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2 Fe{2+} + O2 = 2 Fe + 2 O{2+}
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
C2H5OH + KMnO4 + H2SO4 = CH3C(O)H + K2SO4 + MnSO4 + H2O =>
5 C2H5OH + 2 KMnO4 + 3 H2SO4 = 5 CH3C(O)H + K2SO4 + 2 MnSO4 + 8 H2O
MnO4{-} + H{+} + F{-} = F2 + Mn{2+} + H2O =>
2 MnO4{-} + 16 H{+} + 10 F{-} = 5 F2 + 2 Mn{2+} + 8 H2O
CO2 + H2O = C6H12O5 + O2 = =>
12 CO2 + 12 H2O = 2 C6H12O5 + 13 O2
HgO + KI + H2O = K2[HgI4] + KOH =>
HgO + 4 KI + H2O = K2[HgI4] + 2 KOH
H2Br + K2SO3 = K2Br + H2SO3 =>
H2Br + K2SO3 = K2Br + H2SO3
CuCl2 + Cu(OH)2 = Cu2(OH)3Cl =>
CuCl2 + 3 Cu(OH)2 = 2 Cu2(OH)3Cl
SnO2 + H2O = Sn(OH)4 =>
SnO2 + 2 H2O = Sn(OH)4
S + O2(g) = SO3 =>
2 S + 3 O2(g) = 2 SO3
(COOH)2 + Ca = COOCa + H2 =>
(COOH)2 + 2 Ca = 2 COOCa + H2
Pb{2+} + K = K{+} + Pb =>
Pb{2+} + 2 K = 2 K{+} + Pb
H3P + Mg3(PO4)2 = H3PO4 + Mg3P2 =>
2 H3P + Mg3(PO4)2 = 2 H3PO4 + Mg3P2
H3PO4 + CuO2 = Cu(H2PO4)2 + H2O2 =>
2 H3PO4 + CuO2 = Cu(H2PO4)2 + H2O2
Zn + LiCl = ZnCl + Li =>
Zn + LiCl = ZnCl + Li
UHCl = HUCl =>
UHCl = HUCl
Na2S + Na2SO4 + SeO2 = Na2SeO3 + SO2 =>
Na2S + 3 Na2SO4 + 4 SeO2 = 4 Na2SeO3 + 4 SO2
Mg(OH)2 + (NH4)2S = NH4OH + MgS =>
Mg(OH)2 + (NH4)2S = 2 NH4OH + MgS
[CaF2*3Ca3(PO4)2] + H2SO4 = CaSO4 + H3PO4 + HF =>
[CaF2*3Ca3(PO4)2] + 10 H2SO4 = 10 CaSO4 + 6 H3PO4 + 2 HF
Fe + KClO3 + KOH = K2FeO4 + KCl + H2O =>
Fe + KClO3 + 2 KOH = K2FeO4 + KCl + H2O
C2H4 + PdCl2 + H2O = C2H4O + Pd + HCl =>
C2H4 + PdCl2 + H2O = C2H4O + Pd + 2 HCl
GaF3 + Ca = CaF2 + Ga =>
2 GaF3 + 3 Ca = 3 CaF2 + 2 Ga
Na2S + H2O = NaOH + H2S =>
Na2S + 2 H2O = 2 NaOH + H2S
FeSO4 + Mg = Fe + MgSO4 =>
FeSO4 + Mg = Fe + MgSO4
KMnO4 + H2504 = Mn2O + K2504 + H2O =>
2504 KMnO4 + 7 H2504 = 1252 Mn2O + K2504 + 8764 H2O
AuO(OH) + KOH = KAuO2 + H2O =>
AuO(OH) + KOH = KAuO2 + H2O
BaSiO3 + H2SO4 = BaSO4 + H2SiO3 =>
BaSiO3 + H2SO4 = BaSO4 + H2SiO3
CO + Fe2O3 = CO2 + Fe =>
3 CO + Fe2O3 = 3 CO2 + 2 Fe
C2H3NaO2 + NO3 = N2 + CO2 + H2O + NaOH =>
3 C2H3NaO2 + 4 NO3 = 2 N2 + 6 CO2 + 3 H2O + 3 NaOH
C4H10 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
35 C4H10 + 62 KMnO4 + 93 H2SO4 = 20 C7H6O2 + 62 MnSO4 + 31 K2SO4 + 208 H2O
RuO4 = Ru + O2 =>
RuO4 = Ru + 2 O2
FeS2O3 + O2 = Fe2O3 + SO2 =>
4 FeS2O3 + 5 O2 = 2 Fe2O3 + 8 SO2
NaC2H3O2 + FeCl3 = NaCl + Fe(C2H3O2)3 =>
3 NaC2H3O2 + FeCl3 = 3 NaCl + Fe(C2H3O2)3
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Sr(NO3)2Na(OH) = Sr(OH)Na(NO3)2 =>
Sr(NO3)2Na(OH) = Sr(OH)Na(NO3)2
NH3 + HF = NH4F =>
NH3 + HF = NH4F
MnO = O2 + Mn =>
2 MnO = O2 + 2 Mn
Li + NO2 = LiNO2 =>
Li + NO2 = LiNO2
H2 + As + O2 = H3AsO4 =>
3 H2 + 2 As + 4 O2 = 2 H3AsO4
Na + NaHCO3 = Na2HCO3 =>
Na + NaHCO3 = Na2HCO3
CrCl3*H2O = CrCl3 + H2O =>
CrCl3*H2O = CrCl3 + H2O
P0 + KOH + H2O = PH3 + KH2PO2 =>
4 P0 + 3 KOH + 3 H2O = PH3 + 3 KH2PO2
Na2S + Na2SO4 + SeO2 = Na2SeO3 + SO2 =>
Na2S + 3 Na2SO4 + 4 SeO2 = 4 Na2SeO3 + 4 SO2
Na2B4O7*10H2O(borax) + NaOH = NaBO2 + H2O =>
Na2B4O7*10H2O(borax) + 2 NaOH = 4 NaBO2 + 11 H2O
SnONaOH = SnOHNaO =>
SnONaOH = SnOHNaO
Ba(NO3)2(aq) + Na2S(aq) = BaS(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2S(aq) = BaS(s) + 2 NaNO3(aq)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
FeS(s) + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS(s) + 2 HCl(aq) = FeCl2(aq) + H2S(g)
PtCl4 + F2 = PtF + Cl =>
2 PtCl4 + F2 = 2 PtF + 8 Cl
Al(OH)3 + KOH = AlK(OH)4 =>
Al(OH)3 + KOH = AlK(OH)4
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