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SiO2 + Na2CO3 = Na2SiO3 + CO2
He = He2 =>
2 He = He2
C2H4 + H2O + (O) = C2H4(OH)2 =>
C2H4 + H2O + (O) = C2H4(OH)2
K2SiO3 + H2SO4 = KHSiO3 + K2SO4 =>
2 K2SiO3 + H2SO4 = 2 KHSiO3 + K2SO4
IO3{-} + HSO3{-} + H3O{+} = H2SO4 + I{-} + H2O =>
IO3{-} + 3 HSO3{-} + 3 H3O{+} = 3 H2SO4 + I{-} + 3 H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Hg(ClO3)2 + K3PO4 = Hg3(PO4)2 + KClO3 =>
3 Hg(ClO3)2 + 2 K3PO4 = Hg3(PO4)2 + 6 KClO3
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Pb + K2CrO4 = PbCrO4 + K2 =>
Pb + K2CrO4 = PbCrO4 + K2
HCl + Ca(OH)2 = H2(OH)2 + CaCl2 =>
2 HCl + Ca(OH)2 = H2(OH)2 + CaCl2
Fe + Cu{2+} = Fe{2+} + Cu =>
Fe + Cu{2+} = Fe{2+} + Cu
Li2S + HOH = LiHS + LiOH =>
Li2S + HOH = LiHS + LiOH
Ba(OH)2HBr = HBaBr(OH)2 =>
Ba(OH)2HBr = HBaBr(OH)2
NH4Cl + Na2S = H2S + NH3 + NaCl =>
2 NH4Cl + Na2S = H2S + 2 NH3 + 2 NaCl
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
KMnO4 + Na2SO3 + H2SO4 = Na2SO4 + K2SO4 + H2O + MnSO3 =>
2 KMnO4 + 7 Na2SO3 + 3 H2SO4 = 7 Na2SO4 + K2SO4 + 3 H2O + 2 MnSO3
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
K2S2O3 + HCl = KCl + H2S2O3 =>
K2S2O3 + 2 HCl = 2 KCl + H2S2O3
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Pt + HNO3 + HCl = H2PtCl6 + NO + H2O =>
3 Pt + 4 HNO3 + 18 HCl = 3 H2PtCl6 + 4 NO + 8 H2O
(HO)2 = HO =>
(HO)2 = 2 HO
KH2PO4 + CH3COOH = H3PO4 + KCH3COO =>
KH2PO4 + CH3COOH = H3PO4 + KCH3COO
PbCl2 + K2S = Pb2S2 + KCl =>
2 PbCl2 + 2 K2S = Pb2S2 + 4 KCl
H2O + HBr = H3O + Br2 =>
2 H2O + 2 HBr = 2 H3O + Br2
KOH + Al(OH)3 + H2SO4 = AlK(SO4)2 + H2O =>
KOH + Al(OH)3 + 2 H2SO4 = AlK(SO4)2 + 4 H2O
K2SO4 + KMnO4 + H2O = K2S2O8 + MnO2 + KOH =>
6 K2SO4 + 2 KMnO4 + 4 H2O = 3 K2S2O8 + 2 MnO2 + 8 KOH
NiCl2 + NaHCO3 = NiCO3 + NaHCl2 =>
NiCl2 + NaHCO3 = NiCO3 + NaHCl2
K2Cr2O7 + HCl + C2H5OH = C2H4O2 + CrCl3 + KCl + H2O =>
2 K2Cr2O7 + 16 HCl + 3 C2H5OH = 3 C2H4O2 + 4 CrCl3 + 4 KCl + 11 H2O
Li + H2O = LiO + H2 =>
Li + H2O = LiO + H2
H2SO3 = HOH + SO2 =>
H2SO3 = HOH + SO2
LiBr + CaF2 = CaBr2 + LiF =>
2 LiBr + CaF2 = CaBr2 + 2 LiF
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
As2H4 + O2 = As2O5 + H2O =>
2 As2H4 + 7 O2 = 2 As2O5 + 4 H2O
KMnO4 + CH3COOH = CH3COO + HMnO4 + K =>
KMnO4 + CH3COOH = CH3COO + HMnO4 + K
K2S + PbCl2 = K2Cl2 + PbS =>
K2S + PbCl2 = K2Cl2 + PbS
CaSO4 + Ba(HCO3)2 = Ca(HCO3)2 + BaSO4 =>
CaSO4 + Ba(HCO3)2 = Ca(HCO3)2 + BaSO4
NiCl2 + NaHCO3 = NiCO3 + NaCl + CO2 + H2O =>
NiCl2 + 2 NaHCO3 = NiCO3 + 2 NaCl + CO2 + H2O
BeO + HCl = Be(Cl) + OH =>
BeO + HCl = Be(Cl) + OH
Pb(NO3)2 + NH4OH = Pb(OH)2 + (NH4)NO3 =>
Pb(NO3)2 + 2 NH4OH = Pb(OH)2 + 2(NH4)NO3
Db2 + KMn4 = DbMn3 + K =>
2 Db2 + 3 KMn4 = 4 DbMn3 + 3 K
CH4(s) + O2(s) = CO2(s) + H2O =>
CH4(s) + 2 O2(s) = CO2(s) + 2 H2O
NO2 + CuO = Cu(NO2)2 + Cu(NO3)2 =>
4 NO2 + 2 CuO = Cu(NO2)2 + Cu(NO3)2
CuS + O2 = CuO + SO =>
CuS + O2 = CuO + SO
HNO3 + O2 = NO3 + H2O =>
4 HNO3 + O2 = 4 NO3 + 2 H2O
FeS{+2} + O{+2} = SO{+2} + Fe{+2}O{+2} =>
FeS{+2} + O{+2} = SO{+2} + Fe{+2}O{+2}
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