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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
Si + LiOH + H2O = Li2SiO3 + H2 =>
Si + 2 LiOH + H2O = Li2SiO3 + 2 H2
H2 + HgBr2 = Hg + HBr =>
H2 + HgBr2 = Hg + 2 HBr
HCOOC2H5 + O2 = CO + H2O =>
HCOOC2H5 + 2 O2 = 3 CO + 3 H2O
In + KMnO4 + H2SO4 = In2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 In + 6 KMnO4 + 24 H2SO4 = 5 In2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 24 H2O
NaOCl + KJ + H2SO4 = NaCl + J2 + H2O + K2SO4 =>
NaOCl + 2 KJ + H2SO4 = NaCl + J2 + H2O + K2SO4
Ni2 + O2 = NiO =>
Ni2 + O2 = 2 NiO
KO2(s) + CO2(g) + H2O(l) = KHCO3(aq) + O2 =>
4 KO2(s) + 4 CO2(g) + 2 H2O(l) = 4 KHCO3(aq) + 3 O2
NaOH(aq) + CuCl = NaCl + CuOH =>
NaOH(aq) + CuCl = NaCl + CuOH
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
I2(s) + NaF(s) = NaI + F2 =>
I2(s) + 2 NaF(s) = 2 NaI + F2
FeS + HCe = FeCe2 + H2S =>
FeS + 2 HCe = FeCe2 + H2S
Rb2O = Rb + O2 =>
2 Rb2O = 4 Rb + O2
AgSO3 + HCl = AgCl + HSO3 =>
AgSO3 + HCl = AgCl + HSO3
KBr + Li = LiBr + K =>
KBr + Li = LiBr + K
Ag + Co(NO3)2 = Co + Ag(NO3)2 =>
Ag + Co(NO3)2 = Co + Ag(NO3)2
Na(OH) + CO2 = Na2CO3 + H2O =>
2 Na(OH) + CO2 = Na2CO3 + H2O
P4 + Br1 = PBr3 =>
P4 + 12 Br1 = 4 PBr3
NaCl + Ba3(PO4)2 = Na3PO4 + BaCl2 =>
6 NaCl + Ba3(PO4)2 = 2 Na3PO4 + 3 BaCl2
HCl + MgO = MgCl + H2O + O2 =>
4 HCl + 4 MgO = 4 MgCl + 2 H2O + O2
Br(l) + CrI3(aq) = I2(s) + CrBr3(aq) =>
6 Br(l) + 2 CrI3(aq) = 3 I2(s) + 2 CrBr3(aq)
CH3OH(l) + O2 = CO2(g) + H2O(l) =>
2 CH3OH(l) + 3 O2 = 2 CO2(g) + 4 H2O(l)
C7H6O3 + C6H10O3 = C10H10O4 + C3H6O2 =>
C7H6O3 + C6H10O3 = C10H10O4 + C3H6O2
BaCl2 + Ca(OH)2 = Ba(OH)2 + CaCl2 =>
BaCl2 + Ca(OH)2 = Ba(OH)2 + CaCl2
Na2S + Fe2SO = Fe2S + Na2SO4 =>
Na2S + 4 Fe2SO = 4 Fe2S + Na2SO4
MoO3 + K2SO4 = K2MoO4 + S + O2 =>
2 MoO3 + 2 K2SO4 = 2 K2MoO4 + 2 S + 3 O2
C2H6O + O2 = C2H4O2 + H2O =>
C2H6O + O2 = C2H4O2 + H2O
Al + KMnO4 + H2O = MnO2 + Al(OH)3 + KOH =>
Al + KMnO4 + 2 H2O = MnO2 + Al(OH)3 + KOH
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C = C16 =>
16 C = C16
LiCl2 + AgNO3 = AgCl2 + LiNO3 =>
LiCl2 + AgNO3 = AgCl2 + LiNO3
C6H12C6 + O2 = CO2 + H2O =>
C6H12C6 + 15 O2 = 12 CO2 + 6 H2O
Fe3 + O2 = Fe2O3 =>
4 Fe3 + 9 O2 = 6 Fe2O3
Fe(NO3)3 + NaOH + KOH + Cl2 = NaNO3 + NaCl + H2O + K2FeO4 =>
2 Fe(NO3)3 + 12 NaOH + 4 KOH + 3 Cl2 = 6 NaNO3 + 6 NaCl + 8 H2O + 2 K2FeO4
Mg(OH)2 + V2(CO3)5 = MgCO3 + V(OH)5 =>
5 Mg(OH)2 + V2(CO3)5 = 5 MgCO3 + 2 V(OH)5
HF + O2 = F9O + H2O =>
36 HF + 11 O2 = 4 F9O + 18 H2O
Sb + HNO3 = Sb(NO3)5 + NO + H2O =>
3 Sb + 20 HNO3 = 3 Sb(NO3)5 + 5 NO + 10 H2O
Cu(OH)2 + HNo3 = Cu(No3)2 + H2O =>
Cu(OH)2 + 2 HNo3 = Cu(No3)2 + 2 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na3PO4 + H2O = Na + H2PO5 =>
Na3PO4 + H2O = 3 Na + H2PO5
HNO3(aq) + CuCO3(s) = Cu(NO3)2 + CO2 + H2O =>
2 HNO3(aq) + CuCO3(s) = Cu(NO3)2 + CO2 + H2O
CuSO4 + AlCl = CuCl + AlSO4 =>
CuSO4 + AlCl = CuCl + AlSO4
BrO + H2O = HBrO2 + H2 =>
2 BrO + 2 H2O = 2 HBrO2 + H2
Mg + F2 = MgF2 =>
Mg + F2 = MgF2
C8H16O2 + NaOCl = C6H10O + NaCl + H2O =>
3 C8H16O2 + 2 NaOCl = 4 C6H10O + 2 NaCl + 4 H2O
C8H10 + NH3 = C8H11N + H2 =>
C8H10 + NH3 = C8H11N + H2
SO + HO = SOHO =>
SO + HO = SOHO
HClO + P2O5 = HClO4 + P =>
5 HClO + 3 P2O5 = 5 HClO4 + 6 P
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