| Équations équilibrées la veille |
2 HCCH + H2 = 2 HCCH2
(Zn(NH3)4)SO4 + KCNS = K2(Zn(CNS)4) + K2SO4 + NH3 =>
(Zn(NH3)4)SO4 + 4 KCNS = K2(Zn(CNS)4) + K2SO4 + 4 NH3
CrBr3 + NaOH + Cl = Na2CrO4 + NaBrO4 + NaCl + H2O =>
CrBr3 + 32 NaOH + 27 Cl = Na2CrO4 + 3 NaBrO4 + 27 NaCl + 16 H2O
K3Fe(CN)6 + Pb(NO3)2 = KNO3 + Pb3(Fe(CN)6)2 =>
2 K3Fe(CN)6 + 3 Pb(NO3)2 = 6 KNO3 + Pb3(Fe(CN)6)2
Ag(NO3)2 = AgNO2 + NO + O2 =>
2 Ag(NO3)2 = 2 AgNO2 + 2 NO + 3 O2
Mn{2+} + S2O8{2-} + OH{-} = MnO4{-} + SO4{2-} + H2O =>
2 Mn{2+} + 5 S2O8{2-} + 16 OH{-} = 2 MnO4{-} + 10 SO4{2-} + 8 H2O
K2Cr2O7 + Bi2O3 + KCl + HCl = KBiO3 + CrCl3 + H2O =>
2 K2Cr2O7 + 3 Bi2O3 + 2 KCl + 10 HCl = 6 KBiO3 + 4 CrCl3 + 5 H2O
AuCl3 + Cu = CuCl2 + Au =>
2 AuCl3 + 3 Cu = 3 CuCl2 + 2 Au
CCl4 + HCl = C2H6 + Cl2 =>
2 CCl4 + 6 HCl = C2H6 + 7 Cl2
NaNO3 + CrCl2 = NaCl + Cr(NO3)2 =>
2 NaNO3 + CrCl2 = 2 NaCl + Cr(NO3)2
As + NO3 = AsNO3 =>
As + NO3 = AsNO3
ReO4{-} + C2O4{2-} + OH{-} = ReO2 + CO3{2-} + H2O =>
2 ReO4{-} + 3 C2O4{2-} + 4 OH{-} = 2 ReO2 + 6 CO3{2-} + 2 H2O
CuCO3 + NaCN = NaCu(CN)2 + NaCO3 =>
CuCO3 + 2 NaCN = NaCu(CN)2 + NaCO3
KNO2 = K2O + NO + NO2 =>
2 KNO2 = K2O + NO + NO2
CuSiO3 + Al = CuSi + Al2O3 =>
CuSiO3 + 2 Al = CuSi + Al2O3
(NH4)2SO4 + Na(OH) = NH3 + Na2SO4 + H2O =>
(NH4)2SO4 + 2 Na(OH) = 2 NH3 + Na2SO4 + 2 H2O
CuSO4(aq) + HCl(aq) = CuCl2 + H2SO4 =>
CuSO4(aq) + 2 HCl(aq) = CuCl2 + H2SO4
Zn(NO3)2KOH = ZnOHK(NO3)2 =>
Zn(NO3)2KOH = ZnOHK(NO3)2
Eu2O3 + HCl + H2O = EuCl3*6H2O =>
Eu2O3 + 6 HCl + 9 H2O = 2 EuCl3*6H2O
Sr(OH)2(aq) + HI(aq) = SrI2(aq) + H2O =>
Sr(OH)2(aq) + 2 HI(aq) = SrI2(aq) + 2 H2O
NH4N2 + Ca = H2 + Ca3N2 =>
2 NH4N2 + 9 Ca = 4 H2 + 3 Ca3N2
I2O5 + CO(g) = CO2(g) + I2(g) =>
I2O5 + 5 CO(g) = 5 CO2(g) + I2(g)
Zn + H2O = Zn(O2H)2 + H2 =>
Zn + 4 H2O = Zn(O2H)2 + 3 H2
Zr(NO3)4 + H2O = ZrO(NO3)2 + HNO3 =>
Zr(NO3)4 + H2O = ZrO(NO3)2 + 2 HNO3
