| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu2 + (OH)2CO3 + 4 HCl = 2 CuCl2 + CO2 + 3 H2O
C3H6(OH)3 + HNO3 = C3H6O3(NO2)3 + H2O =>
C3H6(OH)3 + 3 HNO3 = C3H6O3(NO2)3 + 3 H2O
C + H2O = CO2 + H2 =>
C + 2 H2O = CO2 + 2 H2
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3CO2H =>
C6H5NH2 + (CH3CO)2O = C6H5NHCOCH3 + CH3CO2H
SbCl6{-} + SO2 + H2O + H{+} = Sb + H2SO4 + HCl =>
2 SbCl6{-} + 5 SO2 + 10 H2O + 2 H{+} = 2 Sb + 5 H2SO4 + 12 HCl
HNO3(aq) + []SnCl2(s) + []HCl(aq) = []SnCl4(aq) + []H2O(aq) + []N2O(g) =>
2 HNO3(aq) + 4[]SnCl2(s) + 8[]HCl(aq) = 4[]SnCl4(aq) + 5[]H2O(aq) + []N2O(g)
C3H6(OH)3 + HNO3 = C3H6O3(NO2)3 + H2O =>
C3H6(OH)3 + 3 HNO3 = C3H6O3(NO2)3 + 3 H2O
NiO + HCl = NiCl2 + H2O =>
NiO + 2 HCl = NiCl2 + H2O
Cu(NO3)3 + Mg = Mg(NO3)3 + Cu =>
Cu(NO3)3 + Mg = Mg(NO3)3 + Cu
Mn + AgNO3 = Mn(NO3)2 + Ag =>
Mn + 2 AgNO3 = Mn(NO3)2 + 2 Ag
KI + KNO2 + HCI = KCI + NO + I2 + H2O =>
2 KI + 2 KNO2 + 4 HCI = 4 KCI + 2 NO + I2 + 2 H2O
Cr2S3 + Mn(NO3)2 + Na2(CO3) = NO + CO2 + Na2(CrO4) + Na(MnO4) + Na2(SO4) =>
Cr2S3 + 30 Mn(NO3)2 + 20 Na2(CO3) = 60 NO + 20 CO2 + 2 Na2(CrO4) + 30 Na(MnO4) + 3 Na2(SO4)
C14H22N2O + HCl = C14H23N2O + Cl =>
C14H22N2O + HCl = C14H23N2O + Cl
K4Fe(CN)6 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6 K4Fe(CN)6 + 61 K2Cr2O7 + 247 H2SO4 = 3 Fe2(SO4)3 + 61 Cr2(SO4)3 + 36 CO2 + 247 H2O + 55 K2SO4 + 36 KNO3
OH + Mg(NO3)2 = MgOH + NO3 =>
OH + Mg(NO3)2 = MgOH + 2 NO3
NaI + Pb = PbI4 + Na =>
4 NaI + Pb = PbI4 + 4 Na
K4Fe(CN)6 + K2Cr2O7 + H2SO4 = KHSO4 + Fe2(SO4)3 + Cr2(SO4)3 + HNO3 + CO2 + H2O =>
6 K4Fe(CN)6 + 61 K2Cr2O7 + 338 H2SO4 = 146 KHSO4 + 3 Fe2(SO4)3 + 61 Cr2(SO4)3 + 36 HNO3 + 36 CO2 + 247 H2O
Mn + S + O2 = MnSO4 =>
Mn + S + 2 O2 = MnSO4
K4Fe(CN)6 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + CO2 + HNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 K4Fe(CN)6 + 61 K2Cr2O7 + 265 H2SO4 = 3 Fe2(SO4)3 + 36 CO2 + 36 HNO3 + 61 Cr2(SO4)3 + 73 K2SO4 + 247 H2O
C12H22O7 + H2O = C2H6O + O =>
C12H22O7 + 7 H2O = 6 C2H6O + 8 O
K4Fe(CN)6 + K2Cr2O7 + H2SO4 = K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + CO2 + NO2 + H2O =>
6 K4Fe(CN)6 + 55 K2Cr2O7 + 241 H2SO4 = 67 K2SO4 + 3 Fe2(SO4)3 + 55 Cr2(SO4)3 + 36 CO2 + 36 NO2 + 241 H2O
Ba(OH)2Ca(NO3)2 = Ba(NO3)2Ca(OH)2 =>
Ba(OH)2Ca(NO3)2 = Ba(NO3)2Ca(OH)2
MgCl + H2SO4 = MgHSO4 + HCl =>
MgCl + H2SO4 = MgHSO4 + HCl
Na2HPO4 + (NH4)6Mo7O24 + HNO3 = (NH4)3(PMo12O40) + NaNO3 + (NH4)2NO4 + H2O =>
