| Équations équilibrées la veille |
2 NH3 + 3 Cu2O = 3 H2O + 3 Cu2 + 2 N
B2O3 + Cl2 + CH4 = BCl3 + H2O + CO2 =>
4 B2O3 + 12 Cl2 + 3 CH4 = 8 BCl3 + 6 H2O + 3 CO2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cd(C18H33O2)2 + SeP(C8H17)3 = CdSe + P(C8H17)3 + (C18H33O2)2 =>
Cd(C18H33O2)2 + SeP(C8H17)3 = CdSe + P(C8H17)3 + (C18H33O2)2
Pb(NO3)2 + Na2CO3(aq) = Na(NO3) + PbCO3 =>
Pb(NO3)2 + Na2CO3(aq) = 2 Na(NO3) + PbCO3
Cl2 + C2H4 = (CH2CH2Cl)2 =>
Cl2 + 2 C2H4 = (CH2CH2Cl)2
Cu(SCN)4{-2} + SO2 + H2O = CuSCN + SCN{-} + HSO4{-} + H{+} =>
2 Cu(SCN)4{-2} + SO2 + 2 H2O = 2 CuSCN + 6 SCN{-} + HSO4{-} + 3 H{+}
NiNO3 + MgCl2 = Mg(NO3)2 + NiCl =>
2 NiNO3 + MgCl2 = Mg(NO3)2 + 2 NiCl
K2Cr2O7 + H2O = CrOH + KO3 =>
K2Cr2O7 + H2O = 2 CrOH + 2 KO3
NiCl2 + KCN = KCl + K2[Ni(CN)4] =>
NiCl2 + 4 KCN = 2 KCl + K2[Ni(CN)4]
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
Na + Cl = NaCl =>
Na + Cl = NaCl
Ba(NO3)2 + Cl2 = BaCl2 + NO3 =>
Ba(NO3)2 + Cl2 = BaCl2 + 2 NO3
H2CO3 + Sr(OH)2 = H2O + SrCO3 =>
H2CO3 + Sr(OH)2 = 2 H2O + SrCO3
NH2CHCH2OHCONHCHCH2CH2COOHCOOH + O2 = N2 + CO2 + H2O =>
2 NH2CHCH2OHCONHCHCH2CH2COOHCOOH + 17 O2 = 2 N2 + 16 CO2 + 14 H2O
MgI2 + Ca = Mg + CaI2 =>
MgI2 + Ca = Mg + CaI2
Cr + HNO3 + HF = H3[CrF6] + NO + H2O =>
Cr + HNO3 + 6 HF = H3[CrF6] + NO + 2 H2O
Cr(OH)4 + OCl{-} + OH{-} = CrO4{2-} + Cl{-} + H2O =>
Cr(OH)4 + OCl{-} + 2 OH{-} = CrO4{2-} + Cl{-} + 3 H2O
(NH4)2S + ZnCl2 = NH4Cl + ZnS =>
(NH4)2S + ZnCl2 = 2 NH4Cl + ZnS
C4H13N3 + HNO3 = CO2 + H2O + NO2 =>
C4H13N3 + 41 HNO3 = 4 CO2 + 27 H2O + 44 NO2
Mg(NO3)2 + ZnHCO3 = MgHCO3 + Zn(NO3)2 =>
Mg(NO3)2 + ZnHCO3 = MgHCO3 + Zn(NO3)2
NaOH + Na2SO4 + Mn3As2 = NaMnO4 + Na2HAsO4 + Na2SO3 + H2O =>
14 NaOH + 31 Na2SO4 + 2 Mn3As2 = 6 NaMnO4 + 4 Na2HAsO4 + 31 Na2SO3 + 5 H2O
Ca(OH)2 + Na2SO4 = CaSO4 + NaOH =>
Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaOH
I{-} + CrO4{2-} + H{+} = I2 + Cr3{+} + H2O =>
