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2 SeCl6 + 3 O2 = Se2O6 + 6 Cl2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
NaCNS + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Na2SO4 + HCN + H2O =>
10 NaCNS + 12 KMnO4 + 13 H2SO4 = 6 K2SO4 + 12 MnSO4 + 5 Na2SO4 + 10 HCN + 8 H2O
CrCl3 + HClO3 + H2O = H2Cr2O7 + HCl =>
2 CrCl3 + HClO3 + 4 H2O = H2Cr2O7 + 7 HCl
Zn(NO3)2 + Na2C2O4 = Zn(C2O4)2 + Na2(NO3) =>
Zn(NO3)2 + 2 Na2C2O4 = Zn(C2O4)2 + 2 Na2(NO3)
MnCl2 + NaOH + Cl2 = MnO2 + NaCl + H2O =>
MnCl2 + 4 NaOH + Cl2 = MnO2 + 4 NaCl + 2 H2O
Na2B4O7(s) + HCl(aq) + H2O = NaCl(aq) + H3BO3(aq) =>
Na2B4O7(s) + 2 HCl(aq) + 5 H2O = 2 NaCl(aq) + 4 H3BO3(aq)
PbS2O3 + O2 + ZnO = PbSO4 + ZnSO3 =>
2 PbS2O3 + 3 O2 + 2 ZnO = 2 PbSO4 + 2 ZnSO3
K2CO3(aq) + HBr(aq) = KBr + H2CO3 =>
K2CO3(aq) + 2 HBr(aq) = 2 KBr + H2CO3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C2H6 + K2Cr2O7 + H2SO4 = CH3COH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H6 + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
HCOOH + CH3OH = HCOOCH3 + H2O =>
HCOOH + CH3OH = HCOOCH3 + H2O
Li + HgSO4 = Li2SO4 + Hg =>
2 Li + HgSO4 = Li2SO4 + Hg
CH3CH2CH2CH2COONa + HCl = CH3CH2CH2CH2COONaCl + H =>
CH3CH2CH2CH2COONa + HCl = CH3CH2CH2CH2COONaCl + H
C8H16N2 + H2SO4 + H2O = (N2H5)HSO4 + C4H8O =>
C8H16N2 + H2SO4 + 2 H2O = (N2H5)HSO4 + 2 C4H8O
NaOH + SiO2 = NaO + SiOH + H2O =>
3 NaOH + SiO2 = 3 NaO + SiOH + H2O
Sodium + iodine = sodiumiodide =>
2 Na + I2 = 2 NaI
ZnCl2(aq) + H2S(aq) = ZnS + H2Cl2 =>
ZnCl2(aq) + H2S(aq) = ZnS + H2Cl2
MoS4 + H2SO4 = MoS3 + SO2 + H2O =>
MoS4 + 2 H2SO4 = MoS3 + 3 SO2 + 2 H2O
NaOBr + H2O = NaOH + BrOH =>
NaOBr + H2O = NaOH + BrOH
C2O4MnO4 = CO2 + MnO4 =>
C2O4MnO4 = 2 CO2 + MnO4
NaCH3COO + KBr = KCH3COO + NaBr =>
NaCH3COO + KBr = KCH3COO + NaBr
E7H14 + O2 = EO2 + H2O =>
2 E7H14 + 21 O2 = 14 EO2 + 14 H2O
K + H2SO4 = K2SO4O4 + S + H2O =>
6 K + 8 H2SO4 = 3 K2SO4O4 + 5 S + 8 H2O
H4P2O7 + Pb(OH)4 = Pb(H3P2O7)4 + H2O =>
4 H4P2O7 + Pb(OH)4 = Pb(H3P2O7)4 + 4 H2O
SeO2 + O = SeO3 =>
SeO2 + O = SeO3
