Équations équilibrées la veille |
Cu2SO4 + S2O6 = Cu2O4 + S2SO6
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ni(OH)2 + Zn = Zn(OH)2 + Ni =>
Ni(OH)2 + Zn = Zn(OH)2 + Ni
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH4 + HCO3 = NH + H2O + (CO2)2 =>
2 NH4 + 6 HCO3 = 2 NH + 6 H2O + 3(CO2)2
H2O + KCl = K2O + H + Cl =>
H2O + 2 KCl = K2O + 2 H + 2 Cl
Rb3PO4 + H2O = RbOH + H3PO4 =>
Rb3PO4 + 3 H2O = 3 RbOH + H3PO4
C5H12COOH + Na = C5H12COONa + H2 =>
2 C5H12COOH + 2 Na = 2 C5H12COONa + H2
HS + O = H2O + S =>
2 HS + O = H2O + 2 S
Na2S + ZnCl2 = ZnS + NaCl =>
Na2S + ZnCl2 = ZnS + 2 NaCl
NaHCO3 + Na2SiO3 = Na2CO3 + H2SiO3 =>
2 NaHCO3 + Na2SiO3 = 2 Na2CO3 + H2SiO3
NaOH2 + SO4 = Na2SO4 + H2O =>
2 NaOH2 + SO4 = Na2SO4 + 2 H2O
AlCl3 + NaHSO3 = Al(HSO3)3 + NaCl =>
AlCl3 + 3 NaHSO3 = Al(HSO3)3 + 3 NaCl
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
K2Cr2O7 + H2SO4 + HCl = CrCl3 + K2SO4 + Cl2 + H2O =>
K2Cr2O7 + H2SO4 + 12 HCl = 2 CrCl3 + K2SO4 + 3 Cl2 + 7 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Zn + NaOH = Zn(OH)2 + Na =>
Zn + 2 NaOH = Zn(OH)2 + 2 Na
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
(NH4)2C2O2 + NaOH + KMnO4 = KNaMnO4 + H2O + N2 + CO2 =>
(NH4)2C2O2 + 12 NaOH + 12 KMnO4 = 12 KNaMnO4 + 10 H2O + N2 + 2 CO2
Al + K4Fe(CN)6 = Al4(Fe(CN)6)3 + K =>
4 Al + 3 K4Fe(CN)6 = Al4(Fe(CN)6)3 + 12 K
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
C2H5Br3Zn = ZnBr2C2H5Br =>
C2H5Br3Zn = ZnBr2C2H5Br
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
ClO2 + H2O = HClO2 + HClO3 =>
2 ClO2 + H2O = HClO2 + HClO3
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
Na2S + Na2PbO2 + H2O = PbS + NaOH =>
Na2S + Na2PbO2 + 2 H2O = PbS + 4 NaOH
Na2Cr2O7 + CeSO4 + H2SO4 = Cr2(SO4)3 + NaSO4 + Ce(SO4)2 + H2O =>
Na2Cr2O7 + 2 CeSO4 + 7 H2SO4 = Cr2(SO4)3 + 2 NaSO4 + 2 Ce(SO4)2 + 7 H2O
C6H8O7(s) + NaHCO3(aq) = Na3C6H5O7(**) + H2O(l) + CO2(g) =>
C6H8O7(s) + 3 NaHCO3(aq) = Na3C6H5O7(**) + 3 H2O(l) + 3 CO2(g)
H2S2O5 + Os(OH)4 = Os(HS2O5)4 + H2O =>
4 H2S2O5 + Os(OH)4 = Os(HS2O5)4 + 4 H2O
CuSiO3 + H2S = CuS + H2SiO3 =>
CuSiO3 + H2S = CuS + H2SiO3
Na2O2 = (NaO)2 =>
Na2O2 = (NaO)2
NaOH + H2ZnO2 = Na2ZnO2 + H2O =>
2 NaOH + H2ZnO2 = Na2ZnO2 + 2 H2O
PbCrO4 + HCl + FeSO4 = Pb3Cl2 + Cr2(SO4)3 + FeCl3 + H2O + Fe2(SO4)3 =>
18 PbCrO4 + 144 HCl + 78 FeSO4 = 6 Pb3Cl2 + 9 Cr2(SO4)3 + 44 FeCl3 + 72 H2O + 17 Fe2(SO4)3
NH3 + SO3 = NH3SO3 =>
NH3 + SO3 = NH3SO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
KOH(aq) + BaCl(aq) = BaOH(aq) + KCl(aq) =>
KOH(aq) + BaCl(aq) = BaOH(aq) + KCl(aq)
F2 + NaOH = O2 + H2O + NaF =>
2 F2 + 4 NaOH = O2 + 2 H2O + 4 NaF
Zn + H3PO4 = Zn3(PO4)2 + H2 =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
CaSO4 + HNO3 = Ca(NO3)2 + H2SO4 =>
CaSO4 + 2 HNO3 = Ca(NO3)2 + H2SO4
CrO3 + H2O = H2Cr2O7 =>
2 CrO3 + H2O = H2Cr2O7
Be(s) + H2(g) = BeH2(s) =>
Be(s) + H2(g) = BeH2(s)
CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O =>
CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O
C2H4 + Ca(OH)2 + N2 = C2H6O2 + Ca3N2 =>
3 C2H4 + 3 Ca(OH)2 + N2 = 3 C2H6O2 + Ca3N2
Ba(OH)2 + Zn(NO3)2 = Ba(NO3)2 + Zn(OH)2 =>
Ba(OH)2 + Zn(NO3)2 = Ba(NO3)2 + Zn(OH)2
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