| Équations équilibrées la veille |
H3PO4 + 3 NH4OH = 3 HOH + (NH4)3PO4
NiS + O2 = NiO + SO2 =>
2 NiS + 3 O2 = 2 NiO + 2 SO2
FeCl2 + H2S + CaCO3 = FeS + CaCl2 + H2CO3 =>
FeCl2 + H2S + CaCO3 = FeS + CaCl2 + H2CO3
Fe(OH)3 + Cl2 + KOH = K2FeO4 + KCl + H2O =>
2 Fe(OH)3 + 3 Cl2 + 10 KOH = 2 K2FeO4 + 6 KCl + 8 H2O
LiCl + Na2SO3 = NaCl + Li2SO3 =>
2 LiCl + Na2SO3 = 2 NaCl + Li2SO3
Na2S2O3 + H2O + Br2 = NaHSO4 + HBr =>
Na2S2O3 + 5 H2O + 4 Br2 = 2 NaHSO4 + 8 HBr
H2SnCl6 + KCl = K2SnCl6 + HCl =>
H2SnCl6 + 2 KCl = K2SnCl6 + 2 HCl
FeOH + NO2 = FeOHNO2 =>
FeOH + NO2 = FeOHNO2
K2CO3 + MgS = MgCO3 + K2S =>
K2CO3 + MgS = MgCO3 + K2S
Zn(OH)2 + HCl = ZnCl2 + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2 + 2 H2O
Ca(OH)2 + N = Ca3N2 + OH =>
3 Ca(OH)2 + 2 N = Ca3N2 + 6 OH
Na2(Cu(OH)4) = Cu(OH)2 + NaOH =>
Na2(Cu(OH)4) = Cu(OH)2 + 2 NaOH
Na2(Be(OH)4) + CO2 = BeCO3 + NaOH + H2O =>
Na2(Be(OH)4) + CO2 = BeCO3 + 2 NaOH + H2O
H3PO4 + Ba(OH)2 = Ba3PO4 + H(OH)2 =>
H3PO4 + 3 Ba(OH)2 = Ba3PO4 + 3 H(OH)2
CHCOH + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 CHCOH + 4 KMnO4 + 6 H2SO4 = 10 HCOOH + 4 MnSO4 + 2 K2SO4 + H2O
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Al2(SO4)3 + KI + KIO3 + H2O = Al(OH)3 + I2 + K2SO4 =>
Al2(SO4)3 + 5 KI + KIO3 + 3 H2O = 2 Al(OH)3 + 3 I2 + 3 K2SO4
Br2Br2 + N2N2 = NBr3 =>
3 Br2Br2 + N2N2 = 4 NBr3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na3PO4 + CsOH = Na3OH + CsPO4 =>
Na3PO4 + CsOH = Na3OH + CsPO4
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
K2CO3(s) + Cr(C2H3O2)3(s) = Cr2(CO3)3(s) + KC2H3O2(aq) =>
3 K2CO3(s) + 2 Cr(C2H3O2)3(s) = Cr2(CO3)3(s) + 6 KC2H3O2(aq)
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
Cs + Ca3(PO4)2 = Cs3PO4 + Ca =>
6 Cs + Ca3(PO4)2 = 2 Cs3PO4 + 3 Ca
C + H2(g) = CH4(g) =>
C + 2 H2(g) = CH4(g)
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
HCINaOH = NaCI + H2O =>
HCINaOH = NaCI + H2O
Sr(NO3)2(aq) + Li2CrO4(aq) = LiNO3(aq) + SrCrO4(s) =>
Sr(NO3)2(aq) + Li2CrO4(aq) = 2 LiNO3(aq) + SrCrO4(s)
Cr{3+} + CO{3}{2-} = Cr{2} + (CO{3}){3} =>
3 Cr{3+} + CO{3}{2-} = 3 Cr{2} + (CO{3}){3}
Pb(CrO4)2 + NaOH = Pb(OH)2 + NaCrO4 =>
Pb(CrO4)2 + 2 NaOH = Pb(OH)2 + 2 NaCrO4
NaOH + CO2 + H2O = Na2CO3*10H2O =>
2 NaOH + CO2 + 9 H2O = Na2CO3*10H2O
Zn0 + HCl = ZnCl2 + H =>
Zn0 + 2 HCl = ZnCl2 + 2 H
KMnO4 + NaCl + H2O = Cl2 + MnO2 + K2Cl + NaOH =>
4 KMnO4 + 16 NaCl + 8 H2O = 7 Cl2 + 4 MnO2 + 2 K2Cl + 16 NaOH
C4H10O2 + HCl = C4H9OCl + H2O =>
C4H10O2 + HCl = C4H9OCl + H2O
CI + AgNO3 = AgCI + NO3 =>
CI + AgNO3 = AgCI + NO3
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
Na + Fe2O3 = Na2O + Fe =>
6 Na + Fe2O3 = 3 Na2O + 2 Fe
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
Na2Cr2O7(s) + HCl(g) = CrO2Cl2(g) + NaCl(s) + H2O(v) =>
Na2Cr2O7(s) + 6 HCl(g) = 2 CrO2Cl2(g) + 2 NaCl(s) + 3 H2O(v)
KClO3(s) = O2(s) + KCl(s) =>
2 KClO3(s) = 3 O2(s) + 2 KCl(s)
MnBr2 + K2CO3 = MnCO3 + KBr =>
MnBr2 + K2CO3 = MnCO3 + 2 KBr
HSO3{2-} + O2 = SO4{2-} + H2O =>
4 HSO3{2-} + 3 O2 = 4 SO4{2-} + 2 H2O
Cu + FeSO4 + AuHCl4 + HNO3 = Au2O3 + FeCl2 + CuSO4 + HCl + NO2 =>
3 Cu + 3 FeSO4 + 4 AuHCl4 + 6 HNO3 = 2 Au2O3 + 3 FeCl2 + 3 CuSO4 + 10 HCl + 6 NO2
KBr + KOH = BrO + K2H =>
KBr + KOH = BrO + K2H
NH4NO3(s) = H2O(l) + N2O(s) =>
NH4NO3(s) = 2 H2O(l) + N2O(s)
KClO3(s) + KI(s) + H2SO4(s) = K2SO4(s) + KCl(s) + I2(s) + H2O(aq) =>
KClO3(s) + 6 KI(s) + 3 H2SO4(s) = 3 K2SO4(s) + KCl(s) + 3 I2(s) + 3 H2O(aq)
S8(s) + O2(g) = SO3(g) =>
S8(s) + 12 O2(g) = 8 SO3(g)
KBr + H2SO4 + K2CrO7 = Br2 + Cr2(SO4)3 + H2O + K2SO4 =>
18 KBr + 14 H2SO4 + 2 K2CrO7 = 9 Br2 + Cr2(SO4)3 + 14 H2O + 11 K2SO4
Pb(Cl)2 + Ba(OH)2 = Pb(OH)2 + Ba(Cl)2 =>
Pb(Cl)2 + Ba(OH)2 = Pb(OH)2 + Ba(Cl)2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
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