| Équations équilibrées la veille |
8 Zn(s) + 30 HNO3(aq) = 8 Zn(NO3)3(aq) + 3 N2O(g) + 15 H2O(l)
NH3 + SO2 + O2 + H2O = [NH4]2SO4 =>
4 NH3 + 2 SO2 + O2 + 2 H2O = 2[NH4]2SO4
Ca(OCl)2 + Na3[Cr(OH)6] = Na2CrO4 + NaOH + CaCl2 + H2O =>
3 Ca(OCl)2 + 4 Na3[Cr(OH)6] = 4 Na2CrO4 + 4 NaOH + 3 CaCl2 + 10 H2O
H2O + C02 = C7H8 + O2 =>
8 H2O + 7 C02 = 2 C7H8 + 4 O2
Zn2 + Cu(II)(SO4) = Zn(II)(SO4) + Cu =>
Zn2 + 2 Cu(II)(SO4) = 2 Zn(II)(SO4) + 2 Cu
Fe2(CO)9 + HNO3 = Fe(NO3)3 + CO2 + NO2 + H2O =>
Fe2(CO)9 + 30 HNO3 = 2 Fe(NO3)3 + 9 CO2 + 24 NO2 + 15 H2O
Ca3 + K2Co3 = CaCo3 + K2 =>
Ca3 + 3 K2Co3 = 3 CaCo3 + 3 K2
NO + H2O + HClO = HNO3 + HCl =>
2 NO + H2O + 3 HClO = 2 HNO3 + 3 HCl
Ni3S2 + O2 = NiO + SO2 =>
2 Ni3S2 + 7 O2 = 6 NiO + 4 SO2
AgNO3(s) + NaBr(s) = AgBr(s) + NaNO3(s) =>
AgNO3(s) + NaBr(s) = AgBr(s) + NaNO3(s)
BaCl2 + K2S = BaS + K2Cl2 =>
BaCl2 + K2S = BaS + K2Cl2
ZnClO2 = ZnCl + O2 =>
ZnClO2 = ZnCl + O2
C5H11O5CHO + AgNO3 + NaOH = C5H11O5COOH + Ag + NaNO3 + H2O =>
C5H11O5CHO + 2 AgNO3 + 2 NaOH = C5H11O5COOH + 2 Ag + 2 NaNO3 + H2O
NH2CONH2 + HCl + H2O = NH2COOH + NH4 + Cl =>
NH2CONH2 + HCl + H2O = NH2COOH + NH4 + Cl
ZnO + CO = Zn + CO2 =>
ZnO + CO = Zn + CO2
Fe2(SO4)3 + Na2SO3 + H2O = FeSO4 + Na2SO4 + H2SO4 =>
Fe2(SO4)3 + Na2SO3 + H2O = 2 FeSO4 + Na2SO4 + H2SO4
Se + Br = SeBr2 =>
Se + 2 Br = SeBr2
PCl3 + KMnO4 + H2SO4 + H2O = MnSO4 + H3PO4 + HCl + K3PO4 =>
15 PCl3 + 6 KMnO4 + 6 H2SO4 + 36 H2O = 6 MnSO4 + 13 H3PO4 + 45 HCl + 2 K3PO4
Mg2(PO4)2 + H2SO4 = MgSO4 + H2PO4 =>
Mg2(PO4)2 + 2 H2SO4 = 2 MgSO4 + 2 H2PO4
Cu(ClO4)2(aq) + Na2S(aq) = CuS(s) + NaClO4(aq) =>
Cu(ClO4)2(aq) + Na2S(aq) = CuS(s) + 2 NaClO4(aq)
I2 + KOH = KI + KIO3 + H2O =>
3 I2 + 6 KOH = 5 KI + KIO3 + 3 H2O
V2(CrO4)5 + Al(NO3)3 = V(NO3)5 + Al2(CrO4)3 =>
3 V2(CrO4)5 + 10 Al(NO3)3 = 6 V(NO3)5 + 5 Al2(CrO4)3
NaHSO3 + KIO3 = I2 + Na2SO4 + H2SO4 + K2SO4 + H2O =>
10 NaHSO3 + 4 KIO3 = 2 I2 + 5 Na2SO4 + 3 H2SO4 + 2 K2SO4 + 2 H2O
Ba(OH)2 + Na2HPO4 = Ba(HPO4) + Na(OH) =>