34 I{-} + 6 CrO4{2-} + 48 H{+} = 17 I2 + 2 Cr3{+} + 24 H2O
AgNo3 + Na2CrO4 = AgCrO4 + Na2No3 =>
AgNo3 + Na2CrO4 = AgCrO4 + Na2No3
K2Cr2O7 + H2SO4 + C3H7OH = Cr2(SO4)3 + K2SO4 + C4H8O + H2O =>
K2Cr2O7 + 4 H2SO4 + 4 C3H7OH = Cr2(SO4)3 + K2SO4 + 3 C4H8O + 8 H2O
HCl + CaSO4 = H2SO4 + CaCl2 =>
2 HCl + CaSO4 = H2SO4 + CaCl2
SO3 + Ca(OH)2 = CaO + H2SO4 =>
SO3 + Ca(OH)2 = CaO + H2SO4
NaOH + C8H5O4K = KOH + C8H5O4Na =>
NaOH + C8H5O4K = KOH + C8H5O4Na
Na3PO4 + Cu(SO4) = Na2SO4 + Cu3(PO4)2 =>
2 Na3PO4 + 3 Cu(SO4) = 3 Na2SO4 + Cu3(PO4)2
C2H5OH + O2 = CO2 + H2O* =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O*
PbO2 + Cr2O4 = PbCrO4 =>
2 PbO2 + Cr2O4 = 2 PbCrO4
ZnO + (H3PO4) = Zn(H2PO4)2 + H2O =>
ZnO + 2(H3PO4) = Zn(H2PO4)2 + H2O
CH3CHOHCH3 + Na = C3H6ONa + H2 =>
CH3CHOHCH3 + Na = C3H6ONa + H2
CaCl2*6H2O + KBF4 = H3BO3 + HF + CaF2 + KCl =>
CaCl2*6H2O + 2 KBF4 = 2 H3BO3 + 6 HF + CaF2 + 2 KCl
C3H8 + NH3 + O2 = CHCN + H2O =>
4 C3H8 + 6 NH3 + 11 O2 = 6 CHCN + 22 H2O
Fe3O3 + O2 = Fe3O4 =>
2 Fe3O3 + O2 = 2 Fe3O4
C2H4 + O2 = C2O2 + H =>
C2H4 + O2 = C2O2 + 4 H
N2O10 + H2O = H2N2O11 =>
N2O10 + H2O = H2N2O11
Fe2O3 + SiO2 + SnO = Fe4Si4Sn5O17 + SnO2 =>
2 Fe2O3 + 4 SiO2 + 7 SnO = Fe4Si4Sn5O17 + 2 SnO2
Ce + H2SO4 = Ce2SO4 + H2 =>
2 Ce + H2SO4 = Ce2SO4 + H2
C3H8O + CH3COOH = C5H10O2 + H2O =>
C3H8O + CH3COOH = C5H10O2 + H2O
Pb(OH)2 + Na2S = NaOH + PbS =>
Pb(OH)2 + Na2S = 2 NaOH + PbS
C2H3 + O2 = CO2 + H2O2 =>
2 C2H3 + 7 O2 = 4 CO2 + 3 H2O2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
HCl + Na2CO3 = CO3H2 + NaCl =>
2 HCl + Na2CO3 = CO3H2 + 2 NaCl
Ni + MoS2 = S + MoNi =>
Ni + MoS2 = 2 S + MoNi
Na2SO3(aq) + HNO3(aq) = H2O(l) + SO2(g) + NaNO3(aq) =>
Na2SO3(aq) + 2 HNO3(aq) = H2O(l) + SO2(g) + 2 NaNO3(aq)
HCl + CNa2O3 = NaCl + CO2 + H2O =>
2 HCl + CNa2O3 = 2 NaCl + CO2 + H2O
P2O4 + H2O = H3PO4 + H2PHO3 =>
P2O4 + 3 H2O = H3PO4 + H2PHO3
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