| Équations équilibrées la veille |
KHC2O4 + 2 NaOH = Na2C2O4 + KOH + H2O
H2MnO3 + HNO3 + NaBiO3 = HMnO4 + Bi(NO3)3 + NaNO3 + H2O =>
2 H2MnO3 + 12 HNO3 + 3 NaBiO3 = 2 HMnO4 + 3 Bi(NO3)3 + 3 NaNO3 + 7 H2O
Zn(NO3)2 + Na2S + H2O = Zn(OH)2 + NaOH + S + NO2 =>
Zn(NO3)2 + Na2S + 2 H2O = Zn(OH)2 + 2 NaOH + S + 2 NO2
KOH + Mg(NO3) = K(NO3) + Mg(OH) =>
KOH + Mg(NO3) = K(NO3) + Mg(OH)
Ni3N = Ni + N =>
Ni3N = 3 Ni + N
[Co(NH3)3(NO)2] + H2O2 + NO2 = [Co(NH3)3(NO2)3] + H2O =>
[Co(NH3)3(NO)2] + 2 H2O2 + NO2 = [Co(NH3)3(NO2)3] + 2 H2O
KClO4 + NH3 + KOH = KNO3 + KClCl2 + H2O =>
12 KClO4 + 11 NH3 + 3 KOH = 11 KNO3 + 4 KClCl2 + 18 H2O
AgNO3 + KCN = KAg(CN)2 + KNO3 =>
AgNO3 + 2 KCN = KAg(CN)2 + KNO3
NH3 + H3BO3 = H2BO3{-} + NH4{+} =>
NH3 + H3BO3 = H2BO3{-} + NH4{+}
HCl + KI = HClKI =>
HCl + KI = HClKI
BaSO4 + CuS = BaS + CuSO4 =>
BaSO4 + CuS = BaS + CuSO4
CaO + HO2 = CaH2 + O2 =>
2 CaO + 4 HO2 = 2 CaH2 + 5 O2
NaOH + HHSO4 = Na2SO4 + HHO =>
2 NaOH + HHSO4 = Na2SO4 + 2 HHO
V(OH)4Cl + SnCl2 + KCl = VOCl2 + SnCl4 + KOH + H2O =>
2 V(OH)4Cl + SnCl2 + 4 KCl = 2 VOCl2 + SnCl4 + 4 KOH + 2 H2O
As3S3 + HClO4 + H2O = H3AsO4 + H2SO4 + HCl =>
8 As3S3 + 33 HClO4 + 60 H2O = 24 H3AsO4 + 24 H2SO4 + 33 HCl
C6H4(COONa)2 + HCl = C6H4(COOH)2 + NaCl =>
C6H4(COONa)2 + 2 HCl = C6H4(COOH)2 + 2 NaCl
Al + HNO3 + O3 = Al(NO3)3 + H2O =>
2 Al + 6 HNO3 + O3 = 2 Al(NO3)3 + 3 H2O
CaS + Br2 = CaBr2 + S =>
CaS + Br2 = CaBr2 + S
MnO4K + HCl = MnCl2 + KCl + H2O + Cl =>
MnO4K + 8 HCl = MnCl2 + KCl + 4 H2O + 5 Cl
HCl(aq) + Na(aq)HCO3(aq) = NaCl(aq) + CO2(g) + H2O(l) =>
HCl(aq) + Na(aq)HCO3(aq) = NaCl(aq) + CO2(g) + H2O(l)
NH4NO3(aq) + Ba(OH)2(aq) = NH4OH(aq) + Ba(NO3)2(aq) =>
2 NH4NO3(aq) + Ba(OH)2(aq) = 2 NH4OH(aq) + Ba(NO3)2(aq)
Fe(C2O4)3 + Ba = Ba3[Fe(C2O4)3] =>
Fe(C2O4)3 + 3 Ba = Ba3[Fe(C2O4)3]
F2 + MnI = MnF3 + IF5 =>
4 F2 + MnI = MnF3 + IF5
C4H8O2 + H2O = C4H10O + CO2 =>
6 C4H8O2 + H2O = 5 C4H10O + 4 CO2
Ba + FeBr2 = BaBr2 + Fe =>
Ba + FeBr2 = BaBr2 + Fe
