| Équations équilibrées la veille |
2 NH4 + 4 NO = 3 N2 + 4 H2O
N2SO4 + NaCl = Na2SO4 + NCl =>
N2SO4 + 2 NaCl = Na2SO4 + 2 NCl
NaCo3 + HCl = NaCl2 + H2Co3 =>
NaCo3 + 2 HCl = NaCl2 + H2Co3
Li + AuSO4 = Au + Li2SO4 =>
2 Li + AuSO4 = Au + Li2SO4
FeS + O2 = FeSO3 =>
2 FeS + 3 O2 = 2 FeSO3
CuOH + KCN = CuCN + KOH =>
CuOH + KCN = CuCN + KOH
Ca(NO3)2(aq) + NaOH(aq) = Ca(OH)2 + NaNO3 =>
Ca(NO3)2(aq) + 2 NaOH(aq) = Ca(OH)2 + 2 NaNO3
CuCl2 + Ag2SO4 = CuSO4 + Ag2Cl2 =>
CuCl2 + Ag2SO4 = CuSO4 + Ag2Cl2
Li3PO4 + Al(NO3)3 = AlPO4 + Li(NO3) =>
Li3PO4 + Al(NO3)3 = AlPO4 + 3 Li(NO3)
CrCl3(ac) + KClO3(ac) + KOH(ac) = K2CrO4(ac) + KCl(ac) + H2O(l) =>
2 CrCl3(ac) + KClO3(ac) + 10 KOH(ac) = 2 K2CrO4(ac) + 7 KCl(ac) + 5 H2O(l)
(h)Pb(NO3)2 = PbO + NO2 + O2 =>
2(h)Pb(NO3)2 = 2 PbO + 4 NO2 + O2
H2SiO3 + Na(OH) = Na2(SiO3) + H2O =>
H2SiO3 + 2 Na(OH) = Na2(SiO3) + 2 H2O
NaOH + HBrO = NaBrO + H2O =>
NaOH + HBrO = NaBrO + H2O
CH3COOH + Zn(OH) = Zn(CH3COO) + H2O =>
CH3COOH + Zn(OH) = Zn(CH3COO) + H2O
NaAlO2 + Al2(SO4)3 + H2O = Na2SO4 + Al(OH)3 =>
6 NaAlO2 + Al2(SO4)3 + 12 H2O = 3 Na2SO4 + 8 Al(OH)3
(NH4)2SO4 + NaCl = (NH4)2Cl + NaSO4 =>
(NH4)2SO4 + NaCl = (NH4)2Cl + NaSO4
ZnCl2(aq) + K2S(aq) = ZnS(aq) + KCl(aq) =>
ZnCl2(aq) + K2S(aq) = ZnS(aq) + 2 KCl(aq)
I{-} + P + H2O = PH3 + I2 + OH{-} =>
6 I{-} + 2 P + 6 H2O = 2 PH3 + 3 I2 + 6 OH{-}
K2HPO4 + NaOH = H2O + NaPO4 + K =>
K2HPO4 + NaOH = H2O + NaPO4 + 2 K
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Mg(s) + AlCl(aq) = Al(s) + MgCl2(aq) =>
Mg(s) + 2 AlCl(aq) = 2 Al(s) + MgCl2(aq)
C6H8O7(aq) + NaHCO3(s) = CO2(g) + H2O(l) + CH3COONa(s) =>
4 C6H8O7(aq) + 9 NaHCO3(s) = 15 CO2(g) + 7 H2O(l) + 9 CH3COONa(s)
Ca(CN)2 = Ca + CN =>
Ca(CN)2 = Ca + 2 CN
HCl + HIO3 + O2 = Cl{-} + IO3{+} + H2O =>
2 HCl + 2 HIO3 + O2 = 2 Cl{-} + 2 IO3{+} + 2 H2O
C6H12O(s) + O2(g) = CO2(g) + H2O(l) =>
2 C6H12O(s) + 17 O2(g) = 12 CO2(g) + 12 H2O(l)
K3PO4(aq) + BaCl2(aq) = KCl(aq) + Ba3(PO4)2(s) =>
