| Équations équilibrées la veille |
8 NaI + 9 H2SO4 = H2S + 4 I2 + 8 NaHSO4 + 4 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CH3CH(OH)CH3 + CrO3 = CH3COCH3 + Cr + H2O =>
3 CH3CH(OH)CH3 + CrO3 = 3 CH3COCH3 + Cr + 3 H2O
NH4NO3 + KOH = NH4OH + KNO3 =>
NH4NO3 + KOH = NH4OH + KNO3
NaHCO3 + H3BO3 = Na3BO3 + CO2 + H2O =>
3 NaHCO3 + H3BO3 = Na3BO3 + 3 CO2 + 3 H2O
MgSO4 + Na3PO4 = Mg3(PO4)2 + Na2SO4 =>
3 MgSO4 + 2 Na3PO4 = Mg3(PO4)2 + 3 Na2SO4
NaI + H2SO4 = I2 + Na2SO4 + SO2 + H2O =>
2 NaI + 2 H2SO4 = I2 + Na2SO4 + SO2 + 2 H2O
K2CrO7 + SNCl2 + HCl = CrCl3 + SNCl4 + KCl4 + H2O =>
2 K2CrO7 + 3 SNCl2 + 28 HCl = 2 CrCl3 + 3 SNCl4 + 4 KCl4 + 14 H2O
Fe + Sn(No3)3 = Fe(No3)3 + Sn =>
Fe + Sn(No3)3 = Fe(No3)3 + Sn
MgCO3 + HCl(aq) = MgCl2(aq) + H2O(l) + CO2 =>
MgCO3 + 2 HCl(aq) = MgCl2(aq) + H2O(l) + CO2
NH4NO3 + KOH = NH4OH + KNO3 =>
NH4NO3 + KOH = NH4OH + KNO3
KCl + Ag = AgCl + K =>
KCl + Ag = AgCl + K
Na2SO3 + Cu(OH)2 = CuSO3 + NaOH =>
Na2SO3 + Cu(OH)2 = CuSO3 + 2 NaOH
NaI + H2SO4 = H2S + I2 + Na2SO4 + H2O =>
8 NaI + 5 H2SO4 = H2S + 4 I2 + 4 Na2SO4 + 4 H2O
SrCrO4 + AgNO3 = Ag2CrO4 + Sr(NO3)2 =>
SrCrO4 + 2 AgNO3 = Ag2CrO4 + Sr(NO3)2
KNO3 + NaCH3COO = K2CO3 + Na2CO3 + H2O + N2 + CO =>
10 KNO3 + 8 NaCH3COO = 5 K2CO3 + 4 Na2CO3 + 12 H2O + 5 N2 + 7 CO
CoCl2 + NaOH + H2O2 = Co(OH)3 + NaCl =>
2 CoCl2 + 4 NaOH + H2O2 = 2 Co(OH)3 + 4 NaCl
KOH + FeCl2 = Fe(OH)2 + KCl =>
2 KOH + FeCl2 = Fe(OH)2 + 2 KCl
NaI + H2SO4 = Na2SO4 + HI =>
2 NaI + H2SO4 = Na2SO4 + 2 HI
Co + NO = Co2NO =>
2 Co + NO = Co2NO
AgF + CuSO4 = Ag2SO4 + CuF2 =>
2 AgF + CuSO4 = Ag2SO4 + CuF2
NH4NO3 = N2(O) + H2(O) =>
NH4NO3 = N2(O) + 2 H2(O)
Ca(OH)2 + NaOH = Na2(Ca(OH)4) =>
Ca(OH)2 + 2 NaOH = Na2(Ca(OH)4)
KOH + SiO2 = SiOH + KO2 =>
KOH + SiO2 = SiOH + KO2
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
C3H60S2(s) + O2(g) = CO2(g) + H2O(g) + SO2(g) =>
C3H60S2(s) + 20 O2(g) = 3 CO2(g) + 30 H2O(g) + 2 SO2(g)
MnSO4 + Ag2O2 = MnO2 + Ag2SO4 =>
MnSO4 + Ag2O2 = MnO2 + Ag2SO4
NaHCO3 + H3BO3 = Na3BO3 + CO2 + H2O =>
3 NaHCO3 + H3BO3 = Na3BO3 + 3 CO2 + 3 H2O
Fe + Sr(OH)2 = Sr + Fe(OH)2 =>
Fe + Sr(OH)2 = Sr + Fe(OH)2
Fe + C = FeC =>
Fe + C = FeC
NaOH + KNO3 = KOH + NaNO3 =>
NaOH + KNO3 = KOH + NaNO3
NH4NO3 + CaCl2 = NH4Cl + Ca(NO3)2 =>
2 NH4NO3 + CaCl2 = 2 NH4Cl + Ca(NO3)2
Na + Cd(NO3)2 = Na(NO3)2 + Cd =>
Na + Cd(NO3)2 = Na(NO3)2 + Cd
Fe(s) + HCl(aq) = FeCl(aq) + H2(g) =>
2 Fe(s) + 2 HCl(aq) = 2 FeCl(aq) + H2(g)
HI + OH = I + H2O =>
HI + OH = I + H2O
Mg + CaO = Ca + Mg2O2 =>
2 Mg + 2 CaO = 2 Ca + Mg2O2
C52H103O7 + O2 = CO2 + H2O =>
4 C52H103O7 + 297 O2 = 208 CO2 + 206 H2O
Fe(s) + HCl(aq) = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl(aq) = FeCl2(aq) + H2(g)
NaClO + H2O + I2 = HIO3 + NaCl =>
5 NaClO + H2O + I2 = 2 HIO3 + 5 NaCl
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cu(NO3)2 + HNO = Cu + NO + H2O =>
Cu(NO3)2 + 8 HNO = Cu + 10 NO + 4 H2O
Cr2(SO4)3 + K2SO4 = CrK(SO4)2 =>
Cr2(SO4)3 + K2SO4 = 2 CrK(SO4)2
Ca{2} + HCO3{-} + Ca(OH)2 = CaCO3 + H2O =>
Ca{2} + 2 HCO3{-} + Ca(OH)2 = 2 CaCO3 + 2 H2O
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
CH3COO{-} + H2SO4 = CHCOOH + SO2 + SO42{-} + H2O =>
2 CH3COO{-} + 81.000000000001H2SO4 = 2 CHCOOH + 79.000000000001SO2 + 2 SO42{-} + 82.000000000001H2O
CuCl2*2H2O + Al(NO3)3*9H2O + NaOH + C6H12O6 + CrCl2*6H2O = Cu100Al66Cr34O200 + NaCl + H2O + NaNO3 + C6H12O7 =>
100 CuCl2*2H2O + 66 Al(NO3)3*9H2O + 466 NaOH + 33 C6H12O6 + 34 CrCl2*6H2O = Cu100Al66Cr34O200 + 268 NaCl + 1231 H2O + 198 NaNO3 + 33 C6H12O7
H2Se + Hg(OH) = Hg2Se + H2O =>
H2Se + 2 Hg(OH) = Hg2Se + 2 H2O
C4H8O + KMnO4 + H2O = C4H8O2 + MnO2 + KOH =>
3 C4H8O + 2 KMnO4 + H2O = 3 C4H8O2 + 2 MnO2 + 2 KOH
B2O3 + HNO3 = B(NO3)3 + H2O =>
B2O3 + 6 HNO3 = 2 B(NO3)3 + 3 H2O
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