| Équations équilibrées la veille |
Fe(NO3)3 + 3 NaHO = Fe(OH)3 + 3 NaNO3
S{-2} + H2O2 = SO4{2-} + H2O =>
S{-2} + 4 H2O2 = SO4{2-} + 4 H2O
SO2 + Cr2O7 + H{+} = SO42{-} + Cr3{+} + H2O =>
40 SO2 + 237 Cr2O7 + 118 H{+} = 40 SO42{-} + 158 Cr3{+} + 59 H2O
Ca(H)2 + H2O = Ca(OH)2 + H2 =>
Ca(H)2 + 2 H2O = Ca(OH)2 + 2 H2
CH2H6OH + O2 = CO2 + H2O =>
4 CH2H6OH + 11 O2 = 4 CO2 + 18 H2O
Li2O + Ca = Li + CaO =>
Li2O + Ca = 2 Li + CaO
H2SO4 + MnCl3 = Mn2(SO4)3 + HCl =>
3 H2SO4 + 2 MnCl3 = Mn2(SO4)3 + 6 HCl
NO2 + NaOH = NaNO3 + H2O + NaNO2 =>
2 NO2 + 2 NaOH = NaNO3 + H2O + NaNO2
Cd + H{+} = Cd2{+} + H2 =>
4 Cd + 2 H{+} = 2 Cd2{+} + H2
CS2(s) + Cl2 = CCl4 + SCl2 =>
CS2(s) + 4 Cl2 = CCl4 + 2 SCl2
Sr(NO3)2 + Sn(SO4)2 = SrSO4 + Sn(NO3)4 =>
2 Sr(NO3)2 + Sn(SO4)2 = 2 SrSO4 + Sn(NO3)4
Cu2(SO4)3 + AgNO3 = Cu(NO3)3 + Ag2SO4 =>
Cu2(SO4)3 + 6 AgNO3 = 2 Cu(NO3)3 + 3 Ag2SO4
C2H5COOH + CuCO3 = C2H5COOHCu + CO2 + H2O =>
8 C2H5COOH + 7 CuCO3 = 7 C2H5COOHCu + 10 CO2 + 3 H2O
CH3COONH4 + Ba(OH)2 = (CH3COO)2Ba + NH3 + HOH =>
2 CH3COONH4 + Ba(OH)2 = (CH3COO)2Ba + 2 NH3 + 2 HOH
NiC2O4H2O + O2 = NiO + H2O + CO2 =>
2 NiC2O4H2O + O2 = 2 NiO + 2 H2O + 4 CO2
Fe + HOCl + HCl = FeCl2 + H2O =>
Fe + HOCl + HCl = FeCl2 + H2O
N2 + Cl2 + O2 + H2O = NH4ClO4 =>
N2 + Cl2 + 2 O2 + 4 H2O = 2 NH4ClO4
C13H10O + C3H8O = C26H22O2 + H2O =>
51 C13H10O + 13 C3H8O = 27 C26H22O2 + 10 H2O
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
MgF2 + (NH4)3N = Mg3N2 + NH4F =>
3 MgF2 + 2(NH4)3N = Mg3N2 + 6 NH4F
Ca(OH)2 + K2SO4 + Al(OH)3 = AlKO2 + CaSO4 + H2O =>
Ca(OH)2 + K2SO4 + 2 Al(OH)3 = 2 AlKO2 + CaSO4 + 4 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C2H8 + Cl2 = C2H4Cl2 + HCl =>
C2H8 + 3 Cl2 = C2H4Cl2 + 4 HCl
HBr(ac) + Ca(OH)2(ac) = H2O(l) + CaBr2(ac) =>
2 HBr(ac) + Ca(OH)2(ac) = 2 H2O(l) + CaBr2(ac)
BaCl + KBr = KCl + BaBr =>
BaCl + KBr = KCl + BaBr
K2MnO + H2O = KMnO4 + KOH + H2 =>
2 K2MnO + 8 H2O = 2 KMnO4 + 2 KOH + 7 H2
Fe(NO3)2 + K2CrO4 = FeCrO4 + KNO3 =>
Fe(NO3)2 + K2CrO4 = FeCrO4 + 2 KNO3
Cu3WO6 = Cu2WO4 + Cu2O + O2 =>
4 Cu3WO6 = 4 Cu2WO4 + 2 Cu2O + 3 O2
AgBr + RbCl = RbBr + AgCl =>
AgBr + RbCl = RbBr + AgCl
ZnI2 + F2 = F2Zn + I2 =>
ZnI2 + F2 = F2Zn + I2
Au(No3)3 + Ag = Au3Ag + No3 =>
3 Au(No3)3 + Ag = Au3Ag + 9 No3
C7H5NaO2 + HCl = C6H5COOH + NaCl =>
C7H5NaO2 + HCl = C6H5COOH + NaCl
ZnKr2 + Ta2S5 = ZnS + TaKr5 =>
5 ZnKr2 + Ta2S5 = 5 ZnS + 2 TaKr5
Sr + HBr = SrBr2 + H =>
Sr + 2 HBr = SrBr2 + 2 H
CrCl3 + NH3 = (Cr(NH3)6)Cl3 =>
CrCl3 + 6 NH3 = (Cr(NH3)6)Cl3
NiPO4 + PbCrO4 = Pb3(PO4)2 + Ni2(CrO4)3 =>
2 NiPO4 + 3 PbCrO4 = Pb3(PO4)2 + Ni2(CrO4)3
H3BO3 + C2H6O + CuCl = CuB + CO2 + H2O + Cl2 =>
4 H3BO3 + C2H6O + 4 CuCl = 4 CuB + 2 CO2 + 9 H2O + 2 Cl2
HI + Ni(OH)2 = HIOH + Ni =>
2 HI + Ni(OH)2 = 2 HIOH + Ni
Ba + O2 = BaO4 =>
Ba + 2 O2 = BaO4
Ba3(PO4)2(s) + H{+} = Ba{2+} + H3PO4(aq) =>
Ba3(PO4)2(s) + 6 H{+} = 3 Ba{2+} + 2 H3PO4(aq)
HOCl = H + Cl + O =>
HOCl = H + Cl + O
SnCl4 + MgSO4 = Sn(SO4)2 + MgCl2 =>
SnCl4 + 2 MgSO4 = Sn(SO4)2 + 2 MgCl2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
H2CO3(aq) + Mg(OH)2(s) = MgCO3(aq) + H2O(l) =>
H2CO3(aq) + Mg(OH)2(s) = MgCO3(aq) + 2 H2O(l)
Zn + H3AsO4 = Zn3(AsO4)2 + H2 =>
3 Zn + 2 H3AsO4 = Zn3(AsO4)2 + 3 H2
Ba(ClO4)2 = Ba + Cl2 + O2 =>
Ba(ClO4)2 = Ba + Cl2 + 4 O2
Ca[NO3]2 + H2SO4 = CaSO4 + HNO3 =>
Ca[NO3]2 + H2SO4 = CaSO4 + 2 HNO3
As2O3 + NaNO3 + H2O + HCl = NO + H3AsO4 + NaCl =>
3 As2O3 + 4 NaNO3 + 7 H2O + 4 HCl = 4 NO + 6 H3AsO4 + 4 NaCl
PB(NO3)2 + AlCl3 = PBCl2 + Al(NO3)3 =>
3 PB(NO3)2 + 2 AlCl3 = 3 PBCl2 + 2 Al(NO3)3
I2 + HNO3 = HIO3 + N4O5 + H2O =>
I2 + 4 HNO3 = 2 HIO3 + N4O5 + H2O
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Équations équilibrées sur10/16/24
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