Ba(OH)2 + Na2HPO4 = Ba(HPO4) + 2 Na(OH)
Fe(OH)2 + ZnSO4 = FeSO4 + Zn(OH)2 =>
Fe(OH)2 + ZnSO4 = FeSO4 + Zn(OH)2
Fe(OH)3 + (NH4)2SO4 = NH4OH + Fe2(SO4)3 =>
2 Fe(OH)3 + 3(NH4)2SO4 = 6 NH4OH + Fe2(SO4)3
Ca3P2 + KMnO4 + H2SO4 = Ca3(PO4)2 + K2SO4 + MnSO4 + H2O =>
5 Ca3P2 + 16 KMnO4 + 24 H2SO4 = 5 Ca3(PO4)2 + 8 K2SO4 + 16 MnSO4 + 24 H2O
NH4Cl + BaI2 = NH4I2 + BaCl =>
NH4Cl + BaI2 = NH4I2 + BaCl
K + F2 = KF =>
2 K + F2 = 2 KF
KClO3 + Fe(NO3)3 = K(NO3)3 + FeClO3 =>
KClO3 + Fe(NO3)3 = K(NO3)3 + FeClO3
Cs2Te + Se = Cs2Se + Te =>
Cs2Te + Se = Cs2Se + Te
Na + H(OH) = H + NaOH =>
Na + H(OH) = H + NaOH
HCO3 + H2O = H3O{+} + CO3{-} + } =>
HCO3 + H2O = H3O{+} + CO3{-} + }
NO2 + SrO = Sr + NO3 =>
NO2 + SrO = Sr + NO3
Li2O + H3PO4 = H3O + Li2PO4 =>
Li2O + H3PO4 = H3O + Li2PO4
Ca(s) + H2O(l) = Ca(OH)2(s) + H2 =>
Ca(s) + 2 H2O(l) = Ca(OH)2(s) + H2
Zn(s) + AuCl3(ac) = ZnCl2(ac) + Au(s) =>
3 Zn(s) + 2 AuCl3(ac) = 3 ZnCl2(ac) + 2 Au(s)
KOH + Pb(NO3)2 = KNO3 + Pb(OH)2 =>
2 KOH + Pb(NO3)2 = 2 KNO3 + Pb(OH)2
I{-} + IO3{-} + H2SO4 = I2 + SO4{-2} + H2O =>
5 I{-} + IO3{-} + 3 H2SO4 = 3 I2 + 3 SO4{-2} + 3 H2O
I2(s) + OH{-}(aq) = I{-}(aq) + H2O(l) + IO3{-}(aq) =>
3 I2(s) + 6 OH{-}(aq) = 5 I{-}(aq) + 3 H2O(l) + IO3{-}(aq)
H2CO3 + NH3 = CO3{2-} + NH4{+} =>
H2CO3 + 2 NH3 = CO3{2-} + 2 NH4{+}
ClO2F2 + HCl = Cl2 + HF + H2O =>
2 ClO2F2 + 12 HCl = 7 Cl2 + 4 HF + 4 H2O
HFO3 + Sr(OH)2 = H2O + Sr(FO3)2 =>
2 HFO3 + Sr(OH)2 = 2 H2O + Sr(FO3)2
Al + NaCl = Na + ClAl =>
Al + NaCl = Na + ClAl
Ca + H3PO4 = Ca3(PO4) + H2 =>
6 Ca + 2 H3PO4 = 2 Ca3(PO4) + 3 H2
HCH3CO2 + CaCO3 = HCH3CO3 + CaCO2 =>
HCH3CO2 + CaCO3 = HCH3CO3 + CaCO2
HBr + Co = H2 + CoBr =>
2 HBr + 2 Co = H2 + 2 CoBr
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
H{+} + (Cr2O7)2{-} + C2H5OH = Cr3{+} + CH3COOH + H2O =>
28 H{+} + 12(Cr2O7)2{-} + 77 C2H5OH = 16 Cr3{+} + 77 CH3COOH + 91 H2O
I2 + NH3 = N2H3I + NH4I =>
2 I2 + 5 NH3 = N2H3I + 3 NH4I
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