| Équations équilibrées la veille |
4 PCl2Br + HBrO4 + 25 NaOH = 4 Na3PO4 + 13 H2O + 8 NaCl + 5 NaBr
C3H6 + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
2 C3H6 + 12 KMnO4 + 15 KOH = 3 CH3COOK + 12 K2MnO4 + 9 H2O
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
C9H8O4 + H2O = CH3COOH =>
2 C9H8O4 + 10 H2O = 9 CH3COOH
H3PO4 + NH4OH = (NH4)3PO4 + H2O =>
H3PO4 + 3 NH4OH = (NH4)3PO4 + 3 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
HNO3(aq) + P4O10(s) = N2O5(g) + H3PO4(aq) =>
12 HNO3(aq) + P4O10(s) = 6 N2O5(g) + 4 H3PO4(aq)
C4H9OH + CuO = H2O + Cu + C4H8O =>
C4H9OH + CuO = H2O + Cu + C4H8O
C2H6COOO + NaOH = C2H4OHCOONa + H2O =>
C2H6COOO + NaOH = C2H4OHCOONa + H2O
Cu2 + SO4 = CuSO4 =>
Cu2 + 2 SO4 = 2 CuSO4
CrI3 + Cl2 + KO = K2CrO4 + KCl + KIO3 =>
CrI3 + 4 Cl2 + 13 KO = K2CrO4 + 8 KCl + 3 KIO3
ClO2 + H2O = HClO3 + HCl =>
6 ClO2 + 3 H2O = 5 HClO3 + HCl
CH3COOH + CaO = (CH3COO)2Ca + H2O =>
2 CH3COOH + CaO = (CH3COO)2Ca + H2O
Na + C2H4O2 = NaC2H4O2 =>
Na + C2H4O2 = NaC2H4O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
XCH4 + F2 = XCF4 + HF =>
XCH4 + 4 F2 = XCF4 + 4 HF
Mg(NO3)2 + Mn(SO3)2 = Mg(SO3)2 + Mn(NO3)2 =>
Mg(NO3)2 + Mn(SO3)2 = Mg(SO3)2 + Mn(NO3)2
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
CaHPO4 + H2O + P2O5 = Ca(H2PO4)2 =>
2 CaHPO4 + 3 H2O + P2O5 = 2 Ca(H2PO4)2
AgNO3 + NaI = AgI + NaNO3 =>
AgNO3 + NaI = AgI + NaNO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
C2H6O + Cr2O7{3-} + H{+} = C2H4O + H2O + Cr{3+} =>
5 C2H6O + 2 Cr2O7{3-} + 18 H{+} = 5 C2H4O + 14 H2O + 4 Cr{3+}
Sn + NO3 = SnO2 + NO =>
Sn + NO3 = SnO2 + NO
SO2 + NaOH = Na2SO3 + H2O = =>
SO2 + 2 NaOH = Na2SO3 + H2O
C19H15OMgBr + H3O = C19H16O + MgBr + H2O =>
C19H15OMgBr + H3O = C19H16O + MgBr + H2O
C2H5OH + K2Cr2O7 + H2SO4 = (CH3COO)2SO4 + Cr2(SO4)3 + K2SO4 + H2O =>
2 C2H5OH + 2 K2Cr2O7 + 9 H2SO4 = (CH3COO)2SO4 + 2 Cr2(SO4)3 + 2 K2SO4 + 12 H2O
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
Ca(OH)2 + K3PO4 = Ca3(PO4)2 + KOH =>
3 Ca(OH)2 + 2 K3PO4 = Ca3(PO4)2 + 6 KOH
KCYO3 = KCY + O2 =>
2 KCYO3 = 2 KCY + 3 O2
Sn + NaOH + NaNO3 + H2O = Na2[Sn(OH)4] + NH3 =>
4 Sn + 7 NaOH + NaNO3 + 6 H2O = 4 Na2[Sn(OH)4] + NH3
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
Al2(SO4)3(aq) + Ca(aq) + HCO3(aq) = Al(OH)3(s) + Ca(SO4)(s) + CO2(g) =>
Al2(SO4)3(aq) + 3 Ca(aq) + 6 HCO3(aq) = 2 Al(OH)3(s) + 3 Ca(SO4)(s) + 6 CO2(g)
Mg3N2(s) + H2O(l) = Mg(OH)2 + NH3 =>
Mg3N2(s) + 6 H2O(l) = 3 Mg(OH)2 + 2 NH3
As2S3 + NO3{-} + OH{-} = AsO4{3-} + SO4{2-} + NO + H2O =>
3 As2S3 + 28 NO3{-} + 8 OH{-} = 6 AsO4{3-} + 9 SO4{2-} + 28 NO + 4 H2O
H3BO3 + C = B4C + CO + H2O =>
4 H3BO3 + 7 C = B4C + 6 CO + 6 H2O
C3H6O = C6H10O + H2O =>
2 C3H6O = C6H10O + H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
NaOH + (COOH)2 = (COONa)2 + H2O =>
2 NaOH + (COOH)2 = (COONa)2 + 2 H2O
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
Ba(CN)2 + H2SO4 = BaSO4 + HCN =>
Ba(CN)2 + H2SO4 = BaSO4 + 2 HCN
Hg + KI = HgIK =>
Hg + KI = HgIK
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
As + NO3 = As2O5 + N2O2 =>
8 As + 10 NO3 = 4 As2O5 + 5 N2O2
N2 + O2 + H = (NH4)(NO3) =>
2 N2 + 3 O2 + 8 H = 2(NH4)(NO3)
C2H5ONa + H2 = C2H5 + OH + Na =>
2 C2H5ONa + H2 = 2 C2H5 + 2 OH + 2 Na
NH4 + HCl = (NH4)HCl =>
NH4 + HCl = (NH4)HCl
CaCI2 + Pb(NO3)2 = PbCI2 + Ca(NO3)2 =>
CaCI2 + Pb(NO3)2 = PbCI2 + Ca(NO3)2
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