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40 NO2 + H20 = 20 HNO3 + 20 NO
Cu + O = CuO =>
Cu + O = CuO
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
FeCl3 + NH4CNS = Fe(CNS)3 + NH4Cl =>
FeCl3 + 3 NH4CNS = Fe(CNS)3 + 3 NH4Cl
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
3 SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CuCl + SO4 + HCl = CuCl2 + H2O + S =>
8 CuCl + SO4 + 8 HCl = 8 CuCl2 + 4 H2O + S
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
HCl + KClO3 = KCl + Cl2 + H2O =>
6 HCl + KClO3 = KCl + 3 Cl2 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HCOOH + NAOH = HCOONA + H2O =>
HCOOH + NAOH = HCOONA + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HI(aq) + Sr(OH)2(aq) = SrI2(aq) + H2O(l) =>
2 HI(aq) + Sr(OH)2(aq) = SrI2(aq) + 2 H2O(l)
Zn + NaCl = Zn(NaCl) =>
Zn + NaCl = Zn(NaCl)
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
BaCl2 + AgNO3 = AgCl2 + BaNO3 =>
BaCl2 + AgNO3 = AgCl2 + BaNO3
C2H2 + H2 = C4H8 =>
2 C2H2 + 2 H2 = C4H8
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
C2H2 + H2 = C4H8 =>
2 C2H2 + 2 H2 = C4H8
Al2(So4)3 + NaOh = Al(Oh)3 + Na2So4 =>
Al2(So4)3 + 6 NaOh = 2 Al(Oh)3 + 3 Na2So4
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Fe + HNO3 = Fe(NO3)3 + H2O + NO2 =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 H2O + 3 NO2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
KIO3 + HCl + Fe = KI + FeCl2 + H2O =>
KIO3 + 6 HCl + 3 Fe = KI + 3 FeCl2 + 3 H2O
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
Na2SO4(aq) + Ca(NO3)2(aq) = NaNO3(aq) + CaSO4(aq) =>
Na2SO4(aq) + Ca(NO3)2(aq) = 2 NaNO3(aq) + CaSO4(aq)
Ag2S + Al = Ag + Al2S3 =>
3 Ag2S + 2 Al = 6 Ag + Al2S3
Ag2S + Al203 = Ag + Al2S3 =>
609 Ag2S + 2 Al203 = 1218 Ag + 203 Al2S3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
K + MgCl2 = KCl2 + Mg =>
K + MgCl2 = KCl2 + Mg
Ag2S + Al2O3 = Ag + Al2S3 + SO2 =>
9 Ag2S + 2 Al2O3 = 18 Ag + 2 Al2S3 + 3 SO2
H2O + SO3 = H2SO4 =>
H2O + SO3 = H2SO4
NA + Cl2 = NACl2 =>
NA + Cl2 = NACl2
NA + Cl2 = NACl =>
2 NA + Cl2 = 2 NACl
Fe + KIO3 + HCl = KI + FeCl2 + H2O =>
3 Fe + KIO3 + 6 HCl = KI + 3 FeCl2 + 3 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaOH(aq) + KHC8H4O4(aq) = KNaC8H4O4(aq) + H2O(l) =>
NaOH(aq) + KHC8H4O4(aq) = KNaC8H4O4(aq) + H2O(l)
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH4Cl + Ca(OH)2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H2O + 2 NH3
MgSiO3 + NaOH = Na2SiO3 + Mg(OH)2 =>
MgSiO3 + 2 NaOH = Na2SiO3 + Mg(OH)2
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
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