| Équations équilibrées la veille |
3 C5H8 + 14 K2Cr2O7 + 56 H2SO4 = 15 CO2 + 14 K2SO4 + 14 Cr2(SO4)3 + 68 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
LiCO3 + MnO2 + NaCl = LiMnO2 + NaClCO3 =>
LiCO3 + MnO2 + NaCl = LiMnO2 + NaClCO3
Mn + PO4 = Mn(PO4)2 =>
Mn + 2 PO4 = Mn(PO4)2
C + O1 = CO2 =>
C + 2 O1 = CO2
PbS + CO2 = PbCO3 + COS =>
PbS + 2 CO2 = PbCO3 + COS
ZnCO3 + H2 = H2CO3 + Zn =>
ZnCO3 + H2 = H2CO3 + Zn
Pb + NaF = PbF + Na =>
Pb + NaF = PbF + Na
Cr2O7{2–}(aq) + I{1–}(aq) + H{+}(aq) = Cr{3+}(aq) + IO3{1–}(aq) + H2O(l) =>
3 Cr2O7{2–}(aq) + 5 I{1–}(aq) + 12 H{+}(aq) = 6 Cr{3+}(aq) + 5 IO3{1–}(aq) + 6 H2O(l)
CaO(s) + NH4Cl(s) = NH3(g) + H2O(l) + CaCl2(s) =>
CaO(s) + 2 NH4Cl(s) = 2 NH3(g) + H2O(l) + CaCl2(s)
CH3OHHI = CH3IH2O =>
CH3OHHI = CH3IH2O
(CH3)2CHCHO + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
(CH3)2CHCHO + 6 KMnO4 + 8 KOH = 2 CH3COOK + 6 K2MnO4 + 5 H2O
AlB2 + TiAl3 = TiB2 + Al =>
AlB2 + TiAl3 = TiB2 + 4 Al
Pb(NO3)2 + Mg = Mg(NO3)2 + Pb =>
Pb(NO3)2 + Mg = Mg(NO3)2 + Pb
HClO3 + F2 = FClO3H =>
2 HClO3 + F2 = 2 FClO3H
NaF + Ag(NO3)2 = NaNO3 + AgF2 =>
2 NaF + Ag(NO3)2 = 2 NaNO3 + AgF2
MgSO4(aq) + K2CO3(aq) = MgCO3(s) + K2SO4(aq) =>
MgSO4(aq) + K2CO3(aq) = MgCO3(s) + K2SO4(aq)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Fe(NH4)2(SO4)2 + H2C2O4 + K2C2O4 + H2O2 = H2SO4 + (NH4)2SO4 + K3(Fe(C2O4)3) + H2O =>
2 Fe(NH4)2(SO4)2 + 3 H2C2O4 + 3 K2C2O4 + H2O2 = 2 H2SO4 + 2(NH4)2SO4 + 2 K3(Fe(C2O4)3) + 2 H2O
Fe(NO3)3 + K4Fe(CN)6 = Fe(CN)3 + K4Fe(NO3)6 =>
2 Fe(NO3)3 + K4Fe(CN)6 = 2 Fe(CN)3 + K4Fe(NO3)6
C2H3NaO2 + H2O = NaOH + HC2H3O2 =>
C2H3NaO2 + H2O = NaOH + HC2H3O2
CO(NH2)2(aq) + H2O(l) = CO2(g) + NH3(g) =>
CO(NH2)2(aq) + H2O(l) = CO2(g) + 2 NH3(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ni + CO2 = NiO + CO =>
Ni + CO2 = NiO + CO
Sn + H2O2 = SnO + H2O =>
Sn + H2O2 = SnO + H2O
NaBr + BaCl2 = NaCl + BaBr2 =>
2 NaBr + BaCl2 = 2 NaCl + BaBr2
Al(OH)4{-} + H2SO4(aq) = Al(OH)3 + H2O + SO4{2-} =>
2 Al(OH)4{-} + H2SO4(aq) = 2 Al(OH)3 + 2 H2O + SO4{2-}
C2H6O2 + HNO3 = C2H4N2O6 + H2O =>
C2H6O2 + 2 HNO3 = C2H4N2O6 + 2 H2O
Au(OH)3 + KOH = K3[Au(OH)6] =>
Au(OH)3 + 3 KOH = K3[Au(OH)6]
Zn + Pb2No = ZnNo + Pb =>
Zn + Pb2No = ZnNo + 2 Pb
Fe + HNO2 = Fe(NO3)3 + NO + H2O =>
Fe + 12 HNO2 = Fe(NO3)3 + 9 NO + 6 H2O
CaCO3 + HF = CaF + HCO3 =>
CaCO3 + HF = CaF + HCO3
ZrO2 + H2SO4 = ZrOSO4 + H2O =>
ZrO2 + H2SO4 = ZrOSO4 + H2O
BaCl2 + K2HPO4 = BaHPO4 + KCl =>
BaCl2 + K2HPO4 = BaHPO4 + 2 KCl
Au2S + H2 = Au + H2S =>
Au2S + H2 = 2 Au + H2S
Na3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)2(PMo12O40) + NaNO3 + (NH4)NO3 + H2O =>
56 Na3PO4 + 96(NH4)6Mo7O24 + 646 HNO3 = 56(NH4)2(PMo12O40) + 168 NaNO3 + 471(NH4)NO3 + 309 H2O
Th(OH)4 = Th + OH =>
Th(OH)4 = Th + 4 OH
Mg + CrO = Cr + MgO2 =>
Mg + 2 CrO = 2 Cr + MgO2
C8H9NO2 + O2 = CO2 + H2O + NH3 =>
2 C8H9NO2 + 17 O2 = 16 CO2 + 6 H2O + 2 NH3
CuClO3 = Cu + ClO3 =>
CuClO3 = Cu + ClO3
Al + Fe(No3)3 = Fe + Al(No3)3 =>
Al + Fe(No3)3 = Fe + Al(No3)3
HCHO + NH3 = C6H12N4 + H2O =>
6 HCHO + 4 NH3 = C6H12N4 + 6 H2O
(NH4)2SO4(aq) + Ba(OH)2(aq) = BaSO4 + NH4OH =>
(NH4)2SO4(aq) + Ba(OH)2(aq) = BaSO4 + 2 NH4OH
Cu(C2H3O2)2 + H2S = CuS + H(C2H3O2) =>
Cu(C2H3O2)2 + H2S = CuS + 2 H(C2H3O2)
SiO2 = Si + O2 =>
SiO2 = Si + O2
K2(CrO4) + BaCl2 = K2Cl2 + Ba(CrO4) =>
K2(CrO4) + BaCl2 = K2Cl2 + Ba(CrO4)
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
MnO4{-} + SO3{-2} + OH{-} = MnO4{-2} + SO4{-2} + H2O =>
2 MnO4{-} + SO3{-2} + 2 OH{-} = 2 MnO4{-2} + SO4{-2} + H2O
MnO2 + PbO2 + HNO3 = Mn2O7 + Pb(NO3)2 + H2O =>
2 MnO2 + 3 PbO2 + 6 HNO3 = Mn2O7 + 3 Pb(NO3)2 + 3 H2O
Al4C3 + HBr = AlBr3 + CH4 =>
Al4C3 + 12 HBr = 4 AlBr3 + 3 CH4
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