Équations équilibrées la veille |
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
KMnO4 + H2C2O4 + H2SO4 = K2SO + MnSO4 + CO2 + H2O =>
2 KMnO4 + 8 H2C2O4 + 3 H2SO4 = K2SO + 2 MnSO4 + 16 CO2 + 11 H2O
H2(g) + O2(g) = H2O(l)* =>
2 H2(g) + O2(g) = 2 H2O(l)*
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Al + BaI2 = Ba + AlI3 =>
2 Al + 3 BaI2 = 3 Ba + 2 AlI3
SiF4 + H2O + KCl = Si(OH)4 + K2SiF6 + HCl =>
3 SiF4 + 4 H2O + 4 KCl = Si(OH)4 + 2 K2SiF6 + 4 HCl
NaF + HBr = HF + NaBr =>
NaF + HBr = HF + NaBr
C4H6 + Na = C4H5Na + H2 =>
2 C4H6 + 2 Na = 2 C4H5Na + H2
HgOH + H2S = Hg2S + H2O =>
2 HgOH + H2S = Hg2S + 2 H2O
K2CO3 + BaCl2 = KCl + BaCO3 =>
K2CO3 + BaCl2 = 2 KCl + BaCO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Li3P = Li + P3 =>
3 Li3P = 9 Li + P3
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Ca + H3BO3 = Ca3(BO3)2 + H2 =>
3 Ca + 2 H3BO3 = Ca3(BO3)2 + 3 H2
Ba + As = Ba3As2 =>
3 Ba + 2 As = Ba3As2
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
KCl2 + CH2Cl2 + Br = KCl4 + CH2Br =>
KCl2 + CH2Cl2 + Br = KCl4 + CH2Br
Ba + As = Ba3As2 =>
3 Ba + 2 As = Ba3As2
CoCO3 = CoO + CO2 =>
CoCO3 = CoO + CO2
K[Al(OH)4] + SO2 = Al(OH)3 + K2SO3 + H2O =>
2 K[Al(OH)4] + SO2 = 2 Al(OH)3 + K2SO3 + H2O
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
KMnO4 + Na2SO3 + H2O = MnO2 + KOH + Na2SO4 =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 2 KOH + 3 Na2SO4
Li + Al2(SO4)3 = Li2SO4 + Al =>
6 Li + Al2(SO4)3 = 3 Li2SO4 + 2 Al
FeCO3 + HCl = FeCl2 + H2CO3 =>
FeCO3 + 2 HCl = FeCl2 + H2CO3
NaOH(aq)H2So4(aq) + NaOH(aq) = Na2So4(aq) + H2O(aq) =>
NaOH(aq)H2So4(aq) + NaOH(aq) = Na2So4(aq) + 2 H2O(aq)
C7H14 + Br2 = C7H14Br2 =>
C7H14 + Br2 = C7H14Br2
Ba + As = Ba3As2 =>
3 Ba + 2 As = Ba3As2
H2C2O4 + KOH = H2O + CO2 + K =>
H2C2O4 + 2 KOH = 2 H2O + 2 CO2 + 2 K
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
HCHO + CuO = HCOOH + Cu2O =>
HCHO + 2 CuO = HCOOH + Cu2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
I2 + P4 = PI5 =>
10 I2 + P4 = 4 PI5
KMnO4 + H2C2O4 + H2SO4 = K2SO + MnSO4 + CO2 + H2O =>
2 KMnO4 + 8 H2C2O4 + 3 H2SO4 = K2SO + 2 MnSO4 + 16 CO2 + 11 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C15H26O10 + O2 = CO2 + H2O =>
2 C15H26O10 + 33 O2 = 30 CO2 + 26 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
C2H12 + O2 = CO2 + H2O =>
C2H12 + 5 O2 = 2 CO2 + 6 H2O
Ba(BrO4)2 + MnCl2 + Ba(OH)2 = BaBr2 + BaMnO4 + BaCl2 + H2O =>
Ba(BrO4)2 + 4 MnCl2 + 8 Ba(OH)2 = BaBr2 + 4 BaMnO4 + 4 BaCl2 + 8 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
Cr2(SO4)3 + NaOH = Cr(OH)SO4 + Na2SO4 =>
Cr2(SO4)3 + 2 NaOH = 2 Cr(OH)SO4 + Na2SO4
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
HClO4 = Cl2O7 + H2O =>
2 HClO4 = Cl2O7 + H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
H2CO3 + FeO = H2O + FeCO3 =>
H2CO3 + FeO = H2O + FeCO3
HClO4 = Cl2 + O2 + H2O =>
4 HClO4 = 2 Cl2 + 7 O2 + 2 H2O
Br2 + NH4OH = NH4Br + N2 + H2O =>
3 Br2 + 8 NH4OH = 6 NH4Br + N2 + 8 H2O
HC2H3O2 + Na2H2CO3 = NaC2H3O2 + H2O + CO2 =>
7 HC2H3O2 + 4 Na2H2CO3 = 8 NaC2H3O2 + 6 H2O + 2 CO2
Mn + SnO2 = MnO + MnSn2 =>
5 Mn + 2 SnO2 = 4 MnO + MnSn2
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