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4 Os + 3 O2 = 2 Os2O3
C3H5(NO3)3 = CO2 + N2 + H2O + O =>
2 C3H5(NO3)3 = 6 CO2 + 3 N2 + 5 H2O + O
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + Ba(SO4) =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 Ba(SO4)
Fe(OH)3 + KOH = K[Fe(OH)4] =>
Fe(OH)3 + KOH = K[Fe(OH)4]
Cr(NO3)3 + H2O2 = H2CrO4 + HNO3 + O2 =>
2 Cr(NO3)3 + 5 H2O2 = 2 H2CrO4 + 6 HNO3 + O2
C2H4O + Cr2O7{-2} + H{+} = C2H4O2 + Cr{3+} + H2O =>
3 C2H4O + Cr2O7{-2} + 8 H{+} = 3 C2H4O2 + 2 Cr{3+} + 4 H2O
H2CO3 + KOH = HCO3K + H2O =>
H2CO3 + KOH = HCO3K + H2O
Cu + H2SO4 = CuO + SO2 + H2O =>
Cu + H2SO4 = CuO + SO2 + H2O
K2CrO4 + Pb(NO3)2 + KOH = KNO3 + PbCrO4PbO + H2O =>
K2CrO4 + 2 Pb(NO3)2 + 2 KOH = 4 KNO3 + PbCrO4PbO + H2O
CO2 + HO2 = C2H5OH + O2 =>
4 CO2 + 12 HO2 = 2 C2H5OH + 15 O2
YBa2Cu3O7 + HCl = CuCl2 + H2O + YCl3 + BaCl2 + Cl2 =>
2 YBa2Cu3O7 + 28 HCl = 6 CuCl2 + 14 H2O + 2 YCl3 + 4 BaCl2 + Cl2
FeSO4Ba(OH)2 = BaSO4Fe(OH)2 =>
FeSO4Ba(OH)2 = BaSO4Fe(OH)2
BrCl + CaSO4 = CaCl2 + Br2SO4 =>
2 BrCl + CaSO4 = CaCl2 + Br2SO4
Cr(NO3)2 + NaOH + H2O2 = Na2CrO4 + HNO3 + H2O =>
Cr(NO3)2 + 2 NaOH + 2 H2O2 = Na2CrO4 + 2 HNO3 + 2 H2O
K(s) + O2(g) = K2O(s) =>
4 K(s) + O2(g) = 2 K2O(s)
C17H31COOH + Br2 = C18H32O2Br2 =>
C17H31COOH + Br2 = C18H32O2Br2
Si + CH3Cl = (CH3)2SiCl2 =>
Si + 2 CH3Cl = (CH3)2SiCl2
KOH + Zn + H2O + KNO2 = K2Zn(OH)4 + NH3 =>
5 KOH + 3 Zn + 5 H2O + KNO2 = 3 K2Zn(OH)4 + NH3
BaH2 + H2O = Ba(OH)2 + H2 =>
BaH2 + 2 H2O = Ba(OH)2 + 2 H2
Sr(NO3)2 = SrO + NO + O2 =>
2 Sr(NO3)2 = 2 SrO + 4 NO + 3 O2
Fe(OH)3(s) + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3(s) + 3 HNO3 = Fe(NO3)3 + 3 H2O
Mg(NO3)2 + Li(OH) = Mg(OH)2 + Li(NO3) =>
Mg(NO3)2 + 2 Li(OH) = Mg(OH)2 + 2 Li(NO3)
FeCl3 + (NH4)SCN = Fe(SCN)3 + Cl + NH4 =>
FeCl3 + 3(NH4)SCN = Fe(SCN)3 + 3 Cl + 3 NH4
P2O3 + C = P + CO2 =>
2 P2O3 + 3 C = 4 P + 3 CO2
Cl2 + C6H6 = C6H4Cl2 + H2 =>
Cl2 + C6H6 = C6H4Cl2 + H2
NaVO3 + H2O2 + H2SO3 = HVO4 + Na2SO4 + H2O =>
2 NaVO3 + 3 H2O2 + H2SO3 = 2 HVO4 + Na2SO4 + 3 H2O
NO + H2O2 = HNO2 =>
2 NO + H2O2 = 2 HNO2
NH4Br(aq) + KOH(aq) = KBr(aq) + NH3(g) + H2O(l) =>
NH4Br(aq) + KOH(aq) = KBr(aq) + NH3(g) + H2O(l)
C8H8(l) + O2(g) = CO2(g) + H20(g) =>
5 C8H8(l) + 40 O2(g) = 40 CO2(g) + 2 H20(g)
Al + HNO3 = Al3N3O9 + N2O + H2O =>
24 Al + 30 HNO3 = 8 Al3N3O9 + 3 N2O + 15 H2O
HgS(s) = Hg + S =>
HgS(s) = Hg + S
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
SnCl4 + Fe = SnCl2 + FeCl2 =>
SnCl4 + Fe = SnCl2 + FeCl2
Mg + CH3OH = (CH3O)2Mg + H2 =>
Mg + 2 CH3OH = (CH3O)2Mg + H2
NaCl + S = Na2S + Cl2 =>
2 NaCl + S = Na2S + Cl2
Eu(s) + HF(g) = EuF3(s) + H2(g) =>
2 Eu(s) + 6 HF(g) = 2 EuF3(s) + 3 H2(g)
C8H8 + KMnO4 + H2O = C8H8(OH)2 + MnO2 + KOH =>
3 C8H8 + 2 KMnO4 + 4 H2O = 3 C8H8(OH)2 + 2 MnO2 + 2 KOH
CH3COOH + Na2S = CH3S + Na2COOH =>
CH3COOH + Na2S = CH3S + Na2COOH
CaCO3 + C + Na2SO4 = CaS + CO2 + Na2CO3 =>
CaCO3 + 2 C + Na2SO4 = CaS + 2 CO2 + Na2CO3
Fe(s) + CuSO4 = FeSO4(s) + Cu =>
Fe(s) + CuSO4 = FeSO4(s) + Cu
CaS + CH3COOHNH4 = CH3COOHCa + NH4S =>
CaS + CH3COOHNH4 = CH3COOHCa + NH4S
C11H23COOH + O2 = CO2 + H2O =>
C11H23COOH + 17 O2 = 12 CO2 + 12 H2O
C3H4O + O2 = CO2 + H2O =>
2 C3H4O + 7 O2 = 6 CO2 + 4 H2O
Fe + Cu(OH)2 = Cu + Fe(OH)2 =>
Fe + Cu(OH)2 = Cu + Fe(OH)2
CaF2 + Cl2 = CaCl2 + F =>
CaF2 + Cl2 = CaCl2 + 2 F
FeCl3(aq) + Na2CO3(aq) = Fe2(CO3)3(s) + NaCl(aq) =>
2 FeCl3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3(s) + 6 NaCl(aq)
BrO3{-} + Br{-} + H2O = Br2 + OH{-} =>
BrO3{-} + 5 Br{-} + 3 H2O = 3 Br2 + 6 OH{-}
CH4 + CO = C2H2 + H2O =>
CH4 + CO = C2H2 + H2O
AsCl3(aq) + H2S(aq) = As2S3(s) + HCl(aq) =>
2 AsCl3(aq) + 3 H2S(aq) = As2S3(s) + 6 HCl(aq)
K(s) + ZnCl2(aq) = KCl(aq) + Zn(g) =>
2 K(s) + ZnCl2(aq) = 2 KCl(aq) + Zn(g)
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