BaCl2 + I2 = BaI2 + ICl =>
BaCl2 + 2 I2 = BaI2 + 2 ICl
C6H14O2N4 + O2 = CO2 + H2O + N2 =>
2 C6H14O2N4 + 17 O2 = 12 CO2 + 14 H2O + 4 N2
As = As5 =>
5 As = As5
SiO2 + Nd + H2O = Si + Nd{3+} + OH{-} =>
3 SiO2 + 4 Nd + 6 H2O = 3 Si + 4 Nd{3+} + 12 OH{-}
FeCl2 + F = FeF2 + Cl =>
FeCl2 + 2 F = FeF2 + 2 Cl
KCIO3 + L2 + H2O = KCI + HLO3 =>
5 KCIO3 + 3 L2 + 3 H2O = 5 KCI + 6 HLO3
KH + H2O = H + KOH =>
KH + H2O = 2 H + KOH
HNO3 + K = KNO3 + H2 =>
2 HNO3 + 2 K = 2 KNO3 + H2
N2 + H2 = NH635 =>
N2 + 635 H2 = 2 NH635
FeCl2 + Na2S = NaCl + FeS =>
FeCl2 + Na2S = 2 NaCl + FeS
Ca(C2H3O2)2 + NaClO3 = Ca(ClO3)2 + NaC2H3O2 =>
Ca(C2H3O2)2 + 2 NaClO3 = Ca(ClO3)2 + 2 NaC2H3O2
Ba(OH)2 + H2(SO4) = BaSO4 + H(OH) =>
Ba(OH)2 + H2(SO4) = BaSO4 + 2 H(OH)
Cu(NO3)2(aq) + Na2CO3(aq) = CuCO3(ppt) + Na2(NO3)2(aq) =>
Cu(NO3)2(aq) + Na2CO3(aq) = CuCO3(ppt) + Na2(NO3)2(aq)
CO2 + H2O + Cl = C2H3Cl + O2 =>
8 CO2 + 6 H2O + 4 Cl = 4 C2H3Cl + 11 O2
K2CrO4 + H2SO4 = K2Cr2O7K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7K2SO4 + H2O
Na2Cr2O7 + HCl + NaI = NaCl + CrCl3 + I2 + H2O =>
Na2Cr2O7 + 14 HCl + 6 NaI = 8 NaCl + 2 CrCl3 + 3 I2 + 7 H2O
C11H12N2O2 + O2 = CO2 + H2O + CH4N2O =>
2 C11H12N2O2 + 23 O2 = 20 CO2 + 8 H2O + 2 CH4N2O
Al2(C2O4)3 + Cu(OH)2 = Cu2(C2O4)2 + Al(OH)3 =>
2 Al2(C2O4)3 + 6 Cu(OH)2 = 3 Cu2(C2O4)2 + 4 Al(OH)3
MnCl2 + (NH4)2CO3 = MnCO3 + NH4Cl =>
MnCl2 + (NH4)2CO3 = MnCO3 + 2 NH4Cl
C2H5OH + [O] = C2H4O + H2O =>
C2H5OH + [O] = C2H4O + H2O
Cl{-} + PbO2 + H{+} = Pb{+2} + H2O + Cl2 =>
2 Cl{-} + PbO2 + 4 H{+} = Pb{+2} + 2 H2O + Cl2
H2C2O4 + K2Cr2O7 + H2SO4 = KHSO4 + Cr2(SO4) + CO2 + H2O =>
5 H2C2O4 + K2Cr2O7 + 3 H2SO4 = 2 KHSO4 + Cr2(SO4) + 10 CO2 + 7 H2O
C2H7N + HBr = CH3CH2Br + NH3 =>
C2H7N + HBr = CH3CH2Br + NH3
Fe(CrO2)2 + O2 + K2CO3 = CO2 + Fe2O3 + K2CrO4 =>
4 Fe(CrO2)2 + 7 O2 + 8 K2CO3 = 8 CO2 + 2 Fe2O3 + 8 K2CrO4
Hg + H2CO3 = Hg(CO3) + H2 =>
Hg + H2CO3 = Hg(CO3) + H2
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