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2 CO2 + 2 H{+} + 2e = H2C2O4
Na2C + O2 = Na2CO3 =>
2 Na2C + 3 O2 = 2 Na2CO3
CH2OH(CHOH)4COH + Cu(OH)2 = CH2OH(CHOH)4COOH + Cu2OH + H2O =>
3 CH2OH(CHOH)4COH + 4 Cu(OH)2 = 3 CH2OH(CHOH)4COOH + 2 Cu2OH + 3 H2O
S2O3{2-} + ClO{-} + OH{-} = SO4{2-} + Cl{-} + H2O =>
S2O3{2-} + 4 ClO{-} + 2 OH{-} = 2 SO4{2-} + 4 Cl{-} + H2O
Na2C + O2 = Na2CO3 =>
2 Na2C + 3 O2 = 2 Na2CO3
KMnO4 + CH3CHCHCH2CH2CH2CH2CH3 + H2O = CH2(OH)CH2OH + KOH + MnO2 =>
8 KMnO4 + 3 CH3CHCHCH2CH2CH2CH2CH3 + 16 H2O = 12 CH2(OH)CH2OH + 8 KOH + 8 MnO2
C2H4O2 + Ba(OH)2 = Ba(CH3CO2)2 + H2O =>
2 C2H4O2 + Ba(OH)2 = Ba(CH3CO2)2 + 2 H2O
Na2S + CdSO4 = Na2(SO4) + CdS =>
Na2S + CdSO4 = Na2(SO4) + CdS
Hg2F2 + HF + O2 = HgF2 + H2O =>
2 Hg2F2 + 4 HF + O2 = 4 HgF2 + 2 H2O
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
AI + Pb(OH)2 = AIPb + (OH)2 =>
AI + Pb(OH)2 = AIPb + (OH)2
NaMgCl = NaCl + Mg =>
NaMgCl = NaCl + Mg
HNO3(ac) + Ba(OH)2(s) = Ba(NO3)2(g) + H2O(l) =>
2 HNO3(ac) + Ba(OH)2(s) = Ba(NO3)2(g) + 2 H2O(l)
C13H28 + H2O = CO + H2 =>
C13H28 + 13 H2O = 13 CO + 27 H2
Pb + NaOH + H2O = Na[Pb(OH)3] + H2 =>
Pb + NaOH + 2 H2O = Na[Pb(OH)3] + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SiO + C = SiC + CO2 =>
2 SiO + 3 C = 2 SiC + CO2
Al + CsOH = Al2O3 + Cs + H2 =>
4 Al + 6 CsOH = 2 Al2O3 + 6 Cs + 3 H2
Cr + BaCl2 = Ba + CrCl3 =>
2 Cr + 3 BaCl2 = 3 Ba + 2 CrCl3
Ba2(g) + O2(g) = BaO(g) =>
Ba2(g) + O2(g) = 2 BaO(g)
NH3 + Zn(OH)2 = [Zn(NH3)6](OH)2 =>
6 NH3 + Zn(OH)2 = [Zn(NH3)6](OH)2
Mo2O3 + KMnO4 + H2SO4 = MoO3 + H2O + K2SO4 + MnSO4 =>
5 Mo2O3 + 6 KMnO4 + 9 H2SO4 = 10 MoO3 + 9 H2O + 3 K2SO4 + 6 MnSO4
PbN2O6 + NaOH = PbH2O2 + NaNO3 =>
PbN2O6 + 2 NaOH = PbH2O2 + 2 NaNO3
H2I = H + I2 =>
2 H2I = 4 H + I2
AlBr3(aq) + K2S(aq) = Al2S3(s) + KBr(aq) =>
2 AlBr3(aq) + 3 K2S(aq) = Al2S3(s) + 6 KBr(aq)
H2SO4ZnO = ZnSO4H2O =>
H2SO4ZnO = ZnSO4H2O
[Be(H2O)4]Cl2 + KOH = K2[Be(OH)4] + H2O + KCl =>
[Be(H2O)4]Cl2 + 4 KOH = K2[Be(OH)4] + 4 H2O + 2 KCl
