| Équations équilibrées la veille |
3 MgBr2 + Al2(CO3)3 = 2 AlBr3 + 3 MgCO3
C3H5Cl2 + O2 = CO2 + H2O + HCl =>
4 C3H5Cl2 + 15 O2 = 12 CO2 + 6 H2O + 8 HCl
CH2OHCH2OH + CuO = C2H4O2 + Cu + H2O =>
CH2OHCH2OH + CuO = C2H4O2 + Cu + H2O
NaOHFe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
NaOHFe(NO3)3 + 2 NaOH = Fe(OH)3 + 3 NaNO3
(NH3)2S + HCl = H2S + NH3Cl =>
(NH3)2S + 2 HCl = H2S + 2 NH3Cl
K3PO4 + Mg(SO4) = K2SO4 + Mg3(PO4)2 =>
2 K3PO4 + 3 Mg(SO4) = 3 K2SO4 + Mg3(PO4)2
K2Cr2O7 + BaCl2 + H2O = BaCrO4 + HCl + KOH =>
K2Cr2O7 + 2 BaCl2 + 3 H2O = 2 BaCrO4 + 4 HCl + 2 KOH
KOH + SO3 = KOHSO3 =>
KOH + SO3 = KOHSO3
NaHCo3 + H2O = H2Co3 + NaOH =>
NaHCo3 + H2O = H2Co3 + NaOH
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + CrSO4 + K2SO4 + H2O =>
4 Zn + K2Cr2O7 + 7 H2SO4 = 4 ZnSO4 + 2 CrSO4 + K2SO4 + 7 H2O
K3PO4 + Mg(SO4) = K2SO4 + Mg3(PO4)2 =>
2 K3PO4 + 3 Mg(SO4) = 3 K2SO4 + Mg3(PO4)2
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
AgSO4 + CuI = AgI + CuSO4 =>
AgSO4 + CuI = AgI + CuSO4
SiO2 + KOH = K2OSiO2 + H2O =>
SiO2 + 2 KOH = K2OSiO2 + H2O
C8H10N4O2 + O2 = NO2 + CO2 + H2O =>
2 C8H10N4O2 + 27 O2 = 8 NO2 + 16 CO2 + 10 H2O
(CuOH)2SO4 = CuSO4 + CuO + H2O =>
(CuOH)2SO4 = CuSO4 + CuO + H2O
NO3{-} + S2O3{2-} + H2O = N2 + SO4{2-} + H{+} =>
8 NO3{-} + 5 S2O3{2-} + H2O = 4 N2 + 10 SO4{2-} + 2 H{+}
NaHCo3 + H2O = H2Co3 + NaOH =>
NaHCo3 + H2O = H2Co3 + NaOH
C2H5OH + K2CrO7 + H2SO4 = Cr2(SO4)3 + CH3COOH + H2O + K2SO4 =>
9 C2H5OH + 4 K2CrO7 + 10 H2SO4 = 2 Cr2(SO4)3 + 9 CH3COOH + 19 H2O + 4 K2SO4
NaHCO3 + H2O = NaOH + H2CO3 =>
NaHCO3 + H2O = NaOH + H2CO3
BiO3{-} + Cr{3+} + H{+} = Cr2O7{2-} + Bi{3+} + H2O =>
3 BiO3{-} + 2 Cr{3+} + 4 H{+} = Cr2O7{2-} + 3 Bi{3+} + 2 H2O
BPO4 + NH5F2 = BP + F2 + H2O + N2 =>
5 BPO4 + 8 NH5F2 = 5 BP + 8 F2 + 20 H2O + 4 N2
KOH + SO3 = KOHSO3 =>
KOH + SO3 = KOHSO3
K2Cr2O7 + BaCl2 + H2O = BaCrO4 + KCl + HCl =>
K2Cr2O7 + 2 BaCl2 + H2O = 2 BaCrO4 + 2 KCl + 2 HCl
Al(NO3)3 + NaHO = Na(NO3) + Al(HO)3 =>
