| Équations équilibrées la veille |
Na2S(aq) + 2 KI(aq) = 2 NaI + K2S
Mn{2+} + BiO3{-} + H2O = Bi{2+} + MnO4{-} + OH{-} =>
3 Mn{2+} + 5 BiO3{-} + 3 H2O = 5 Bi{2+} + 3 MnO4{-} + 6 OH{-}
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
C2H6O + K2CrO7 + H2SO4 = C2H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
9 C2H6O + 4 K2CrO7 + 10 H2SO4 = 9 C2H4O2 + 2 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
MgCO3 + HCH3COO = Mg(CH3COO)2 + HOH + CO2 =>
MgCO3 + 2 HCH3COO = Mg(CH3COO)2 + HOH + CO2
H2S(aq) + Sr(OH)2(aq) = SrS(l) + H2O =>
H2S(aq) + Sr(OH)2(aq) = SrS(l) + 2 H2O
H2S + H{+} + Cr2O7{2-} = Cr{3+} + S + H2O =>
3 H2S + 8 H{+} + Cr2O7{2-} = 2 Cr{3+} + 3 S + 7 H2O
CH3CH2OH + Cr2O7{-}2 + H{+} = CH3COOH + Cr{+} + H2O =>
11 CH3CH2OH + 4 Cr2O7{-}2 + 12 H{+} = 11 CH3COOH + 8 Cr{+} + 17 H2O
Bi2S2 + HNO3 = Bi(NO3)3 + S + NO + H2O =>
Bi2S2 + 8 HNO3 = 2 Bi(NO3)3 + 2 S + 2 NO + 4 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
(KMnO4)6 = (K2MnO4)3 + (MnO2)2 + (O2)4 =>
4(KMnO4)6 = 4(K2MnO4)3 + 6(MnO2)2 + 3(O2)4
PbO + GeCl4 = GeO2 + PbCl2 =>
2 PbO + GeCl4 = GeO2 + 2 PbCl2
C6H7N + (HNO2) = (H2O) + C6H5 + N3O2 =>
C6H7N + 2(HNO2) = 2(H2O) + C6H5 + N3O2
KHC4H4O6 + HCl = KCl + HHC4H4O6 =>
KHC4H4O6 + HCl = KCl + HHC4H4O6
Ti(OH)4 + H2SiO3 = Ti2(SiO3)4 + H2O =>
2 Ti(OH)4 + 4 H2SiO3 = Ti2(SiO3)4 + 8 H2O
NaHCO3 + H2SO4 = Na2(SO4) + CO2 + H2O =>
2 NaHCO3 + H2SO4 = Na2(SO4) + 2 CO2 + 2 H2O
Mg(OH)2 = Mg + O + H2O =>
Mg(OH)2 = Mg + O + H2O
CaSO3 + Fe = FeSO3 + Ca =>
CaSO3 + Fe = FeSO3 + Ca
CH3NH2 + HI = CH3I + NH3 =>
CH3NH2 + HI = CH3I + NH3
Al + CuSO3 = Cu + AlSO3 =>
Al + CuSO3 = Cu + AlSO3
C2H6O2 + CO2 = O + CH =>
C2H6O2 + 4 CO2 = 10 O + 6 CH
(CN)2 + H2O = CN{-} + OCN{-} + H{+} =>
(CN)2 + H2O = CN{-} + OCN{-} + 2 H{+}
Mg + HCl = H + MgCl =>
Mg + HCl = H + MgCl
Al2(SO4)3 + NaOH = (Na)2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 NaOH = 3(Na)2SO4 + 2 Al(OH)3
Al + Ca = AlCa3 =>
Al + 3 Ca = AlCa3
Cr(s) + H2SO4(ap) = H2Cr + SO4 =>
Cr(s) + H2SO4(ap) = H2Cr + SO4
