| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Ca3(PbO4)2 + 6 SiO2 + 5 C = Pb4 + 6 CaSiO3 + 5 CO2
POCl4 + H2O = H2PO4 + HCl =>
POCl4 + 3 H2O = H2PO4 + 4 HCl
HCl(aq) + K(aq) = KCl(aq) + H2(g) =>
2 HCl(aq) + 2 K(aq) = 2 KCl(aq) + H2(g)
FeO2(s) + C(g) = Fe(l) + CO2(g) =>
FeO2(s) + C(g) = Fe(l) + CO2(g)
KMnO4 + KCl + H2SO4 = MnSO4 + KHSO4 + H2O + Cl =>
KMnO4 + 5 KCl + 7 H2SO4 = MnSO4 + 6 KHSO4 + 4 H2O + 5 Cl
Cr(OH)3 + H3PO3 = CrPO3 + H2O =>
Cr(OH)3 + H3PO3 = CrPO3 + 3 H2O
CuCl2 + KBr = CuBr + KCl + Br2 =>
2 CuCl2 + 4 KBr = 2 CuBr + 4 KCl + Br2
SrBr2 + AgC2H3O2 = SrC2H3O2 + AgBr2 =>
SrBr2 + AgC2H3O2 = SrC2H3O2 + AgBr2
InBr3 + KOH = [InOH]Br2 + KBr =>
InBr3 + KOH = [InOH]Br2 + KBr
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2O2 + CH3COH = CH3COONa + H2 =>
Na2O2 + 2 CH3COH = 2 CH3COONa + H2
Cs(HCO3) = CO2 + Cs2CO3 + H2O =>
2 Cs(HCO3) = CO2 + Cs2CO3 + H2O
GeO2 + H2 = H2O + Ge =>
GeO2 + 2 H2 = 2 H2O + Ge
C2H4O + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 C2H4O + 2 KMnO4 + 3 H2SO4 = 5 CH3COOH + K2SO4 + 2 MnSO4 + 3 H2O
Cr + Cd{2+} = Cr{3+} + Cd =>
2 Cr + 3 Cd{2+} = 2 Cr{3+} + 3 Cd
HCl + H2O + NaOCl = HClO + Na =>
HCl + H2O + 2 NaOCl = 3 HClO + 2 Na
K2Cr2O7 + H2SO4 + (NH4)2SO4 = K2SO4 + Cr2(SO4)3 + NO + H2O =>
5 K2Cr2O7 + 17 H2SO4 + 3(NH4)2SO4 = 5 K2SO4 + 5 Cr2(SO4)3 + 6 NO + 29 H2O
CO2 + Zn(OH)2 = ZnCO3 + H2O =>
CO2 + Zn(OH)2 = ZnCO3 + H2O
MnO4{-} + C2O4{-2} + H2O = CO3{-2} + MnO2 + H{+} =>
2 MnO4{-} + 3 C2O4{-2} + 2 H2O = 6 CO3{-2} + 2 MnO2 + 4 H{+}
S2O + I2 + H2O = H2S + HIO =>
S2O + 3 I2 + 5 H2O = 2 H2S + 6 HIO
Ba(NO3)2(aq) + Na2(SO4)(aq) = Ba(SO4)(s) + Na(NO3)(aq) =>
Ba(NO3)2(aq) + Na2(SO4)(aq) = Ba(SO4)(s) + 2 Na(NO3)(aq)
ZrO2 + COCl2 = ZrCl4 + CO2 =>
ZrO2 + 2 COCl2 = ZrCl4 + 2 CO2
Fe(ClO4)3 + (NH4)2S = NH4ClO4 + Fe2S3 =>
2 Fe(ClO4)3 + 3(NH4)2S = 6 NH4ClO4 + Fe2S3
Na + N2 = NaN3 =>
2 Na + 3 N2 = 2 NaN3
K2CrO4 + AgNO3 = K2CrO4AgNO3 =>
K2CrO4 + AgNO3 = K2CrO4AgNO3
Al(NO3)3 + KOH + H2O = KAlO2 + HNO3 =>
