| Équations équilibrées la veille |
HH2S = H3S
NaOH + BeCl2 = Na2[Be(OH)4] + NaCl =>
4 NaOH + BeCl2 = Na2[Be(OH)4] + 2 NaCl
C6H12O6 + O = CO2 + H2O =>
C6H12O6 + 12 O = 6 CO2 + 6 H2O
Na2CO3 + CaCl2 = NaCl + (CaCO3)2 =>
2 Na2CO3 + 2 CaCl2 = 4 NaCl + (CaCO3)2
In(OH)3 + Ca(HS)2 = In(SH)3 + Ca(OH)2 =>
2 In(OH)3 + 3 Ca(HS)2 = 2 In(SH)3 + 3 Ca(OH)2
CH4 + N2O4 = H2O + CO2 + N2 =>
CH4 + N2O4 = 2 H2O + CO2 + N2
MnO4{-} + NaCl + H{+} = Mn2{+} + H2O + Na{+} + Cl2 =>
4 MnO4{-} + 26 NaCl + 32 H{+} = 2 Mn2{+} + 16 H2O + 26 Na{+} + 13 Cl2
Br2 + NaI = I2 + NaBr =>
Br2 + 2 NaI = I2 + 2 NaBr
NIO + H2SO4 = NISO4 + H2O =>
NIO + H2SO4 = NISO4 + H2O
Cu2CO3(HO)2H2O + NH2CH2CO2H = Cu(NH2CH2CO2)2H2O + H2O + CO2 =>
Cu2CO3(HO)2H2O + 4 NH2CH2CO2H = 2 Cu(NH2CH2CO2)2H2O + 2 H2O + CO2
Sn1 + O2 = Sn2O4 =>
2 Sn1 + 2 O2 = Sn2O4
TiCl4 + Al = TiAl + Cl2 =>
TiCl4 + Al = TiAl + 2 Cl2
MgCO3 + CH3COOH = CH3COOHMg + CO2 + H2O =>
4 MgCO3 + 5 CH3COOH = 4 CH3COOHMg + 6 CO2 + 2 H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
MnO4{-} + S{2-} + H2O = SO3{2-} + MnO2 + OH{-} =>
2 MnO4{-} + S{2-} + H2O = SO3{2-} + 2 MnO2 + 2 OH{-}
NaI(aq) + BaS(aq) = BaI2 + Na2S =>
2 NaI(aq) + BaS(aq) = BaI2 + Na2S
NaAlO2 + H2O = NaAlO3 + H2 =>
NaAlO2 + H2O = NaAlO3 + H2
NaOH + C20H14O4 = Na + CO2 + H2O =>
86 NaOH + C20H14O4 = 86 Na + 20 CO2 + 50 H2O
S{-2} + CrO4{-2} + H2O = S + Cr{+3} + OH{-} =>
3 S{-2} + 2 CrO4{-2} + 8 H2O = 3 S + 2 Cr{+3} + 16 OH{-}
CuSO4(ac) + KI(ac) = CuI(s) + KI3(ac) + K2SO4(ac) =>
2 CuSO4(ac) + 5 KI(ac) = 2 CuI(s) + KI3(ac) + 2 K2SO4(ac)
C3H8 + Cl2 = C3H5Cl3 + HCl =>
C3H8 + 3 Cl2 = C3H5Cl3 + 3 HCl
Al(s) + NaOH(aq) = Al(OH)3(aq) + Na(s) =>
Al(s) + 3 NaOH(aq) = Al(OH)3(aq) + 3 Na(s)
Sn + H2O = Sn(OH)2 + H2 =>
Sn + 2 H2O = Sn(OH)2 + H2
Na2CO3 + CH3COOH = (CH3COO)2Na + CO2 + H2O =>
4 Na2CO3 + 15 CH3COOH = 8(CH3COO)2Na + 2 CO2 + 6 H2O
Ni(NO3)2 + Na2HPO4 = Ni3(PO4)2 + NaNO3 + HNO3 =>
