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2 Fe + O2 + 2 H2O = 2 Fe(OH)2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
KClO + HI = I2 + KCl + H2O =>
KClO + 2 HI = I2 + KCl + H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
RCHO + [Ag(NH3)2]OH = RCOOH + Ag + H2O + NH3 =>
RCHO + 2[Ag(NH3)2]OH = RCOOH + 2 Ag + H2O + 4 NH3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CH4(g) + O2(g) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(g)
CrCl3 + Na2S + H2O = Cr(OH)3 + NaCl + H2S =>
2 CrCl3 + 3 Na2S + 6 H2O = 2 Cr(OH)3 + 6 NaCl + 3 H2S
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq) =>
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
Pb(NO3)2(S) = PbO(S) + NO2 + O2 =>
2 Pb(NO3)2(S) = 2 PbO(S) + 4 NO2 + O2
NF3 = N2 + F2 =>
2 NF3 = N2 + 3 F2
Na2SO3 + O2 = Na2SO4 =>
2 Na2SO3 + O2 = 2 Na2SO4
NaF + HCl = NaCl + HF =>
NaF + HCl = NaCl + HF
AgCl(S) = Ag(S) + Cl(g) =>
AgCl(S) = Ag(S) + Cl(g)
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Cl2 + H2 = HCl =>
Cl2 + H2 = 2 HCl
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CaCrO4 = Ca + CrO4 =>
CaCrO4 = Ca + CrO4
PbNi5FeCd2SH20O23 + NiH2 = PbNi6FeCd2SH22O23 =>
PbNi5FeCd2SH20O23 + NiH2 = PbNi6FeCd2SH22O23
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
C2H4(COH)2 + [Ag(NH3)2]OH = C2H4(COOH)2 + Ag + NH3 + H2O =>
C2H4(COH)2 + 4[Ag(NH3)2]OH = C2H4(COOH)2 + 4 Ag + 8 NH3 + 2 H2O
PbNi6FeCd2SH22O23 + MOH2 = MPbNi6FeCd2SH24O24 =>
PbNi6FeCd2SH22O23 + MOH2 = MPbNi6FeCd2SH24O24
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
Ba(OH)2 + FeCl3 = BaCl2 + Fe(OH)3 =>
3 Ba(OH)2 + 2 FeCl3 = 3 BaCl2 + 2 Fe(OH)3
MPbNi6FeCd2SH24O24 + NiO(OH) + H2O = MPbNi7FeCd2SH27O27 =>
MPbNi6FeCd2SH24O24 + NiO(OH) + H2O = MPbNi7FeCd2SH27O27
U2(SO4)3 + KMnO4 + H2SO4 = UO2(SO4)3 + MnSO4 + K2SO4 + H20 =>
20 U2(SO4)3 + 20 KMnO4 + 90 H2SO4 = 40 UO2(SO4)3 + 20 MnSO4 + 10 K2SO4 + 9 H20
FeS + HNO3 = Fe(NO3)3 + H2SO4 + NO + H2O =>
FeS + 6 HNO3 = Fe(NO3)3 + H2SO4 + 3 NO + 2 H2O
MPbNi7FeCd2SH27O27 + (OH)2 + Ni(OH)2 = MPbNi8FeCd2SH31O31 =>
MPbNi7FeCd2SH27O27 + (OH)2 + Ni(OH)2 = MPbNi8FeCd2SH31O31
KCl = K + Cl =>
KCl = K + Cl
BeCl2 + LiOH = Be(OH)2 + LiCl =>
BeCl2 + 2 LiOH = Be(OH)2 + 2 LiCl
C6H12O6 = CH4 + CO2 =>
C6H12O6 = 3 CH4 + 3 CO2
MPbNi8FeCd2SH31O31 + LiOH = MPbNi8FeCd2SH33Li2O33 =>
MPbNi8FeCd2SH31O31 + 2 LiOH = MPbNi8FeCd2SH33Li2O33
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
Hg + Hg(NH2)Cl + NaClO + HCl = Na2(HgCl4) + HNO3 + H2O =>
2 Hg + Hg(NH2)Cl + 6 NaClO + 5 HCl = 3 Na2(HgCl4) + HNO3 + 3 H2O
KAl(SO4)2*12H2O + BaCl2 = KCl + AlCl3 + BaSO4 + H2O =>
KAl(SO4)2*12H2O + 2 BaCl2 = KCl + AlCl3 + 2 BaSO4 + 12 H2O
KClO3(S) = KCl(S) + O2 =>
2 KClO3(S) = 2 KCl(S) + 3 O2
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
Hg + Hg(NH2)Cl + NaClO + HCl = Na2(HgCl4) + NO3 + H2O =>
5 Hg + 2 Hg(NH2)Cl + 14 NaClO + 12 HCl = 7 Na2(HgCl4) + 2 NO3 + 8 H2O
CaCrO4 + HNO3 = CaNO3 + CrO4 + H2 =>
2 CaCrO4 + 2 HNO3 = 2 CaNO3 + 2 CrO4 + H2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH3 = N2 + H2 = Al =>
2 NH3 = N2 + 3 H2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
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