| Équations équilibrées la veille |
2 MnO2 + 3 Cl2 + 8 NaOH = 2 NaMnO4 + 6 NaCl + 4 H2O
CaCO3(s) + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3(s) + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
CaNO3 = CaNO2 + O =>
CaNO3 = CaNO2 + O
LiOH = Li + OH =>
LiOH = Li + OH
C19H40 + O2 = CO2 + H2O =>
C19H40 + 29 O2 = 19 CO2 + 20 H2O
SO2 + NaIO3 + H2O = I2 + NaSO4 + H2SO4 =>
4 SO2 + 2 NaIO3 + 2 H2O = I2 + 2 NaSO4 + 2 H2SO4
NaCl(aq) + ZnSO4(aq) = Na2SO4 + ZnCl2 =>
2 NaCl(aq) + ZnSO4(aq) = Na2SO4 + ZnCl2
Zn + Mg3(PO4)2 = Zn3(PO4) + Mg =>
6 Zn + Mg3(PO4)2 = 2 Zn3(PO4) + 3 Mg
C2H5(OH)3 + O2 = CO + H2O =>
2 C2H5(OH)3 + 3 O2 = 4 CO + 8 H2O
NaAu(CN)2 + Zn = NaCN + Zn(CN)2 + Au =>
2 NaAu(CN)2 + Zn = 2 NaCN + Zn(CN)2 + 2 Au
Zn + NHO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 NHO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
K2Cr2O7 + AgNO3 + H2O = Ag2CrO4 + KNO3 + H2CrO4 =>
K2Cr2O7 + 2 AgNO3 + H2O = Ag2CrO4 + 2 KNO3 + H2CrO4
K2MnO4 = MnO2 + K2O + O2 =>
2 K2MnO4 = 2 MnO2 + 2 K2O + O2
NH3 + NiSO4 = Ni(NH3)2 + SO4 =>
2 NH3 + NiSO4 = Ni(NH3)2 + SO4
(NH4)2SO4 + Na2SiO3 = Na2SO4 + (NH4)2SiO3 =>
(NH4)2SO4 + Na2SiO3 = Na2SO4 + (NH4)2SiO3
Cu + C6H8O7 = C6H8CuO7 =>
Cu + C6H8O7 = C6H8CuO7
AlN + HCl = AlCl3 + H3N =>
AlN + 3 HCl = AlCl3 + H3N
Ca(No3)2(aq) + Na2Co3(aq) = CaCo3(s) + NaNo3(aq) =>
Ca(No3)2(aq) + Na2Co3(aq) = CaCo3(s) + 2 NaNo3(aq)
Na + C2Cl6 = NaCl + C2Cl2 =>
4 Na + C2Cl6 = 4 NaCl + C2Cl2
C3H7OH + Cr2O7{2-} + H{+} = C2H5CHO + Cr{3+} + H2O =>
3 C3H7OH + Cr2O7{2-} + 8 H{+} = 3 C2H5CHO + 2 Cr{3+} + 7 H2O
H2SO3 + MnO4{-} = SO4{-2} + Mn{+2} + H{+} + H2O =>
5 H2SO3 + 2 MnO4{-} = 5 SO4{-2} + 2 Mn{+2} + 4 H{+} + 3 H2O
C4H8 + H2O = C4H10O =>
C4H8 + H2O = C4H10O
CoS + HCl + KClO3 = CoCl2 + KCl + S + H2O =>
3 CoS + 6 HCl + KClO3 = 3 CoCl2 + KCl + 3 S + 3 H2O
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
C2H5Br + NH3 = C2H5NH2 + HBr =>
C2H5Br + NH3 = C2H5NH2 + HBr
HClO + Mn(OH)2 = Mn(ClO)2 + H2O =>
2 HClO + Mn(OH)2 = Mn(ClO)2 + 2 H2O
NH3 + CaCl2 + CO2 + H2O = CaCO3 + NH4Cl =>
2 NH3 + CaCl2 + CO2 + H2O = CaCO3 + 2 NH4Cl
FeBr3(aq) + Cl2(g) = FeCl3(aq) + Br2(l) =>
2 FeBr3(aq) + 3 Cl2(g) = 2 FeCl3(aq) + 3 Br2(l)
NaCl + MgO = Na2O + MgCl2 =>
2 NaCl + MgO = Na2O + MgCl2
Zn + AgI = ZnI + Ag =>
Zn + AgI = ZnI + Ag
C6H5C2H5 = C6H6 + C2H4 =>
C6H5C2H5 = C6H6 + C2H4
(COOH)2*2H2O + NaOH = (COO)2Na2 + H2O =>
(COOH)2*2H2O + 2 NaOH = (COO)2Na2 + 4 H2O
K + Cl + O = KClO4 =>
K + Cl + 4 O = KClO4
AI(s) + KOH(aq) + H2SO4(aq) + H2O(l) = KAI(SO4)2*12H2O(s) + H2(g) =>
2 AI(s) + 2 KOH(aq) + 4 H2SO4(aq) + 22 H2O(l) = 2 KAI(SO4)2*12H2O(s) + 3 H2(g)
CH3CH2OH + AgOH = CH3COOH + Ag + H2O =>
CH3CH2OH + 4 AgOH = CH3COOH + 4 Ag + 3 H2O
Pb(NO3)2 + NaSCN = PbSCN + Na(NO3)2 =>
Pb(NO3)2 + NaSCN = PbSCN + Na(NO3)2
F + I = FI3 =>
F + 3 I = FI3
KMnO4 + NO2 + KOH = K2MnO4 + KNO3 + H2O =>
KMnO4 + NO2 + 2 KOH = K2MnO4 + KNO3 + H2O
Sc2O3 + H2S = Sc2S3 + H2O =>
Sc2O3 + 3 H2S = Sc2S3 + 3 H2O
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
LiCl + H2O = HCl + Li2O =>
2 LiCl + H2O = 2 HCl + Li2O
Mg(s) + H2O(l) = MgO + H2 =>
Mg(s) + H2O(l) = MgO + H2
SO2 + K2Cr2O7 = Cr2(SO4)3 + SO3 + K2 =>
4 SO2 + K2Cr2O7 = Cr2(SO4)3 + SO3 + K2
C12H22O11 + Ca(OH)2 = C6H10CaO6 + H2O =>
C12H22O11 + 2 Ca(OH)2 = 2 C6H10CaO6 + 3 H2O
Fe2 + H2S = FeS + H =>
Fe2 + 2 H2S = 2 FeS + 4 H
(NH4)2CO3 + NaOH = Na2CO3 + NH4OH =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH4OH
CH3OCH3 = C5H10 + H2O =>
5 CH3OCH3 = 2 C5H10 + 5 H2O
I2 + Na2S2O3 + H2O = HI + NaHSO4 =>
4 I2 + Na2S2O3 + 5 H2O = 8 HI + 2 NaHSO4
Cd(NH3)4{2+} + H2S + H{+} = CdS + NH4{+} =>
Cd(NH3)4{2+} + H2S + 2 H{+} = CdS + 4 NH4{+}
Na3AsO3 + I2 + H2O = Na3AsO4 + HI =>
Na3AsO3 + I2 + H2O = Na3AsO4 + 2 HI
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Équations équilibrées sur10/23/24
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