3 Ni(NO3)2 + 2 Na2HPO4 = Ni3(PO4)2 + 4 NaNO3 + 2 HNO3
Al + NaOH + H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 NaAlO2 + 3 H2
(H)2(O)2 = (H)2O + (O)2 =>
2(H)2(O)2 = 2(H)2O + (O)2
MnO2 + Cl2 = MnCl2 + O2 =>
MnO2 + Cl2 = MnCl2 + O2
CH4 + F = CH3 + HF =>
CH4 + F = CH3 + HF
NiCl2*6H2O + KOH = KCl + Ni(OH)2 + H2O =>
NiCl2*6H2O + 2 KOH = 2 KCl + Ni(OH)2 + 6 H2O
NH4 + Ca = NH4Ca =>
NH4 + Ca = NH4Ca
Al + Cs2O = Al2O3 + Cs =>
2 Al + 3 Cs2O = Al2O3 + 6 Cs
ZnSO3 + NaOH = Na2SO3 + Zn(OH)2 =>
ZnSO3 + 2 NaOH = Na2SO3 + Zn(OH)2
ZnCl + AgNO3 = ZnNO3 + AgCl =>
ZnCl + AgNO3 = ZnNO3 + AgCl
N2 + Cl2 = NCl3 =>
N2 + 3 Cl2 = 2 NCl3
CO2(g) + Ca(OH)2 = CaCO3 + H2O(g) =>
CO2(g) + Ca(OH)2 = CaCO3 + H2O(g)
KH2PO4 + H2O = KOH + H3PO4 =>
KH2PO4 + H2O = KOH + H3PO4
BaCl2 + I = BaI2 + Cl =>
BaCl2 + 2 I = BaI2 + 2 Cl
CuS + NaOH = Cu(OH)2 + Na2S =>
CuS + 2 NaOH = Cu(OH)2 + Na2S
HC3H2O3 + NaOH = H2O + NaC3H2O3 =>
HC3H2O3 + NaOH = H2O + NaC3H2O3
O + Na = NaO =>
O + Na = NaO
Rb + P = Rb3P =>
3 Rb + P = Rb3P
CaCO3 + C2H5COOH = CO2 + H2O + Ca(C2H5COO)2 =>
CaCO3 + 2 C2H5COOH = CO2 + H2O + Ca(C2H5COO)2
BH4{-} + CCl3CH(OH)2 + H{+} = BH3 + CCl3CH2OH + H2O =>
BH4{-} + CCl3CH(OH)2 + H{+} = BH3 + CCl3CH2OH + H2O
Zn3(PO4)2 + LiCl = ZnCl2 + Li3PO4 =>
Zn3(PO4)2 + 6 LiCl = 3 ZnCl2 + 2 Li3PO4
Cu2S + MnO4{-} + H{+} = Cu2{+} + Mn2{+} + SO42{-} + H2O =>
13 Cu2S + 168 MnO4{-} + 252 H{+} = 13 Cu2{+} + 84 Mn2{+} + 13 SO42{-} + 126 H2O
K2[Hg(SCN)4] + CoCl2 = KCl + Co(SCN)2 + Hg(SCN)2 =>
K2[Hg(SCN)4] + CoCl2 = 2 KCl + Co(SCN)2 + Hg(SCN)2
HgO = Hg + O2 = Al + O2 =>
2 HgO = 2 Hg + O2
H2NCH2COOH + HCl = H3NCH2COOCl + H2 =>
2 H2NCH2COOH + 2 HCl = 2 H3NCH2COOCl + H2
FeCl3 + K4[Fe(Cn)6] = KFe[Fe(Cn)6] + KCl =>
FeCl3 + K4[Fe(Cn)6] = KFe[Fe(Cn)6] + 3 KCl
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Équations équilibrées sur12/20/24
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