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21 H2O + 3 Cr2O7{2-} + 34e = 2 Cr3{+} + 42 OH{-}
HCl + As2 + NaNO3 = As2O5 + NO + NaCl + H2O =>
10 HCl + 3 As2 + 10 NaNO3 = 3 As2O5 + 10 NO + 10 NaCl + 5 H2O
H2O + MnO4{-} + H{+} = MnO2 + H2O2 =>
2 H2O + 2 MnO4{-} + 2 H{+} = 2 MnO2 + 3 H2O2
C + N2 + O2 + H2 = H2NCH2COOH =>
4 C + N2 + 2 O2 + 5 H2 = 2 H2NCH2COOH
CH3COOH = C + O + H =>
CH3COOH = 2 C + 2 O + 4 H
H2S + oxygen = water + sulfurdioxide =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
Zn + CH3COOH = ZnH + CH3COO =>
Zn + CH3COOH = ZnH + CH3COO
Br2{+} + OH{-} = BrO3{-} + Br{-} + H2O =>
2 Br2{+} + 6 OH{-} = BrO3{-} + 3 Br{-} + 3 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
CuS + O2 = SO2 + Cu =>
CuS + O2 = SO2 + Cu
ZnS + H3PO4 = ZnPO4 + SH3 =>
ZnS + H3PO4 = ZnPO4 + SH3
C5H10(l) + O2(g) = H2C5H6O4(l) + H2O(l) =>
2 C5H10(l) + 5 O2(g) = 2 H2C5H6O4(l) + 2 H2O(l)
Mg3N2 + HBr = MgBr2 + NH4Br =>
Mg3N2 + 8 HBr = 3 MgBr2 + 2 NH4Br
Na2CO3 + H2O = NaOH + CO2 =>
Na2CO3 + H2O = 2 NaOH + CO2
Sn(OH)2 + KOH = Sn(OH)4 + K =>
Sn(OH)2 + 2 KOH = Sn(OH)4 + 2 K
HS + FeCl3 = Fe2S3 + HCl2 =>
3 HS + 2 FeCl3 = Fe2S3 + 3 HCl2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Pb + Cr(ClO3)3 = Cr + Pb2(ClO3)2 =>
6 Pb + 2 Cr(ClO3)3 = 2 Cr + 3 Pb2(ClO3)2
C3H8 = C2 + H2 =>
2 C3H8 = 3 C2 + 8 H2
P + KIO3 + KOH = K2HPO3 + HI =>
2 P + KIO3 + 3 KOH = 2 K2HPO3 + HI
Hg + Fe(NO3)2 = Fe + Hg(NO3)2 =>
Hg + Fe(NO3)2 = Fe + Hg(NO3)2
(Na3PO4)12H2O + (BaCl2)2H2O = Ba3(PO4)2 + NaCl + H2O =>
(Na3PO4)12H2O + 9(BaCl2)2H2O = 6 Ba3(PO4)2 + 36 NaCl + 10 H2O
KMnO4 + H2S + HCl = KClMnCl2 + H2O + S8 =>
16 KMnO4 + 40 H2S + 48 HCl = 16 KClMnCl2 + 64 H2O + 5 S8
K + HBrO4 = HKBrO4 =>
K + HBrO4 = HKBrO4
Co(OH2)6 + NH3 = Co(NH3)6 + H2O =>
Co(OH2)6 + 6 NH3 = Co(NH3)6 + 6 H2O
O + CH4 = H2 + H2CO3 =>
3 O + CH4 = H2 + H2CO3
Mg3N2 + HBr = MgBr2 + NH4Br =>
Mg3N2 + 8 HBr = 3 MgBr2 + 2 NH4Br
I2 + HNO3 = HIO3 + NO + H2 = =>
2 I2 + 6 HNO3 = 4 HIO3 + 6 NO + H2
Fe(IO3)3 = Fe + IO3 =>
Fe(IO3)3 = Fe + 3 IO3
CH2O + CH3OH = C3H8O3 =>
2 CH2O + CH3OH = C3H8O3
H2ZnO2 + NaOH = Na2ZnO2 + H2O =>
H2ZnO2 + 2 NaOH = Na2ZnO2 + 2 H2O
H2TeO3 + KMnO4 + H2O = H6TeO6 + MnO2 + KOH =>
3 H2TeO3 + 2 KMnO4 + 7 H2O = 3 H6TeO6 + 2 MnO2 + 2 KOH
Na2ZnO2 + H2SO4 = Na2SO4 + Zn(OH)2 =>
Na2ZnO2 + H2SO4 = Na2SO4 + Zn(OH)2
KBrO3 + SnCl2 + HCl = KBr + H2O + Sn3Cl12 =>
KBrO3 + 3 SnCl2 + 6 HCl = KBr + 3 H2O + Sn3Cl12
CaPO2 = Ca + P4 + O2 =>
4 CaPO2 = 4 Ca + P4 + 4 O2
Fe{2+} + HNO2 + H{+} = Fe{3+} + NO + H2O =>
Fe{2+} + HNO2 + H{+} = Fe{3+} + NO + H2O
HI + Rb2CO3 = H2O + CO2 + RbI =>
2 HI + Rb2CO3 = H2O + CO2 + 2 RbI
FeS + MgCl2 = FeCl2 + MgS =>
FeS + MgCl2 = FeCl2 + MgS
H2O + CO2 = C6H12O6 + O2 = H2O + CO2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
C3H8S(l) + O2(g) = C3O(g) + H8O(l) + SO(g) =>
2 C3H8S(l) + 3 O2(g) = 2 C3O(g) + 2 H8O(l) + 2 SO(g)
NH4{+} + OH{-} + HCl = NH4Cl + H2O =>
NH4{+} + OH{-} + HCl = NH4Cl + H2O
HCl + H2O = HCl*2H2O =>
HCl + 2 H2O = HCl*2H2O
PbO2 + NaCl + H2SO4 = Na2(SO4) + Cl2 + Pb2(SO4) + H2O =>
2 PbO2 + 6 NaCl + 4 H2SO4 = 3 Na2(SO4) + 3 Cl2 + Pb2(SO4) + 4 H2O
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
(NH4)2PtCl6 + NaNO3 = PtO2 + NH4Cl + NaCl + NO2 + O2 =>
(NH4)2PtCl6 + 4 NaNO3 = PtO2 + 2 NH4Cl + 4 NaCl + 4 NO2 + O2
MnO2 + AgSO4 = Mn2O7 + SO2 + Ag =>
4 MnO2 + 3 AgSO4 = 2 Mn2O7 + 3 SO2 + 3 Ag
Na3C6H5O7 + H = Na + C6H5O6 + H2O =>
Na3C6H5O7 + 2 H = 3 Na + C6H5O6 + H2O
CaSO4 + H2O + (NH4)2SO4 = (NH4)2Ca(SO4)2*H2O =>
CaSO4 + H2O + (NH4)2SO4 = (NH4)2Ca(SO4)2*H2O
C2H5Br + H4 = C4H10 + HBr =>
4 C2H5Br + H4 = 2 C4H10 + 4 HBr
C2H8N2 + O2 = CO2 + N2 + H2O =>
C2H8N2 + 4 O2 = 2 CO2 + N2 + 4 H2O
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