| Équations équilibrées la veille |
KCl + H2O = HCl + OH + K
MgO + CO2 = MgOCO2 =>
MgO + CO2 = MgOCO2
F2(g) + Na2O(ac) = FNa + O =>
F2(g) + Na2O(ac) = 2 FNa + O
H2O2(g) = H2O(g) + O2(g) =>
2 H2O2(g) = 2 H2O(g) + O2(g)
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
C2H6O(l) + Mg(s) = Mg(C2H5O)2(s) + H2(g) =>
2 C2H6O(l) + Mg(s) = Mg(C2H5O)2(s) + H2(g)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C3H6 + O2 = CO2(g)H2O =>
2 C3H6 + 9 O2 = 6 CO2(g)H2O
Cr + PbSO4 = Cr2(SO4)3 + Pb =>
2 Cr + 3 PbSO4 = Cr2(SO4)3 + 3 Pb
NH4Cl + K2[HgBr2I2] + KOH = HgO*Hg(NH2)I + KCl + KBr + KI + H2O =>
NH4Cl + 2 K2[HgBr2I2] + 4 KOH = HgO*Hg(NH2)I + KCl + 4 KBr + 3 KI + 3 H2O
H3AsO3 + I2 + H2O = H3AsO4 + I*2H =>
2 H3AsO3 + I2 + 2 H2O = 2 H3AsO4 + 2 I*2H
CaO + Li2O = Li + CaO2 =>
CaO + Li2O = 2 Li + CaO2
H2S + Br2 = BrS + H2 =>
2 H2S + Br2 = 2 BrS + 2 H2
C3H8(g) + O2 = CO2(g) + H2O =>
C3H8(g) + 5 O2 = 3 CO2(g) + 4 H2O
Cu + O2 = Cu2O7 =>
4 Cu + 7 O2 = 2 Cu2O7
Cr(OH)4{-} + H2O2 = Cr2O7{2-} + H2O =>
2 Cr(OH)4{-} + 3 H2O2 = Cr2O7{2-} + 7 H2O
H + NO3 = OH + NH3 =>
6 H + NO3 = 3 OH + NH3
Co(NO3)2 + Na2S = Co(S) + NaNO3 =>
Co(NO3)2 + Na2S = Co(S) + 2 NaNO3
Mn2O7 + NaOH = Na2Mn2O8 + H2O =>
Mn2O7 + 2 NaOH = Na2Mn2O8 + H2O
Mg3(AsO4)2 + Co(IO3)3 = Mg(IO3)2 + CoAsO4 =>
Mg3(AsO4)2 + 2 Co(IO3)3 = 3 Mg(IO3)2 + 2 CoAsO4
AuS + H2 = Au + H2S =>
AuS + H2 = Au + H2S
Na2CO3(aq) + Na2S(aq) = SCO3(s) + Na2(aq) =>
Na2CO3(aq) + Na2S(aq) = SCO3(s) + 2 Na2(aq)
CH4 + NCl2 = CCl4 + N2 + H6 =>
3 CH4 + 6 NCl2 = 3 CCl4 + 3 N2 + 2 H6
C6H5OCl + O2 = CO2 + H2O + HCl =>
2 C6H5OCl + 13 O2 = 12 CO2 + 4 H2O + 2 HCl
Li2SiO3 + HNO3 = LiNO3 + H2O + SiO2 =>
Li2SiO3 + 2 HNO3 = 2 LiNO3 + H2O + SiO2
C5H10O(s) + O2(g) = CO2(g) + H2O(g) =>
C5H10O(s) + 7 O2(g) = 5 CO2(g) + 5 H2O(g)
AgNO3 + MnSO4 = Ag2SO4 + Mn(NO3)2 =>
2 AgNO3 + MnSO4 = Ag2SO4 + Mn(NO3)2
Sr(NO3)2 + Rb2SO4 = SrSO4 + RbNO3 =>
Sr(NO3)2 + Rb2SO4 = SrSO4 + 2 RbNO3
Na2O2 + AlCl3 = Na3Al2Cl6O3 =>
3 Na2O2 + 4 AlCl3 = 2 Na3Al2Cl6O3
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
BeOH + NaOH + H2O = Na2[Be(OH)4] + H2 =>
2 BeOH + 4 NaOH + 2 H2O = 2 Na2[Be(OH)4] + H2
Nb + H2SO4 = NbSO4 + H2 =>
Nb + H2SO4 = NbSO4 + H2
K3PO4 + MgSO4 = Mg3(PO4)2 + K2SO4 =>
2 K3PO4 + 3 MgSO4 = Mg3(PO4)2 + 3 K2SO4
CoAl2O4 + KHSO4 = Al2(SO4)3 + CoSO4 + H2O + K2SO4 =>
CoAl2O4 + 8 KHSO4 = Al2(SO4)3 + CoSO4 + 4 H2O + 4 K2SO4
FeTiO3 = TiO2FeO =>
FeTiO3 = TiO2FeO
FeSO4 + K2Cr2O7 + H2SO4 = K2SO4 + Cr3(SO4)3 + H2O + Fe2(SO4)3 =>
24 FeSO4 + 3 K2Cr2O7 + 21 H2SO4 = 3 K2SO4 + 2 Cr3(SO4)3 + 21 H2O + 12 Fe2(SO4)3
SO3 + O2 = SO3O2 =>
SO3 + O2 = SO3O2
NaN3 + HNO3 = NaOH + N2 + NO =>
NaN3 + HNO3 = NaOH + N2 + 2 NO
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
KBr(s) + H3PO4(aq) = K3PO4(aq) + HBr(g) =>
3 KBr(s) + H3PO4(aq) = K3PO4(aq) + 3 HBr(g)
ZnS + PbO = ZnO + Pb + SO2 =>
ZnS + 3 PbO = ZnO + 3 Pb + SO2
Na2Cr2O7 + BaCl2 = NaCl + BaCr2O7 =>
Na2Cr2O7 + BaCl2 = 2 NaCl + BaCr2O7
Ca(OH)2 + ZnCO3 = Zn(OH)2 + CaCO3 =>
Ca(OH)2 + ZnCO3 = Zn(OH)2 + CaCO3
KI3(aq) + H2S(aq) = S + HI + KI =>
KI3(aq) + H2S(aq) = S + 2 HI + KI
As2S3 + NaOH + Cl2 = Na2SO4 + Na2AsO4 + H2O + NaCl =>
As2S3 + 40 NaOH + 15 Cl2 = 3 Na2SO4 + 2 Na2AsO4 + 20 H2O + 30 NaCl
MnO4 + NH3 = NO2 + MnO2 + H2O =>
7 MnO4 + 4 NH3 = 4 NO2 + 7 MnO2 + 6 H2O
C4H10 + F2 = C4H9F + HF =>
C4H10 + F2 = C4H9F + HF
Mg + Ti2Cl4 = MgCl2 + Ti =>
2 Mg + Ti2Cl4 = 2 MgCl2 + 2 Ti
Mg(s) + H2O = MgO + H2 =>
Mg(s) + H2O = MgO + H2
CuS + (NO3){-} + H{+} = S + Cu2{+} + NO + H2O =>
6 CuS + (NO3){-} + 4 H{+} = 6 S + 3 Cu2{+} + NO + 2 H2O
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