| Équations équilibrées la veille |
4 Na + O2 = 2 Na2O
(COONa)2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O + Na2SO4 =>
3(COONa)2 + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 6 CO2 + 7 H2O + 3 Na2SO4
BF3(g) + H2O(l) = B2O3(s) + HF(g) =>
2 BF3(g) + 3 H2O(l) = B2O3(s) + 6 HF(g)
Fe{32+} + H2 = Fe{2+} + H{+} =>
Fe{32+} + 15 H2 = Fe{2+} + 30 H{+}
Li + HNO3 = LiNO3 + NO2 + H2O =>
Li + 2 HNO3 = LiNO3 + NO2 + H2O
PbO2 + H2C2O4 = PbO + CO2 + H2O =>
PbO2 + H2C2O4 = PbO + 2 CO2 + H2O
BF3(g) + H2O(l) = H3BO3(aq) + HBF4(aq) =>
4 BF3(g) + 3 H2O(l) = H3BO3(aq) + 3 HBF4(aq)
Ni2O3 = Ni + O2 =>
2 Ni2O3 = 4 Ni + 3 O2
NaBr = Na + Br2 =>
2 NaBr = 2 Na + Br2
AlCl3 + K3PO4 = AlPO4 + KCl =>
AlCl3 + K3PO4 = AlPO4 + 3 KCl
BF3(g) + H2O(l) = HF(l) + H3BO3(s) =>
BF3(g) + 3 H2O(l) = 3 HF(l) + H3BO3(s)
NO2 + Na2SO3 = Na2SO4 + N2 =>
2 NO2 + 4 Na2SO3 = 4 Na2SO4 + N2
NaOH + HCl*H2O = NaCl + H2O =>
NaOH + HCl*H2O = NaCl + 2 H2O
KF + HBr = HF + KBr = =>
KF + HBr = HF + KBr
CuSO4 + NaHCO3 = CO2 + Na2SO4 + CuCO3 + H2O =>
CuSO4 + 2 NaHCO3 = CO2 + Na2SO4 + CuCO3 + H2O
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
C2H2O4 + OH = C2O4 + H2O =>
C2H2O4 + 2 OH = C2O4 + 2 H2O
NaHCO3 + NaAl(SO4)2 = Al(OH)3 + Na2SO4 + CO2 =>
3 NaHCO3 + NaAl(SO4)2 = Al(OH)3 + 2 Na2SO4 + 3 CO2
PCl5 + Al2O3 = AlCl3 + P2O5 =>
6 PCl5 + 5 Al2O3 = 10 AlCl3 + 3 P2O5
HCl(l) + NaOH(ac) = NaCl(ac) + H2O(l) =>
HCl(l) + NaOH(ac) = NaCl(ac) + H2O(l)
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
Hg(NO3)2 + NaOH = Hg(OH)2 + Na2(NO3)2 =>
Hg(NO3)2 + 2 NaOH = Hg(OH)2 + Na2(NO3)2
C2H2O4 + OH = CO2 + H2O =>
C2H2O4 + 2 OH = 2 CO2 + 2 H2O
C6H10O4 + KOH = CH3COOK + CH3CH2CH2COOK + H2O =>
2 C6H10O4 + 5 KOH = 4 CH3COOK + CH3CH2CH2COOK + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BaCO3(s) + HBr(aq) = BaBr2(aq) + H2O(l) + CO2(g) =>
BaCO3(s) + 2 HBr(aq) = BaBr2(aq) + H2O(l) + CO2(g)
PbCl2 + HCl = H2PbCl4 =>
PbCl2 + 2 HCl = H2PbCl4
KMnO4 + MgS = MgSO4 + KMn =>
KMnO4 + MgS = MgSO4 + KMn
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
AlCl3 + NaOH = H2O + NaCl + NaAlO2 =>
AlCl3 + 4 NaOH = 2 H2O + 3 NaCl + NaAlO2
HCO2 + H2O = CO2{-} + H3O{+} =>
HCO2 + H2O = CO2{-} + H3O{+}
CH3NH2 + HNO2 = CH3OH + N2 + H2O =>
CH3NH2 + HNO2 = CH3OH + N2 + H2O
Ba(NO3)2(s) = BaO(s) + N2(g) + O2(g) =>
2 Ba(NO3)2(s) = 2 BaO(s) + 2 N2(g) + 5 O2(g)
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Ba(NO3)2(s) = Ba(NO2)2(s) + O2(g) =>
Ba(NO3)2(s) = Ba(NO2)2(s) + O2(g)
C9H8O4 + C2H5OH = C11H12O4 + H2O =>
C9H8O4 + C2H5OH = C11H12O4 + H2O
PbCl2 + HCl = H[PbCl3] =>
PbCl2 + HCl = H[PbCl3]
KNO2 + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
10 KNO2 + 4 KMnO4 + 11 H2SO4 = 4 MnSO4 + 10 HNO3 + 7 K2SO4 + 6 H2O
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
Fl2 + NH3 = N2Fl4 + H2Fl =>
7 Fl2 + 4 NH3 = 2 N2Fl4 + 6 H2Fl
Na2HPO4 + HI = H3PO4 + NaI =>
Na2HPO4 + 2 HI = H3PO4 + 2 NaI
K2Cr2O7 + HCl = CrCl3 + Cl2 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 Cl2 + 2 KCl + 7 H2O
ZnO + SO3 = ZnO3 + SO =>
ZnO + SO3 = ZnO3 + SO
Pb3N2 + Na2SO4 = PbSO4 + Na3N =>
Pb3N2 + 3 Na2SO4 = 3 PbSO4 + 2 Na3N
Na + HCI = H2 + NaCI =>
2 Na + 2 HCI = H2 + 2 NaCI
PbCl2 + HCl = HPbCl3 =>
PbCl2 + HCl = HPbCl3
K2S2O5 + H2O = HSO3{-} + K{+} =>
K2S2O5 + H2O = 2 HSO3{-} + 2 K{+}
(NH4)3Po4(aq) + CrBr3(aq) = NH4Br(aq) + CrPo4(s) =>
(NH4)3Po4(aq) + CrBr3(aq) = 3 NH4Br(aq) + CrPo4(s)
CH2COONa + HCl = CH2COOCl + HNa =>
CH2COONa + HCl = CH2COOCl + HNa
HCl(l) + NaOH(ac) = NaCl(ac) + H2O(l) =>
HCl(l) + NaOH(ac) = NaCl(ac) + H2O(l)
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Équations équilibrées sur11/11/24
Équations équilibrées sur12/11/23
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