| Équations équilibrées la veille |
H3PO4 + 2 NH3 = (NH4)2HPO4
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
HCl + Na2C2O4 = H2C2O4 + NaCl =>
2 HCl + Na2C2O4 = H2C2O4 + 2 NaCl
C20H42(s) + O2(g) = CO2(g) + H2O(g) =>
2 C20H42(s) + 61 O2(g) = 40 CO2(g) + 42 H2O(g)
HY + SO2 = Y + S + H2O =>
4 HY + SO2 = 4 Y + S + 2 H2O
Al(s) + CuCl(aq) = AlCu + Cl2 =>
2 Al(s) + 2 CuCl(aq) = 2 AlCu + Cl2
NaBH3(s) + HCl(aq) + H2O(l) = NaCl(aq) + H3BO3(aq) + H2(g) =>
2 NaBH3(s) + 2 HCl(aq) + 6 H2O(l) = 2 NaCl(aq) + 2 H3BO3(aq) + 7 H2(g)
K2Cr2O7 = Cr2O3 + O2 + K2CrO4 =>
4 K2Cr2O7 = 2 Cr2O3 + 3 O2 + 4 K2CrO4
Na2CO3 + H2O = NaOH + H2CO3 =>
Na2CO3 + 2 H2O = 2 NaOH + H2CO3
Zn(s) + CuSo4(aq) = Cu(s) + ZnSo4(aq) =>
Zn(s) + CuSo4(aq) = Cu(s) + ZnSo4(aq)
H2S + HSO4 = H2O + SO2 =>
H2S + 2 HSO4 = 2 H2O + 3 SO2
Fe(s) + CuSO4(ac) = Fe(SO4)(ac) + Cu(s) =>
Fe(s) + CuSO4(ac) = Fe(SO4)(ac) + Cu(s)
HCN + NH3 = HN + H3CN =>
HCN + NH3 = HN + H3CN
Zn + N + O = Zn(NO3)2 =>
Zn + 2 N + 6 O = Zn(NO3)2
NaBr(s) + KCl(s) = NaCl(s) + KBr(s) =>
NaBr(s) + KCl(s) = NaCl(s) + KBr(s)
Co2 + AlH = CoH2 + Al =>
Co2 + 4 AlH = 2 CoH2 + 4 Al
NaBr + PdNO3 = NaNO3 + BrPd =>
NaBr + PdNO3 = NaNO3 + BrPd
Ag2S + O2 = Ag2O + SO3 =>
Ag2S + 2 O2 = Ag2O + SO3
Al(NO3)3 + NaHCO3 = Al(OH)3 + NaNO3 + CO2 =>
Al(NO3)3 + 3 NaHCO3 = Al(OH)3 + 3 NaNO3 + 3 CO2
H3PO3 + KOH = H2O + K3(PO3) =>
H3PO3 + 3 KOH = 3 H2O + K3(PO3)
C2H5OH + Cr2O7 = HC2H3O2 + Cr + H2O =>
7 C2H5OH + 2 Cr2O7 = 7 HC2H3O2 + 4 Cr + 7 H2O
[Cu(NH3)4]SO4 + HCl = NH4Cl + CuCl2 + (NH4)2SO4 =>
[Cu(NH3)4]SO4 + 4 HCl = 2 NH4Cl + CuCl2 + (NH4)2SO4
Ni2O(s) + CO(g) = Ni(s) + CO2(g) =>
Ni2O(s) + CO(g) = 2 Ni(s) + CO2(g)
As(HCO3)3 = As2O3 + CO2 + H2O =>
2 As(HCO3)3 = As2O3 + 6 CO2 + 3 H2O
SrCO3 = Sr2 + (CO3)2 =>
2 SrCO3 = Sr2 + (CO3)2
NaBr + H2SO4 = Na2SO4 + SO2 + H2O + Br2 =>
2 NaBr + 2 H2SO4 = Na2SO4 + SO2 + 2 H2O + Br2
CH3CH2Br + NaOH = CH3CH2OH + NaBr =>
CH3CH2Br + NaOH = CH3CH2OH + NaBr
Zn + HCl = ClZnCl + H =>
Zn + 2 HCl = ClZnCl + 2 H
Co(C2H3O2)2 + Na3PO4 = Co3(PO4)2 + Na(C2H3O2) =>
3 Co(C2H3O2)2 + 2 Na3PO4 = Co3(PO4)2 + 6 Na(C2H3O2)
LiAsO4 = LiAs + O2 =>
LiAsO4 = LiAs + 2 O2
Ba(OH)2 + H3PO4 = [Ba(OH)]3PO4 + H2O =>
3 Ba(OH)2 + H3PO4 = [Ba(OH)]3PO4 + 3 H2O
C17H18FN3O3 + H2O2 = CO2 + H2O + HF + NO3 =>
2 C17H18FN3O3 + 97 H2O2 = 34 CO2 + 114 H2O + 2 HF + 6 NO3
Zn(cr) + HCl(aq) = ZnCl2(aq) + H2(q) =>
Zn(cr) + 2 HCl(aq) = ZnCl2(aq) + H2(q)
BaI2 + KCl = BaCl2 + KI =>
BaI2 + 2 KCl = BaCl2 + 2 KI
PbO2 + SO4 + H2 = PbSO4 + H2O =>
PbO2 + SO4 + 2 H2 = PbSO4 + 2 H2O
Cl + MgI2 = MgCl2 + I2 =>
2 Cl + MgI2 = MgCl2 + I2
Zn(NO3)2(aq) + K3PO4(aq) = Zn3(PO4)2(s) + KNO3(aq) =>
3 Zn(NO3)2(aq) + 2 K3PO4(aq) = Zn3(PO4)2(s) + 6 KNO3(aq)
In + Se = In2Se3 =>
2 In + 3 Se = In2Se3
Na2S = Na + S8 =>
8 Na2S = 16 Na + S8
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
PbO3O4 = PbO + O2 =>
PbO3O4 = PbO + 3 O2
CaO + HBrO4 = Ca(BrO4)2 + H2O =>
CaO + 2 HBrO4 = Ca(BrO4)2 + H2O
ZnCo3 + HCl = ZnCl2 + H2Co3 =>
ZnCo3 + 2 HCl = ZnCl2 + H2Co3
Hg + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg + 8 HNO3 = 3 Hg(NO3)2 + 2 NO + 4 H2O
HCOOH + (Ag(NH3)2)OH = CO2 + Ag + NH3 + H2O =>
HCOOH + 2(Ag(NH3)2)OH = CO2 + 2 Ag + 4 NH3 + 2 H2O
Li3PO4 + Ca(SCN)2 = Ca3(PO4)2 + LiSCN =>
2 Li3PO4 + 3 Ca(SCN)2 = Ca3(PO4)2 + 6 LiSCN
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MnO4 + H = MnO2 + OH =>
MnO4 + 2 H = MnO2 + 2 OH
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Y(NO3)3 + H2C2O4 = Y2(C2O4)3 + HNO3 =>
2 Y(NO3)3 + 3 H2C2O4 = Y2(C2O4)3 + 6 HNO3
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Équations équilibrées sur11/22/24
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