| Équations équilibrées la veille |
S2O5{2-} + 2 I2 + 3 H2O = 2 SO4{2-} + 4 I{-} + 6 H{+}
CaCi2(aq) + Na2SO4(aq) = CaSO4(s) + NaCi(aq) =>
CaCi2(aq) + Na2SO4(aq) = CaSO4(s) + 2 NaCi(aq)
NaOH + CuSO = CuOH + NaSO =>
NaOH + CuSO = CuOH + NaSO
Na(s) + Cl2(g) = NaCl(s)(unbalanced) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)(unbalanced)
Mg(OH)2 + CuNO3 = CuOH + Mg(NO3)2 =>
Mg(OH)2 + 2 CuNO3 = 2 CuOH + Mg(NO3)2
BaCl = Ba + Cl =>
BaCl = Ba + Cl
CaO4 + HNO3 = Ca(NO3)2 + H202 + O2 =>
101 CaO4 + 202 HNO3 = 101 Ca(NO3)2 + H202 + 202 O2
MgI2 + PbNO32 = MgNO32 + PbI2 =>
MgI2 + PbNO32 = MgNO32 + PbI2
NH3 + NaOH = NaNO + H2 =>
NH3 + NaOH = NaNO + 2 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb(NO3)2 + Zn = Pb2 + Zn(NO3)2 =>
2 Pb(NO3)2 + 2 Zn = Pb2 + 2 Zn(NO3)2
H2 + FeCl2 = Cl2 + FeH2 =>
H2 + FeCl2 = Cl2 + FeH2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NHCH3CH3 + HCl = NH2CH3CH3Cl =>
NHCH3CH3 + HCl = NH2CH3CH3Cl
HCl(s) + Na2SO4(s) = NaCl(s) + H2SO4(l) =>
2 HCl(s) + Na2SO4(s) = 2 NaCl(s) + H2SO4(l)
(NH4)2CO3 + CaCl2 = Ca(NH4)2 + CO3Cl2 =>
(NH4)2CO3 + CaCl2 = Ca(NH4)2 + CO3Cl2
Na + NiSO4 = Ni + NaSO4 =>
Na + NiSO4 = Ni + NaSO4
O2 + C26H54 = CO2 + H2 =>
26 O2 + C26H54 = 26 CO2 + 27 H2
FeO + H2SO4 = FeSO4 + H2O =>
FeO + H2SO4 = FeSO4 + H2O
Cu{+} + e = Cu2{+} =>
2 Cu{+} + e = Cu2{+}
Mg(OH)2 + CuNO3 = CuOH + Mg(NO3)2 =>
Mg(OH)2 + 2 CuNO3 = 2 CuOH + Mg(NO3)2
Zn{2+} + K{+} + Fe(CN)6{4-} = Zn(Fe(CN)6)3 + K =>
Zn{2+} + 10 K{+} + 3 Fe(CN)6{4-} = Zn(Fe(CN)6)3 + 10 K
Al(OH)3 + HOOCCOOH = Al(OOCCOOH)3 + H2O =>
Al(OH)3 + 3 HOOCCOOH = Al(OOCCOOH)3 + 3 H2O
CuCl + NH3 = Cu(NH3)4 + Cl =>
CuCl + 4 NH3 = Cu(NH3)4 + Cl
KNO3 + S = K2S + N2 + O2 =>
2 KNO3 + S = K2S + N2 + 3 O2
HI + K2S = H2S + KI =>
2 HI + K2S = H2S + 2 KI
CaOH + Co2 = CaHCo3 + O2 =>
2 CaOH + 3 Co2 = 2 CaHCo3 + O2
HCl + K2(Cr2O7) + K4Fe(CN)6 = KCl + FeCl3 + CrCl3 + CO2 + NO + H2O =>
386 HCl + 43 K2(Cr2O7) + 6 K4Fe(CN)6 = 110 KCl + 6 FeCl3 + 86 CrCl3 + 36 CO2 + 36 NO + 193 H2O
SCl4 + K2Cr2O7 + H2SO4 = HClO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 SCl4 + 13 K2Cr2O7 + 49 H2SO4 = 12 HClO3 + 13 K2SO4 + 13 Cr2(SO4)3 + 43 H2O
C7H5NaO2 + O2 = H2O + CO2 + Na =>
4 C7H5NaO2 + 29 O2 = 10 H2O + 28 CO2 + 4 Na
H2SO4(aq) + CaCO3(s) = CaSO4(aq) + H2O(l) + CO2(g) =>
H2SO4(aq) + CaCO3(s) = CaSO4(aq) + H2O(l) + CO2(g)
CaOH + Co2 = CaHCo3 + O2 =>
2 CaOH + 3 Co2 = 2 CaHCo3 + O2
HCl + Cr2O3 = CrCl3 + H2O = =>
6 HCl + Cr2O3 = 2 CrCl3 + 3 H2O
CH2CH2 + KMnO4 + H2SO4 = CH3COOHCO2 + MnSO4 + K2SO4 + H2O =>
3 CH2CH2 + 4 KMnO4 + 6 H2SO4 = 2 CH3COOHCO2 + 4 MnSO4 + 2 K2SO4 + 8 H2O
K + HNO3 = KNO3 + NH4(NO3) + H2O =>
8 K + 10 HNO3 = 8 KNO3 + NH4(NO3) + 3 H2O
CaOCl2 + NaBr + HCl = CaCl2 + NaCl + Br2 + H2O =>
CaOCl2 + 2 NaBr + 2 HCl = CaCl2 + 2 NaCl + Br2 + H2O
KBr2 + Cl = KCl + Br2 =>
KBr2 + Cl = KCl + Br2
KAlO2 + HNO3 = KNO3 + Al(NO3)3 + H2O =>
KAlO2 + 4 HNO3 = KNO3 + Al(NO3)3 + 2 H2O
Na + C = NaC4 =>
Na + 4 C = NaC4
K2CO3(aq) + Pb(NO3)4(aq) = Pb(CO3)2(aq) + KNO3(aq) =>
2 K2CO3(aq) + Pb(NO3)4(aq) = Pb(CO3)2(aq) + 4 KNO3(aq)
Cu(OH)2 + KOH = K2(Cu(OH)4) =>
Cu(OH)2 + 2 KOH = K2(Cu(OH)4)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
FeCl3 + K2 = KCl + Fe =>
2 FeCl3 + 3 K2 = 6 KCl + 2 Fe
Cr(OH)3(s) + NH3(aq) = Cr(NH3)3(aq) + OH(aq) =>
Cr(OH)3(s) + 3 NH3(aq) = Cr(NH3)3(aq) + 3 OH(aq)
FeOCr203 + K2CO3 + O2 = K2CrO4 + CO2 + Fe2O3 =>
4 FeOCr203 + 812 K2CO3 + 1219 O2 = 812 K2CrO4 + 812 CO2 + 2 Fe2O3
M3PO4 + Zn = M3 + ZnPO4 =>
M3PO4 + Zn = M3 + ZnPO4
H{+} + Ag2O + NH3 = Ag(NH3)2{+} + H2O =>
2 H{+} + Ag2O + 4 NH3 = 2 Ag(NH3)2{+} + H2O
Ag + HNO3(konc) = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3(konc) = AgNO3 + NO2 + H2O
CoCl2 + (NH4)2[Hg(SCN)4] + ZnCl2 = Co[Hg(SCN)4]*Zn[Hg(SCN)4] + NH4Cl =>
CoCl2 + 2(NH4)2[Hg(SCN)4] + ZnCl2 = Co[Hg(SCN)4]*Zn[Hg(SCN)4] + 4 NH4Cl
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