| Équations équilibrées la veille |
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
HC = CH =>
HC = CH
Ti(s) + O2(g) = Ti2O3(s) =>
4 Ti(s) + 3 O2(g) = 2 Ti2O3(s)
CoCl2 + Na2CO3 = CoCO3 + NaCl =>
CoCl2 + Na2CO3 = CoCO3 + 2 NaCl
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
KMgO4 + HCl = KCl + MgCl2 + H2O + Cl =>
KMgO4 + 8 HCl = KCl + MgCl2 + 4 H2O + 5 Cl
H{+} + CrO4{-2} + NO2{-} = Cr{3+} + H2O + NO3{-} =>
10 H{+} + 2 CrO4{-2} + 3 NO2{-} = 2 Cr{3+} + 5 H2O + 3 NO3{-}
Zn + FeS = ZnS + Fe =>
Zn + FeS = ZnS + Fe
V + O2 = V2O5 =>
4 V + 5 O2 = 2 V2O5
P2 = P4 =>
2 P2 = P4
Au(s) + O2(g) = Au2O3(s) =>
4 Au(s) + 3 O2(g) = 2 Au2O3(s)
P4 + NaOH + H2O = PH3 + Na2HPO4 =>
2 P4 + 6 NaOH + 6 H2O = 5 PH3 + 3 Na2HPO4
Na2CO3 + Cu(OH)2 = CuCO3 + NaOH =>
Na2CO3 + Cu(OH)2 = CuCO3 + 2 NaOH
Zn + O2 = Zn2{+} + O{2-} =>
8 Zn + O2 = 4 Zn2{+} + 2 O{2-}
CaSO3 + HBr = H2SO3 + CaBr2 =>
CaSO3 + 2 HBr = H2SO3 + CaBr2
NaNO3 + Cu2SO4 = Na2SO4 + CuNO3 =>
2 NaNO3 + Cu2SO4 = Na2SO4 + 2 CuNO3
Zn + Cu(SO3)2 = Zn(SO3)2 + Cu =>
Zn + Cu(SO3)2 = Zn(SO3)2 + Cu
Na2S + H2SO4 = H2S + H2O + NaSO4 =>
4 Na2S + 9 H2SO4 = 5 H2S + 4 H2O + 8 NaSO4
LiS + H2O = HLiS + OH =>
LiS + H2O = HLiS + OH
MgS + HI = MgI2 + H2S =>
MgS + 2 HI = MgI2 + H2S
KMnO4 + Fe3O4 = K2O + MnO + Fe2O3 =>
2 KMnO4 + 10 Fe3O4 = K2O + 2 MnO + 15 Fe2O3
R = R2 =>
2 R = R2
Pb(OH)3 + HBr = PbBr3 + H2O =>
Pb(OH)3 + 3 HBr = PbBr3 + 3 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Ga + Se = Ga2Se3 =>
2 Ga + 3 Se = Ga2Se3
C17H21NO4 + O2 = CO2 + H2O + N =>
4 C17H21NO4 + 81 O2 = 68 CO2 + 42 H2O + 4 N
NH4CO3 = NH3 + HCO3 =>
NH4CO3 = NH3 + HCO3
MoO2 + Li2MoO4 + MoO3 = LiMo6O17 =>
3 MoO2 + Li2MoO4 + 8 MoO3 = 2 LiMo6O17
CH3(CH)2(CH2)2CH3 + O2 = H2O + CO2 =>
CH3(CH)2(CH2)2CH3 + 9 O2 = 6 H2O + 6 CO2
MgSO4*3H2O = MgSO4 + H2O =>
MgSO4*3H2O = MgSO4 + 3 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
FeS2 + O2 = Fe2O3 + SO4 =>
4 FeS2 + 19 O2 = 2 Fe2O3 + 8 SO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
H2O2 + H2SO4 + KI = I2K2SO4 + H2O =>
H2O2 + H2SO4 + 2 KI = I2K2SO4 + 2 H2O
Ga + H2 = Ga2H6 =>
2 Ga + 3 H2 = Ga2H6
Bi2(SO4)3 + KI = BiI3 + K2SO4 =>
Bi2(SO4)3 + 6 KI = 2 BiI3 + 3 K2SO4
NaPO3 + Co(NO3)2 = NaCoPO4 + NO2 + O2 =>
2 NaPO3 + 2 Co(NO3)2 = 2 NaCoPO4 + 4 NO2 + O2
FeCO3 + H2O = Fe(OH)2 + CO2 =>
FeCO3 + H2O = Fe(OH)2 + CO2
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
C2H6(g) + O2(g) = CO2(g) + H2O =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Ba(NO3)2 + Na2CrO4 = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe1 + Cl2 = Fe1Cl3 =>
2 Fe1 + 3 Cl2 = 2 Fe1Cl3
Mg(OH)2 + CO2 = MgCO2 + OH =>
Mg(OH)2 + CO2 = MgCO2 + 2 OH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
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Équations équilibrées sur11/15/24
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