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3 Cu(NO3)2 + 2 Fe = 2 Fe(NO3)3 + 3 Cu
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C6H5NH3Cl + NaOH = NaCl + C6H5NH2 + H2O =>
C6H5NH3Cl + NaOH = NaCl + C6H5NH2 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cl2(aq) + NaI(aq) = I2(aq) + NaCl(aq) =>
Cl2(aq) + 2 NaI(aq) = I2(aq) + 2 NaCl(aq)
Ca(ClO4)2 + K2CO3 = CaCO3 + K(ClO4) =>
Ca(ClO4)2 + K2CO3 = CaCO3 + 2 K(ClO4)
MgS + H3PO3 = Mg3(PO3)2 + H2S =>
3 MgS + 2 H3PO3 = Mg3(PO3)2 + 3 H2S
CH3COONa + HCl = HCH3COO + NaCl =>
CH3COONa + HCl = HCH3COO + NaCl
NaHO = Na2O + H2O =>
2 NaHO = Na2O + H2O
C17H30O3 + O2 = CO2 + H2O =>
C17H30O3 + 23 O2 = 17 CO2 + 15 H2O
Bi(NO3)3 + HCl + Zn = Zn(NO3)2 + BiCl3 + H2 =>
2 Bi(NO3)3 + 6 HCl + 3 Zn = 3 Zn(NO3)2 + 2 BiCl3 + 3 H2
BaCl2(aq) + NH4OH(aq) = NH4Cl2(aq) + BaOH(s) =>
BaCl2(aq) + NH4OH(aq) = NH4Cl2(aq) + BaOH(s)
Cu(s) + O2(g) + H2O(l) = Cu{2+} + OH{-} =>
2 Cu(s) + O2(g) + 2 H2O(l) = 2 Cu{2+} + 4 OH{-}
CH3COONa + HCl = HCH3COO + NaCl =>
CH3COONa + HCl = HCH3COO + NaCl
MgCl2 + H2O = Mg(OH)2 + Cl + H2 =>
MgCl2 + 2 H2O = Mg(OH)2 + 2 Cl + H2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Sn + NaOH = Na2SnO + H2O =>
Sn + 2 NaOH = Na2SnO + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
SULFUROFERROSO + ACIDOCLORHIDRICO = CLORUROFERROSO + ACIDOSULFHIDRICO =>
SULFUROFERROSO + ACIDOCLORHIDRICO = CLORUROFERROSO + ACIDOSULFHIDRICO
CuI + I2 = CuI2 =>
2 CuI + I2 = 2 CuI2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe2O3 + NaOH = NaO3 + Fe2OH =>
Fe2O3 + NaOH = NaO3 + Fe2OH
BaSO4 + Al(OH)3 = Al2(SO4)3 + Ba(OH)2 =>
3 BaSO4 + 2 Al(OH)3 = Al2(SO4)3 + 3 Ba(OH)2
FeSO4 + NaOH + H2O2 = Fe2O3 + H2O + Na2SO4 =>
2 FeSO4 + 4 NaOH + H2O2 = Fe2O3 + 3 H2O + 2 Na2SO4
C + CO2 = CO =>
C + CO2 = 2 CO
MgCO3 + HI = MgI2 + H2CO3 =>
MgCO3 + 2 HI = MgI2 + H2CO3
C3H10NClNaOH = C3H9NNaClH2O =>
C3H10NClNaOH = C3H9NNaClH2O
PClO3 = PCl + O =>
PClO3 = PCl + 3 O
AgClO3(s) = AgCl(s) + O2(g) =>
2 AgClO3(s) = 2 AgCl(s) + 3 O2(g)
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
ZnS + O2 + H2O = ZnO + H2SO4 =>
ZnS + 2 O2 + H2O = ZnO + H2SO4
Ca(CH3COO)2 + Na2CO3 = CaCO3 + CH3COONa =>
Ca(CH3COO)2 + Na2CO3 = CaCO3 + 2 CH3COONa
Mn + HCl = MnCl2 + H2 =>
Mn + 2 HCl = MnCl2 + H2
C6H6COOH + KOH = H2O + KC6H6COO =>
C6H6COOH + KOH = H2O + KC6H6COO
K2S + CuSO4 = K2SO4 + CuS =>
K2S + CuSO4 = K2SO4 + CuS
HCl + Mn2O5 = MnCl2 + H2O + Cl2 =>
10 HCl + Mn2O5 = 2 MnCl2 + 5 H2O + 3 Cl2
Zn + Cu3SO4 = Cu + ZnSO4 =>
Zn + Cu3SO4 = 3 Cu + ZnSO4
CuFe2S3 + HNO3 = FeSO4 + CuS + NO2 + H2O =>
CuFe2S3 + 16 HNO3 = 2 FeSO4 + CuS + 16 NO2 + 8 H2O
C2H5OH + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 C2H5OH + 8 KMnO4 + 12 H2SO4 = 10 HCOOH + 8 MnSO4 + 4 K2SO4 + 17 H2O
Cr2O3 + NaOH = Cr(OH)3 + Na + O2 =>
2 Cr2O3 + 12 NaOH = 4 Cr(OH)3 + 12 Na + 3 O2
NaCl(l) = Na(s) + Cl2(g) =>
2 NaCl(l) = 2 Na(s) + Cl2(g)
CH3COOH + CH3CH(OH)CH2CH3 = CH3COOCH2CH2CH3 + H2O =>
4 CH3COOH + 3 CH3CH(OH)CH2CH3 = 4 CH3COOCH2CH2CH3 + 3 H2O
AgOCN(aq) + NH4Cl(aq) = AgCl(s) + NH2CONH2(aq) =>
AgOCN(aq) + NH4Cl(aq) = AgCl(s) + NH2CONH2(aq)
HNO3(l) + Cu(s) = Cu(NO3)2 + NO2(g) + H2O(l) =>
4 HNO3(l) + Cu(s) = Cu(NO3)2 + 2 NO2(g) + 2 H2O(l)
Cu(OH)2 + HNO3 = CuOHNO3 + H2O =>
Cu(OH)2 + HNO3 = CuOHNO3 + H2O
ZnO = O2 + Zn =>
2 ZnO = O2 + 2 Zn
NaH2PO4 + Ca(NO3)2 = NaH2(NO3)2 + Ca(PO4) =>
NaH2PO4 + Ca(NO3)2 = NaH2(NO3)2 + Ca(PO4)
NaF(aq) + Cl2(g) = NaCl(aq) + F2 =>
2 NaF(aq) + Cl2(g) = 2 NaCl(aq) + F2
H3CHCOHCH3 + KMnO4 + H2SO4 = CH3COCH3 + MnSO4 + H2O + K2SO4 =>
5 H3CHCOHCH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3COCH3 + 2 MnSO4 + 8 H2O + K2SO4
Na + Cl = NaCl =>
Na + Cl = NaCl
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