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2 Al + 3 CuO = Al2O3 + 3 Cu
Pb3O4 + HCOOH = Pb(HCOO)2 + CO2 + H2O =>
Pb3O4 + 7 HCOOH = 3 Pb(HCOO)2 + CO2 + 4 H2O
P4 + PI3 + H2O = PH4I + H3PO4 =>
11 P4 + 10 PI3 + 96 H2O = 30 PH4I + 24 H3PO4
Ca(OH)2 + K = Ca + OHK =>
Ca(OH)2 + 2 K = Ca + 2 OHK
CuCl2 + Na2O = NaCl + CuO =>
CuCl2 + Na2O = 2 NaCl + CuO
Na2WO42H2O + C3H7NOS2 + HCl = WS2 + N2 + CO2 + NaCl + O2 + H2O =>
4 Na2WO42H2O + 4 C3H7NOS2 + 8 HCl = 4 WS2 + 2 N2 + 12 CO2 + 8 NaCl + 65 O2 + 22 H2O
K2Cr2O7 + H2SO4 = K2SO4 + CrSO4 + H2O + O =>
K2Cr2O7 + 3 H2SO4 = K2SO4 + 2 CrSO4 + 3 H2O + 4 O
KIO3 + Ca(NO3)2*4H2O = Ca(IO3)2 + KNO3 + H2O =>
2 KIO3 + Ca(NO3)2*4H2O = Ca(IO3)2 + 2 KNO3 + 4 H2O
Ni(OH)2 + FeCl3 = Fe(OH)3 + NiCl2 =>
3 Ni(OH)2 + 2 FeCl3 = 2 Fe(OH)3 + 3 NiCl2
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
CH3COOH(s) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(s) + NaOH(aq) = CH3COONa(aq) + H2O(l)
P2 + Cl2 = PCl =>
P2 + Cl2 = 2 PCl
[Zn(OH)4]{2-} + H{+} = Zn{2+} + H2O =>
[Zn(OH)4]{2-} + 4 H{+} = Zn{2+} + 4 H2O
FeCl3(aq) + NaOH(aq) = Fe(OH)3(s) + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3(s) + 3 NaCl(aq)
FeCl2 + HCl = FeCl3 + H =>
FeCl2 + HCl = FeCl3 + H
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
Co2O3(s) + C(s) = Co(s) + CO2(g) =>
2 Co2O3(s) + 3 C(s) = 4 Co(s) + 3 CO2(g)
KMnO4 + KI + HCl = I2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 10 KI + 16 HCl = 5 I2 + 2 MnCl2 + 12 KCl + 8 H2O
Cu(SO4) + (NH4)OH = Cu(OH)2 + (NH4)2SO4 =>
Cu(SO4) + 2(NH4)OH = Cu(OH)2 + (NH4)2SO4
Cu + HNO3 + H{+} = Cu{2+} + NO + H2O =>
3 Cu + 2 HNO3 + 6 H{+} = 3 Cu{2+} + 2 NO + 4 H2O
C11H18N2O5 + O2 = CO2 + H2O + N2 =>
C11H18N2O5 + 13 O2 = 11 CO2 + 9 H2O + N2
H2CrO4 + KCl + NaOH = HCl + KOH + Na2CrO4 =>
H2CrO4 + 2 KCl + 2 NaOH = 2 HCl + 2 KOH + Na2CrO4
C15H31COOH + O2 = C + H2O =>
C15H31COOH + 7 O2 = 16 C + 16 H2O
NaH2SO4 = H2NaSO4 =>
NaH2SO4 = H2NaSO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH3C(OH)2 + H2O = CH3CH2OH + O2 =>
4 CH3C(OH)2 + 2 H2O = 4 CH3CH2OH + 3 O2
Mg + BaO2 = MgO + BaO =>
Mg + BaO2 = MgO + BaO
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
C2H5OH + Na = C2H5ONa + H2 =>
2 C2H5OH + 2 Na = 2 C2H5ONa + H2
NaOH + K2(SO4) = NaSO4 + K2OH =>
NaOH + K2(SO4) = NaSO4 + K2OH
Fe + FeCl3 = FeCl2 =>
Fe + 2 FeCl3 = 3 FeCl2
Mg(OH)2 + Cl2 = MgCl2 + OH =>
Mg(OH)2 + Cl2 = MgCl2 + 2 OH
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
AgNO3 + CuF2 = AgF + Cu(NO3)2 =>
2 AgNO3 + CuF2 = 2 AgF + Cu(NO3)2
CH3COOH + HNO3 = H2O + CH2COOO3 + HCN =>
5 CH3COOH + 4 HNO3 = 7 H2O + 3 CH2COOO3 + 4 HCN
NaHCO3 + ZnCl2 = NaCl2 + ZnHCO3 =>
NaHCO3 + ZnCl2 = NaCl2 + ZnHCO3
Al + K2SiF6 = AlF3 + Si + KF =>
4 Al + 3 K2SiF6 = 4 AlF3 + 3 Si + 6 KF
Mg + CuSO{+4} = Cu + MgSO{+4} =>
Mg + CuSO{+4} = Cu + MgSO{+4}
Al2 + HCl = Al2Cl3 + H2 =>
2 Al2 + 6 HCl = 2 Al2Cl3 + 3 H2
Fe[HC(CH3CO)2]3 + HCl = FeCl3 + [HC(CH3CO)2]H =>
Fe[HC(CH3CO)2]3 + 3 HCl = FeCl3 + 3[HC(CH3CO)2]H
Al + H2O = AlOH + H2 =>
2 Al + 2 H2O = 2 AlOH + H2
NaHSO3 + KIO3 = I2 + K2SO4 + Na2SO4 + NaHSO4 + H2O =>
5 NaHSO3 + 2 KIO3 = I2 + K2SO4 + Na2SO4 + 3 NaHSO4 + H2O
CO3{2-} + H3O{+} = H2CO3 + H2O = =>
CO3{2-} + 2 H3O{+} = H2CO3 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
BaFeO4 + H2SO4 = Fe2(SO4)3 + BaSO4 + O2 + H2O =>
4 BaFeO4 + 10 H2SO4 = 2 Fe2(SO4)3 + 4 BaSO4 + 3 O2 + 10 H2O
KNO3 + C12H22O11 + Fe2O3 = K2CO3 + H2O + Fe2(NO3)2 =>
24 KNO3 + C12H22O11 + 12 Fe2O3 = 12 K2CO3 + 11 H2O + 12 Fe2(NO3)2
CH3COCOOH + H2 = CH3CHOHCOOH =>
CH3COCOOH + H2 = CH3CHOHCOOH
CH2(OH) + O2 = CO2 + H2O =>
4 CH2(OH) + 5 O2 = 4 CO2 + 6 H2O
Mn(OH)2 + Cl2 + KOH = K2MnO4 + H2O + KCl =>
Mn(OH)2 + 2 Cl2 + 6 KOH = K2MnO4 + 4 H2O + 4 KCl
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