| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaS + 4 HNO3 = 2 NO + SO2 + Ca(NO3)2 + 2 H2O
KOH + CH2O + KMnO4 = HCOOH + K2MnO4 + H2O =>
2 KOH + CH2O + 2 KMnO4 = HCOOH + 2 K2MnO4 + H2O
Sr + Fe(NO3)3 = Sr(NO3)2 + Fe =>
3 Sr + 2 Fe(NO3)3 = 3 Sr(NO3)2 + 2 Fe
Al(OH)3 + HBr = Al(Br)3 + H2O =>
Al(OH)3 + 3 HBr = Al(Br)3 + 3 H2O
C6H13NO2 + Ca(OH)2 = CaC6H11NO2 + H2O =>
C6H13NO2 + Ca(OH)2 = CaC6H11NO2 + 2 H2O
BaSO4 + Na2CO3 = BaCO3 + Na2SO4 =>
BaSO4 + Na2CO3 = BaCO3 + Na2SO4
HBr(aq) + CrCO3(s) = CrBr2(aq) + H2O(l) + CO2(g) =>
2 HBr(aq) + CrCO3(s) = CrBr2(aq) + H2O(l) + CO2(g)
MgCO3 + Cl2 = MgCl2 + CO2 + O2 =>
2 MgCO3 + 2 Cl2 = 2 MgCl2 + 2 CO2 + O2
Ta2O5 + TaF7 = TaOF6 + TaF2 =>
5 Ta2O5 + 24 TaF7 = 25 TaOF6 + 9 TaF2
Ba + Ni(NO3)2 = Ba(NO3)2 + Ni2 =>
2 Ba + 2 Ni(NO3)2 = 2 Ba(NO3)2 + Ni2
LiNO3 + H2SO4 = Li2SO4 + HNO3 =>
2 LiNO3 + H2SO4 = Li2SO4 + 2 HNO3
H2SO3 + NaCO3 = H2O + CO2 + NaSO3 =>
H2SO3 + NaCO3 = H2O + CO2 + NaSO3
Li2O + Co2 = Li2Co3 + O6 =>
6 Li2O + 9 Co2 = 6 Li2Co3 + O6
AgNo3 + Br = AgBr + No3 =>
AgNo3 + Br = AgBr + No3
Al + C9H15O9 = Al2O3 + C + H2 =>
12 Al + 2 C9H15O9 = 6 Al2O3 + 18 C + 15 H2
Ni(OH3)2 + NaOH = Ni(OH)2 + Na(OH3) =>
Ni(OH3)2 + 2 NaOH = Ni(OH)2 + 2 Na(OH3)
MnO4{-} + HNO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
3 MnO4{-} + 5 HNO2{-} + 9 H{+} = 3 Mn{2+} + 5 NO3{-} + 7 H2O
AgCl + MgO = AgO + MgCl =>
AgCl + MgO = AgO + MgCl
FeCl3 + Na = Fe3 + NaCl =>
3 FeCl3 + 9 Na = Fe3 + 9 NaCl
Ag3NO3 + Sn = Ag + Sn(NO3)2 =>
2 Ag3NO3 + Sn = 6 Ag + Sn(NO3)2
Li2CO3 + CH3COOH = LiCH3COOH + CO2 + H2O =>
4 Li2CO3 + 9 CH3COOH = 8 LiCH3COOH + 6 CO2 + 2 H2O
Ca3(PO4)2 + CuCl2 = CaCl2 + Cu3(PO4)2 =>
Ca3(PO4)2 + 3 CuCl2 = 3 CaCl2 + Cu3(PO4)2
S2 + NaOH = Na2S2O3 + Na2S + H2O =>
2 S2 + 6 NaOH = Na2S2O3 + 2 Na2S + 3 H2O
Zn(OH)2 + CH3COOH = Zn(CH3COO)2 + H2O =>
Zn(OH)2 + 2 CH3COOH = Zn(CH3COO)2 + 2 H2O
KMnO4 + Na2Cr2O7 = NaMnO4 + K2Cr2O7 =>
2 KMnO4 + Na2Cr2O7 = 2 NaMnO4 + K2Cr2O7
C20H30OH + O2 = CO2 + H2O =>
4 C20H30OH + 109 O2 = 80 CO2 + 62 H2O
ZnCO3 + CH3COOH = Zn(CH3COOH)2 + CO2 + H2O =>
4 ZnCO3 + 9 CH3COOH = 4 Zn(CH3COOH)2 + 6 CO2 + 2 H2O
Sn(OH)2 + P2O5 = Sn3(PO4)2 + H2O =>
3 Sn(OH)2 + P2O5 = Sn3(PO4)2 + 3 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
FeO + Cl2O = FeCl2 + O2 =>
FeO + Cl2O = FeCl2 + O2
Br + I = IBr =>
Br + I = IBr
HNO3 + CaO = Ca(NO3)2 + H2O =>
2 HNO3 + CaO = Ca(NO3)2 + H2O
NaAlO2 + HNO3 = Al(NO3)3 + NaNO3 + H2O =>
NaAlO2 + 4 HNO3 = Al(NO3)3 + NaNO3 + 2 H2O
H5P + O2 = P2O5 + H2O =>
2 H5P + 5 O2 = P2O5 + 5 H2O
Na + BaCl2 = NaCl + Ba =>
2 Na + BaCl2 = 2 NaCl + Ba
Fe + KNO3 = FeO + KNO2 =>
Fe + KNO3 = FeO + KNO2
CO2 + Na2SO4 = Na2CO3 + SO3 =>
CO2 + Na2SO4 = Na2CO3 + SO3
C2H6 + KOH = C2H4 + K + H2O =>
C2H6 + 2 KOH = C2H4 + 2 K + 2 H2O
KBrO3 + HBr + HCl = KCl + Br2 + H2O =>
KBrO3 + 5 HBr + HCl = KCl + 3 Br2 + 3 H2O
Ca(OH)2(s) = CaO(s) + H2O =>
Ca(OH)2(s) = CaO(s) + H2O
Mg + Cu3N2 = Mg3N2 + Cu =>
3 Mg + Cu3N2 = Mg3N2 + 3 Cu
Fe(SO4)2 + BaCl2 = FeCl2 + Ba(SO4)2 =>
Fe(SO4)2 + BaCl2 = FeCl2 + Ba(SO4)2
Zn(OH)2 + NH4Cl = Zn(Cl)2 + NH4OH =>
Zn(OH)2 + 2 NH4Cl = Zn(Cl)2 + 2 NH4OH
H3 + P = PH3 =>
H3 + P = PH3
P + H2O = OH + PH3 =>
P + 3 H2O = 3 OH + PH3
KNO3 + Cu(CH3COO)2 = KCH3COO + Cu(NO3)2 =>
2 KNO3 + Cu(CH3COO)2 = 2 KCH3COO + Cu(NO3)2
Ca + Pb(NO3)2 = Ca(NO3) + Pb =>
2 Ca + Pb(NO3)2 = 2 Ca(NO3) + Pb
CaC2O4 + H{+} = Ca{+2} + H2C2O4 =>
CaC2O4 + 2 H{+} = Ca{+2} + H2C2O4
C7 + O4 = CO3 =>
4 C7 + 21 O4 = 28 CO3
H3PO4 + Mn2O7 = H2O + Mn3(PO4)7 =>
14 H3PO4 + 3 Mn2O7 = 21 H2O + 2 Mn3(PO4)7
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/28/24
Équations équilibrées sur12/28/23
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