| Équations équilibrées la veille |
*2Ca(OH)2 + 4 CO2 = 2 Ca(HCO3)2
ZnOZn + HNO3 = O3NZnNO3 + H2NNO3H2 + HOH =>
4 ZnOZn + 18 HNO3 = 8 O3NZnNO3 + H2NNO3H2 + 7 HOH
CH2OHCH2OH + K2Cr2O7 + H2SO4 = COOHCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH2OHCH2OH + 4 K2Cr2O7 + 16 H2SO4 = 3 COOHCOOH + 4 Cr2(SO4)3 + 4 K2SO4 + 22 H2O
Cr2O7{2-} + I{-} + H{+} = Cr{3+} + IO3{-} + H2O =>
Cr2O7{2-} + I{-} + 8 H{+} = 2 Cr{3+} + IO3{-} + 4 H2O
Na2B4O7 + H2O = H2B4O7 + NaOH =>
Na2B4O7 + 2 H2O = H2B4O7 + 2 NaOH
AgClO3 + K2CO3 = KClO3 + Ag2CO3 =>
2 AgClO3 + K2CO3 = 2 KClO3 + Ag2CO3
Ni2(SO4)3 + Zn = Zn(SO4) + Ni =>
Ni2(SO4)3 + 3 Zn = 3 Zn(SO4) + 2 Ni
Fe2O3 + HNO3 = Fe[NO3]3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe[NO3]3 + 3 H2O
I2 + BaCl2 = BaI2 + Cl2 =>
I2 + BaCl2 = BaI2 + Cl2
ZnSO4 + NaOH = [ZnOH]NaSO4 =>
ZnSO4 + NaOH = [ZnOH]NaSO4
As2S3 + H2O2 + (NH4)2CO3 = (NH4)3AsO4 + (NH4)2SO2 + H2O + CO2 =>
As2S3 + 8 H2O2 + 6(NH4)2CO3 = 2(NH4)3AsO4 + 3(NH4)2SO2 + 8 H2O + 6 CO2
NO2 + CH = N2 + CO2 + H2O =>
10 NO2 + 8 CH = 5 N2 + 8 CO2 + 4 H2O
Nd2(C2O4)3 + NaOH = Nd(OH)3 + Na2(C2O4) =>
Nd2(C2O4)3 + 6 NaOH = 2 Nd(OH)3 + 3 Na2(C2O4)
Na2Cr2O7 + NH4Cl = NaCl + (NH4)2Cr2O7 =>
Na2Cr2O7 + 2 NH4Cl = 2 NaCl + (NH4)2Cr2O7
HCOH = C6H12O6 =>
6 HCOH = C6H12O6
Na2Co3 + Ba(OH)2 = Na2(OH)2 + BaCo3 =>
Na2Co3 + Ba(OH)2 = Na2(OH)2 + BaCo3
HCO3 = CO2 + O2 + H2 =>
2 HCO3 = 2 CO2 + O2 + H2
Sn(s) + CuSO4(aq) = Cu(s) + Sn(SO4)2(aq) =>
Sn(s) + 2 CuSO4(aq) = 2 Cu(s) + Sn(SO4)2(aq)
CaSO4 + NaBr = CaBr + Br2 + Na2SO4 =>
2 CaSO4 + 4 NaBr = 2 CaBr + Br2 + 2 Na2SO4
CH3COOH + H2SO4 = CH3COOSO4 + H2 =>
2 CH3COOH + 2 H2SO4 = 2 CH3COOSO4 + 3 H2
KCrO4 + K2BrO3 = KBrO3 + K2CrO4 =>
KCrO4 + K2BrO3 = KBrO3 + K2CrO4
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
Mn + PO4 = Mn3PO4 =>
3 Mn + PO4 = Mn3PO4
O2 + Cu(NO3)2 + Na2CO3 = NaCu2O4 + CO2 + NaNO3 =>
3 O2 + 8 Cu(NO3)2 + 10 Na2CO3 = 4 NaCu2O4 + 10 CO2 + 16 NaNO3
MgO + OH{-} = MgO2H + e =>
MgO + OH{-} = MgO2H + e
BaCO3 + HCl = H2O + BaCl2 + CO2 =>
BaCO3 + 2 HCl = H2O + BaCl2 + CO2
Pb(OH)2 + Fe(NO3)2 = Fe(OH)2 + Pb(NO3)2 =>
Pb(OH)2 + Fe(NO3)2 = Fe(OH)2 + Pb(NO3)2
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
C5H10 + KMnO4 + H2O = C5H10OH + KOH + MnO2 =>
3 C5H10 + KMnO4 + 2 H2O = 3 C5H10OH + KOH + MnO2
Na(s) + H2SO4(aq) = Na2SO4(aq) + H2(g) =>
2 Na(s) + H2SO4(aq) = Na2SO4(aq) + H2(g)
CH3CO2Na + HCl = HNa + CH3CO2Cl =>
CH3CO2Na + HCl = HNa + CH3CO2Cl
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
ZnCl2(aq) + KOH(aq) = Zn(OH)2 + KCl(aq) =>
ZnCl2(aq) + 2 KOH(aq) = Zn(OH)2 + 2 KCl(aq)
La2O3 + MnO + ReO3 = La4Mn3ReO12 =>
2 La2O3 + 3 MnO + ReO3 = La4Mn3ReO12
H2SO4 + Zn = S + H2O + ZnO =>
H2SO4 + 3 Zn = S + H2O + 3 ZnO
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
(C9H20) + O2 = CO2 + H2O =>
(C9H20) + 14 O2 = 9 CO2 + 10 H2O
Ca + NiCl2 = CaCl2 + Ni =>
Ca + NiCl2 = CaCl2 + Ni
CO + H2O = CH6 + O2 =>
CO + 3 H2O = CH6 + 2 O2
C7H13N + O2 = CO2 + H2O + N2 =>
4 C7H13N + 41 O2 = 28 CO2 + 26 H2O + 2 N2
Ac + H2O = AcOH + H =>
Ac + H2O = AcOH + H
[Cu(H2O)6] + Cl = CuCl + H2O =>
[Cu(H2O)6] + Cl = CuCl + 6 H2O
RbBr + Pb(SO4)2 = Rb2(SO4) + PbBr4 =>
4 RbBr + Pb(SO4)2 = 2 Rb2(SO4) + PbBr4
Ba + Ni3P3O6 = Ba3P2 + O + Ni =>
9 Ba + 2 Ni3P3O6 = 3 Ba3P2 + 12 O + 6 Ni
FeSO4 + KI3 = FeI3 + KSO4 =>
FeSO4 + KI3 = FeI3 + KSO4
K2CO3 + HS = CO2 + KS + H2O =>
K2CO3 + 2 HS = CO2 + 2 KS + H2O
Co2NO3 + NaOH = Co2OHNaNO3 =>
Co2NO3 + NaOH = Co2OHNaNO3
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
FeS2 + NO3{-} + H{+} = Fe3{+} + SO4{2-} + NO + H2O =>
9 FeS2 + 37 NO3{-} + 4 H{+} = 3 Fe3{+} + 18 SO4{2-} + 37 NO + 2 H2O
Fe2O3 + Na2SO4 = Fe2(SO4)3 + Na2O =>
Fe2O3 + 3 Na2SO4 = Fe2(SO4)3 + 3 Na2O
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