| Équations équilibrées la veille |
2 H2 + 3 C4 = 2 H2C6
K2Cr2O7 + FeSO4 = FeCr2O7 + K2SO4 =>
K2Cr2O7 + FeSO4 = FeCr2O7 + K2SO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KHSO5 + H2O = KHSO4 + H2O2 =>
KHSO5 + H2O = KHSO4 + H2O2
KCl + I2 = KI + Cl =>
2 KCl + I2 = 2 KI + 2 Cl
MnCl2 + NaOH + O2 = MnO2 + NaCl + H2O =>
2 MnCl2 + 4 NaOH + O2 = 2 MnO2 + 4 NaCl + 2 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Ca + P2O5 = CaO + P4 =>
10 Ca + 2 P2O5 = 10 CaO + P4
HgO + CH3COOH = (CH3COO)2Hg + H2O =>
HgO + 2 CH3COOH = (CH3COO)2Hg + H2O
Cr2O7{2-} + (COOH)2 + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{2-} + 3(COOH)2 + 8 H{+} = 2 Cr{3+} + 6 CO2 + 7 H2O
CH2CHCHO + KMnO4 + H2O = CH2(OH)CH(OH)COOK + KOH + MnO2 =>
3 CH2CHCHO + 4 KMnO4 + 2 H2O = 3 CH2(OH)CH(OH)COOK + KOH + 4 MnO2
SrCl2(aq) + Li3PO4(aq) = Sr3(PO4)2(s) + LiCl(aq) =>
3 SrCl2(aq) + 2 Li3PO4(aq) = Sr3(PO4)2(s) + 6 LiCl(aq)
C6H6O12 + O2 = CO2 + H2O =>
2 C6H6O12 + 3 O2 = 12 CO2 + 6 H2O
NCIO3 = NCI + O2 =>
2 NCIO3 = 2 NCI + 3 O2
Hg2 + HNO3 = Hg(NO3)2 + NO + H2O =>
3 Hg2 + 16 HNO3 = 6 Hg(NO3)2 + 4 NO + 8 H2O
CoNO2 + MgSO3 = CoSO3 + MgNO2 =>
CoNO2 + MgSO3 = CoSO3 + MgNO2
Na2SO4 + C = Na2S + CO2 =>
Na2SO4 + 2 C = Na2S + 2 CO2
BaCl + HCl = BaCl3 + H =>
BaCl + 2 HCl = BaCl3 + 2 H
Ge + NaOH + H2O = Na2GeO3 + H2 =>
Ge + 2 NaOH + H2O = Na2GeO3 + 2 H2
CH3COOH + Sr = Sr(CH3COO)2 + H =>
2 CH3COOH + Sr = Sr(CH3COO)2 + 2 H
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
KBr + Sn(OH)2 = K(OH)2 + SnBr =>
KBr + Sn(OH)2 = K(OH)2 + SnBr
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
Fe + (CuNO3)2 = Cu + Fe(NO3)2 =>
Fe + (CuNO3)2 = 2 Cu + Fe(NO3)2
Na2B4O7 + H2O + NaOH = NaB(OH)4 =>
Na2B4O7 + 7 H2O + 2 NaOH = 4 NaB(OH)4
FeCO3 + H3O = Fe2 + CO2 + H2O =>
2 FeCO3 + 4 H3O = Fe2 + 2 CO2 + 6 H2O
KMnO4 + C + KOH = K2MnO4 + CO2 + H2O =>
4 KMnO4 + C + 4 KOH = 4 K2MnO4 + CO2 + 2 H2O
Fe2(CO3)2 + H2SO4 = FeSO4 + H2O + CO2 =>
Fe2(CO3)2 + 2 H2SO4 = 2 FeSO4 + 2 H2O + 2 CO2
Pb(SO4)2 = PbO2 + SO3 =>
Pb(SO4)2 = PbO2 + 2 SO3
C3H8 + OH = CO2 + H2O =>
C3H8 + 20 OH = 3 CO2 + 14 H2O
MgS + Cu = CuS + Mg =>
MgS + Cu = CuS + Mg
SO3 + SCl2 = SOCl2 + SO2 =>
SO3 + SCl2 = SOCl2 + SO2
Li2O(s) + H2O = LiOH(aq) =>
Li2O(s) + H2O = 2 LiOH(aq)
Sn + NaNO3 = Sn(NO3) + Na =>
Sn + NaNO3 = Sn(NO3) + Na
Bi(OH)5 + H2CO3 = Bi2(CO3)5 + H2O =>
2 Bi(OH)5 + 5 H2CO3 = Bi2(CO3)5 + 10 H2O
Fe(C2H3O2)2 + (NH4)2SO4 = FeSO4 + NH4C2H3O2 =>
Fe(C2H3O2)2 + (NH4)2SO4 = FeSO4 + 2 NH4C2H3O2
P2O5 + KOH = P(OH)5 + K2O =>
P2O5 + 10 KOH = 2 P(OH)5 + 5 K2O
Cr2O7{2-} + H3PO3 + H{+} = Cr{3+} + H3PO4 + H2O =>
Cr2O7{2-} + 3 H3PO3 + 8 H{+} = 2 Cr{3+} + 3 H3PO4 + 4 H2O
Pb3N2 + HCl = PbCl2 + H3N =>
Pb3N2 + 6 HCl = 3 PbCl2 + 2 H3N
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
Cu(ii) + S = CuS =>
Cu(ii) + S = CuS
KMnO4 + AuI = KI + MnI + Au + O2 =>
KMnO4 + 2 AuI = KI + MnI + 2 Au + 2 O2
NaIO + Cl2O5 = Cl + NaIO3 =>
5 NaIO + 2 Cl2O5 = 4 Cl + 5 NaIO3
I + CuCl2 = ICl + Cu =>
2 I + CuCl2 = 2 ICl + Cu
Br(l) + NaI(aq) = NaBr(aq) + I2(s) =>
2 Br(l) + 2 NaI(aq) = 2 NaBr(aq) + I2(s)
CO + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 CO + K2Cr2O7 + 4 H2SO4 = 3 CO2 + Cr2(SO4)3 + K2SO4 + 4 H2O
VO3 + SO2 = VO + SO4 =>
VO3 + SO2 = VO + SO4
C2O2H4 + C5H12O = C7O2H14 + H2O =>
C2O2H4 + C5H12O = C7O2H14 + H2O
Co0 + O2 = Co2O3 =>
4 Co0 + 3 O2 = 2 Co2O3
BeO + KOH + H2O = Be(OH)4 + K =>
BeO + 2 KOH + H2O = Be(OH)4 + 2 K
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Équations équilibrées sur10/30/24
Équations équilibrées sur11/29/23
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