| Équations équilibrées la veille |
4 H{+} + MnO4{-} + 3 C2O4{-} = MnO2 + 6 CO2 + 2 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Na2S + Br2 + NaOH = Na2SO4 + NaBr + H2O =>
Na2S + 4 Br2 + 8 NaOH = Na2SO4 + 8 NaBr + 4 H2O
NaF + Br2 = NaBr + F2 = =>
2 NaF + Br2 = 2 NaBr + F2
NH4Cl + PbNO4 = NH4NO4 + PbCl =>
NH4Cl + PbNO4 = NH4NO4 + PbCl
Hg + Cr2O7{-2} + H{+} = Hg{+2} + Cr{3+} + H2O =>
3 Hg + Cr2O7{-2} + 14 H{+} = 3 Hg{+2} + 2 Cr{3+} + 7 H2O
Na2CO3 + C2H4O2 = CO2 + H2O + NaC2H3O2 =>
Na2CO3 + 2 C2H4O2 = CO2 + H2O + 2 NaC2H3O2
Al2S3 + O2 = Al2O3 + SO3 =>
Al2S3 + 6 O2 = Al2O3 + 3 SO3
K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O = K2Cr2O7 + H2SO4 + FeSO4 =>
K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O = K2Cr2O7 + 7 H2SO4 + 6 FeSO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CrCl3 + KIO3 + KOH = KI + K2CrO4 + KCl + H2O =>
2 CrCl3 + KIO3 + 10 KOH = KI + 2 K2CrO4 + 6 KCl + 5 H2O
NiCO3 + Al(OH)3 = Ni(OH)2 + Al2(CO3)3 =>
3 NiCO3 + 2 Al(OH)3 = 3 Ni(OH)2 + Al2(CO3)3
H2S + O2 = S + H2O =>
2 H2S + O2 = 2 S + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
HBr + NaO = NaBr + HO =>
HBr + NaO = NaBr + HO
HgO + Cl2 = HgCl + O2 =>
2 HgO + Cl2 = 2 HgCl + O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
NaOHMg = MgNaOH =>
NaOHMg = MgNaOH
Al2(SO4)3 + Ba3(PO4)2 = AlPO4 + BaSO4 =>
Al2(SO4)3 + Ba3(PO4)2 = 2 AlPO4 + 3 BaSO4
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
R = R2 =>
2 R = R2
CuSO4 + K4[Fe(CN)6] = FeSO4 + K4[Cu(CN)6] =>
CuSO4 + K4[Fe(CN)6] = FeSO4 + K4[Cu(CN)6]
K2Cr2O7 + HI + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
K2Cr2O7 + 6 HI + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
C2H8(l) + O2(g) = CO2(g) + H2O(g) =>
C2H8(l) + 4 O2(g) = 2 CO2(g) + 4 H2O(g)
SF6 = S8 + F2 =>
8 SF6 = S8 + 24 F2
NaOH(aq) + NiCl2(aq) = NaCl + Ni(OH) + Cl2 =>
2 NaOH(aq) + 2 NiCl2(aq) = 2 NaCl + 2 Ni(OH) + Cl2
Ca + C10H16N2O8 = C10H16N2O8Ca2 =>
2 Ca + C10H16N2O8 = C10H16N2O8Ca2
Hg(NO3)2 + KI = HgI2(s) + KNO3 =>
Hg(NO3)2 + 2 KI = HgI2(s) + 2 KNO3
CBr4(g) + O2(g) = COBr2(i) + Br2(i) =>
2 CBr4(g) + O2(g) = 2 COBr2(i) + 2 Br2(i)
CaCrO4 + AgNO3 = AgCrO4 + CaNO3 =>
CaCrO4 + AgNO3 = AgCrO4 + CaNO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
SnCl2 + KIO3 + HCl = SnCl4 + KI + H2O =>
3 SnCl2 + KIO3 + 6 HCl = 3 SnCl4 + KI + 3 H2O
KMnO4 + HNO3 = KH + MnO4NO3 =>
KMnO4 + HNO3 = KH + MnO4NO3
PbS + HNO3 = PbSO3 + NO2 + H2O =>
PbS + 6 HNO3 = PbSO3 + 6 NO2 + 3 H2O
Na2O + H3PO4 = Na3P5O14 + H2O =>
3 Na2O + 10 H3PO4 = 2 Na3P5O14 + 15 H2O
NaSO3 + KMnO4 + H2O = NaOH + KOH + Mn(OH)2 + H2SO4 =>
5 NaSO3 + KMnO4 + 9 H2O = 5 NaOH + KOH + Mn(OH)2 + 5 H2SO4
KMnO4(aq) + KI + H2SO4 = MnSO4 + K2SO4 + H2O + I2 =>
2 KMnO4(aq) + 10 KI + 8 H2SO4 = 2 MnSO4 + 6 K2SO4 + 8 H2O + 5 I2
Pb + Cu2O = Cu + PbO2 =>
Pb + 2 Cu2O = 4 Cu + PbO2
C16H30O2 + C6H10 = C16H33O2 + C6H6 =>
4 C16H30O2 + 3 C6H10 = 4 C16H33O2 + 3 C6H6
NO + H2O2 = N2O4 + H2O =>
2 NO + 2 H2O2 = N2O4 + 2 H2O
As2O3 + NaOH + Al + H2O = AsH3 + Na[Al(OH)4] =>
As2O3 + 4 NaOH + 4 Al + 9 H2O = 2 AsH3 + 4 Na[Al(OH)4]
AgF + H3PO4 = HF + Ag3PO4 =>
3 AgF + H3PO4 = 3 HF + Ag3PO4
C6H5CH2Br + C6H5ClO + NaOH = C13H11ClO + NaBr + H2O =>
C6H5CH2Br + C6H5ClO + NaOH = C13H11ClO + NaBr + H2O
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