| Équations équilibrées la veille |
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
Fe2 + O3 = FeO =>
3 Fe2 + 2 O3 = 6 FeO
Cu{2+} + HNO2 + H2O = Cu + NO3{-} + H{+} =>
Cu{2+} + HNO2 + H2O = Cu + NO3{-} + 3 H{+}
Cs2SO4 + Ba(OH)2 = BaSO4 + CsOH =>
Cs2SO4 + Ba(OH)2 = BaSO4 + 2 CsOH
Bi(OH)3 + HNO3 = Bi(NO3)3 + H2O =>
Bi(OH)3 + 3 HNO3 = Bi(NO3)3 + 3 H2O
H3PO2 + KMnO4 + HNO3 = H3PO4 + KNO3 + Mn(NO3)2 + H2O =>
5 H3PO2 + 4 KMnO4 + 12 HNO3 = 5 H3PO4 + 4 KNO3 + 4 Mn(NO3)2 + 6 H2O
Au + NOCl = AuCl + NO =>
Au + NOCl = AuCl + NO
NaOH + Na2S = Na + SOH =>
NaOH + Na2S = 3 Na + SOH
Sr(OH)2 + SO2 = Sr(SO3)2 + H2 =>
Sr(OH)2 + 2 SO2 = Sr(SO3)2 + H2
SrBr2(aq) + (NH4)2CO3(aq) = SrCO3(s) + NH4Br(aq) =>
SrBr2(aq) + (NH4)2CO3(aq) = SrCO3(s) + 2 NH4Br(aq)
Ca5(PO4)3F + HNO3 = H3PO4 + Ca(NO3)2 + HF =>
Ca5(PO4)3F + 10 HNO3 = 3 H3PO4 + 5 Ca(NO3)2 + HF
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Na[Al(OH)4] + HNO3 = NaNO3 + Al(NO3)3 + H2O =>
Na[Al(OH)4] + 4 HNO3 = NaNO3 + Al(NO3)3 + 4 H2O
C6H12 + Br2 = C6H11Br + HBr =>
C6H12 + Br2 = C6H11Br + HBr
NaCrO2 + PbO2 + NaOH + H2O = Na2CrO4 + Na[Pb(OH)3] =>
2 NaCrO2 + 3 PbO2 + 5 NaOH + 2 H2O = 2 Na2CrO4 + 3 Na[Pb(OH)3]
NCl3 + H2O = NH3 + HOCl =>
NCl3 + 3 H2O = NH3 + 3 HOCl
H2O(l) + CO2(g) = H2CO3(aq) =>
H2O(l) + CO2(g) = H2CO3(aq)
K2(SO4) + BaI2 = KI + Ba(SO4) =>
K2(SO4) + BaI2 = 2 KI + Ba(SO4)
H3N + Ba(OH)2 = H2O + Ba3N2 =>
2 H3N + 3 Ba(OH)2 = 6 H2O + Ba3N2
(NH4)2(CO3) + CaCl2 = (NH4)Cl + Ca(CO3) =>
(NH4)2(CO3) + CaCl2 = 2(NH4)Cl + Ca(CO3)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Cr(OH)2 = CrO + H2O =>
Cr(OH)2 = CrO + H2O
Mg + S2 = MgS =>
2 Mg + S2 = 2 MgS
Cu + CaO = CuO + Ca =>
Cu + CaO = CuO + Ca
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
H2(SO4) + Na(CN) = HCN + Na2(SO4) =>
H2(SO4) + 2 Na(CN) = 2 HCN + Na2(SO4)
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Ca(OH)2NaSO4 = CaSO4Na(OH)2 =>
Ca(OH)2NaSO4 = CaSO4Na(OH)2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HI(g) = H2(g) + I2(g) =>
2 HI(g) = H2(g) + I2(g)
Cl{-} + CrO4{2-} + H{+} = Cl2 + Cr(OH)3 + H2O =>
6 Cl{-} + 2 CrO4{2-} + 10 H{+} = 3 Cl2 + 2 Cr(OH)3 + 2 H2O
FeCl3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + KCl =>
FeCl3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + 3 KCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Ba(s) + Cl(g) = BaCl2(s) =>
Ba(s) + 2 Cl(g) = BaCl2(s)
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
H3PO4 + Mg3(PO4)2 = MgHPO4 =>
H3PO4 + Mg3(PO4)2 = 3 MgHPO4
MgCO3 + NaBr = MgBr2 + Na2CO3 =>
MgCO3 + 2 NaBr = MgBr2 + Na2CO3
Sr + NaCl = SrCl2 + Na =>
Sr + 2 NaCl = SrCl2 + 2 Na
Cu(HCO3)2 + NaOH = Cu(OH)2 + NaHCO3 =>
Cu(HCO3)2 + 2 NaOH = Cu(OH)2 + 2 NaHCO3
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Mg + NaOH = Mg(OH)2 + Na =>
Mg + 2 NaOH = Mg(OH)2 + 2 Na
C12H22O11 + H2SO4 = SO2 + CO2 + H2O =>
C12H22O11 + 24 H2SO4 = 24 SO2 + 12 CO2 + 35 H2O
K2Cr3O10 + KI + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2Cr3O10 + 18 KI + 20 H2SO4 = 9 I2 + 3 Cr2(SO4)3 + 11 K2SO4 + 20 H2O
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
CuHCl = CuClH =>
CuHCl = CuClH
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