| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Sr + 2 NaOH + 2 H2O = 3 H2 + 2 NaSrO2
K2CrO4 + Zn + KOH + H2O = K2[Zn(OH)4] + K3[Cr(OH)6] =>
2 K2CrO4 + 3 Zn + 8 KOH + 8 H2O = 3 K2[Zn(OH)4] + 2 K3[Cr(OH)6]
Ca5(PO4)3F = CaO + P2O5 + CaF2 =>
2 Ca5(PO4)3F = 9 CaO + 3 P2O5 + CaF2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C6H4(OH)COOH + CH3OH = C8H8O3 + H2O =>
C6H4(OH)COOH + CH3OH = C8H8O3 + H2O
NO2 + C3H8 = CO2 + H2O + N2 =>
10 NO2 + 2 C3H8 = 6 CO2 + 8 H2O + 5 N2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HC + KOH = KC + H2O =>
HC + KOH = KC + H2O
CO2 + NH3 = NH4H2NCO2 =>
CO2 + 2 NH3 = NH4H2NCO2
Cu + NaOH = CuO + Na + H2 =>
2 Cu + 2 NaOH = 2 CuO + 2 Na + H2
C2H4 + H3NO3S = (NH2)2CO + SO2 + H + O =>
C2H4 + 4 H3NO3S = 2(NH2)2CO + 4 SO2 + 8 H + 2 O
C6H5COOH + CH3CH2OH = C6H5COOCH2CH3 + H2O =>
C6H5COOH + CH3CH2OH = C6H5COOCH2CH3 + H2O
C11H24(l) + O2 = CO2 + H2O =>
C11H24(l) + 17 O2 = 11 CO2 + 12 H2O
HNO3 + P4O10 = N2O5 + H3PO4 =>
12 HNO3 + P4O10 = 6 N2O5 + 4 H3PO4
(NH4)2Fe(SO4)2(H2O)6 + KMnO4 + H2SO4 = (NH4)Fe(SO4)2(H2O)5 + K2SO4 + MnSO4 + (NH4)2SO4 + H2O =>
10(NH4)2Fe(SO4)2(H2O)6 + 2 KMnO4 + 8 H2SO4 = 10(NH4)Fe(SO4)2(H2O)5 + K2SO4 + 2 MnSO4 + 5(NH4)2SO4 + 18 H2O
H2O + KCl = HCl + KOH = H2O + KCl = HCl + KOH = H2O + KCl =>
H2O + KCl = HCl + KOH
Al2O3 + CO2 = Al2(CO3)3 =>
Al2O3 + 3 CO2 = Al2(CO3)3
CH3CH2COOH + C3H7OH = HCOOC3H7 + H2O =>
3 CH3CH2COOH + C3H7OH = 3 HCOOC3H7 + H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
(NH4OH) + (FeCl3) = (Fe(OH)3) + (NH4Cl) =>
3(NH4OH) + (FeCl3) = (Fe(OH)3) + 3(NH4Cl)
Na2S + O2 = Na2O + S =>
2 Na2S + O2 = 2 Na2O + 2 S
AgNO2 = Ag + NO2 =>
AgNO2 = Ag + NO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
HCrO2 + NaOH = NaCrO2 + H2O =>
HCrO2 + NaOH = NaCrO2 + H2O
Na2PO4 + BaCl2 = BaPO4 + NaCl =>
Na2PO4 + BaCl2 = BaPO4 + 2 NaCl
Al(OH)3 + H2O = Al(H2O)2(OH)4 + H3O =>
Al(OH)3 + 4 H2O = Al(H2O)2(OH)4 + H3O
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
CoCl3(aq) + AgNO3(aq) = AgCl + Co(NO3)3 =>
CoCl3(aq) + 3 AgNO3(aq) = 3 AgCl + Co(NO3)3
FeBr3 + H2O = H2 + Br2 + Fe(OH)3 =>
2 FeBr3 + 6 H2O = 3 H2 + 3 Br2 + 2 Fe(OH)3
NaCN + Fe(OH)2 = NaOH + Na4Fe(CN)6 =>
6 NaCN + Fe(OH)2 = 2 NaOH + Na4Fe(CN)6
(NH4)2Fe(SO4)2(H2O)6 + KMnO4 + H2SO4 = (NH4)Fe(SO4)2(H2O)6 + K2SO4 + MnSO4 + (NH4)2SO4 + H2O =>
10(NH4)2Fe(SO4)2(H2O)6 + 2 KMnO4 + 8 H2SO4 = 10(NH4)Fe(SO4)2(H2O)6 + K2SO4 + 2 MnSO4 + 5(NH4)2SO4 + 8 H2O
AlP = Al3 + P =>
3 AlP = Al3 + 3 P
S2Cl2 + CCl4 = CS2 + Cl2 =>
S2Cl2 + CCl4 = CS2 + 3 Cl2
PH3(g) = P(g) + H2(g) =>
2 PH3(g) = 2 P(g) + 3 H2(g)
K2(CO3) + HNO3 = KNO3 + CO2 + H2O =>
K2(CO3) + 2 HNO3 = 2 KNO3 + CO2 + H2O
Sc2O3(s) + H2O(l) = Sc(OH)3(s) =>
Sc2O3(s) + 3 H2O(l) = 2 Sc(OH)3(s)
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
N2O4(l) + N2H4(g) = N2(g) + H2O(g) =>
N2O4(l) + 2 N2H4(g) = 3 N2(g) + 4 H2O(g)
FeCl2 + NH3 + H2O = (Fe(OH)2) + NH4Cl =>
FeCl2 + 2 NH3 + 2 H2O = (Fe(OH)2) + 2 NH4Cl
H2SO4 + HKO = K2SO4 + H2O =>
H2SO4 + 2 HKO = K2SO4 + 2 H2O
MgCO3(s) = Mg(s) + C(s) + O2(s) =>
2 MgCO3(s) = 2 Mg(s) + 2 C(s) + 3 O2(s)
H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O + O3 =>
4 H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + 4 H2O + O3
H2CrO4 + Fe = FeCrO4 + H2 =>
H2CrO4 + Fe = FeCrO4 + H2
Sr(Cl)2 + O2 = Sr(ClO3)2 =>
Sr(Cl)2 + 3 O2 = Sr(ClO3)2
C6H5NO2 + O2 = N2 + CO2 + H2O =>
4 C6H5NO2 + 25 O2 = 2 N2 + 24 CO2 + 10 H2O
calcium + potassiumhydroxide = calciumhydroxide + potassium =>
Ca + 2 KOH = Ca(OH)2 + 2 K
NaHC8H4O4 + NaOH = H2O + Na2C8H4O4 =>
NaHC8H4O4 + NaOH = H2O + Na2C8H4O4
NaCl + BeF2 = NaF + BeCl2 =>
2 NaCl + BeF2 = 2 NaF + BeCl2
C4H9COH + Cu(OH)2 = C4H9COOH + Cu2O + H2O =>
C4H9COH + 2 Cu(OH)2 = C4H9COOH + Cu2O + 2 H2O
FeO + KHCl = KCl + FeHO =>
FeO + KHCl = KCl + FeHO
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