NaHCO3 + H3C6H7O7 = Na3C6H7O7 + CO2 + H2O =>
3 NaHCO3 + H3C6H7O7 = Na3C6H7O7 + 3 CO2 + 3 H2O
C4 + HNO3 = C4(NO3)2 + NO + H2O =>
3 C4 + 8 HNO3 = 3 C4(NO3)2 + 2 NO + 4 H2O
SnCl2 + HCl + NH2OH = SnCl4 + NH4Cl + H2O =>
SnCl2 + 3 HCl + NH2OH = SnCl4 + NH4Cl + H2O
K2CrO4 + C2H5OH + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 3 C2H5OH + 5 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + 2 K2SO4 + 8 H2O
HClO(aq) + Ba(OH)2(s) = Ba(ClO)2(s) + H2O(l) =>
2 HClO(aq) + Ba(OH)2(s) = Ba(ClO)2(s) + 2 H2O(l)
HClO4 = ClO + H2O + O2 =>
4 HClO4 = 4 ClO + 2 H2O + 5 O2
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Zn(OH)2 + H2SO4 = (ZnOH)2SO4 + H2O =>
2 Zn(OH)2 + H2SO4 = (ZnOH)2SO4 + 2 H2O
FeCl3 + KI = FeI3 + KCl =>
FeCl3 + 3 KI = FeI3 + 3 KCl
(NH4)SO4 + CaOH2 = NH4 + H2O + CaSO4 =>
(NH4)SO4 + CaOH2 = NH4 + H2O + CaSO4
Cl2 + Br2 + KOH = KBrO2 + KCl + H2O =>
3 Cl2 + Br2 + 8 KOH = 2 KBrO2 + 6 KCl + 4 H2O
H2O + Cl = HClO + H =>
H2O + Cl = HClO + H
Cl2 + SO2 + H2O = SO4{-} + Cl{-}H2O + H{+} =>
3 Cl2 + 2 SO2 + 4 H2O = 2 SO4{-} + 6 Cl{-}H2O + 8 H{+}
HNO3 + KI = KNO3 + I + NO + H2O =>
4 HNO3 + 3 KI = 3 KNO3 + 3 I + NO + 2 H2O
(CH3COO)2Ca = CaCO3 + (CH3)2CO =>
(CH3COO)2Ca = CaCO3 + (CH3)2CO
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)(aq) + Ca =>
2 Mg(s) + Ca(NO3)2(aq) = 2 Mg(NO3)(aq) + Ca
Na2[Zn(OH)4] + H2SO4 = ZnSO4 + NaOH + H2O =>
Na2[Zn(OH)4] + H2SO4 = ZnSO4 + 2 NaOH + 2 H2O
Ni(OH)2 + HCl = NiOHCl + H2O =>
Ni(OH)2 + HCl = NiOHCl + H2O
Al4C3(s) + H2O = Al(OH)3(s) + CH4 =>
Al4C3(s) + 12 H2O = 4 Al(OH)3(s) + 3 CH4
MgS + O2 = Mg2O3 + S =>
4 MgS + 3 O2 = 2 Mg2O3 + 4 S
Al2(SO4)3 + Ca(HO)2 = Al(HO)3 + Ca2(SO4)2 =>
2 Al2(SO4)3 + 6 Ca(HO)2 = 4 Al(HO)3 + 3 Ca2(SO4)2
Zn(s) + HNO3(ac) = Zn(NO3)2(g) + NH4NO3(ac) + H2O(l) =>
4 Zn(s) + 10 HNO3(ac) = 4 Zn(NO3)2(g) + NH4NO3(ac) + 3 H2O(l)
NH4Cl + SrSO4 = (NH4)2SO4 + SrCl2 =>
2 NH4Cl + SrSO4 = (NH4)2SO4 + SrCl2
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