35 Na2HPO4 + 60(NH4)6Mo7O24 + 223 HNO3 = 35(NH4)3(PMo12O40) + 70 NaNO3 + 136(NH4)2NO4 + 95 H2O
Na2S + CH3CH2Br = (CH3CH2)2S + NaBr =>
Na2S + 2 CH3CH2Br = (CH3CH2)2S + 2 NaBr
Sn(OH)4 + SO2 = Sn(SO3)2 + H2O =>
Sn(OH)4 + 2 SO2 = Sn(SO3)2 + 2 H2O
C6H5OH + Cr2O7{2-} + H{+} = Cr{3+} + CO2 + H2O =>
3 C6H5OH + 14 Cr2O7{2-} + 112 H{+} = 28 Cr{3+} + 18 CO2 + 65 H2O
CH3CH2OH + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CH2OH + 2 Cr2O7{2-} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
Ce + H2 = CeH3 =>
2 Ce + 3 H2 = 2 CeH3
C6H4(OH)COOH + CH3COOH = C6H4COOH(OCOCH3) =>
10 C6H4(OH)COOH + CH3COOH = 8 C6H4COOH(OCOCH3)
NaSCN + KMnO4 + H2SO4 = K2SO + MnSO4 + HCN + H2O + Na2SO4 =>
8 NaSCN + 6 KMnO4 + 5 H2SO4 = 3 K2SO + 6 MnSO4 + 8 HCN + H2O + 4 Na2SO4
MgOHCl + H2O = Mg(OH)2 + HCl =>
MgOHCl + H2O = Mg(OH)2 + HCl
K2CrO4 + Pb(NO3)2 = PbCrO4 + K(NO3) =>
K2CrO4 + Pb(NO3)2 = PbCrO4 + 2 K(NO3)
CH3COH + H2O = CH3COOH + H2 =>
CH3COH + H2O = CH3COOH + H2
C5H5 + HNO3 = H2O + CO2 + N20 =>
4 C5H5 + 20 HNO3 = 20 H2O + 20 CO2 + N20
ZnFeS2(s) + O2(g) = Zn + FeO + SO2(s) =>
2 ZnFeS2(s) + 5 O2(g) = 2 Zn + 2 FeO + 4 SO2(s)
NaOH + MgO = MgOH + NaO =>
NaOH + MgO = MgOH + NaO
KMnO4 + CaC2SO4 + H2SO4 = MnSO4 + KSO4 + CaSO4 + H2O + CO2 =>
2 KMnO4 + CaC2SO4 + 4 H2SO4 = 2 MnSO4 + 2 KSO4 + CaSO4 + 4 H2O + 2 CO2
Na2O3Si + CuCl2 = Cu2(O3Si)2 + NaCl =>
2 Na2O3Si + 2 CuCl2 = Cu2(O3Si)2 + 4 NaCl
O2O = O2 =>
2 O2O = 3 O2
FeO3 + H2 = Fe(OH)3 =>
2 FeO3 + 3 H2 = 2 Fe(OH)3
K2Cr2O7 + H2S + HCl = S + KCl + CrCl3 + H2O =>
K2Cr2O7 + 3 H2S + 8 HCl = 3 S + 2 KCl + 2 CrCl3 + 7 H2O
[(CH3)2Si]8 = CH4 + H2 + SiC =>
[(CH3)2Si]8 = 8 CH4 + 8 H2 + 8 SiC
Zn{2} + S{2-} = ZnS =>
Zn{2} + S{2-} = ZnS
Ir(NO3)2(aq) + Na2S(aq) = IrS(aq) + NaNO3(aq) =>
Ir(NO3)2(aq) + Na2S(aq) = IrS(aq) + 2 NaNO3(aq)
K3PO4 + Co(NO3)2 = Co3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Co(NO3)2 = Co3(PO4)2 + 6 KNO3
C2H3O2Cl + KOH = C2HO2ClK2 + H2O =>
C2H3O2Cl + 2 KOH = C2HO2ClK2 + 2 H2O
MgO + NaSiO3 = MgSiO3 + NaO =>
MgO + NaSiO3 = MgSiO3 + NaO
NH4OH(aq) + Na2SO4(aq) = (NH4)2SO4(aq) + NaOH(aq) =>
2 NH4OH(aq) + Na2SO4(aq) = (NH4)2SO4(aq) + 2 NaOH(aq)
C14H30 + O2 = C9H8O4 + H2O =>
18 C14H30 + 135 O2 = 28 C9H8O4 + 158 H2O
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Équations équilibrées sur03/01/25
Équations équilibrées sur03/31/24
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