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Fe2O3 + 3 CO = 2 Fe + 3 CO2
Hg + NH3 = Hg(NH3)4 =>
Hg + 4 NH3 = Hg(NH3)4
Li2S2O3 + Hg(NO3)2 = Hg2(S2O3)2 + LiNO3 =>
2 Li2S2O3 + 2 Hg(NO3)2 = Hg2(S2O3)2 + 4 LiNO3
W + N2 = W2N9 =>
4 W + 9 N2 = 2 W2N9
Cu2SO4 = Cu2O + SO3 =>
Cu2SO4 = Cu2O + SO3
HCIO4 + Ba(OH)2 = Ba(CIO4)2 + H2O =>
2 HCIO4 + Ba(OH)2 = Ba(CIO4)2 + 2 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
KBr + ZnCl2 = KCl + ZnBr2 =>
2 KBr + ZnCl2 = 2 KCl + ZnBr2
Na + HOH = NaOH + H2 =>
2 Na + 2 HOH = 2 NaOH + H2
P6 + O2 = P2O5 =>
2 P6 + 15 O2 = 6 P2O5
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
H3PO4 + Na2SiO = Na3PO4 + H2SiO =>
2 H3PO4 + 3 Na2SiO = 2 Na3PO4 + 3 H2SiO
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu2Co3 = Cu + Co2 =>
2 Cu2Co3 = 4 Cu + 3 Co2
SnCl4 + H2O = Sn(OH)4 + HCl =>
SnCl4 + 4 H2O = Sn(OH)4 + 4 HCl
OH{-} = O2 + H2O + {-} =>
4 OH{-} = O2 + 2 H2O + 4e
AgF + Cl2 = Ag + ClF =>
2 AgF + Cl2 = 2 Ag + 2 ClF
Cs + H2SO4 = Cs2SO4 + H2 =>
2 Cs + H2SO4 = Cs2SO4 + H2
C4H10O2 + OH = CO2 + H2O =>
C4H10O2 + 22 OH = 4 CO2 + 16 H2O
H3AsO3 + CrO7{2-} + H{+} = H3AsO4 + Cr{3+} + H2O =>
9 H3AsO3 + 2 CrO7{2-} + 10 H{+} = 9 H3AsO4 + 2 Cr{3+} + 5 H2O
IPO4 + H2O = I2 + IO3 + H3PO4 =>
4 IPO4 + 6 H2O = I2 + 2 IO3 + 4 H3PO4
Al(C2H3O2)3 + Mg(OH)2 = Al(OH)3 + Mg(CH3COO)2 =>
2 Al(C2H3O2)3 + 3 Mg(OH)2 = 2 Al(OH)3 + 3 Mg(CH3COO)2
H2SO4(s) + NaOH(ac) = Na2SO4(ac) + H2O(l) =>
H2SO4(s) + 2 NaOH(ac) = Na2SO4(ac) + 2 H2O(l)
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
NH3 + F2 = N2F5 + HF =>
4 NH3 + 11 F2 = 2 N2F5 + 12 HF
CaO + Br = CaBr2 + O =>
CaO + 2 Br = CaBr2 + O
CuS + H2S = Cu(HS)2 =>
CuS + H2S = Cu(HS)2
MgBr + F2 = MgF2 + Br2 =>
2 MgBr + 2 F2 = 2 MgF2 + Br2
K2CrO4(aq) + CaS(aq) = K2S(aq) + CaCrO4(aq) =>
K2CrO4(aq) + CaS(aq) = K2S(aq) + CaCrO4(aq)
Fe2(SO4)3 + HCl = FeCl3 + H2O + SO3 =>
Fe2(SO4)3 + 6 HCl = 2 FeCl3 + 3 H2O + 3 SO3
FeS{2+} + O{2} = Fe{2}O{3} + SO{2} =>
FeS{2+} + O{2} = Fe{2}O{3} + SO{2}
Fe + O2 + H2O = Fe2O3H2O =>
4 Fe + 3 O2 + 2 H2O = 2 Fe2O3H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
K2CrO4 + NaOH = KOH + Na2CrO4 =>
K2CrO4 + 2 NaOH = 2 KOH + Na2CrO4
CH + S = CS2 + H2S =>
2 CH + 5 S = 2 CS2 + H2S
HCH3CO2 + NaOH = CH3OH + Na2CO3 =>
3 HCH3CO2 + 4 NaOH = 4 CH3OH + 2 Na2CO3
CH3COCOOH + O2 = CH3COOH + CO2 =>
2 CH3COCOOH + O2 = 2 CH3COOH + 2 CO2
Ag2O + NaCl = Ag2Cl + NaO =>
Ag2O + NaCl = Ag2Cl + NaO
BaCl2 + CuSO4 = CuCl2 + BaSO4 =>
BaCl2 + CuSO4 = CuCl2 + BaSO4
K2S + O2 = K2O + SO2 =>
2 K2S + 3 O2 = 2 K2O + 2 SO2
KCN + KMnO4 + HCl = KCl + MnCl2 + CO2 + NO + H2O =>
5 KCN + 7 KMnO4 + 26 HCl = 12 KCl + 7 MnCl2 + 5 CO2 + 5 NO + 13 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Al + HSO4 = Al2(SO4)3 + H2O + SO2 =>
2 Al + 4 HSO4 = Al2(SO4)3 + 2 H2O + SO2
CdCO3 + H2Cl = CdCl + CO2 + H2O =>
CdCO3 + H2Cl = CdCl + CO2 + H2O
Cu2SFeS2 + O2 + H2O = Fe2O3 + CuO + H2SO4 =>
4 Cu2SFeS2 + 25 O2 + 12 H2O = 2 Fe2O3 + 8 CuO + 12 H2SO4
C4H8O(g) + O2(g) = CO2 + H2O(g) =>
2 C4H8O(g) + 11 O2(g) = 8 CO2 + 8 H2O(g)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
As2S3 + HNO3 = As2O3 + NO2 + H2O + H2SO4 =>
As2S3 + 24 HNO3 = As2O3 + 24 NO2 + 9 H2O + 3 H2SO4
C2H6 + Br2 = C2H5Br + HBr =>
C2H6 + Br2 = C2H5Br + HBr
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
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