| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 MnSO4 + 2 Na2CO3 + 3 O2 = 2 CO2 + 2 NaSO4 + 2 NaMnO4
Ni + HNO3 = Ni(NO3)2 + H2O + NO2 =>
Ni + 4 HNO3 = Ni(NO3)2 + 2 H2O + 2 NO2
HNO3 + C6H12O6 = C6H12O7 + NO2 + H2O =>
2 HNO3 + C6H12O6 = C6H12O7 + 2 NO2 + H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Zn + S = ZnS =>
Zn + S = ZnS
CH3NH2 + O2 = CO2 + N2 + H20 =>
4 CH3NH2 + 4 O2 = 4 CO2 + 2 N2 + H20
CH3NH2 + O2 = CO2 + N2 + H2O =>
4 CH3NH2 + 9 O2 = 4 CO2 + 2 N2 + 10 H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
H2 + P = PH3 =>
3 H2 + 2 P = 2 PH3
Cr2O3 + KOH = Cr(OH)3 + K2O =>
Cr2O3 + 6 KOH = 2 Cr(OH)3 + 3 K2O
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
H2 + S = H2S =>
H2 + S = H2S
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Cr2O3 + Br2 = Br2O + Cr =>
Cr2O3 + 3 Br2 = 3 Br2O + 2 Cr
Cu + CuCl2 = CuCl =>
Cu + CuCl2 = 2 CuCl
MgCl2 + KNO3 = MgNO3 + KCl2 =>
MgCl2 + KNO3 = MgNO3 + KCl2
O2 = O3 =>
3 O2 = 2 O3
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2
As + H2 = AsH3 =>
2 As + 3 H2 = 2 AsH3
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
Pb + FeCl3 = PbCl3 + Fe =>
Pb + FeCl3 = PbCl3 + Fe
Sb + O2 = Sb2O3 =>
4 Sb + 3 O2 = 2 Sb2O3
HNO3 + NaH = NaNO3 + H2O + NO =>
5 HNO3 + 3 NaH = 3 NaNO3 + 4 H2O + 2 NO
CH3CH2CH2CH2OH + NaOH = CH3CH2CH2CH2ONa + H2O =>
CH3CH2CH2CH2OH + NaOH = CH3CH2CH2CH2ONa + H2O
CH3OH + K = CH3OK + H2 =>
2 CH3OH + 2 K = 2 CH3OK + H2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
As2O3 + VO2{+} + H{+} = As2O5 + VO{2+} + H2O =>
As2O3 + 4 VO2{+} + 4 H{+} = As2O5 + 4 VO{2+} + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
HIO3(aq) + H2SO3(aq) = I2(g) + H2SO4(aq) + H2O(l) =>
2 HIO3(aq) + 5 H2SO3(aq) = I2(g) + 5 H2SO4(aq) + H2O(l)
C2H2 + O2 = CO2 + H20 =>
10 C2H2 + 20 O2 = 20 CO2 + H20
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
Cu + HNO3 = Cu(NO3) + NO + H2O =>
3 Cu + 4 HNO3 = 3 Cu(NO3) + NO + 2 H2O
Zn + H2S2O7 = ZnS2O7 + H2S + H2O =>
8 Zn + 9 H2S2O7 = 8 ZnS2O7 + 2 H2S + 7 H2O
K2CrO7 + SNCl + HCl = CrCl3 + SNCl4 + KCl + H2O =>
K2CrO7 + 3 SNCl + 14 HCl = CrCl3 + 3 SNCl4 + 2 KCl + 7 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CH4(g) + O2(g) = CO2(g) + H2O(l) =>
CH4(g) + 2 O2(g) = CO2(g) + 2 H2O(l)
CuCO3 + HCl = CuCl2 + H2O + CO2 =>
CuCO3 + 2 HCl = CuCl2 + H2O + CO2
KMnO4 + KI = MnO2 + I2 + KO =>
2 KMnO4 + 2 KI = 2 MnO2 + I2 + 4 KO
Na + HNO3 = NaNO3 + H2O + N2O =>
8 Na + 10 HNO3 = 8 NaNO3 + 5 H2O + N2O
MgCO3 + H2SO4 = MgSO4 + H2O + CO2 =>
MgCO3 + H2SO4 = MgSO4 + H2O + CO2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Na2CO3 + C + N2 = NaCN + CO =>
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
CH3CH2OH + I2 + NaOH = CHI3 + HCOONa + HI =>
CH3CH2OH + 4 I2 + NaOH = CHI3 + HCOONa + 5 HI
Zn + H2S2O7 = ZnS2O7 + H2S + H2O =>
8 Zn + 9 H2S2O7 = 8 ZnS2O7 + 2 H2S + 7 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
H3PO3 = PH3 + P2O5 + H2O =>
8 H3PO3 = 2 PH3 + 3 P2O5 + 9 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/04/16
Équations équilibrées sur03/05/15
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