2 K3PO4(aq) + 3 BaCl2(aq) = 6 KCl(aq) + Ba3(PO4)2(s)
KMnO4 + CH2CH2 + H2SO4 + H2O = CH2(OH)CH2(OH) + MnSO4 + K2SO4 =>
2 KMnO4 + 5 CH2CH2 + 3 H2SO4 + 2 H2O = 5 CH2(OH)CH2(OH) + 2 MnSO4 + K2SO4
Ba(OH)2 + NH4C2H3O2 = Ba(C2H3O2)2 + NH4OH =>
Ba(OH)2 + 2 NH4C2H3O2 = Ba(C2H3O2)2 + 2 NH4OH
Hg(ClO3)2 + Na2Cr2O7 = HgCr2O7(s) + NaCl + O2 =>
Hg(ClO3)2 + Na2Cr2O7 = HgCr2O7(s) + 2 NaCl + 3 O2
H2O + AgI = HI + Ag2O =>
H2O + 2 AgI = 2 HI + Ag2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H4O =>
26 K4Fe(CN)6 + 242 KMnO4 + 627 H2SO4 = 346 KHSO4 + 13 Fe2(SO4)3 + 242 MnSO4 + 156 HNO3 + 156 CO2 + 188 H4O
Cr2O3 + Co = Co3O2 + Cr =>
2 Cr2O3 + 9 Co = 3 Co3O2 + 4 Cr
NaI(aq) + BaS(aq) = BaI2 + Na2S =>
2 NaI(aq) + BaS(aq) = BaI2 + Na2S
HgS + SnCl2 = HgCl2 + SnS =>
HgS + SnCl2 = HgCl2 + SnS
AlOH = H2O + Al2O =>
2 AlOH = H2O + Al2O
C2H5NH3Cl + NaOH = C2H5NH2 + NaCl + H2O =>
C2H5NH3Cl + NaOH = C2H5NH2 + NaCl + H2O
C3H6 + O2(g) = CO2(g) + H2O(l) =>
2 C3H6 + 9 O2(g) = 6 CO2(g) + 6 H2O(l)
K2MnO4 + H2SO4 + Zn = ZnSO4 + MnSO4 + KSO4 + H2O =>
K2MnO4 + 4 H2SO4 + Zn = ZnSO4 + MnSO4 + 2 KSO4 + 4 H2O
(NH4)2SO4 + CaCO3 = (NH4)2CO3 + CaSO4 =>
(NH4)2SO4 + CaCO3 = (NH4)2CO3 + CaSO4
S + NO3{-} = SO4{-2} + NO =>
S + 2 NO3{-} = SO4{-2} + 2 NO
CO(g) + H2O = CO2(g) + H =>
CO(g) + H2O = CO2(g) + 2 H
CaO + N2 = Ca + N2O =>
CaO + N2 = Ca + N2O
K + Ca(ClO3)2 = K(ClO3) + Ca =>
2 K + Ca(ClO3)2 = 2 K(ClO3) + Ca
Au + Fe = AuFe =>
Au + Fe = AuFe
C17H35COOH(g) + O2(g) = CO2(g) + H2O(g) =>
C17H35COOH(g) + 26 O2(g) = 18 CO2(g) + 18 H2O(g)
Ni + H2SO4 + H2O = NiSO4*7H2O + H2 =>
Ni + H2SO4 + 7 H2O = NiSO4*7H2O + H2
Al + Cr(C2H3O2)2 = Cr + Al(C2H3O2)3 =>
2 Al + 3 Cr(C2H3O2)2 = 3 Cr + 2 Al(C2H3O2)3
Cu(s) + Ag(NO3)(aq) = Ag(s) + Cu(NO3)2(aq) =>
Cu(s) + 2 Ag(NO3)(aq) = 2 Ag(s) + Cu(NO3)2(aq)
C6H7ON + C4H6O3 = C8H9O2N + C2H4O2 =>
C6H7ON + C4H6O3 = C8H9O2N + C2H4O2
CrI6 = Cr + I2 =>
CrI6 = Cr + 3 I2
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