CaSO3 + H3PO4 + Al + H2O = Al2(SO4)3 + Ca3(PO4)2 + H2 =>
3 CaSO3 + 2 H3PO4 + 2 Al + 3 H2O = Al2(SO4)3 + Ca3(PO4)2 + 6 H2
O2 + CS2 = CO2 + S2O2 =>
2 O2 + CS2 = CO2 + S2O2
Na + HI = H2 + NaI =>
2 Na + 2 HI = H2 + 2 NaI
SC(NH2)2 + Cu{2+} = [Cu2(SC(NH2)2)6]{2+} + [SC2N2H(NH2)2]{+} + H{+} + S8 =>
112 SC(NH2)2 + 32 Cu{2+} = 16[Cu2(SC(NH2)2)6]{2+} + 8[SC2N2H(NH2)2]{+} + 24 H{+} + S8
NaOH + FeCl3 = Fe(OH)3 + Na + Cl =>
3 NaOH + FeCl3 = Fe(OH)3 + 3 Na + 3 Cl
Li2SO4 + Pb(CH3COO)2 = Li(CH3COO) + PbSO4 =>
Li2SO4 + Pb(CH3COO)2 = 2 Li(CH3COO) + PbSO4
ZnO + KOH = KZnO + H2O2 =>
2 ZnO + 2 KOH = 2 KZnO + H2O2
HCH3CO2 = CO2 + H2O + CH3 =>
7 HCH3CO2 = 6 CO2 + 2 H2O + 8 CH3
NaHSO4 + CH3COOH = CH3COONa + H2O + SO3 =>
NaHSO4 + CH3COOH = CH3COONa + H2O + SO3
NaOH + MgSO3 = Mg(OH)2 + Na2SO3 =>
2 NaOH + MgSO3 = Mg(OH)2 + Na2SO3
(BaOH)2CO3 + H2SO4 = Ba(HSO4)2 + H2O + CO2 =>
(BaOH)2CO3 + 4 H2SO4 = 2 Ba(HSO4)2 + 3 H2O + CO2
Fe(OH)3 + KI + H2SO4 = FeSO4 + I2 + K2SO4 + H2O =>
2 Fe(OH)3 + 2 KI + 3 H2SO4 = 2 FeSO4 + I2 + K2SO4 + 6 H2O
KOH + H2SO4 = H2O + KO4HS =>
KOH + H2SO4 = H2O + KO4HS
Al2(SO4)3 + LiCl = AlCl3 + Li2SO4 =>
Al2(SO4)3 + 6 LiCl = 2 AlCl3 + 3 Li2SO4
P3 + S9 = P8S4 =>
24 P3 + 4 S9 = 9 P8S4
NaCO3H + C3H8O2 = C3H5O2Na + CO2 + H2O =>
8 NaCO3H + 7 C3H8O2 = 8 C3H5O2Na + 5 CO2 + 12 H2O
Hg(NO3)2 + KOH = HgO + K(NO3) + H2O =>
Hg(NO3)2 + 2 KOH = HgO + 2 K(NO3) + H2O
Li3PO4 + KC2H3O2 = K3PO4 + LiC2H3O2 =>
Li3PO4 + 3 KC2H3O2 = K3PO4 + 3 LiC2H3O2
IO3{-} + SO3{-2} + H3O{+} = I2 + SO4{-2} + H2O =>
2 IO3{-} + 5 SO3{-2} + 2 H3O{+} = I2 + 5 SO4{-2} + 3 H2O
berylliumsulfate + sodiumhydroxide = sodiumsulfate + berylliumhydroxide =>
BeSO4 + 2 NaOH = Na2SO4 + Be(OH)2
Ca3Al2O6 + CO + Fe = CaC2 + Al2O3 + Fe2O3 =>
Ca3Al2O6 + 6 CO + 6 Fe = 3 CaC2 + Al2O3 + 3 Fe2O3
Fe(OH)3 + CH3NO2 = Fe(NO3)3 + CH4 =>
Fe(OH)3 + 3 CH3NO2 = Fe(NO3)3 + 3 CH4
Pb(CH3COO)2 + KI = CH3COOK + PbI2 =>
Pb(CH3COO)2 + 2 KI = 2 CH3COOK + PbI2
Na + Cu(No3)2 = NaNo3 + Cu =>
2 Na + Cu(No3)2 = 2 NaNo3 + Cu
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