| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H2 + 3 H2SO4 + 2 KMnO4 = 2 CO2 + 4 H2O + K2SO4 + 2 MnSO4
C2H5OH + I2 + NaOH = CHI3 + HCOONa + H2 =>
2 C2H5OH + 3 I2 + 2 NaOH = 2 CHI3 + 2 HCOONa + 5 H2
MgBr2 + MnO2 + H2SO4 = MgSO4 + MnSO4 + H2O + Br2 =>
MgBr2 + MnO2 + 2 H2SO4 = MgSO4 + MnSO4 + 2 H2O + Br2
CrO + NaOH = Cr(OH)2 + Na2O =>
CrO + 2 NaOH = Cr(OH)2 + Na2O
CuSO4 + HOH = Cu(OH)2 + SO4 + H =>
CuSO4 + 2 HOH = Cu(OH)2 + SO4 + 2 H
CrCl3 + MnO2 + H2O = MnCl2 + H2(CrO4) =>
2 CrCl3 + 3 MnO2 + 2 H2O = 3 MnCl2 + 2 H2(CrO4)
H2O2 + MnO4{-} = MnO2 + O2 + OH{-} =>
H2O2 + 2 MnO4{-} = 2 MnO2 + 2 O2 + 2 OH{-}
SnS3{2-} + H2SO4 = SnS2 + SO4{2-} + H2{+} + S2 =>
2 SnS3{2-} + 4 H2SO4 = 2 SnS2 + 4 SO4{2-} + 4 H2{+} + S2
H2S + O2 = S + H2O =>
2 H2S + O2 = 2 S + 2 H2O
KMnO4 + HSO3 + FeSO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
6 KMnO4 + 16 HSO3 + 14 FeSO4 = 7 Fe2(SO4)3 + 6 MnSO4 + 3 K2SO4 + 8 H2O
Zn + Mn = ZnMn =>
Zn + Mn = ZnMn
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
Cr(CH3COO)3 + K2CO3 = Cr2(CO3)3 + CH3COOK =>
2 Cr(CH3COO)3 + 3 K2CO3 = Cr2(CO3)3 + 6 CH3COOK
NH4No3 + K3Po4 = NH4Po4 + No3K3 =>
NH4No3 + K3Po4 = NH4Po4 + No3K3
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
C + H8 = CH8 =>
C + H8 = CH8
C240H90O9NS2 + O2 = SO2 + CO2 + H2O + N2 =>
2 C240H90O9NS2 + 520 O2 = 4 SO2 + 480 CO2 + 90 H2O + N2
Co3 + Cl3 = CoCl3 =>
Co3 + 3 Cl3 = 3 CoCl3
Cr2Mg + OH = Cr + MgH + O =>
Cr2Mg + OH = 2 Cr + MgH + O
C6H5COOH + CaCO3 = Ca(C6H5COO) + CO2 + H2O =>
31 C6H5COOH + 30 CaCO3 = 30 Ca(C6H5COO) + 37 CO2 + 18 H2O
KrCl4 = Cl2 + Kr =>
KrCl4 = 2 Cl2 + Kr
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
Ca2 + H = CaH =>
Ca2 + 2 H = 2 CaH
O + C16H28O10 = CO + H2O =>
20 O + C16H28O10 = 16 CO + 14 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
PCl5 + NH4Cl = NPCl2 + HCl =>
PCl5 + NH4Cl = NPCl2 + 4 HCl
Na2(CO3) + Co(Cl)2 = CoCO3 + NaCl =>
Na2(CO3) + Co(Cl)2 = CoCO3 + 2 NaCl
C5H10 = C4H8 =>
4 C5H10 = 5 C4H8
Ag + KCN + H2O + O = KAg(CN)2 + KOH =>
2 Ag + 4 KCN + H2O + O = 2 KAg(CN)2 + 2 KOH
ZnCl2(aq) + Na2CO3(aq) = ZnCO3 + NaCl =>
ZnCl2(aq) + Na2CO3(aq) = ZnCO3 + 2 NaCl
S2O3{-} + [Ag(NH3)2]{+} = S4O6 + Ag + NH3 =>
2 S2O3{-} + 2[Ag(NH3)2]{+} = S4O6 + 2 Ag + 4 NH3
Cr + Cl2 + KOH = K2CrO4 + KCl + H2O =>
Cr + 3 Cl2 + 8 KOH = K2CrO4 + 6 KCl + 4 H2O
VI + F2 = VF5 + I2 =>
2 VI + 5 F2 = 2 VF5 + I2
CH402 + O2 = CO2 + H2O =>
2 CH402 + 203 O2 = 2 CO2 + 402 H2O
MgCl2(aq) + Na2CO3(aq) = MgCO3(k) + NaCl(aq) =>
MgCl2(aq) + Na2CO3(aq) = MgCO3(k) + 2 NaCl(aq)
[Co(H2O)6]2{+} + H2O2 + OH{-} = CoO(OH) + H2O =>
2[Co(H2O)6]2{+} + 5 H2O2 + 2 OH{-} = 4 CoO(OH) + 28 H2O
H2SiO3 + FeCl2 = Fe2(SiO3)2 + HCl =>
2 H2SiO3 + 2 FeCl2 = Fe2(SiO3)2 + 4 HCl
KClO3(s) + S(s) = KCl(s) + SO2(g) =>
2 KClO3(s) + 3 S(s) = 2 KCl(s) + 3 SO2(g)
CaOCa + O = CaO =>
CaOCa + O = 2 CaO
Si + Ca(OH)2 + NaOH = Na2SiO3 + CaO + H2 =>
Si + Ca(OH)2 + 2 NaOH = Na2SiO3 + CaO + 2 H2
C2H5OH + H2SO4 = C2H5OSO3H + H2O =>
C2H5OH + H2SO4 = C2H5OSO3H + H2O
H5 + O3 = H7O4 =>
21 H5 + 20 O3 = 15 H7O4
Ba(NO3)(aq)2 + KCO3(aq) = BaCO3(aq) + K(NO3)2(aq) =>
Ba(NO3)(aq)2 + KCO3(aq) = BaCO3(aq) + K(NO3)2(aq)
Cu(NO3)2 + KOH(aq) = Cu(OH)2 + KNO3 =>
Cu(NO3)2 + 2 KOH(aq) = Cu(OH)2 + 2 KNO3
AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + Ag(s) =>
2 AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + 2 Ag(s)
CH3COOHCH2CH3 + H2O = CH3COOH + HOCH2CH3 =>
4 CH3COOHCH2CH3 + 3 H2O = 3 CH3COOH + 5 HOCH2CH3
Fe2O3 + NaOH + H2O = NaFe(OH)4 =>
Fe2O3 + 2 NaOH + 3 H2O = 2 NaFe(OH)4
C2H8OH + O2 = CO2 + H2O =>
4 C2H8OH + 15 O2 = 8 CO2 + 18 H2O
MgCl2 + Na3PO4 = NaCl + Mg3(PO4)2 =>
3 MgCl2 + 2 Na3PO4 = 6 NaCl + Mg3(PO4)2
Ca + AgCl = CaCl2 + Ag =>
Ca + 2 AgCl = CaCl2 + 2 Ag
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/19/25
Équations équilibrées sur03/21/24
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