| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cl + KBr = ClBr + K
P4O10(s) + H2O(l) = H3PO4(was) =>
P4O10(s) + 6 H2O(l) = 4 H3PO4(was)
KCl + K2SO3 + Br2 + H2O = K2SO4 + KBr + HCl =>
2 KCl + K2SO3 + Br2 + H2O = K2SO4 + 2 KBr + 2 HCl
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
NaHSO3(s) = Na2SO3(s)SO2(g)H2O(l) =>
2 NaHSO3(s) = Na2SO3(s)SO2(g)H2O(l)
ZnSO4 + NH3*H2O = Zn(OH)2 + (NH4)2SO4 =>
ZnSO4 + 2 NH3*H2O = Zn(OH)2 + (NH4)2SO4
CaOSO3 = CaSO4 =>
CaOSO3 = CaSO4
B + K + N + O3 = BKNO3 =>
B + K + N + O3 = BKNO3
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
MnO4{-} + H{+} + Ce{3+} = Mn{+2} + H2O + Ce{+4} =>
MnO4{-} + 8 H{+} + 5 Ce{3+} = Mn{+2} + 4 H2O + 5 Ce{+4}
PCl5 + H2O = HCl + P(OH)5 =>
PCl5 + 5 H2O = 5 HCl + P(OH)5
(C5H2)2Fe + C2H6O + I2 = I(C5H2)2 + FeC2H6O =>
2(C5H2)2Fe + 2 C2H6O + I2 = 2 I(C5H2)2 + 2 FeC2H6O
Ba(NO3)2(aq) + NaOH(aq) = Ba(OH)2(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + 2 NaOH(aq) = Ba(OH)2(s) + 2 NaNO3(aq)
C57H104O6 + CHOH = CH3(CH2)COOCH + C3H8O3 =>
2 C57H104O6 + 213 CHOH = 51 CH3(CH2)COOCH + 41 C3H8O3
NaCl + K2NO3 = KCl + Na2NO3 =>
2 NaCl + K2NO3 = 2 KCl + Na2NO3
Na3PO4(aq) + MgCl2 = Mg3(PO4)2(s) + NaCl(aq) =>
2 Na3PO4(aq) + 3 MgCl2 = Mg3(PO4)2(s) + 6 NaCl(aq)
P2O5 + Ca(OH)2 = P(OH)5 + CaO =>
P2O5 + 5 Ca(OH)2 = 2 P(OH)5 + 5 CaO
CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2O + CO2 =>
CH3CH2COOH + NaHCO3 = CH3CH2COONa + H2O + CO2
FeSO4 + K2Cr2O7 + H2SO4 = Fe(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 FeSO4 + 2 K2Cr2O7 + 14 H2SO4 = 3 Fe(SO4)3 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
H + P4 + NO3 = H3PO4 + NO =>
12 H + P4 + 8 NO3 = 4 H3PO4 + 8 NO
ZnCl2 + AgSO4 = AgCl + Zn(SO4)2 =>
ZnCl2 + 2 AgSO4 = 2 AgCl + Zn(SO4)2
N2H4O3 = N2O + H2O =>
N2H4O3 = N2O + 2 H2O
S + HNO3 = SO2 + H2O + NO =>
3 S + 4 HNO3 = 3 SO2 + 2 H2O + 4 NO
NH4I + NaOH = H5NO + NaI =>
NH4I + NaOH = H5NO + NaI
NaOH + CuSO4 = Na2SO4 + Cu(OH)2 =>
2 NaOH + CuSO4 = Na2SO4 + Cu(OH)2
NH4Cl + NaOH = NH4OH + NaCl =>
NH4Cl + NaOH = NH4OH + NaCl
CH4 + NaNO2 = CH4NO2 + Na =>
CH4 + NaNO2 = CH4NO2 + Na
HClO4(aq) + Li2SO3(aq) = LiClO4(aq) + H2O(l) + SO2(g) =>
2 HClO4(aq) + Li2SO3(aq) = 2 LiClO4(aq) + H2O(l) + SO2(g)
MnTe + In2Te3 + Bi + Te = Mn10In16Bi4Te40 =>
10 MnTe + 8 In2Te3 + 4 Bi + 6 Te = Mn10In16Bi4Te40
C5H11NNH4SCN = C5H12NSCNNH3 =>
C5H11NNH4SCN = C5H12NSCNNH3
MgO + MgCl2 + H2O = MgOMgCl2H2O =>
MgO + MgCl2 + H2O = MgOMgCl2H2O
KMnO4 + NaI + H2SO4 = I2 + MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 10 NaI + 8 H2SO4 = 5 I2 + 2 MnSO4 + 5 Na2SO4 + K2SO4 + 8 H2O
KHP = HPK =>
KHP = HPK
K2SiO3(aq) + H2SO4(aq) = K2SO4 + H2SiO3 =>
K2SiO3(aq) + H2SO4(aq) = K2SO4 + H2SiO3
CH3CH2OH + H2O = CH3COOH + H{+} + e =>
CH3CH2OH + H2O = CH3COOH + 4 H{+} + 4e
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
SiCl4(l) + H2O(l) = SiO2(s) + HCl(ap) =>
SiCl4(l) + 2 H2O(l) = SiO2(s) + 4 HCl(ap)
CaBr2 + NiSO4 = CaSO4 + NiBr2 =>
CaBr2 + NiSO4 = CaSO4 + NiBr2
As + HNO3 = As(NO3)3 + H2O + NO =>
As + 4 HNO3 = As(NO3)3 + 2 H2O + NO
NH4NO3 + KOH = KNO3 + NH3 + H2O =>
NH4NO3 + KOH = KNO3 + NH3 + H2O
As + HNO3 = As(NO3)3 + H2O + NO =>
As + 4 HNO3 = As(NO3)3 + 2 H2O + NO
(NH4)2SO4(aq) + Na2CO3(aq) = (NH4)2CO3(aq) + Na2SO4(aq) =>
(NH4)2SO4(aq) + Na2CO3(aq) = (NH4)2CO3(aq) + Na2SO4(aq)
HNO2 + K2CO3 = KNO2 + H2O + CO2 =>
2 HNO2 + K2CO3 = 2 KNO2 + H2O + CO2
Fe2(CO3)3 + C2H4O2 = Fe(C2H3O2)3 + CO2 + H2O =>
Fe2(CO3)3 + 6 C2H4O2 = 2 Fe(C2H3O2)3 + 3 CO2 + 3 H2O
BaSO4 + H2SO4 = BaSO3 + H2O + SO4 =>
BaSO4 + H2SO4 = BaSO3 + H2O + SO4
Sn + Ni2(CO3)3 = Sn(CO3)2 + Ni =>
3 Sn + 2 Ni2(CO3)3 = 3 Sn(CO3)2 + 4 Ni
C5H12 + HNO3 = C5H11NO2 + H2O =>
C5H12 + HNO3 = C5H11NO2 + H2O
KNCO3 + HNO3 = KNO2 + CO2 + HN =>
3 KNCO3 + HNO3 = 3 KNO2 + 3 CO2 + HN
CaCl + NaPO4 = CaPO4 + ClNa =>
CaCl + NaPO4 = CaPO4 + ClNa
CN{-} + Cu{2+} = CuCN + (CN)2 =>
4 CN{-} + 2 Cu{2+} = 2 CuCN + (CN)2
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