| Équations équilibrées la veille |
3 Cu2N2O6CO3 + 2 MgCl2H12O6 + 6 HNO3 = 2 Cu3MgN6O18Cl2 + 3 CO2 + 15 H2O
(NH4)2CO3 + CaBr2 = CaCO3 + NH4Br =>
(NH4)2CO3 + CaBr2 = CaCO3 + 2 NH4Br
Pb(NO3)3 + KOH = K(NO3) + Pb(OH)3 =>
Pb(NO3)3 + 3 KOH = 3 K(NO3) + Pb(OH)3
Cr(OH)4{2-} + H2O2 = CrO4{-2} + H2O =>
Cr(OH)4{2-} + 2 H2O2 = CrO4{-2} + 4 H2O
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
N2O + HNO3 = NNO3 + H2O =>
N2O + 2 HNO3 = 2 NNO3 + H2O
CH2N2 + O2 + OH{-} = CO3({-}2) + H2O + N2 =>
4 CH2N2 + 7 O2 + 4 OH{-} = 4 CO3({-}2) + 6 H2O + 4 N2
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Cu + NaOCl = CuO + NaCl =>
Cu + NaOCl = CuO + NaCl
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
NH4{+} + Fe{2+} + SO4{2-} = (NH4)2Fe(SO4)2 =>
2 NH4{+} + Fe{2+} + 2 SO4{2-} = (NH4)2Fe(SO4)2
Na2S + CO2 + H2O = NaHCO3 + H2S =>
Na2S + 2 CO2 + 2 H2O = 2 NaHCO3 + H2S
KMnO4 + Hg2Cl2 + HCl = H2O + KCl + MnCl2 + HgCl2 =>
2 KMnO4 + 5 Hg2Cl2 + 16 HCl = 8 H2O + 2 KCl + 2 MnCl2 + 10 HgCl2
ZnBr2 + K2S = KBr2 + Zn2S =>
2 ZnBr2 + K2S = 2 KBr2 + Zn2S
NH4Cl + CH3COOH = CH3COONH4 + HCl =>
NH4Cl + CH3COOH = CH3COONH4 + HCl
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
CH3(CH2)14COOH + CH3OH = CH3(CH2)14COOCH3 + H2O =>
CH3(CH2)14COOH + CH3OH = CH3(CH2)14COOCH3 + H2O
AlPO4 + Ca(OH)2 = Al(OH)3 + Ca3(PO4)2 =>
2 AlPO4 + 3 Ca(OH)2 = 2 Al(OH)3 + Ca3(PO4)2
Na3AlF6 + Mg = NaF + Al + MgF2 =>
2 Na3AlF6 + 3 Mg = 6 NaF + 2 Al + 3 MgF2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Zn + Pb(CH3COO)2 = Pb + Zn(CH3COO)2 =>
Zn + Pb(CH3COO)2 = Pb + Zn(CH3COO)2
NaN3 + CO2 = Na2O + CO + N2 =>
2 NaN3 + CO2 = Na2O + CO + 3 N2
K2Cr2O7 + H2SO4 + NaI = Cr2(SO4)3 + I2 + K2(SO4) + Na2(SO4) + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 NaI = Cr2(SO4)3 + 3 I2 + K2(SO4) + 3 Na2(SO4) + 7 H2O
CaCl + Hg2NO2 = Hg2Cl + CaNO2 =>
CaCl + Hg2NO2 = Hg2Cl + CaNO2
PbCu(NO3)2 = Pb(NO3)2Cu =>
PbCu(NO3)2 = Pb(NO3)2Cu
Zn + KNO3 + KOH + H2O = K2[Zn(OH)4] + NH3 =>
4 Zn + KNO3 + 7 KOH + 6 H2O = 4 K2[Zn(OH)4] + NH3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H6 + H2SO4 = C6H5SO3H + H2O =>
C6H6 + H2SO4 = C6H5SO3H + H2O
HS{-}(aq) + O2(aq) + H{+} = S8(s) + H2O(l) =>
8 HS{-}(aq) + 4 O2(aq) + 8 H{+} = S8(s) + 8 H2O(l)
MgSO3(s) + HCl(aq) = MgCl2(aq) + H2O(l) + SO2(g) =>
MgSO3(s) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + SO2(g)
Ge + H2 = Ge2H2 =>
2 Ge + H2 = Ge2H2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
SO4{-3} + I = OI{-} + S + O =>
SO4{-3} + 3 I = 3 OI{-} + S + O
C6H12OS(s) + O2(g) = CO2(g) + H2O(l) + SO2 =>
2 C6H12OS(s) + 19 O2(g) = 12 CO2(g) + 12 H2O(l) + 2 SO2
H2CO3 + Cd = Cd(CO3)2 + H2 =>
2 H2CO3 + Cd = Cd(CO3)2 + 2 H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C6H6 + HCI = C6H5CI + H2 =>
C6H6 + HCI = C6H5CI + H2
Cl + Ca(OH)2 = CaOCl2 + H2O =>
2 Cl + Ca(OH)2 = CaOCl2 + H2O
K2Cr2O7 + HCl + NaOH = KOH + NaCl + Cr(OH)3 + Cl2 =>
K2Cr2O7 + 7 HCl + NaOH = 2 KOH + NaCl + 2 Cr(OH)3 + 3 Cl2
Ca(H2PO4)2 + NH4OH = (NH4)2HPO4 + Ca + O + H =>
Ca(H2PO4)2 + 4 NH4OH = 2(NH4)2HPO4 + Ca + 4 O + 6 H
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na2CO3(aq) + AgNO3(aq) = NaNO3(aq) + Ag2CO3(s) =>
Na2CO3(aq) + 2 AgNO3(aq) = 2 NaNO3(aq) + Ag2CO3(s)
H3PO3 + AlCl3 + H2O = Al + H3PO4 + HCl =>
3 H3PO3 + 2 AlCl3 + 3 H2O = 2 Al + 3 H3PO4 + 6 HCl
C2H5Br + H2O = C2H5OH + HBr =>
C2H5Br + H2O = C2H5OH + HBr
AgCl + NaS = NaCl + AgS =>
AgCl + NaS = NaCl + AgS
(NH4)2Ce(NO3)6 + NH2CONH2 = Ce2O3 + H2O + N2 + CO2 =>
6(NH4)2Ce(NO3)6 + 25 NH2CONH2 = 3 Ce2O3 + 74 H2O + 49 N2 + 25 CO2
C5H2F10 + H2O = HF + CH4 + O2 =>
C5H2F10 + 14 H2O = 10 HF + 5 CH4 + 7 O2
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