnO4 + H2 + NO2 =>
H2MnO4 + KNO2 = KMnO4 + H2 + NO2
Cl2 + HF = HCl + F =>
Cl2 + 2 HF = 2 HCl + 2 F
Li(s) + HCl(aq) = H2(g) + LiCl =>
2 Li(s) + 2 HCl(aq) = H2(g) + 2 LiCl
NH3 + NO3 = N2O + H2O =>
10 NH3 + 8 NO3 = 9 N2O + 15 H2O
Al2O3 + KOH = K3AlO3 + H2O =>
Al2O3 + 6 KOH = 2 K3AlO3 + 3 H2O
NaNO3 + HBr = NaBr + HNO3 =>
NaNO3 + HBr = NaBr + HNO3
Na2XeO4 + O3 + NaOH = Na4XeO6 + H2O =>
3 Na2XeO4 + O3 + 6 NaOH = 3 Na4XeO6 + 3 H2O
K2CrO4 = K + CrO4 =>
K2CrO4 = 2 K + CrO4
Hg + NaCl = HgCl2 + Na =>
Hg + 2 NaCl = HgCl2 + 2 Na
AlCl3 + NiCO3 = Al2(CO3)3 + NiCl2 =>
2 AlCl3 + 3 NiCO3 = Al2(CO3)3 + 3 NiCl2
SbO + H2O = H2SbO2 =>
SbO + H2O = H2SbO2
Cu(NO3)2 + K4Fe(CN)6 = Cu(CN)2 + K4Fe(NO3)6 =>
3 Cu(NO3)2 + K4Fe(CN)6 = 3 Cu(CN)2 + K4Fe(NO3)6
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
KMnO4 + C2H2O2 + H2SO4 = MnSO4 + KC2H3O2 + H2 + O2 =>
2 KMnO4 + 2 C2H2O2 + 2 H2SO4 = 2 MnSO4 + 2 KC2H3O2 + H2 + 4 O2
K2SiO3 = K + SiO3 =>
K2SiO3 = 2 K + SiO3
Mg2Si + H2O = Mg(OH)2 + SiH4 =>
Mg2Si + 4 H2O = 2 Mg(OH)2 + SiH4
Ca3(PO4)2(s) + H2SO4(aq) = H3PO4(aq) + CaSO4(aq) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 2 H3PO4(aq) + 3 CaSO4(aq)
K2CO3(s) + HNO3(aq) = KNO3(aq) + H2O(l) + CO2(g) =>
K2CO3(s) + 2 HNO3(aq) = 2 KNO3(aq) + H2O(l) + CO2(g)
CH3COOH + H2O2 = C2H4O3 + H2O =>
CH3COOH + H2O2 = C2H4O3 + H2O
CO + KOH = K2CO2 + H2O =>
CO + 2 KOH = K2CO2 + H2O
PbClF = Pb + ClF =>
PbClF = Pb + ClF
Ag(s) + CuCl2(aq) = AgCl(aq) + Cu(s) =>
2 Ag(s) + CuCl2(aq) = 2 AgCl(aq) + Cu(s)
H2O + NH2OH = H3O{-} + NH2O{+} =>
H2O + NH2OH = H3O{-} + NH2O{+}
H3PO4 + C = P4 + CO + H2O =>
4 H3PO4 + 10 C = P4 + 10 CO + 6 H2O
Cr + HI = CrI2 + H2 =>
Cr + 2 HI = CrI2 + H2
CuSO4 + H2O = Cu(OH)2 + H2SO4 =>
CuSO4 + 2 H2O = Cu(OH)2 + H2SO4
S + H2O2 = SO2 + H2O =>
S + 2 H2O2 = SO2 + 2 H2O
N2H4 + H2O = N2 + H3O =>
N2H4 + 4 H2O = N2 + 4 H3O
Al(OH)2Cl + HCl = Al(OH)Cl2 + H2O =>
Al(OH)2Cl + HCl = Al(OH)Cl2 + H2O
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