| Équations équilibrées la veille |
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb0
H2Cr2O7 + Ni(OH)3 = Ni2(Cr2O7)3 + H2O =>
3 H2Cr2O7 + 2 Ni(OH)3 = Ni2(Cr2O7)3 + 6 H2O
Co(SO4) + KI + K(IO3) + H2O = Co(OH)2 + K2(SO4) + I2 =>
3 Co(SO4) + 5 KI + K(IO3) + 3 H2O = 3 Co(OH)2 + 3 K2(SO4) + 3 I2
H2NC6H4OH + CH3COOH = C8H9NO2 + H2O =>
H2NC6H4OH + CH3COOH = C8H9NO2 + H2O
MgS + H2O = Mg(OH)2 + H2S =>
MgS + 2 H2O = Mg(OH)2 + H2S
FeS2 + HNO3 = Fe2(SO4)3 + H2SO4 + NO2 + H2O =>
2 FeS2 + 30 HNO3 = Fe2(SO4)3 + H2SO4 + 30 NO2 + 14 H2O
C10H14ClN + NaBH4 + H2O = NaBO2 + C10H16NCl =>
4 C10H14ClN + NaBH4 + 2 H2O = NaBO2 + 4 C10H16NCl
PbO2 + Mg = PbMg + O2 =>
PbO2 + Mg = PbMg + O2
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
Na2S2O3 + CaCO3 = Na2CO3 + CO2 + SO2 + Ca =>
Na2S2O3 + 2 CaCO3 = Na2CO3 + CO2 + 2 SO2 + 2 Ca
H2C2O4 + MnO4{-} + H{+} = Mn2{+} + CO2 + H2O =>
13 H2C2O4 + 4 MnO4{-} + 6 H{+} = 2 Mn2{+} + 26 CO2 + 16 H2O
NH3 + CH3COOH = CH3COOHNH3 =>
NH3 + CH3COOH = CH3COOHNH3
Zn(NO3)2 + NaOH(aq) = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH(aq) = Zn(OH)2 + 2 NaNO3
H2SO4 + CH2COO = C2H4 + SO4 + O2 =>
H2SO4 + CH2COO = C2H4 + SO4 + O2
Pb3O4 + KI + H2SO4 = PbSO4 + K2SO4 + H2O + I2 =>
Pb3O4 + 2 KI + 4 H2SO4 = 3 PbSO4 + K2SO4 + 4 H2O + I2
Na2SO4 + Mg(NO2)2 = NaNO2 + MgSO4 =>
Na2SO4 + Mg(NO2)2 = 2 NaNO2 + MgSO4
BrO3{-} + H2S = Br{-} + HSO4{-} + H{+} =>
4 BrO3{-} + 3 H2S = 4 Br{-} + 3 HSO4{-} + 3 H{+}
S8(s) + O2(g) + H2O = H2SO4(l) =>
S8(s) + 12 O2(g) + 8 H2O = 8 H2SO4(l)
NH4(OH) = NH4 + OH =>
NH4(OH) = NH4 + OH
KAg(CN)2 + K(OH) = Ag + K(CN) + O2 + H2O =>
4 KAg(CN)2 + 4 K(OH) = 4 Ag + 8 K(CN) + O2 + 2 H2O
Pb{2+} + Na2SO4 = PbSO4 + Na{+} =>
Pb{2+} + Na2SO4 = PbSO4 + 2 Na{+}
Fe2 + F2 = FeF =>
Fe2 + F2 = 2 FeF
K + CO3 = K3CO3 =>
3 K + CO3 = K3CO3
PbCO3(s) + HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(i) =>
PbCO3(s) + 2 HNO3(ac) = Pb(NO3)2(s) + CO2(g) + H2O(i)
MgBr2 + Mn(SO3)2 = MgSO3 + MnBr4 =>
2 MgBr2 + Mn(SO3)2 = 2 MgSO3 + MnBr4
H2(g) + Fe2O3(s) = H2O(l) + Fe(s) =>
3 H2(g) + Fe2O3(s) = 3 H2O(l) + 2 Fe(s)
Al(ClO3)3 + MgCrO4 = Al2(CrO4)3 + Mg(ClO3)2 =>
2 Al(ClO3)3 + 3 MgCrO4 = Al2(CrO4)3 + 3 Mg(ClO3)2
GePO4 + Hg(C2O4)2 = Ge2(C2O4)3 + Hg3(PO4)4 =>
4 GePO4 + 3 Hg(C2O4)2 = 2 Ge2(C2O4)3 + Hg3(PO4)4
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
CH3NH3 + SH = CH3NH4 + S2H =>
CH3NH3 + 2 SH = CH3NH4 + S2H
C3H8 + O7 = CO2 + H2O =>
7 C3H8 + 10 O7 = 21 CO2 + 28 H2O
FeCl3 + KOH = Fe(OH)3 + KCl* =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl*
Sb{3+} + H2O = Sb2O5 + H{+} + H2 =>
2 Sb{3+} + 5 H2O = Sb2O5 + 6 H{+} + 2 H2
CaO2 + H2S = CaS + H2O2 =>
CaO2 + H2S = CaS + H2O2
W(OH)2 = W + OH =>
W(OH)2 = W + 2 OH
CaCl2 + NaCO3 = NaCl + CaCO3 + Cl2 =>
2 CaCl2 + 2 NaCO3 = 2 NaCl + 2 CaCO3 + Cl2
Br + AlI = I + BrAl =>
Br + AlI = I + BrAl
Zn(OH)2 + KOH = K2ZnO2 + H2O =>
Zn(OH)2 + 2 KOH = K2ZnO2 + 2 H2O
LiI + F = LiF + I2 =>
2 LiI + 2 F = 2 LiF + I2
B2S3 + HC = H3BC6 + H2S =>
B2S3 + 12 HC = 2 H3BC6 + 3 H2S
H3PO4 + (NH4)2S = HS + (NH4)3 + PO4 =>
H3PO4 + 3(NH4)2S = 3 HS + 2(NH4)3 + PO4
S2O2 + H2 = S2O + H2O =>
S2O2 + H2 = S2O + H2O
Fe2Cl3 + NaOH = Fe2(OH)3 + NaCl =>
Fe2Cl3 + 3 NaOH = Fe2(OH)3 + 3 NaCl
CH4O + Cr2O7{2-} + H{+} = CO2 + Cr3{+} + H2O =>
17 CH4O + 9 Cr2O7{2-} + 24 H{+} = 17 CO2 + 6 Cr3{+} + 46 H2O
Ba(HCO3)2(s) + HCl(aq) = BaCl2 + H2O + CO2 =>
Ba(HCO3)2(s) + 2 HCl(aq) = BaCl2 + 2 H2O + 2 CO2
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
K3MnO4 + H2O2 + H2SO4 = K2SO4 + KMnO4 + H2O =>
K3MnO4 + H2O2 + H2SO4 = K2SO4 + KMnO4 + 2 H2O
Mg2SiO4 + AlPO4 = Mg3(PO4)2 + Al4(SiO4)3 =>
3 Mg2SiO4 + 4 AlPO4 = 2 Mg3(PO4)2 + Al4(SiO4)3
KNO3 + N2O = KNO2 + NO =>
KNO3 + N2O = KNO2 + 2 NO
KI + H2O = HI + K2O =>
2 KI + H2O = 2 HI + K2O
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