| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
SICl4 = SI + Cl2 =>
SICl4 = SI + 2 Cl2
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
HC2H3O2 + KOH = KC2H3O2 + HOH =>
HC2H3O2 + KOH = KC2H3O2 + HOH
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
H2S + HNO3 = H2SO4 + H2O + NO =>
3 H2S + 8 HNO3 = 3 H2SO4 + 4 H2O + 8 NO
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
HCl + O2 = Cl2 + H2O =>
4 HCl + O2 = 2 Cl2 + 2 H2O
K + N2 = K3N =>
6 K + N2 = 2 K3N
CaO(s) + C(s) = CaC2(s) + CO2(g) =>
2 CaO(s) + 5 C(s) = 2 CaC2(s) + CO2(g)
IO3{-} + SO32{-} + H{+} = I2 + SO42{-} + H2O =>
4 IO3{-} + SO32{-} + 4 H{+} = 2 I2 + SO42{-} + 2 H2O
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
CH3CH2OH + O = CO2 + H2O =>
CH3CH2OH + 6 O = 2 CO2 + 3 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
GaBr2 + Cl2 = GaCl3 + Br2 =>
2 GaBr2 + 3 Cl2 = 2 GaCl3 + 2 Br2
Cu3N2 + AgCl = CuCl2 + Ag3N =>
Cu3N2 + 6 AgCl = 3 CuCl2 + 2 Ag3N
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Fe + S8 = FeS2 =>
4 Fe + S8 = 4 FeS2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KCl + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Cl2 + H2O =>
10 KCl + 2 KMnO4 + 8 H2SO4 = 6 K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
CH4 + S8 = CS2 + H2S =>
2 CH4 + S8 = 2 CS2 + 4 H2S
Na + H2O = NaOH + H22 =>
22 Na + 22 H2O = 22 NaOH + H22
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cr2(SO4)3 + KMnO4 + H20 = H2Cr2O7 + H2SO4 + MnSO4 + K2SO4 =>
80 Cr2(SO4)3 + 140 KMnO4 + 11 H20 = 80 H2Cr2O7 + 30 H2SO4 + 140 MnSO4 + 70 K2SO4
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
MgCl2 + Ca3(PO4)2 = Mg3(PO4)2 + CaCl2 =>
3 MgCl2 + Ca3(PO4)2 = Mg3(PO4)2 + 3 CaCl2
Zn + Ni2SO4 = Ni2 + ZnSO4 =>
Zn + Ni2SO4 = Ni2 + ZnSO4
Na + N2 = NaN2 =>
Na + N2 = NaN2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
NaClO3 = NaClO + O2 =>
NaClO3 = NaClO + O2
HCL + AS2O3 + NANO3 + H2O = NO + H3ASO4 + NACL =>
2 HCL + 3 AS2O3 + 5 NANO3 + 8 H2O = 8 NO + 6 H3ASO4 + 2 NACL
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/11/17
Équations équilibrées sur12/11/16
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