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2 Cu + O2 = 2 CuO
BaCl2 + Al2[SO4]3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2[SO4]3 = 3 BaSO4 + 2 AlCl3
Fe + H3Po4 = H + FePo4 =>
Fe + H3Po4 = 3 H + FePo4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NaNH2 + NaNO3 = NaN3 + NaOH + NH3 =>
3 NaNH2 + NaNO3 = NaN3 + 3 NaOH + NH3
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
H2 + Fe3O4 = Fe + H2O =>
4 H2 + Fe3O4 = 3 Fe + 4 H2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C3H3 + O2 = CO2 + HO2 =>
C3H3 + 6 O2 = 3 CO2 + 3 HO2
Fe + H3Po4 = H + Fe3(Po4)2 =>
3 Fe + 2 H3Po4 = 6 H + Fe3(Po4)2
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
Fe + H3Po4 = H + Fe2(Po4)3 =>
2 Fe + 3 H3Po4 = 9 H + Fe2(Po4)3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
Fe + H2Po4 = H + Fe2(Po4)3 =>
2 Fe + 3 H2Po4 = 6 H + Fe2(Po4)3
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Na + I = NaI =>
Na + I = NaI
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
PbNO3 + NaCl = PbCl + NaNO3 =>
PbNO3 + NaCl = PbCl + NaNO3
ZN + I2 = ZNI =>
2 ZN + I2 = 2 ZNI
NH2CH2COOH + Mg = NH2CH2COOMg + H =>
NH2CH2COOH + Mg = NH2CH2COOMg + H
Zn + I2 = ZnI =>
2 Zn + I2 = 2 ZnI
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
Cu(OH)2 + NaOH = Na2[Cu(OH)4] =>
Cu(OH)2 + 2 NaOH = Na2[Cu(OH)4]
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
Cl2O + H2O = HClO =>
Cl2O + H2O = 2 HClO
CL + H2O = HCL + HCLO3 =>
6 CL + 3 H2O = 5 HCL + HCLO3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Cl2O3 + H2O = HClO2 =>
Cl2O3 + H2O = 2 HClO2
AgNO3 + C4 = C4(NO3)2 + Ag =>
2 AgNO3 + C4 = C4(NO3)2 + 2 Ag
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
H2S = H2 + S =>
H2S = H2 + S
Cl2O5 + H2O = HClO3 =>
Cl2O5 + H2O = 2 HClO3
H2SO4 + Ca(OH)2 = H2O + CaSO4 =>
H2SO4 + Ca(OH)2 = 2 H2O + CaSO4
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
K2SO3 + H2O = K2SO4 + H2 =>
K2SO3 + H2O = K2SO4 + H2
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
KI + H2SO4 = K2SO4 + I2 + H2S + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + H2S + 4 H2O
AuCl4 + Na3C6H5O7 = Au + Na2C5H4O5 + CO2 + NaCl + HCl =>
AuCl4 + 2 Na3C6H5O7 = Au + 2 Na2C5H4O5 + 2 CO2 + 2 NaCl + 2 HCl
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
CaCO3 + Na2EDTA = Ca(EDTA) + Na2CO3 =>
CaCO3 + Na2EDTA = Ca(EDTA) + Na2CO3
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
HCl + CaCO3 = CO2 + H2O + CaCl2 =>
2 HCl + CaCO3 = CO2 + H2O + CaCl2
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