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2 A2 + 5 B2 = 2 A2B5
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SnCl4 + KI = SnCl2 + KCl + I2 =>
SnCl4 + 2 KI = SnCl2 + 2 KCl + I2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
(CH3(CH2)4(CH3)) + O2 = H20 + CO2 =>
10(CH3(CH2)4(CH3)) + 60 O2 = 7 H20 + 60 CO2
[Al(H2O)6]3 + H2O = [Al(H2O)5(OH)] + H3O =>
[Al(H2O)6]3 + 3 H2O = 3[Al(H2O)5(OH)] + 3 H3O
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
Na3VO4 + HCl + Na2SO3 + H{+} + H2O = V(H2O)6{3+} + NaCl + Na2SO4 =>
Na3VO4 + 3 HCl + Na2SO3 + 3 H{+} + 3 H2O = V(H2O)6{3+} + 3 NaCl + Na2SO4
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
Pb + PbO4 + H2So4 = PbSo4 + H2O =>
3 Pb + PbO4 + 4 H2So4 = 4 PbSo4 + 4 H2O
Sr(OH)2 + H3PO4 = Sr3(PO4)2 + H2O =>
3 Sr(OH)2 + 2 H3PO4 = Sr3(PO4)2 + 6 H2O
(CH3(CH2)4CH3) + O2 = H20 + CO2 =>
10(CH3(CH2)4CH3) + 60 O2 = 7 H20 + 60 CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2S(g) + O2(g) = SO(g) + H2O(g) =>
H2S(g) + O2(g) = SO(g) + H2O(g)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al + O2 = AlO3 =>
2 Al + 3 O2 = 2 AlO3
H3N + Br2 = NH4Br + N2 =>
8 H3N + 3 Br2 = 6 NH4Br + N2
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
MG + S = MGS =>
MG + S = MGS
Mg + S = MgS =>
Mg + S = MgS
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
K2Cr2O7 + H2SO4 + KI = Cr2SO4 + K2SO4 + I + H2O =>
K2Cr2O7 + 7 H2SO4 + 10 KI = Cr2SO4 + 6 K2SO4 + 10 I + 7 H2O
(CH3(CH2)4CH3) + O2 = H2 + CO2 =>
(CH3(CH2)4CH3) + 6 O2 = 7 H2 + 6 CO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
(CH3(CH2)4CH3) + O2 = H2O + CO2 =>
2(CH3(CH2)4CH3) + 19 O2 = 14 H2O + 12 CO2
CuSo4 + BaCl = CuCl + BaSo4 =>
CuSo4 + BaCl = CuCl + BaSo4
NaCO3(s) + HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l) =>
NaCO3(s) + 2 HCl(aq) = NaCl2(aq) + CO2(g) + H2O(l)
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
KNo2 + KMnO4 + H2O = KNo3 + MnO2 + KOH =>
9 KNo2 + KMnO4 + 2 H2O = 6 KNo3 + MnO2 + 4 KOH
Pb3O4 + HNO3 = PbO2 + Pb(NO3)2 + H2O =>
Pb3O4 + 4 HNO3 = PbO2 + 2 Pb(NO3)2 + 2 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Na3VO4 + HCl + Na2SO3 + H{+} + H2O = V(H2O)6{3+} + NaCl + Na2SO4 =>
Na3VO4 + 3 HCl + Na2SO3 + 3 H{+} + 3 H2O = V(H2O)6{3+} + 3 NaCl + Na2SO4
Zn + HNO3 = Zn(NO3) + NO2 + H2O =>
Zn + 2 HNO3 = Zn(NO3) + NO2 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HCOH + Ag2O = HCOOH + Ag2 =>
HCOH + Ag2O = HCOOH + Ag2
MnO4{-} + Fe{2+} + H3O{+} = Mn{2+} + Fe{3+} + H2O =>
MnO4{-} + 5 Fe{2+} + 8 H3O{+} = Mn{2+} + 5 Fe{3+} + 12 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C(g) + H2(g) = CH4(g) =>
C(g) + 2 H2(g) = CH4(g)
Fe2(SO4)3 + H2O = Fe(OH)3 + H2SO4 =>
Fe2(SO4)3 + 6 H2O = 2 Fe(OH)3 + 3 H2SO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
SiCl4 + Mg = MgCl2 + Si =>
SiCl4 + 2 Mg = 2 MgCl2 + Si
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