| Équations équilibrées la veille |
*Ca(OH)2 = CaO + H2O
ZnO2 + CO2 = Zn(CO3)2 =>
ZnO2 + 2 CO2 = Zn(CO3)2
HCN + CU(SO4) = H2(SO4) + CU(CN)2 =>
2 HCN + CU(SO4) = H2(SO4) + CU(CN)2
Ca(OH)2 + MgF2 = Mg(OH)2 + CaF2 =>
Ca(OH)2 + MgF2 = Mg(OH)2 + CaF2
NaBr + H2O = Na2O + HBr =>
2 NaBr + H2O = Na2O + 2 HBr
HBr(aq) + Ca(OH)2(aq) = H2O(aq) + CaBr2 =>
2 HBr(aq) + Ca(OH)2(aq) = 2 H2O(aq) + CaBr2
H2SO4 + LiOH + Al(OH)3 = AlLi(SO4)2 + H2O =>
2 H2SO4 + LiOH + Al(OH)3 = AlLi(SO4)2 + 4 H2O
N2O5 + NaOH = NaNO2 + H2O + O2 =>
N2O5 + 2 NaOH = 2 NaNO2 + H2O + O2
K2Cr2O7 + SNCl2 + HCl = CrCl3 + SNCl4 + KCl + H2O =>
K2Cr2O7 + 3 SNCl2 + 14 HCl = 2 CrCl3 + 3 SNCl4 + 2 KCl + 7 H2O
KBrO3 + HCl + Sn2O3 = KCl + HBr + Sn2O5 =>
2 KBrO3 + 2 HCl + 3 Sn2O3 = 2 KCl + 2 HBr + 3 Sn2O5
CrO3 + KI = K3CrO3 + I2 =>
2 CrO3 + 6 KI = 2 K3CrO3 + 3 I2
NaC2H3O2(aq) + Pb(NO3)2(aq) = NaNO3(aq) + Pb(C2H3O2)2(aq) =>
2 NaC2H3O2(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + Pb(C2H3O2)2(aq)
UO2(S) + HF = UF4(S) + H2O =>
UO2(S) + 4 HF = UF4(S) + 2 H2O
MgCl2 + HgSO4 = MgSO4 + HgCl2 =>
MgCl2 + HgSO4 = MgSO4 + HgCl2
LiOH + K = Li + KOH =>
LiOH + K = Li + KOH
C3H6O2 + H2O = CH3OH + CH3COOH =>
C3H6O2 + H2O = CH3OH + CH3COOH
FeCr2O7 + K2CO3 + O3 = Fe2O3 + K2CrO4 + CO2 =>
6 FeCr2O7 + 12 K2CO3 + O3 = 3 Fe2O3 + 12 K2CrO4 + 12 CO2
C + N = CN2 =>
C + 2 N = CN2
K + H2 = KH2 =>
K + H2 = KH2
NaMnO4 + N2O4 + Na2SO4 + H2O = MnSO4 + NaNO3 + H2SO4 =>
2 NaMnO4 + 5 N2O4 + 4 Na2SO4 + 2 H2O = 2 MnSO4 + 10 NaNO3 + 2 H2SO4
Ru + S2 = RuS =>
2 Ru + S2 = 2 RuS
CH2CH2 + MnO4{-} + H2O = C2H4(OH)2 + MnO2 + OH{-} =>
3 CH2CH2 + 2 MnO4{-} + 4 H2O = 3 C2H4(OH)2 + 2 MnO2 + 2 OH{-}
CuSO4* = CuSO4 =>
CuSO4* = CuSO4
BeCl2 + PH3 = BePH3Cl2 =>
BeCl2 + PH3 = BePH3Cl2
C10H25O + O2 = CO2 + H2O =>
4 C10H25O + 63 O2 = 40 CO2 + 50 H2O
K2Cr2O7 + HCl = KCl + CrCl2 + H2O + Cl =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl2 + 7 H2O + 8 Cl
Mg + AsO4 = MgAsO4 =>
Mg + AsO4 = MgAsO4
HCl + HClO3 = HOCl =>
2 HCl + HClO3 = 3 HOCl
Cu(s) + Ni(NO3)2(aq) = Cu(NO3)2 + Ni =>
Cu(s) + Ni(NO3)2(aq) = Cu(NO3)2 + Ni
(CH3)2CHCOOH + Br2 = (CH3)2CBrCOOH + HBr =>
(CH3)2CHCOOH + Br2 = (CH3)2CBrCOOH + HBr
OH{-} + H2O2 + Cr(OH)3 = CrO42{-} + H2O =>
OH{-} + 40 H2O2 + Cr(OH)3 = CrO42{-} + 42 H2O
CO + NH3 + C6H6 = CH3CONHC6H4OH =>
2 CO + NH3 + C6H6 = CH3CONHC6H4OH
NaHCO3 + Fe(OH)2 + H2O = Na + Fe(OH)3 + H2CO3 =>
NaHCO3 + Fe(OH)2 + H2O = Na + Fe(OH)3 + H2CO3
Ca(NO3)2 + SiO2 = NO2 + O2 + CaSiO3 =>
2 Ca(NO3)2 + 2 SiO2 = 4 NO2 + O2 + 2 CaSiO3
LiF + H2PO4 = Li2PO4 + HF =>
2 LiF + H2PO4 = Li2PO4 + 2 HF
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
CrCl3 + NaI = CrCl + I2 + NaCl =>
CrCl3 + 2 NaI = CrCl + I2 + 2 NaCl
Fe2O(s) = Fe(s) + O2(g) =>
2 Fe2O(s) = 4 Fe(s) + O2(g)
S + Br{-} = S2{-} + Br2 =>
4 S + 2 Br{-} = 2 S2{-} + Br2
Na + H2O = Na2O + H2 =>
2 Na + H2O = Na2O + H2
Am2O3 + H2O = Am(OH)3 =>
Am2O3 + 3 H2O = 2 Am(OH)3
C15H24O + O2 = H2O + CO2 =>
2 C15H24O + 41 O2 = 24 H2O + 30 CO2
HN + O = HO + NO =>
HN + 2 O = HO + NO
Cr2O72{-} + S2{-} + H{+} = Cr3{+} + S + H2O =>
3 Cr2O72{-} + 427 S2{-} + 432 H{+} = 2 Cr3{+} + 854 S + 216 H2O
FeSO4 + NaOH + NaClO3 = NaFeO4 + NaCl + Na2SO4 + H2O =>
6 FeSO4 + 18 NaOH + 5 NaClO3 = 6 NaFeO4 + 5 NaCl + 6 Na2SO4 + 9 H2O
FeSO4*(NH4)2SO4* + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + (NH4)2SO4 + K2SO4 + H2O =>
6 FeSO4*(NH4)2SO4* + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 6(NH4)2SO4 + K2SO4 + 7 H2O
LiClO3(s) = LiCl(s) + O2(g) =>
2 LiClO3(s) = 2 LiCl(s) + 3 O2(g)
CeO4 + F2 = CeF + O =>
2 CeO4 + F2 = 2 CeF + 8 O
Am + Cl2 = AmCl3 =>
2 Am + 3 Cl2 = 2 AmCl3
PbSO4(l) + K2CrO4(l) = PbCrO4(s) + K2SO4(aq) =>
PbSO4(l) + K2CrO4(l) = PbCrO4(s) + K2SO4(aq)
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