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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Mg(OH)2 + HBr = MgBr2 + H2O =>
Mg(OH)2 + 2 HBr = MgBr2 + 2 H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
CaSO4 + Na3PO4 = Ca3(PO4)2 + Na2SO4 =>
3 CaSO4 + 2 Na3PO4 = Ca3(PO4)2 + 3 Na2SO4
Ni(NO3)2 + Cu(NO3)2 + Co(NO3)2 + Fe(NO3)3 + NH2CH2COOH = NiCuCoFe + N2 + CO2 + H2O =>
2 Ni(NO3)2 + 2 Cu(NO3)2 + 2 Co(NO3)2 + 2 Fe(NO3)3 + 12 NH2CH2COOH = 2 NiCuCoFe + 15 N2 + 24 CO2 + 30 H2O
NH4OH = H2O + NH3 =>
NH4OH = H2O + NH3
Cu(NO3)2 + NH3 + HO2 = Cu(OH)2 + NH4NO3 =>
7 Cu(NO3)2 + 26 NH3 + 16 HO2 = 7 Cu(OH)2 + 20 NH4NO3
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
H2SO4 + Al(OH)3 = H2O + Al2(SO4)3 =>
3 H2SO4 + 2 Al(OH)3 = 6 H2O + Al2(SO4)3
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
C5H10SO3 + HCl = C5H9SO3Cl + H2 =>
C5H10SO3 + HCl = C5H9SO3Cl + H2
CO(g) + O2(g) = CO2(g) =>
2 CO(g) + O2(g) = 2 CO2(g)
NaOH + (NH4)2SO4 = Na2SO4 + H2O + NH3 =>
2 NaOH + (NH4)2SO4 = Na2SO4 + 2 H2O + 2 NH3
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Cu(NO3)2 + NH3 + H2O = Cu(OH)2 + NH4NO3 =>
Cu(NO3)2 + 2 NH3 + 2 H2O = Cu(OH)2 + 2 NH4NO3
Cr2O3 + CO = Cr2 + CO2 =>
Cr2O3 + 3 CO = Cr2 + 3 CO2
Zn + H3PO4 = Zn3(PO4)2 + H2 =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
Mg(s) + N(g) = Mg3N2(s) =>
3 Mg(s) + 2 N(g) = Mg3N2(s)
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
HNO3 + HBr = Br2 + NO + H2O =>
2 HNO3 + 6 HBr = 3 Br2 + 2 NO + 4 H2O
KHCO3 + H3PO4 = K2HPO4 + H2O + CO2 =>
2 KHCO3 + H3PO4 = K2HPO4 + 2 H2O + 2 CO2
HCl + NAOH = H2O + NACl =>
HCl + NAOH = H2O + NACl
Ag + HNo3 = AgNo3 + H2 =>
2 Ag + 2 HNo3 = 2 AgNo3 + H2
CH3OH + HBr = CH3Br + H2O =>
CH3OH + HBr = CH3Br + H2O
KClO3 + HNO2 = KCl + HNO3 =>
KClO3 + 3 HNO2 = KCl + 3 HNO3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
ZN + NaOH = Na2ZNO2 + H2 =>
ZN + 2 NaOH = Na2ZNO2 + H2
Al + H2So4(aq) = Al2(So4)3 + H2 =>
2 Al + 3 H2So4(aq) = Al2(So4)3 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
CaBr2 + H3PO4 = Ca3(PO4)2 + HBr =>
3 CaBr2 + 2 H3PO4 = Ca3(PO4)2 + 6 HBr
Cl2 + ZnI2 = ZnCl2 + I2 =>
Cl2 + ZnI2 = ZnCl2 + I2
Zn + AgCl = ZnCl2 + Ag =>
Zn + 2 AgCl = ZnCl2 + 2 Ag
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CuCl2 = Cu + Cl2 =>
CuCl2 = Cu + Cl2
Na2Cr2O7 + H2SO4 + NaI = Cr2(SO4)3 + NaSO4 + I2 + H2O =>
Na2Cr2O7 + 7 H2SO4 + 2 NaI = Cr2(SO4)3 + 4 NaSO4 + I2 + 7 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na2Cr2O7 + H2SO4 + NaI = Cr2(SO4)3 + NaSO4 + I2 + H2O =>
Na2Cr2O7 + 7 H2SO4 + 2 NaI = Cr2(SO4)3 + 4 NaSO4 + I2 + 7 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
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