Al(NO3)3 + 3 NaHO = 3 Na(NO3) + Al(HO)3
C3H8O + Na2Cr2O7 + H2SO4 = C2H4O + Cr2(SO4)3 + H2O + Na2SO4 =>
2 C3H8O + Na2Cr2O7 + 4 H2SO4 = 3 C2H4O + Cr2(SO4)3 + 6 H2O + Na2SO4
CuSO4 + KI + H2SO4 = I2 + CuSO3 + K2SO4 + H2O =>
CuSO4 + 2 KI + H2SO4 = I2 + CuSO3 + K2SO4 + H2O
HNO2 + K2O = H2O + KNO2 =>
2 HNO2 + K2O = H2O + 2 KNO2
CuSO4 + Na2CO3 + H2O = Na2SO4 + CO2 + Cu(OH)2 =>
CuSO4 + Na2CO3 + H2O = Na2SO4 + CO2 + Cu(OH)2
K2Cr2O7 + BaCl2 + H2O = BaCrO4 + HCl + KOH =>
K2Cr2O7 + 2 BaCl2 + 3 H2O = 2 BaCrO4 + 4 HCl + 2 KOH
HClO4(aq) + Mg(OH)2(S) = Mg(ClO4)2(S) + H2O(l) =>
2 HClO4(aq) + Mg(OH)2(S) = Mg(ClO4)2(S) + 2 H2O(l)
NiSO4 + Br2 + NaOH = NiO(OH) + Na2SO4 + NaBr + H2O =>
2 NiSO4 + Br2 + 6 NaOH = 2 NiO(OH) + 2 Na2SO4 + 2 NaBr + 2 H2O
V + HF + HNO3 = H2VF7 + NO + H2O =>
3 V + 21 HF + 5 HNO3 = 3 H2VF7 + 5 NO + 10 H2O
C3H8O + Na2Cr2O7 + H2SO4 = C3H6O + Cr2(SO4)3 + Na2SO4 + H2O =>
3 C3H8O + Na2Cr2O7 + 4 H2SO4 = 3 C3H6O + Cr2(SO4)3 + Na2SO4 + 7 H2O
CrO3 + N2 = Cr + NO =>
2 CrO3 + 3 N2 = 2 Cr + 6 NO
Ni2S3 + O2 = Ni + SO2 =>
Ni2S3 + 3 O2 = 2 Ni + 3 SO2
Na + PbCl2 = NaPb + Cl2 =>
Na + PbCl2 = NaPb + Cl2
KOH + ZnCO3 = K2CO3 + Zn(OH)2 =>
2 KOH + ZnCO3 = K2CO3 + Zn(OH)2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Al + KNO3 + KOH + H2O = K[Al(OH)4] + NH3 =>
8 Al + 3 KNO3 + 5 KOH + 18 H2O = 8 K[Al(OH)4] + 3 NH3
HOBr + C3H6 = C3H6OHBr =>
HOBr + C3H6 = C3H6OHBr
Sr(OH)2 + K2SO4 = SrSO4 + KOH =>
Sr(OH)2 + K2SO4 = SrSO4 + 2 KOH
Mg + NH3Cl = MgCl2 + NH3 =>
Mg + 2 NH3Cl = MgCl2 + 2 NH3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
K(NO3)2 + C + S = N2 + CO2 + KS =>
K(NO3)2 + 3 C + S = N2 + 3 CO2 + KS
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
KOH + N2SO4 = K2SO4 + N(OH) =>
2 KOH + N2SO4 = K2SO4 + 2 N(OH)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CO2 + H2O = C2H5OH + O3 =>
2 CO2 + 3 H2O = C2H5OH + 2 O3
C9H15O5N + O2 = CO2 + NH3 + H2O =>
2 C9H15O5N + 19 O2 = 18 CO2 + 2 NH3 + 12 H2O
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