| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CrO7{2-} + 9 C2O4{2-} + 28 H{+} = 2 Cr{3+} + 18 CO2 + 14 H2O
Cr2O7{2-} + Cd + H{+} = Cr{3+} + Cd{2+} + H2O =>
Cr2O7{2-} + 3 Cd + 14 H{+} = 2 Cr{3+} + 3 Cd{2+} + 7 H2O
C5H6O5 + O2 = CO2 + H2O =>
C5H6O5 + 4 O2 = 5 CO2 + 3 H2O
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
H + Cu(NO3)2 = Cu + H(NO3)2 =>
H + Cu(NO3)2 = Cu + H(NO3)2
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + CrSO4 + K2SO4 + H2O =>
4 Zn + K2Cr2O7 + 7 H2SO4 = 4 ZnSO4 + 2 CrSO4 + K2SO4 + 7 H2O
HI + KHSO3 = H2O + SO2 + KI =>
HI + KHSO3 = H2O + SO2 + KI
Co(NO3)2 = CoO + NO2 + O2 =>
2 Co(NO3)2 = 2 CoO + 4 NO2 + O2
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
K2Cr2O7 + CH3CH2OH + HCl = KCl + CrCl3 + CH3CHO + H2O =>
K2Cr2O7 + 3 CH3CH2OH + 8 HCl = 2 KCl + 2 CrCl3 + 3 CH3CHO + 7 H2O
Fe(NO3)2 + Cu(OH)2 = Fe(OH)2 + Cu(NO3)2 =>
Fe(NO3)2 + Cu(OH)2 = Fe(OH)2 + Cu(NO3)2
AgI + CaO = Ag2O + CaI2 =>
2 AgI + CaO = Ag2O + CaI2
Be*S = BeS =>
Be*S = BeS
Cr(No3)2 + NaOH = Cr(OH)2 + NaNo3 =>
Cr(No3)2 + 2 NaOH = Cr(OH)2 + 2 NaNo3
ZnSO4 + CuSO4 = CuZn + SO4 =>
ZnSO4 + CuSO4 = CuZn + 2 SO4
Na + Cl = Na4Cl2 =>
4 Na + 2 Cl = Na4Cl2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
HI + CI2 = I2 + HCI =>
HI + CI2 = I2 + HCI
Cu(NO3)2 + NaOH = Cu(OH)2 + (NO3)2 + Na =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + (NO3)2 + 2 Na
CaSO3 + HI = CaI2 + H2O + SO2 =>
CaSO3 + 2 HI = CaI2 + H2O + SO2
MgCO3 + HCl = MgCl2 + H2OCO2 =>
MgCO3 + 2 HCl = MgCl2 + H2OCO2
C9H8O4 + NaHCO3 = H2O + CO2 + Na3C6H5O7 =>
C9H8O4 + 6 NaHCO3 = 2 H2O + 3 CO2 + 2 Na3C6H5O7
Ca + Cl = Ca1Cl2 =>
Ca + 2 Cl = Ca1Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Zn(CH3COO)2 + (NH4)2SO4 = ZnSO4 + (NH4)CH3COO =>
Zn(CH3COO)2 + (NH4)2SO4 = ZnSO4 + 2(NH4)CH3COO
H3(PO4)(aq) + HCl(aq) = PCl5 + H2O =>
H3(PO4)(aq) + 5 HCl(aq) = PCl5 + 4 H2O
HgS + H2O2 = Hg + SO2 + H2O =>
HgS + 2 H2O2 = Hg + SO2 + 2 H2O
H3COH + (Cr2O7)2{-} + H{+} = HCOOH + Cr3{+} + H2O =>
77 H3COH + 12(Cr2O7)2{-} + 28 H{+} = 77 HCOOH + 16 Cr3{+} + 91 H2O
CuSO4 + CO(NH2)2 = Cu(NH2)2 + CSO5 =>
CuSO4 + CO(NH2)2 = Cu(NH2)2 + CSO5
Ba(NO3)2 + C = BaO + CO2 + NO2 =>
2 Ba(NO3)2 + C = 2 BaO + CO2 + 4 NO2
K2CrO4 + HCl + KNO2 = CrCl3 + KCl + KNO3 + H2O =>
2 K2CrO4 + 10 HCl + 3 KNO2 = 2 CrCl3 + 4 KCl + 3 KNO3 + 5 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Na2SO4 + CaCl2 = NaCl + CaSO4 =>
Na2SO4 + CaCl2 = 2 NaCl + CaSO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
M2 = M =>
M2 = 2 M
Cr(OH)3 + Cr2(SO4)3 = (Cr(OH)2)2SO4 =>
4 Cr(OH)3 + Cr2(SO4)3 = 3(Cr(OH)2)2SO4
XeF2 + F2 = XeF6 =>
XeF2 + 2 F2 = XeF6
Sn = Sn{2+} + e =>
Sn = Sn{2+} + 2e
BeF2 + K3N = Be3N2 + KF =>
3 BeF2 + 2 K3N = Be3N2 + 6 KF
Cu(NH3)4(OH)2 + HNO3 = Cu(OH)2 + NH4NO3 =>
Cu(NH3)4(OH)2 + 4 HNO3 = Cu(OH)2 + 4 NH4NO3
NH4Cl + Na3[Al(OH)6] = Al(OH)3 + NH3 + NaCl + H2O =>
3 NH4Cl + Na3[Al(OH)6] = Al(OH)3 + 3 NH3 + 3 NaCl + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ca3(PO4)2 + (H)3(PO4) = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4(H)3(PO4) = 3 Ca(H2PO4)2
Na2O + MgCl2 = Na2Cl2 + MgO =>
Na2O + MgCl2 = Na2Cl2 + MgO
NH4Br + KOH = NH3 + KBr + H2O =>
NH4Br + KOH = NH3 + KBr + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/03/24
Équations équilibrées sur12/03/23
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