| Équations équilibrées la veille |
3 HClO3 = 2 ClO2 + HClO4 + H2O
K(MnO4) = K2O + MnO2 + O2 =>
4 K(MnO4) = 2 K2O + 4 MnO2 + 3 O2
NaAl(OH)4 + H2SO4 = NaOH + H2O + Al2(SO4)3 =>
2 NaAl(OH)4 + 3 H2SO4 = 2 NaOH + 6 H2O + Al2(SO4)3
NaClO + KBr + H2O = Br2 + NaCl + KOH =>
NaClO + 2 KBr + H2O = Br2 + NaCl + 2 KOH
Na3PO4 + KCI = NaCI + K3PO4 =>
Na3PO4 + 3 KCI = 3 NaCI + K3PO4
Mn3 + O2 = MnO =>
2 Mn3 + 3 O2 = 6 MnO
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
AgNO3 + K3Fe(CN)6 = Ag3[Fe(CN)6] + KNO3 =>
3 AgNO3 + K3Fe(CN)6 = Ag3[Fe(CN)6] + 3 KNO3
CrCl2 + H2O + Na(CH3CO2) = Cr2(CH3CO2)4(H2O)2 + NaCl =>
2 CrCl2 + 2 H2O + 4 Na(CH3CO2) = Cr2(CH3CO2)4(H2O)2 + 4 NaCl
HCIO3 + RbOH = RbCIO3 + H2O =>
HCIO3 + RbOH = RbCIO3 + H2O
Al + Br2 = Al2Br6 =>
2 Al + 3 Br2 = Al2Br6
Fe(OH)2 = Fe2O3 + H2O + Fe =>
3 Fe(OH)2 = Fe2O3 + 3 H2O + Fe
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
H2NN(CH3)2 + N2O4 = N2 + CO2 + H2O =>
H2NN(CH3)2 + 2 N2O4 = 3 N2 + 2 CO2 + 4 H2O
CH3CHCHCH3 + H2O = CH3CH2CHOHCH3 =>
CH3CHCHCH3 + H2O = CH3CH2CHOHCH3
CuSO4 + Zn = Cu2 + Zn(SO4)2 =>
2 CuSO4 + Zn = Cu2 + Zn(SO4)2
Zn + FeCl3 = Zn(Cl3)2 + Fe =>
Zn + 2 FeCl3 = Zn(Cl3)2 + 2 Fe
KF + H2O = HF + KOH =>
KF + H2O = HF + KOH
Na3[Co(NO2)6] + BaCl2 = Ba3[Co(NO2)6]2 + NaCl =>
2 Na3[Co(NO2)6] + 3 BaCl2 = Ba3[Co(NO2)6]2 + 6 NaCl
Ni(NO3)2 + EDTA = [Ni(EDTA)] + NO3 =>
Ni(NO3)2 + EDTA = [Ni(EDTA)] + 2 NO3
Pb(NO3)2 + K2Cr2O7 + H2O = KNO3 + PbCrO4 + HNO3 =>
2 Pb(NO3)2 + K2Cr2O7 + H2O = 2 KNO3 + 2 PbCrO4 + 2 HNO3
Co(NO3)2 = Co2O3 + NO + O2 =>
4 Co(NO3)2 = 2 Co2O3 + 8 NO + 5 O2
KBr + AgNO3 + HNO3 = K(NO3)2 + AgBr + H2 =>
2 KBr + 2 AgNO3 + 2 HNO3 = 2 K(NO3)2 + 2 AgBr + H2
Cu(OH)2 + Zn = CuO + Zn(OH)2 + H2 =>
2 Cu(OH)2 + Zn = 2 CuO + Zn(OH)2 + H2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
AgNo3 + KSCN = AgSCN + KNo3 =>
AgNo3 + KSCN = AgSCN + KNo3
GaBr + O2 = Br2 + Ga2O3 =>
4 GaBr + 3 O2 = 2 Br2 + 2 Ga2O3
HI + Cl2 + H2O = HIO3 + HCl =>
HI + 3 Cl2 + 3 H2O = HIO3 + 6 HCl
V2O5 + H{+} + Cl{-} = V3{+} + Cl2 + H2O =>
3 V2O5 + 30 H{+} + 28 Cl{-} = 2 V3{+} + 14 Cl2 + 15 H2O
FeSiO3 + NaOH = Fe(OH)2 + Na2SiO3 =>
FeSiO3 + 2 NaOH = Fe(OH)2 + Na2SiO3
Na2S2O3 + HCl = NaCl + S + SO2 + H =>
2 Na2S2O3 + 4 HCl = 4 NaCl + S + 3 SO2 + 4 H
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
LiOH + Ca = Li + CaOH =>
LiOH + Ca = Li + CaOH
(CH3)2NH2 + NaNO2 + HCl = CH3OH + N2 + NaCl + H2O =>
6(CH3)2NH2 + 8 NaNO2 + 8 HCl = 12 CH3OH + 7 N2 + 8 NaCl + 4 H2O
H2S + Pb(NO3)2 = PbS + HNO3 =>
H2S + Pb(NO3)2 = PbS + 2 HNO3
Cu(OH)2 + H(C2H3O2) = Cu(C2H3O2)2 + H2O =>
Cu(OH)2 + 2 H(C2H3O2) = Cu(C2H3O2)2 + 2 H2O
Co(C2H3O2)2(aq) + Na2S(aq) = CoS(s) + NaC2H3O2(aq) =>
Co(C2H3O2)2(aq) + Na2S(aq) = CoS(s) + 2 NaC2H3O2(aq)
B + K(OH) = K3BO3 + H2 =>
2 B + 6 K(OH) = 2 K3BO3 + 3 H2
H2SO4 + Mg2O2 = MgSO4 + H2O =>
2 H2SO4 + Mg2O2 = 2 MgSO4 + 2 H2O
H2SO3 + OH{-} = SO3{-2} + H2O =>
H2SO3 + 2 OH{-} = SO3{-2} + 2 H2O
TiSO4 + H2O2 + H2SO4 = H2[Ti(SO4)2O2] + H2O =>
TiSO4 + 2 H2O2 + H2SO4 = H2[Ti(SO4)2O2] + 2 H2O
KCO3(s) + HCl(aq) = KCl2(aq) + H2O(l) + CO2(g) =>
KCO3(s) + 2 HCl(aq) = KCl2(aq) + H2O(l) + CO2(g)
H4As2O7 + W(OH)6 = W2(As2O7)3 + H2O =>
3 H4As2O7 + 2 W(OH)6 = W2(As2O7)3 + 12 H2O
BF3 + H2O = B2O3 + HF =>
2 BF3 + 3 H2O = B2O3 + 6 HF
Al2O3(S) + H2SO4(l) = Al2(SO4)3(S) + H2O(l) =>
Al2O3(S) + 3 H2SO4(l) = Al2(SO4)3(S) + 3 H2O(l)
Na2O + Cl = O2 + NaCl =>
2 Na2O + 4 Cl = O2 + 4 NaCl
CH2OHCHOHCOH + Ag2O(NH4OH) = CH2OHCHOHCOOH + Ag + NH3 + H2O =>
CH2OHCHOHCOH + Ag2O(NH4OH) = CH2OHCHOHCOOH + 2 Ag + NH3 + H2O
KH2PO4 + NaOH = H2O + KOH + Na2HPO4 =>
KH2PO4 + 2 NaOH = H2O + KOH + Na2HPO4
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