Al(NO3)3 + KOH + H2O = KAlO2 + 3 HNO3
BaCO3 + Fe2(SO4)3 = Ba(SO4)3 + Fe2CO3 =>
BaCO3 + Fe2(SO4)3 = Ba(SO4)3 + Fe2CO3
Mn2O7 + KOH = Mn(OH)7 + K2O =>
Mn2O7 + 14 KOH = 2 Mn(OH)7 + 7 K2O
Ba + HNO3 = H2Ba + NO3 =>
Ba + 2 HNO3 = H2Ba + 2 NO3
Li + CoO2 = LiCoO2 =>
Li + CoO2 = LiCoO2
Fe(OH)3 + NaHSO4 = Fe2(SO4)3 + Na2SO4 + H2O =>
2 Fe(OH)3 + 6 NaHSO4 = Fe2(SO4)3 + 3 Na2SO4 + 6 H2O
NH4HS + NaOH + NaClO = N + NaCl + Na2SO4 + H2O =>
2 NH4HS + 4 NaOH + 11 NaClO = 2 N + 11 NaCl + 2 Na2SO4 + 7 H2O
AsCl3(s) + NaBH4(s) = AsH3(g) + NaCl(s) + BCl3(g) =>
4 AsCl3(s) + 3 NaBH4(s) = 4 AsH3(g) + 3 NaCl(s) + 3 BCl3(g)
H2SO4 + KCI = HCI + K2SO4 =>
H2SO4 + 2 KCI = 2 HCI + K2SO4
Al(s) + HCl(aw) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aw) = 2 AlCl3(aq) + 3 H2(g)
Cd + CuSO4 = CdSO4 + Cu =>
Cd + CuSO4 = CdSO4 + Cu
Ga(NO3)3 + Ba(NO3)2 + H2O = BaGa2O4 + NH3 + O2 =>
2 Ga(NO3)3 + Ba(NO3)2 + 12 H2O = BaGa2O4 + 8 NH3 + 16 O2
Na2O + I = NaI + O2 =>
2 Na2O + 4 I = 4 NaI + O2
K2CrO4 + HCl + H2S = KCl + CrCl3 + H2O + S =>
2 K2CrO4 + 10 HCl + 3 H2S = 4 KCl + 2 CrCl3 + 8 H2O + 3 S
Ca + H3PO4 = Ca(H2PO4)2 + H2 =>
Ca + 2 H3PO4 = Ca(H2PO4)2 + H2
Hg(No3)2 + NaI = NaNo3 + HgI2 =>
Hg(No3)2 + 2 NaI = 2 NaNo3 + HgI2
P + HNO3(conc) = H3PO4 + NO2 + H2O =>
P + 5 HNO3(conc) = H3PO4 + 5 NO2 + H2O
Na + MgF2 = Na2F2 + Mg =>
2 Na + MgF2 = Na2F2 + Mg
Fe + C2 = FeC13 =>
2 Fe + 13 C2 = 2 FeC13
BaCl2 + NH4NO3 = Ba(NO3)2 + NH4Cl =>
BaCl2 + 2 NH4NO3 = Ba(NO3)2 + 2 NH4Cl
Cu(NO3)2 + NH3 = Cu(NH3)4{+2} + NO3{-} =>
Cu(NO3)2 + 4 NH3 = Cu(NH3)4{+2} + 2 NO3{-}
MgCo3 + H2SO4 = MgSO3 + H2O + Co2 =>
2 MgCo3 + 2 H2SO4 = 2 MgSO3 + 2 H2O + 3 Co2
Cu + HNO4 = Cu(NO4)2 + NO2 + H2O =>
3 Cu + 8 HNO4 = 3 Cu(NO4)2 + 2 NO2 + 4 H2O
HBr + C = CBr4 + H2 =>
4 HBr + C = CBr4 + 2 H2
(CoOH)2SO4 + (NH4)2SO4 + NH4OH = [Co(NH3)6]SO4 + H2O =>
(CoOH)2SO4 + (NH4)2SO4 + 10 NH4OH = 2[Co(NH3)6]SO4 + 12 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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