| Équations équilibrées la veille |
4 P + 5 O2 = 2 P2O5
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
C2H4O2 + Al(OH)3 = H2O + C6H9AlO6 =>
3 C2H4O2 + Al(OH)3 = 3 H2O + C6H9AlO6
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Al3 + H1 = H3Al =>
Al3 + 9 H1 = 3 H3Al
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
MnCl2 + HNO3 + PbO2 = HMnO4 + PbCl2 + Pb(NO3)2 + H2O =>
2 MnCl2 + 6 HNO3 + 5 PbO2 = 2 HMnO4 + 2 PbCl2 + 3 Pb(NO3)2 + 2 H2O
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
MgO2H2 + C2H4O2 = H2O + MgC4H6O4 =>
MgO2H2 + 2 C2H4O2 = 2 H2O + MgC4H6O4
K2S + HCl = K2ClHS =>
K2S + HCl = K2ClHS
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
H2SO4 + KCr2O7 + P4 = P2O3 + Cr2(SO4)3 + K2SO4 + H2O =>
42 H2SO4 + 12 KCr2O7 + 7 P4 = 14 P2O3 + 12 Cr2(SO4)3 + 6 K2SO4 + 42 H2O
H2O(l) + CO2(g) = C6H5CH3(l) + O2(g) =>
4 H2O(l) + 7 CO2(g) = C6H5CH3(l) + 9 O2(g)
H2SO4 + CH3COOAg = CH3COOH + Ag2SO4 =>
H2SO4 + 2 CH3COOAg = 2 CH3COOH + Ag2SO4
NaOCl + As = NaAs + Cl2 + O2 =>
2 NaOCl + 2 As = 2 NaAs + Cl2 + O2
Fe(s) + CaCo3(aq) = Fe2(Co3)3 + Ca(s) =>
2 Fe(s) + 3 CaCo3(aq) = Fe2(Co3)3 + 3 Ca(s)
Sb(NO3)3 + H2S = Sb2S3 + HNO3 =>
2 Sb(NO3)3 + 3 H2S = Sb2S3 + 6 HNO3
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
K2Cr2O7 + H2S = Cr2O3 + KOH + SO2 =>
K2Cr2O7 + H2S = Cr2O3 + 2 KOH + SO2
hydrogen + copper(ii)oxide = copper + water =>
H2 + CuO = Cu + H2O
XeFe6 = Fe + Xe =>
XeFe6 = 6 Fe + Xe
Rb(s) + H2O(l) = Rb2O(s) + H2(g) =>
2 Rb(s) + H2O(l) = Rb2O(s) + H2(g)
Zn3Be1 + H2O = Zn2(OH)2 + Be1H3 =>
2 Zn3Be1 + 6 H2O = 3 Zn2(OH)2 + 2 Be1H3
NH4OH + Fe = FeOH + NH4 =>
NH4OH + Fe = FeOH + NH4
CuNO3(aq) + K2S(aq) = Cu2S(s) + KNO3(aq) =>
2 CuNO3(aq) + K2S(aq) = Cu2S(s) + 2 KNO3(aq)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C9H13N + H2SO4 = (C9H13N)H2SO4 =>
C9H13N + H2SO4 = (C9H13N)H2SO4
C6H8O7 + K2CO3 = C6H5O7K3 + CO2 + H2O =>
2 C6H8O7 + 3 K2CO3 = 2 C6H5O7K3 + 3 CO2 + 3 H2O
Mg2OH2O = MgOH =>
Mg2OH2O = 2 MgOH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
AgNO3 + FeI2 = AgI + Fe(NO3)2 =>
2 AgNO3 + FeI2 = 2 AgI + Fe(NO3)2
(NH4)2CO3(s) = NH3(g) + CO2(s) + H2O(aq) =>
(NH4)2CO3(s) = 2 NH3(g) + CO2(s) + H2O(aq)
Cr(s) + Al2O3(s) = Cr2O3(s) + Al(s) =>
2 Cr(s) + Al2O3(s) = Cr2O3(s) + 2 Al(s)
Mg(OH)2 + HCl = MgCl2(aq) + H2O(l) =>
Mg(OH)2 + 2 HCl = MgCl2(aq) + 2 H2O(l)
Zn + H2SO4 = ZnSO4 + H2SS + H2O =>
7 Zn + 9 H2SO4 = 7 ZnSO4 + H2SS + 8 H2O
CH3CHMgBrCH3 + CO2 + H2O = CH3(CH2)2COOH + HOMgBr =>
CH3CHMgBrCH3 + CO2 + H2O = CH3(CH2)2COOH + HOMgBr
Cr(s) + Fe(NO3)2(at) = Fe(s) + Cr(NO3)3(away) =>
2 Cr(s) + 3 Fe(NO3)2(at) = 3 Fe(s) + 2 Cr(NO3)3(away)
FeSO4 + NaCl = FeCl2 + (Na)2SO4 =>
FeSO4 + 2 NaCl = FeCl2 + (Na)2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C3H6O3 + O2 = CO2 + H2O =>
C3H6O3 + 3 O2 = 3 CO2 + 3 H2O
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