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2 Al + Cr2O3 = Al2O3 + 2 Cr
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
MgI2 + K2CrO4 + H2SO4 = I2 + MgSO4 + K2SO4 + H2O + Cr2(SO4)3 =>
3 MgI2 + 2 K2CrO4 + 8 H2SO4 = 3 I2 + 3 MgSO4 + 2 K2SO4 + 8 H2O + Cr2(SO4)3
Ga(BrO4)3 + NH4OH = Ga(OH)3 + NH4BrO4 =>
Ga(BrO4)3 + 3 NH4OH = Ga(OH)3 + 3 NH4BrO4
B + I2 = BI3 =>
2 B + 3 I2 = 2 BI3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
PbCl2 + CH3COOH = Pb(CH3COO)2 + HCl =>
PbCl2 + 2 CH3COOH = Pb(CH3COO)2 + 2 HCl
CaCO3 + FeCl2 = CaCl2 + FeCO3 =>
CaCO3 + FeCl2 = CaCl2 + FeCO3
ZnO + SO2 = Zn + ZnSO4 =>
2 ZnO + SO2 = Zn + ZnSO4
Mg(NO3)2 = NO2 + MgO2 =>
Mg(NO3)2 = 2 NO2 + MgO2
Zn + (HCl)20 = ZnCl2 + H2 =>
10 Zn + (HCl)20 = 10 ZnCl2 + 10 H2
NH4VO3 + H2SO4 + H2O2 = [VO(O2)]2SO4 + (NH4)2SO4 + H2O =>
2 NH4VO3 + 2 H2SO4 + 2 H2O2 = [VO(O2)]2SO4 + (NH4)2SO4 + 4 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C3H8O5 + O2 = CO2 + H2O =>
2 C3H8O5 + 5 O2 = 6 CO2 + 8 H2O
LiAlH4 + AlCl3 = AlH3 + LiCl =>
3 LiAlH4 + AlCl3 = 4 AlH3 + 3 LiCl
Fe(No3)3 + NaOH = Fe(OH)3 + Na(No3) =>
Fe(No3)3 + 3 NaOH = Fe(OH)3 + 3 Na(No3)
Ti + H2SO4 = Ti(SO4)2 + H2 =>
Ti + 2 H2SO4 = Ti(SO4)2 + 2 H2
AlCl3 + NaOH = Na3[Al(OH)6] + NaCl =>
AlCl3 + 6 NaOH = Na3[Al(OH)6] + 3 NaCl
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Cl02 = Cl2 =>
Cl02 = Cl2
Mg2OH + HCl = Mg2Cl + H2O =>
Mg2OH + HCl = Mg2Cl + H2O
Fe + SnCl4 = FeCl2 + Sn4 =>
8 Fe + 4 SnCl4 = 8 FeCl2 + Sn4
NaC2H3O2 + NaCl = ClC2H3O2 + Na =>
NaC2H3O2 + NaCl = ClC2H3O2 + 2 Na
CH3COONa + HCl = CH3COOH + NaCl =>
CH3COONa + HCl = CH3COOH + NaCl
Fe + CrO3 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
2 Fe + 2 CrO3 + 6 H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + 6 H2O
Fe(iii)O2 + CO = Fe + CO2 =>
Fe(iii)O2 + 2 CO = Fe + 2 CO2
Fe(No3)3 + NaOH = Fe(OH)3 + Na(No3) =>
Fe(No3)3 + 3 NaOH = Fe(OH)3 + 3 Na(No3)
Na2O + HCl = Na + H2O + Cl2 =>
Na2O + 2 HCl = 2 Na + H2O + Cl2
AgBr + HNO3 = Ag(NO3) + HBr =>
AgBr + HNO3 = Ag(NO3) + HBr
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Fe + CuNO3 = Cu + Fe(NO3)2 =>
Fe + 2 CuNO3 = 2 Cu + Fe(NO3)2
BaCl2 + Na2S = BaS + Na2 + Cl2 =>
BaCl2 + Na2S = BaS + Na2 + Cl2
NaC2O = NaC2 + O2 =>
2 NaC2O = 2 NaC2 + O2
FeOH + S = SOH + Fe =>
FeOH + S = SOH + Fe
Al2(SO4)3 + NH4F = AlF3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 NH4F = 2 AlF3 + 3(NH4)2SO4
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
C3H6(g) + NH3(g) + O2(g) = C3H3N(l) + H2O(g) =>
2 C3H6(g) + 2 NH3(g) + 3 O2(g) = 2 C3H3N(l) + 6 H2O(g)
(NH4)2CO3 + HCl = NH4Cl + H2O + CO2 =>
(NH4)2CO3 + 2 HCl = 2 NH4Cl + H2O + CO2
NaSO + HCl = S + SO + NaCl + H2O =>
2 NaSO + 2 HCl = S + SO + 2 NaCl + H2O
Fe + CuNO3 = Cu + Fe(NO3)2 =>
Fe + 2 CuNO3 = 2 Cu + Fe(NO3)2
AlBr3 + K2SO4 = AlSO4 + Br3K2 =>
AlBr3 + K2SO4 = AlSO4 + Br3K2
N2O3 + H2O = HNO3 + NO =>
3 N2O3 + H2O = 2 HNO3 + 4 NO
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
SnO2 + Al = Sn + AlO3 =>
3 SnO2 + 2 Al = 3 Sn + 2 AlO3
NaBr + MnO2 + H2SO4 = NaSO4 + MnSO4 + H2O + Br2 =>
2 NaBr + 2 MnO2 + 4 H2SO4 = 2 NaSO4 + 2 MnSO4 + 4 H2O + Br2
FeCl3 + KJ = FeCl + J2 + KCl =>
FeCl3 + 2 KJ = FeCl + J2 + 2 KCl
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