Équations équilibrées la veille |
He = He{+} + e
Hg{2+} + SnCl2 = Hg2Cl2 + Sn{4+} =>
2 Hg{2+} + SnCl2 = Hg2Cl2 + Sn{4+}
CCl4 = C + Cl2 =>
CCl4 = C + 2 Cl2
FeCl3 + K4[Fe(Cn)6] = KFe[Fe(Cn)6] + KCl =>
FeCl3 + K4[Fe(Cn)6] = KFe[Fe(Cn)6] + 3 KCl
C4H6O4 + NaOH = NaC4H4O4 + H2O + H2 =>
2 C4H6O4 + 2 NaOH = 2 NaC4H4O4 + 2 H2O + H2
CO = C + O2 =>
2 CO = 2 C + O2
HS{-} + H2O = S{2-} + H3O{+} =>
HS{-} + H2O = S{2-} + H3O{+}
Al + K4(Fe(CN)6) = Al(Fe(CN)6)3 + K =>
Al + 3 K4(Fe(CN)6) = Al(Fe(CN)6)3 + 12 K
C2H5OH = C2H4 + H2O =>
C2H5OH = C2H4 + H2O
NO3{-} + Al + OH{-}{+} + H2O = [Al(OH)4]{-} + NH3 =>
3 NO3{-} + 8 Al + 5 OH{-}{+} + 18 H2O = 8[Al(OH)4]{-} + 3 NH3
Mg + HI = MgI2 + H2 =>
Mg + 2 HI = MgI2 + H2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
KMnO4 + HCl + FeSO4 = KCl + MnCl2 + H2O + FeCl3 + Fe2(SO4)3 =>
3 KMnO4 + 24 HCl + 15 FeSO4 = 3 KCl + 3 MnCl2 + 12 H2O + 5 FeCl3 + 5 Fe2(SO4)3
FeCl2 + K2CO3 = FeCO3 + K2Cl2 =>
FeCl2 + K2CO3 = FeCO3 + K2Cl2
FeCl2 + K2CO3 = FeCO3 + KCl =>
FeCl2 + K2CO3 = FeCO3 + 2 KCl
C2H5OH(aq) + O2(g) = CH3COOH(aq) + H2O(e) =>
C2H5OH(aq) + O2(g) = CH3COOH(aq) + H2O(e)
Fe(OH)3 + H2Co3 = H2O + Fe2(Co3)3 =>
2 Fe(OH)3 + 3 H2Co3 = 6 H2O + Fe2(Co3)3
Cu2S + Ca(ClO)2 = CuO + CaCl2 + S2 =>
2 Cu2S + 2 Ca(ClO)2 = 4 CuO + 2 CaCl2 + S2
KOH + H3Po4 = K2HPo4 + H2O =>
2 KOH + H3Po4 = K2HPo4 + 2 H2O
Pb + H2O + O = Pb(OH)2 =>
Pb + H2O + O = Pb(OH)2
KI(l) = K + I =>
KI(l) = K + I
Pb(NO3)2 + Sn = Sn(NO3)4 + Pb =>
2 Pb(NO3)2 + Sn = Sn(NO3)4 + 2 Pb
Cu + HClO4 = Cu(ClO4)2 + Cl2 + H2O =>
7 Cu + 16 HClO4 = 7 Cu(ClO4)2 + Cl2 + 8 H2O
CaCl2(s) + Na2CO3 = CaCO3(s) + NaCl(aq) =>
CaCl2(s) + Na2CO3 = CaCO3(s) + 2 NaCl(aq)
Fe(s) + H2SO4(aq) = FeSO4(aq) + H2(g) =>
Fe(s) + H2SO4(aq) = FeSO4(aq) + H2(g)
(NH4)2CrO4 + Cr(NO3)3 = NH4NO3 + Cr2(CrO4)3 =>
3(NH4)2CrO4 + 2 Cr(NO3)3 = 6 NH4NO3 + Cr2(CrO4)3
Cu + HClO4 = Cu(ClO4)2 + H =>
Cu + 2 HClO4 = Cu(ClO4)2 + 2 H
H2SO4(aq) + Fe(s) = FeSO4(s) + H2(g) =>
H2SO4(aq) + Fe(s) = FeSO4(s) + H2(g)
Bi2S3 + HNO3 = Bi(NO3)2 + SO2 + NO + H2O =>
3 Bi2S3 + 28 HNO3 = 6 Bi(NO3)2 + 9 SO2 + 16 NO + 14 H2O
C8H10O + CO = C9H10O2 =>
C8H10O + CO = C9H10O2
Ag + PtO = AgO + Pt =>
Ag + PtO = AgO + Pt
(NH4)2CrO4 + Cr(NO3)3 = NH4(NO3) + Cr2(CrO4)3 =>
3(NH4)2CrO4 + 2 Cr(NO3)3 = 6 NH4(NO3) + Cr2(CrO4)3
Cu + HClO4 = Cu(ClO4)2 + ClO2 + H2O =>
3 Cu + 8 HClO4 = 3 Cu(ClO4)2 + 2 ClO2 + 4 H2O
H2SO4 + SnCl2 = SnCl2SO4 + H2 =>
H2SO4 + SnCl2 = SnCl2SO4 + H2
Ce2(C2O4)3 = Ce2O3 + CO + CO2 =>
Ce2(C2O4)3 = Ce2O3 + 3 CO + 3 CO2
HOOCCOOH + Na2CO3 = NaOOCCOONa + H2O + CO2 =>
HOOCCOOH + Na2CO3 = NaOOCCOONa + H2O + CO2
Al2S3 + HNO3 = Al2(SO4)3 + NO2 + H2O =>
Al2S3 + 24 HNO3 = Al2(SO4)3 + 24 NO2 + 12 H2O
PO4 = PO2 + O2 =>
PO4 = PO2 + O2
K2CO3 = CO2 + K2O =>
K2CO3 = CO2 + K2O
Ba(OH)2 + Ca3(PO4)2 = Ba(PO4)2 + Ca3(OH)2 =>
Ba(OH)2 + Ca3(PO4)2 = Ba(PO4)2 + Ca3(OH)2
C2H5COH + H2 = C2H5COH3 =>
C2H5COH + H2 = C2H5COH3
(NH4)2CrO4 + Cr(NO3)3 = (NH4)(NO3) + Cr2(CrO4)3 =>
3(NH4)2CrO4 + 2 Cr(NO3)3 = 6(NH4)(NO3) + Cr2(CrO4)3
K2S + CuSO4 = K2SO4 + CuS =>
K2S + CuSO4 = K2SO4 + CuS
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
PB + S = PBS =>
PB + S = PBS
Zn0 + S = ZnS =>
Zn0 + S = ZnS
SnO2(aq) + H2(g) = Sn(aq) + H2O(l) =>
SnO2(aq) + 2 H2(g) = Sn(aq) + 2 H2O(l)
Cu + HClO4 = HClO3 + CuO =>
Cu + HClO4 = HClO3 + CuO
Fe + CO2 = (FeCO2)6 =>
6 Fe + 6 CO2 = (FeCO2)6
CuI2 = Cu3 + I2 =>
3 CuI2 = Cu3 + 3 I2
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