Équations équilibrées la veille |
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cu(NO3)2 + H2SO4 = CuSO4 + HNO3 =>
Cu(NO3)2 + H2SO4 = CuSO4 + 2 HNO3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Fe(H2O)6{3+} + HS{-} = H2S + Fe(H2O)5(OH){2+} =>
Fe(H2O)6{3+} + HS{-} = H2S + Fe(H2O)5(OH){2+}
Ca(OH)2 + HCl = H2O + CaCl2 =>
Ca(OH)2 + 2 HCl = 2 H2O + CaCl2
Fe + KCNS = Fe(CNS) + K =>
Fe + KCNS = Fe(CNS) + K
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Na2O2 + Fe(OH)2 + H2O = Na3[Fe(OH)6] + Fe(OH)3 =>
3 Na2O2 + 6 Fe(OH)2 + 6 H2O = 2 Na3[Fe(OH)6] + 4 Fe(OH)3
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Bi2(SO4)3 + H2O = (BiO)2SO4 + H2SO4 =>
Bi2(SO4)3 + 2 H2O = (BiO)2SO4 + 2 H2SO4
HBr + NH3 = NH4Br =>
HBr + NH3 = NH4Br
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
SrOH + NaSO4 = SrSO4 + NaOH =>
SrOH + NaSO4 = SrSO4 + NaOH
C2H5NH2 + NaNO2 + HCl = C2H5OH + N2 + NaCl + H2O =>
C2H5NH2 + NaNO2 + HCl = C2H5OH + N2 + NaCl + H2O
FeSiO3 + O2 + H2O = FeO(OH) + SiO2 =>
4 FeSiO3 + O2 + 2 H2O = 4 FeO(OH) + 4 SiO2
C2H5NH2NaNO2HCl = C2H5OHN2NaClH2O =>
C2H5NH2NaNO2HCl = C2H5OHN2NaClH2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CH3CHO + OH = CH3COOH + H2O =>
CH3CHO + 2 OH = CH3COOH + H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
C4H9OH + C3H7OH = C7H16(OH)2 =>
C4H9OH + C3H7OH = C7H16(OH)2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
HNO3 + CuS = CuO + S + NO + H2O =>
2 HNO3 + 3 CuS = 3 CuO + 3 S + 2 NO + H2O
NaHCO3 + H3C6H8O7 = Na3C6H8O7 + H2O + CO2 =>
3 NaHCO3 + H3C6H8O7 = Na3C6H8O7 + 3 H2O + 3 CO2
NaNo3 + CuCl2 = Cu(No3)2 + NaCl =>
2 NaNo3 + CuCl2 = Cu(No3)2 + 2 NaCl
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
C6H6 + KMnO4 = C6H6K + MnO4 =>
C6H6 + KMnO4 = C6H6K + MnO4
MgCO3 = MgOCO2 = =>
MgCO3 = MgOCO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + Cu2SO4 = Cu2 + MgSO4 =>
Mg + Cu2SO4 = Cu2 + MgSO4
C3H8 = C + H2 =>
C3H8 = 3 C + 4 H2
H2SO4 + AlBr3 = Al2(SO4)3 + HBr =>
3 H2SO4 + 2 AlBr3 = Al2(SO4)3 + 6 HBr
H2O + Zn + ClO{-} = Zn(OH)2 + Cl{-} =>
H2O + Zn + ClO{-} = Zn(OH)2 + Cl{-}
Zn + CuBr = Cu + ZnBr2 =>
Zn + 2 CuBr = 2 Cu + ZnBr2
NaClO3 + H2SO4 + CH3OH = ClO2 + NaHSO4 + CO2 + H2O =>
6 NaClO3 + 6 H2SO4 + CH3OH = 6 ClO2 + 6 NaHSO4 + CO2 + 5 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
ZnO + CaCo3 = ZnCo3 + CaO =>
ZnO + CaCo3 = ZnCo3 + CaO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Al + HgBr2 = Al2Hg3 + Br =>
2 Al + 3 HgBr2 = Al2Hg3 + 6 Br
Cr2O7 + Br{-} + H{+} = Cr3{+} + Br2 + H2O =>
3 Cr2O7 + 40 Br{-} + 42 H{+} = 2 Cr3{+} + 20 Br2 + 21 H2O
Mg(ClO3)2 = MgCl2 + O2 =>
Mg(ClO3)2 = MgCl2 + 3 O2
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