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2 HF = F2H2
K2OH2SO3 = K2SO3H2O =>
K2OH2SO3 = K2SO3H2O
CuSO4(s)*5H2O(s) = CuSO4(s) + H2O(g) =>
CuSO4(s)*5H2O(s) = CuSO4(s) + 5 H2O(g)
KClO3 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
Li2O(s) + H2O = LiOH =>
Li2O(s) + H2O = 2 LiOH
Zn + Fe(OH)2 = Zn(OH)2 + Fe =>
Zn + Fe(OH)2 = Zn(OH)2 + Fe
C2H5OHCH3CO2H = CH3CO2C2H5H2O =>
C2H5OHCH3CO2H = CH3CO2C2H5H2O
NiO + SO3 = Ni + SO4 =>
NiO + SO3 = Ni + SO4
ZnOH2 + CO2 = ZnCO3 + H2 =>
ZnOH2 + CO2 = ZnCO3 + H2
H2SO4 + Li2O + CaO = CaLi2(SO4)2 + H2O =>
2 H2SO4 + Li2O + CaO = CaLi2(SO4)2 + 2 H2O
C5H8O2 + Br2 = C5H7BrO2 + HBr =>
C5H8O2 + Br2 = C5H7BrO2 + HBr
Au3 + O2 = Au3O2 =>
Au3 + O2 = Au3O2
Al(OH)3 + NaHCO3 = NaOH + Al(HCO3)3 =>
Al(OH)3 + 3 NaHCO3 = 3 NaOH + Al(HCO3)3
ZnCl2(aq) + KOH(aq) = Zn(OH)2(s) + KCl(aq) =>
ZnCl2(aq) + 2 KOH(aq) = Zn(OH)2(s) + 2 KCl(aq)
V + F = VF3 =>
V + 3 F = VF3
HF + NaOH = HOH + NaF =>
HF + NaOH = HOH + NaF
Fe2O3 + H2S = Fe2S3 + H2O =>
Fe2O3 + 3 H2S = Fe2S3 + 3 H2O
Ag(NH3)2Cl + HNO3 = Ag(NH3)2NO3 + HCl =>
Ag(NH3)2Cl + HNO3 = Ag(NH3)2NO3 + HCl
Pb + HF = H + PbF =>
Pb + HF = H + PbF
CaCl2 + HF = CaF2 + HCl =>
CaCl2 + 2 HF = CaF2 + 2 HCl
Na2CrO4 + Al2(SO4)3 = Na2SO4 + Al2(CrO4)3 =>
3 Na2CrO4 + Al2(SO4)3 = 3 Na2SO4 + Al2(CrO4)3
O4 = O9 =>
9 O4 = 4 O9
Nd2(CO3)3 + HNO3 = Nd(NO3)3 + H2O + CO2 =>
Nd2(CO3)3 + 6 HNO3 = 2 Nd(NO3)3 + 3 H2O + 3 CO2
Cr2O7{-}2 + H2O2 + H{+} = CrO5 + H2O =>
2 Cr2O7{-}2 + 7 H2O2 + 2 H{+} = 4 CrO5 + 8 H2O
C8H10N + O2 = CO2 + H2O + NO2 =>
2 C8H10N + 23 O2 = 16 CO2 + 10 H2O + 2 NO2
Ba(OH)2*8H2O + NH4NO3 = Ba(NO3)2 + NH + H2O =>
Ba(OH)2*8H2O + 3 NH4NO3 = Ba(NO3)2 + 4 NH + 13 H2O
ZnCuS04 = ZnS04Cu =>
ZnCuS04 = ZnS04Cu
B4H19 + O2 = B2O3 + H2O =>
4 B4H19 + 31 O2 = 8 B2O3 + 38 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
H = H3 =>
3 H = H3
MnSO4 + Mg(HCO3)2 + O2 = MnO2 + CO2 + MgSO4 + H2O =>
2 MnSO4 + 2 Mg(HCO3)2 + O2 = 2 MnO2 + 4 CO2 + 2 MgSO4 + 2 H2O
H2SO3 + LiHCO3 = CO2 + H2O + Li2SO3 =>
H2SO3 + 2 LiHCO3 = 2 CO2 + 2 H2O + Li2SO3
Br2 + H2SO4 = HBrO4 + SO2 + H2O =>
Br2 + 7 H2SO4 = 2 HBrO4 + 7 SO2 + 6 H2O
Cu(ClO4)2 + Rb3PO4 = Cu3(PO4)2 + Rb(ClO4) =>
3 Cu(ClO4)2 + 2 Rb3PO4 = Cu3(PO4)2 + 6 Rb(ClO4)
ZnS + O2 = ZnO2 + S2O =>
4 ZnS + 5 O2 = 4 ZnO2 + 2 S2O
Al + FeI = Fe + AlI =>
Al + FeI = Fe + AlI
K2(Ni(CN)4) + N2H4 + KOH = K3(Ni(CN)4) + N2 + H2O =>
4 K2(Ni(CN)4) + N2H4 + 4 KOH = 4 K3(Ni(CN)4) + N2 + 4 H2O
(NH4)2C2O4 + KMnO4 + NaOH = KNaMnO4 + CO2 + N2 + H2O =>
(NH4)2C2O4 + 8 KMnO4 + 8 NaOH = 8 KNaMnO4 + 2 CO2 + N2 + 8 H2O
CH5OH + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
CH5OH + K2Cr2O7 + 4 H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + 6 H2O
Mg(OH)2 + HCl = (MgOH)Cl + H2O =>
Mg(OH)2 + HCl = (MgOH)Cl + H2O
Fe2CO3 + CO = Fe2 + CO2 =>
Fe2CO3 + CO = Fe2 + 2 CO2
Na2[Pb(OH)6] + Cr2(SO4)3 + NaOH = Na2CrO4 + Na2SO4 + Na2[Pb(OH)4] + H2O =>
3 Na2[Pb(OH)6] + Cr2(SO4)3 + 10 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 3 Na2[Pb(OH)4] + 8 H2O
LiBr + I = LiI + Br2 =>
2 LiBr + 2 I = 2 LiI + Br2
KMnO4 + CH2CHCH2CH3 + H2O = CH2(OH)CH2OH + KOH + MnO2 =>
4 KMnO4 + 3 CH2CHCH2CH3 + 8 H2O = 6 CH2(OH)CH2OH + 4 KOH + 4 MnO2
Fe2O3 + H2SO4 = Fe2((SO4))3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2((SO4))3 + 3 H2O
Hg(NO3)2 + CuCl2 = HgCl2 + Cu(NO3)2 =>
Hg(NO3)2 + CuCl2 = HgCl2 + Cu(NO3)2
FeCl3 + H2SO4 = Cl2 + FeSO4 + HCl =>
2 FeCl3 + 2 H2SO4 = Cl2 + 2 FeSO4 + 4 HCl
C8H17OH + O = CO2 + H2O =>
C8H17OH + 24 O = 8 CO2 + 9 H2O
NaOH + HCl + CuSO4 = Cu(OH)2 + NaCl + H2SO4 =>
2 NaOH + 2 HCl + CuSO4 = Cu(OH)2 + 2 NaCl + H2SO4
Co{2+} + SCN{-} = Co(SCN)4{-2} =>
Co{2+} + 4 SCN{-} = Co(SCN)4{-2}
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