CH3NH2 + HI = CH4NH2 + I =>
CH3NH2 + HI = CH4NH2 + I
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
Br2 + KI(aq) = KBr(aq) + I2 =>
Br2 + 2 KI(aq) = 2 KBr(aq) + I2
C218H382O163 + O2 = CO2 + H2O =>
C218H382O163 + 232 O2 = 218 CO2 + 191 H2O
CsOH + Cl2O = CsClO + H2O =>
2 CsOH + Cl2O = 2 CsClO + H2O
CoCl3 + KHo = KCl + CoHo3 =>
CoCl3 + 3 KHo = 3 KCl + CoHo3
BeSO4 + NH4OH = Be(OH)2 + (NH4)2SO4 =>
BeSO4 + 2 NH4OH = Be(OH)2 + (NH4)2SO4
K2Cr2O7 + Na2SO3 + H2O = Cr(OH)3 + KOH + Na2SO4 =>
K2Cr2O7 + 3 Na2SO3 + 4 H2O = 2 Cr(OH)3 + 2 KOH + 3 Na2SO4
CH3NH2 + HI = CH4NH2 + I =>
CH3NH2 + HI = CH4NH2 + I
Al6Si2O13 + K2O = KAlSiO4 + Al2O3 =>
Al6Si2O13 + K2O = 2 KAlSiO4 + 2 Al2O3
Fe(NO3)(NO2) = Fe2O3 + NO + NO2 =>
2 Fe(NO3)(NO2) = Fe2O3 + NO + 3 NO2
Cu + HNO3(dil) = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3(dil) = Cu(NO3)2 + 2 H2O + 2 NO2
Na3PO4 = Na2O + P4O10 =>
4 Na3PO4 = 6 Na2O + P4O10
PH3 + K(MnO4) + H2SO4 = K(HSO4) + Mn(SO4) + H3PO4 + H2O =>
5 PH3 + 8 K(MnO4) + 16 H2SO4 = 8 K(HSO4) + 8 Mn(SO4) + 5 H3PO4 + 12 H2O
Na2(SO4) + Al(NO3)3 = Al2(SO4)3 + Na(NO3) =>
3 Na2(SO4) + 2 Al(NO3)3 = Al2(SO4)3 + 6 Na(NO3)
CH3NH2 + HI = CH3NH3{+} + I{-} =>
CH3NH2 + HI = CH3NH3{+} + I{-}
Ca + Al(NO3) = Al + Ca(NO3)3 =>
Ca + 3 Al(NO3) = 3 Al + Ca(NO3)3
CrI3 + Ca(CH3CO2)2 = CaI2 + Cr(CH3CO2)3 =>
2 CrI3 + 3 Ca(CH3CO2)2 = 3 CaI2 + 2 Cr(CH3CO2)3
C6H5OH + C4H6O3 = C8H8O2 + H =>
8 C6H5OH + 2 C4H6O3 = 7 C8H8O2 + 4 H
ZrO(NO3)2*6H2O + TiCl4 + CH4N2O = Ti(ZrO2) + N2 + CO2 + H2O + HCl =>
3 ZrO(NO3)2*6H2O + 3 TiCl4 + 7 CH4N2O = 3 Ti(ZrO2) + 10 N2 + 7 CO2 + 26 H2O + 12 HCl
AI + Ag(NO3)2 = Ag + AI(NO3)3 =>
2 AI + 3 Ag(NO3)2 = 3 Ag + 2 AI(NO3)3
Al + Ca = AlCa3 =>
Al + 3 Ca = AlCa3
CH3CH2OH + Cr2O7{+2} + H{+1] = CH3COOH+Cr{3+}+H2O =>
5 CH3CH2OH + 2 Cr2O7{+2} + 8 H{+1] = 5 CH3COOH+4Cr{3+}+9H2O
HBrO4 + Sn(OH)2 = Sn(BrO4)2 + H2O =>
2 HBrO4 + Sn(OH)2 = Sn(BrO4)2 + 2 H2O
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Équations équilibrées sur02/01/25
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