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H2(g) + I2(g) = 2 HI(g)
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Zn + Au(NO3)3 = Au + Zn(NO3)2 =>
3 Zn + 2 Au(NO3)3 = 2 Au + 3 Zn(NO3)2
KAl(SO4)2 + NH4OH = Al(OH)3 + (NH4)2SO4 + KOH =>
KAl(SO4)2 + 4 NH4OH = Al(OH)3 + 2(NH4)2SO4 + KOH
HOCl + C = H2O + CO2 + Cl2 =>
4 HOCl + C = 2 H2O + CO2 + 2 Cl2
P + Cl = PCl5 =>
P + 5 Cl = PCl5
I2(g) + H2(g) = HI(g) =>
I2(g) + H2(g) = 2 HI(g)
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
BH4{-} + ClO3{-} = H2BO3{-} + Cl{-} + H2O =>
3 BH4{-} + 4 ClO3{-} = 3 H2BO3{-} + 4 Cl{-} + 3 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Pb + NH3 = Pb(NH3)2 =>
Pb + 2 NH3 = Pb(NH3)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cr2O7{-2} + H{+} + SO2 = Cr{+3} + H2O + SO4{-2} =>
Cr2O7{-2} + 2 H{+} + 3 SO2 = 2 Cr{+3} + H2O + 3 SO4{-2}
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
NH4NO3 + H2O = NH4OH + HNO3 =>
NH4NO3 + H2O = NH4OH + HNO3
CO(g) + O2 = CO2(g) =>
2 CO(g) + O2 = 2 CO2(g)
K2S + CdCl2 = CdS + KCl =>
K2S + CdCl2 = CdS + 2 KCl
KI(aq) + Cl2(g) = KCl(aq) + I2(s) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(s)
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Zn3(PO4)2 + Li = Li3PO4 + Zn =>
Zn3(PO4)2 + 6 Li = 2 Li3PO4 + 3 Zn
NH3 + O2 = N + H2O =>
4 NH3 + 3 O2 = 4 N + 6 H2O
As2S3 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S3 + 28 HNO3 = 2 H3AsO4 + 3 H2SO4 + 28 NO2 + 8 H2O
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + KCl(aq) =>
K2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 KCl(aq)
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
C7H5O2{-} + HNO3 = CO2 + NO + NO3{-} + H2O =>
C7H5O2{-} + 11 HNO3 = 7 CO2 + 10 NO + NO3{-} + 8 H2O
Mg(s) + Mn2O3(s) = MgO(s) + Mn(s) =>
3 Mg(s) + Mn2O3(s) = 3 MgO(s) + 2 Mn(s)
KOH(s) + KH2PO4(aq) = K3PO4(aq) + H2O(l) =>
2 KOH(s) + KH2PO4(aq) = K3PO4(aq) + 2 H2O(l)
Mn{2+} + H2O2 + OH{-} = MnO2 + H2O =>
Mn{2+} + H2O2 + 2 OH{-} = MnO2 + 2 H2O
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
C8H5O2{-} + HNO3 = CO2 + NO + NO3{-} + H2O =>
3 C8H5O2{-} + 37 HNO3 = 24 CO2 + 34 NO + 3 NO3{-} + 26 H2O
NO2(s) + H2O(l) + O2(g) = HNO3(aq) =>
4 NO2(s) + 2 H2O(l) + O2(g) = 4 HNO3(aq)
BaO2(s) + H2O(l) = Ba(OH)2(aq) + O2(g) =>
2 BaO2(s) + 2 H2O(l) = 2 Ba(OH)2(aq) + O2(g)
Ca + HOH = Ca(OH)2 + H2 =>
Ca + 2 HOH = Ca(OH)2 + H2
Mg3N2 + H2O = MgO + NH3 =>
Mg3N2 + 3 H2O = 3 MgO + 2 NH3
NH3(g) + O2(g) = NO(g) + H2O(l) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(l)
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
C8H4O4{-} + HNO3 = CO2 + NO + NO3{-} + H2O =>
3 C8H4O4{-} + 32 HNO3 = 24 CO2 + 29 NO + 3 NO3{-} + 22 H2O
NaNO3(s) = NaNO2(s) + O2(g) =>
2 NaNO3(s) = 2 NaNO2(s) + O2(g)
Na2O2(s) + H2O(l) = NaOH(aq) + O2(g) =>
2 Na2O2(s) + 2 H2O(l) = 4 NaOH(aq) + O2(g)
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
C8H6O4 + HNO3 = CO2 + NO + H2O =>
C8H6O4 + 10 HNO3 = 8 CO2 + 10 NO + 8 H2O
Si(s) + S8(s) = Si2S4(s) =>
4 Si(s) + S8(s) = 2 Si2S4(s)
Fe3O4(s) + H2(g) = Fe(s) + H2O(g) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
Br2(g) + H2O(l) + SO2(g) = HBr(aq) + H2SO4(aq) =>
Br2(g) + 2 H2O(l) + SO2(g) = 2 HBr(aq) + H2SO4(aq)
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