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2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C9H8O4 + O2 = CO2 + H2O =>
C9H8O4 + 9 O2 = 9 CO2 + 4 H2O
NaI + Cl2 = NaCl + I(aq) =>
2 NaI + Cl2 = 2 NaCl + 2 I(aq)
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
C5H15 + O2 = CO2 + H2O =>
4 C5H15 + 35 O2 = 20 CO2 + 30 H2O
Al + HClO4 = H2 + Al(ClO4)3 =>
2 Al + 6 HClO4 = 3 H2 + 2 Al(ClO4)3
Au + KCN + O2 + H2O = K[Au(CN)2] + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 K[Au(CN)2] + 4 KOH
Li(s) + O2(g) = Li2O =>
4 Li(s) + O2(g) = 2 Li2O
IO4{-} + I{-} + H{+} = I2 + H2O =>
IO4{-} + 7 I{-} + 8 H{+} = 4 I2 + 4 H2O
HBr + Na = NaBr + H2 =>
2 HBr + 2 Na = 2 NaBr + H2
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KCl + AgCH3COO = KCH3COO + AgCl =>
KCl + AgCH3COO = KCH3COO + AgCl
IO4{-} + I{-} + H{+} = I2 + H2O =>
IO4{-} + 7 I{-} + 8 H{+} = 4 I2 + 4 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
LiOH + Fe(NO3)3 = Li(NO3) + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 Li(NO3) + Fe(OH)3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ca(NO3)2 + Na2SO4 = CaSO4 + Na2(NO3)2 =>
Ca(NO3)2 + Na2SO4 = CaSO4 + Na2(NO3)2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ca(OH)2 + HBr = CaBr2 + H2O =>
Ca(OH)2 + 2 HBr = CaBr2 + 2 H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HNO3 + HI = NO + I2 + H2O =>
2 HNO3 + 6 HI = 2 NO + 3 I2 + 4 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
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