| Équations équilibrées la veille |
Pb(ClO3)2 + Na2S = PbS + 2 NaClO3
CH3NH2 + HCl = CH4 + NH2Cl =>
CH3NH2 + HCl = CH4 + NH2Cl
CrO3 + I2 = Cr2O3 + I2O7 =>
14 CrO3 + 3 I2 = 7 Cr2O3 + 3 I2O7
P4O10 + ZnO = Zn3(PO4)2 =>
P4O10 + 6 ZnO = 2 Zn3(PO4)2
C6H5CH3 + KMnO4 + HSO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
13 C6H5CH3 + 12 KMnO4 + 18 HSO4 = 13 C6H5COOH + 12 MnSO4 + 6 K2SO4 + 22 H2O
CH3CO2 + H2O = HC2H3O2 + OH =>
CH3CO2 + H2O = HC2H3O2 + OH
MnO4 + SO2{+} + H2O = Mn2 + SO4 + H{+} =>
6 MnO4 + 16 SO2{+} + 8 H2O = 3 Mn2 + 16 SO4 + 16 H{+}
CH3H2COOH + O3 = CO2 + H2O =>
3 CH3H2COOH + 5 O3 = 6 CO2 + 9 H2O
CH4 + H3NSO3 = HOCH2CH2NH2 + H + S + O =>
2 CH4 + H3NSO3 = HOCH2CH2NH2 + 4 H + S + 2 O
CrO3 + I2 = Cr2O3 + I2O7 =>
14 CrO3 + 3 I2 = 7 Cr2O3 + 3 I2O7
AgNO3(aq) + KI(aq) = AgI(s) + KNO3(aq) =>
AgNO3(aq) + KI(aq) = AgI(s) + KNO3(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SO4 + Mg2O = Mg2SO4 + H2O =>
H2SO4 + Mg2O = Mg2SO4 + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Al(OH)3 + H2SO4 = Al + SO4 + H2O =>
2 Al(OH)3 + 3 H2SO4 = 2 Al + 3 SO4 + 6 H2O
Cu + HNO3 = Cu2O5 + NO2 + H2O =>
2 Cu + 10 HNO3 = Cu2O5 + 10 NO2 + 5 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
CrO3 + I2 = Cr2O3 + I2O7 =>
14 CrO3 + 3 I2 = 7 Cr2O3 + 3 I2O7
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
P + HClO3 = HCl + PO4 =>
3 P + 4 HClO3 = 4 HCl + 3 PO4
Hg2O + F2 = HgF2 + O2 =>
2 Hg2O + 4 F2 = 4 HgF2 + O2
Al(NO3)3(aq) + Na2CO3(aq) = Al2(CO3)3(ppt) + NaNO3(aq) =>
2 Al(NO3)3(aq) + 3 Na2CO3(aq) = Al2(CO3)3(ppt) + 6 NaNO3(aq)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KSCN + NaCl = KCl + Na(SCN) =>
KSCN + NaCl = KCl + Na(SCN)
Cd + (NH4)2S = CdS + NH3 + H =>
Cd + (NH4)2S = CdS + 2 NH3 + 2 H
Sr + B = Sr3B2 =>
3 Sr + 2 B = Sr3B2
Li3AsO4 = Li + As + O2 =>
Li3AsO4 = 3 Li + As + 2 O2
H2SO4 + Cs3(PO4)2 = CsSO4 + H3PO4 =>
3 H2SO4 + Cs3(PO4)2 = 3 CsSO4 + 2 H3PO4
H2CO + Ag(NH3)2OH = HCOOH + Ag + NH3 + H2O =>
H2CO + 2 Ag(NH3)2OH = HCOOH + 2 Ag + 4 NH3 + H2O
P4 + Cl2(g) = PCl5 =>
P4 + 10 Cl2(g) = 4 PCl5
NaNO3 + Pb = NaNO2 + PbO =>
NaNO3 + Pb = NaNO2 + PbO
Zn + MnO2 + H2O = Zn(OH)2 + Mn2O3 =>
Zn + 2 MnO2 + H2O = Zn(OH)2 + Mn2O3
C3H9O + Ag(NH3)2OH = C3H9O2N + NH3 + H2O + Ag =>
C3H9O + 5 Ag(NH3)2OH = C3H9O2N + 9 NH3 + 4 H2O + 5 Ag
PbO2 + Mn2{+} + H30{+} = Mn2O3 + Pb2{+} + H2O =>
24 PbO2 + 11 Mn2{+} + H30{+} = 11 Mn2O3 + 12 Pb2{+} + 15 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HgS + HNO3 = H2O + S + Hg(NO3)2 + NO2 =>
HgS + 4 HNO3 = 2 H2O + S + Hg(NO3)2 + 2 NO2
Na + O2 + N = NaNO2 =>
Na + O2 + N = NaNO2
H + CO3 = COH + H2O =>
5 H + CO3 = COH + 2 H2O
(CH3COO)2Ba + CuSO4 = (CH3COO)2Cu + BaSO4 =>
(CH3COO)2Ba + CuSO4 = (CH3COO)2Cu + BaSO4
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Fe + H{+} + ClO4{-} = Fe{+2} + Cl2 + H2O =>
7 Fe + 16 H{+} + 2 ClO4{-} = 7 Fe{+2} + Cl2 + 8 H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
KI + K2Cr2O8 + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
8 KI + K2Cr2O8 + 8 H2SO4 = 4 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
Na + Mn + Te = NaMnTe2 =>
Na + Mn + 2 Te = NaMnTe2
CrO3 + I2 = Cr2O3 + I2O7 =>
14 CrO3 + 3 I2 = 7 Cr2O3 + 3 I2O7
Bi2(SO4)3 + NH4OH = Bi(OH)3 + (NH4)2SO4 =>
Bi2(SO4)3 + 6 NH4OH = 2 Bi(OH)3 + 3(NH4)2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KMnO4(s) + HCl(ac) = KCl(ac) + MnO2(s) + H2O(l) + Cl2(g) =>
2 KMnO4(s) + 8 HCl(ac) = 2 KCl(ac) + 2 MnO2(s) + 4 H2O(l) + 3 Cl2(g)
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