Al + KOH + H2O = KAl(OH)4 + H2 = H2O =>
2 Al + 2 KOH + 6 H2O = 2 KAl(OH)4 + 3 H2
Al2O3 + NH4H2PO4 = AlPO4 + NH3 + H2O =>
Al2O3 + 2 NH4H2PO4 = 2 AlPO4 + 2 NH3 + 3 H2O
SnF2 + Li2CO3 = LiF + SnCO3 =>
SnF2 + Li2CO3 = 2 LiF + SnCO3
MoO3 + HNO3 = MoO + NO3 + H2O =>
MoO3 + 4 HNO3 = MoO + 4 NO3 + 2 H2O
FeO + Al = Al2O3 + Fe =>
3 FeO + 2 Al = Al2O3 + 3 Fe
SnCl2 + Na2CO3 = Sn(CO3)2 + Na2Cl =>
SnCl2 + 2 Na2CO3 = Sn(CO3)2 + 2 Na2Cl
HIO3 + FeO(OH) = FeIO4 + H2O =>
HIO3 + FeO(OH) = FeIO4 + H2O
NaCN + Br2 = (CN)2 + NaBr =>
2 NaCN + Br2 = (CN)2 + 2 NaBr
CH3CBr3 + O2 = CO2 + HBr =>
CH3CBr3 + 2 O2 = 2 CO2 + 3 HBr
Cr4O = Cr + O =>
Cr4O = 4 Cr + O
Ti(s) + O2(g) = Ti2O3(g) =>
4 Ti(s) + 3 O2(g) = 2 Ti2O3(g)
CuBr2 + Zn = Cu + ZnBr2 =>
CuBr2 + Zn = Cu + ZnBr2
KI + Al(NO2)3 = KNO2 + AlI3 =>
3 KI + Al(NO2)3 = 3 KNO2 + AlI3
H2SO3 + NaOH = SO3 + NaOH3 =>
H2SO3 + NaOH = SO3 + NaOH3
HCl + Cr2(CO3)3 = H2CO3 + CrCl3 =>
6 HCl + Cr2(CO3)3 = 3 H2CO3 + 2 CrCl3
CH4 + Cu2O = H2O + CO + Cu =>
CH4 + 3 Cu2O = 2 H2O + CO + 6 Cu
Fe3P + HNO3 = Fe(NO3)3 + H3PO4 + NO + H2O =>
3 Fe3P + 41 HNO3 = 9 Fe(NO3)3 + 3 H3PO4 + 14 NO + 16 H2O
BaSO4(heat) = SO2 + O2 + Ba0 =>
BaSO4(heat) = SO2 + O2 + Ba0
NaOH + COCl = COOH + NaCl =>
NaOH + COCl = COOH + NaCl
Fe + Cl2 = Fe(Cl3)2 =>
Fe + 3 Cl2 = Fe(Cl3)2
FeCl3 + KI = FeI3(aq) + KCl(aq) =>
FeCl3 + 3 KI = FeI3(aq) + 3 KCl(aq)
NaOH + HCI = NaCI + (H)2(O) =>
NaOH + HCI = NaCI + (H)2(O)
As + NO3 = AsNO3 =>
As + NO3 = AsNO3
KMnO4 + H2SO4 + Na2S = K2SO4 + MnSO4 + NaOH + S =>
2 KMnO4 + 2 H2SO4 + 2 Na2S = K2SO4 + 2 MnSO4 + 4 NaOH + S
Al + H2O + NaOH = H2 + NaAlO2 =>
2 Al + 2 H2O + 2 NaOH = 3 H2 + 2 NaAlO2
CaCO3(s) = CO2(g)CaO(s) =>
CaCO3(s) = CO2(g)CaO(s)
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Équations équilibrées sur12/21/24
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