| Équations équilibrées la veille | Équations équilibrées le lendemain |
Sn + 4 HNO3 = Sn(NO3)2 + 2 NO2 + 2 H2O
C5H8 + O2 = CO2 + H2O =>
C5H8 + 7 O2 = 5 CO2 + 4 H2O
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
Pt + HCl + HNO3 = H2PtCl6 + NO2 + H2O =>
Pt + 6 HCl + 4 HNO3 = H2PtCl6 + 4 NO2 + 4 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
K2Cr2O7 + Na2SO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + Na2SO4 =>
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 4 H2O + 3 Na2SO4
BaS(aq) + NH4Cl(aq) = BaCl + (NH4)S =>
BaS(aq) + NH4Cl(aq) = BaCl + (NH4)S
NO3{-} + H{+} + Pb = Pb{2+} + NO2 + H2O =>
2 NO3{-} + 4 H{+} + Pb = Pb{2+} + 2 NO2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KI + H2SO4 = I2 + S + K2SO4 + H2O =>
6 KI + 4 H2SO4 = 3 I2 + S + 3 K2SO4 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KClO3 + KI + H2SO4 = K2SO4 + KCl + I2 + H2O =>
KClO3 + 6 KI + 3 H2SO4 = 3 K2SO4 + KCl + 3 I2 + 3 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Ni + HCl = H2 + NiCl3 =>
2 Ni + 6 HCl = 3 H2 + 2 NiCl3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
BaS(aq) + NH4Cl(aq) = BaCl(aq) + (NH4)S(s) =>
BaS(aq) + NH4Cl(aq) = BaCl(aq) + (NH4)S(s)
ZnCO3(s) = ZnO(s) + CO2(g) =>
ZnCO3(s) = ZnO(s) + CO2(g)
Sn + HNO3 = Sn(NO3)2 + N2 + H2O =>
5 Sn + 12 HNO3 = 5 Sn(NO3)2 + N2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2O2 = H20 + O2 =>
10 H2O2 = H20 + 10 O2
Fe + CuSO2 = Cu + FeSO2 =>
Fe + CuSO2 = Cu + FeSO2
HCl + CACO3 = CACl2 + H2O + CO2 =>
2 HCl + CACO3 = CACl2 + H2O + CO2
AgCl + KBr = AgBr + KCl =>
AgCl + KBr = AgBr + KCl
ClO2 + H2O = ClO3 + HCl =>
7 ClO2 + H2O = 5 ClO3 + 2 HCl
I2 + H2O2 = HIO3 + H2O =>
I2 + 5 H2O2 = 2 HIO3 + 4 H2O
Cl2O5 + H2O = HClO3 =>
Cl2O5 + H2O = 2 HClO3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cu2O + Cu2S = Cu + SO2 =>
2 Cu2O + Cu2S = 6 Cu + SO2
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
Na2Co3 + NaOh = Na2Oh + NaCo3 =>
Na2Co3 + NaOh = Na2Oh + NaCo3
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Fe + CuCl = FeCl + Cu =>
Fe + CuCl = FeCl + Cu
NaCl + K3Fe(CN)6 = NaCN + K3FeCl6 =>
6 NaCl + K3Fe(CN)6 = 6 NaCN + K3FeCl6
NaF + Cl2 = F + NaCl =>
2 NaF + Cl2 = 2 F + 2 NaCl
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + KHSO4 + MnSO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 9 H2SO4 = 5 Fe2(SO4)3 + 2 KHSO4 + 2 MnSO4 + 8 H2O
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
CuCl2 + H2O + SO2 = CuCl + HCl + H2SO4 =>
2 CuCl2 + 2 H2O + SO2 = 2 CuCl + 2 HCl + H2SO4
BaS + NH4Cl = BaCl2 + (NH4)2S =>
BaS + 2 NH4Cl = BaCl2 + (NH4)2S
CaC2 + H2O = C2H2 + CaO =>
CaC2 + H2O = C2H2 + CaO
NaBH4 + H2O = NaOH + H2 + H3BO3 =>
NaBH4 + 4 H2O = NaOH + 4 H2 + H3BO3
Pb + NaOH + H2O = Na2[Pb(OH)4] + H2 =>
Pb + 2 NaOH + 2 H2O = Na2[Pb(OH)4] + H2
Al2O3 + FeSO4 + H2O = Al2(SO4)3 + Fe2O3 + H2 =>
2 Al2O3 + 6 FeSO4 + 3 H2O = 2 Al2(SO4)3 + 3 Fe2O3 + 3 H2
FeCl3 + KI = FeCl2 + I2 + KCl =>
2 FeCl3 + 2 KI = 2 FeCl2 + I2 + 2 KCl
KO2 + H20 = KOH + O2 =>
20 KO2 + H20 = 20 KOH + 10 O2
C2H2 + CO2 = CO + H2O =>
C2H2 + 3 CO2 = 5 CO + H2O
Ca + H2SO4 = CaSO4 + H20 =>
10 Ca + 10 H2SO4 = 10 CaSO4 + H20
CuCl + SO2 + HCl = CuCl2 + H2O + S =>
4 CuCl + SO2 + 4 HCl = 4 CuCl2 + 2 H2O + S
Sn + NaOH + H2O = Na2[Sn(OH)4] + H2 =>
Sn + 2 NaOH + 2 H2O = Na2[Sn(OH)4] + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/26/17
Équations équilibrées sur05/26/16
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