| Équations équilibrées la veille |
Fe + Cr{2}O{3} = Fe{2}O{3} + Cr
NaOH + FeS2 + O2 = H2O + Na2SO4 + Fe(OH)3 =>
16 NaOH + 4 FeS2 + 15 O2 = 2 H2O + 8 Na2SO4 + 4 Fe(OH)3
Sc2O3 + SO3 = Sc2(SO4)3 =>
Sc2O3 + 3 SO3 = Sc2(SO4)3
Ba(OH)2 + Zn(OH)2 = Ba(Zn(OH)4) =>
Ba(OH)2 + Zn(OH)2 = Ba(Zn(OH)4)
Ag2SO3 + Na2SO3 = Na3[Ag(SO3)2] =>
Ag2SO3 + 3 Na2SO3 = 2 Na3[Ag(SO3)2]
LiCl + KIO4 + FeCl3 + KOH = LiKFeIO6 + KCl + H2O =>
LiCl + KIO4 + FeCl3 + 4 KOH = LiKFeIO6 + 4 KCl + 2 H2O
Hg(NO3)2 + HCl = HNO3 + HgCl2 =>
Hg(NO3)2 + 2 HCl = 2 HNO3 + HgCl2
CS2 + H2SO4 = CH4 + S + O2 =>
CS2 + 2 H2SO4 = CH4 + 4 S + 4 O2
Fe3O4 + HCl = FeCl2 + FeCl3 + H2O =>
Fe3O4 + 8 HCl = FeCl2 + 2 FeCl3 + 4 H2O
Mg(NO3)2 + Pb = Mg + PbNO3 =>
Mg(NO3)2 + 2 Pb = Mg + 2 PbNO3
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
Al2S3 + H2SO4 = Al2(SO9)3 + H2S =>
4 Al2S3 + 27 H2SO4 = 4 Al2(SO9)3 + 27 H2S
SO2(g) + NaOH(s) = Na2SO3(s) + H2O(l) =>
SO2(g) + 2 NaOH(s) = Na2SO3(s) + H2O(l)
ClBa + SO4 = BaSO4 + Cl =>
ClBa + SO4 = BaSO4 + Cl
Na2SiO3 + HCl = H2O + NaCl + SiO2 =>
Na2SiO3 + 2 HCl = H2O + 2 NaCl + SiO2
F2 + Na2S2O3 = NaF + FS2O3 =>
3 F2 + 2 Na2S2O3 = 4 NaF + 2 FS2O3
KAl(SO4)2 + NH3 = H3Al + K(SO4)2N =>
KAl(SO4)2 + NH3 = H3Al + K(SO4)2N
H2CrO4 + Ca(OH)2 = CaCr2O7 + H2O =>
2 H2CrO4 + Ca(OH)2 = CaCr2O7 + 3 H2O
CO2 + CuO = CuCO3 =>
CO2 + CuO = CuCO3
Cu(OH)2 + HCl = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl = CuCl2 + 2 H2O
Cr2O42{-} + H{+} + C2H6O = Cr3{-} + C2H4O2 + H2O =>
12 Cr2O42{-} + 4 H{+} + 251 C2H6O = 8 Cr3{-} + 251 C2H4O2 + 253 H2O
C + H2 + O2 + N2 = NH2CH2COOH =>
4 C + 5 H2 + 2 O2 + N2 = 2 NH2CH2COOH
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
KMnO4 + Fe(NH4)2(SO4)2 = Fe(MnO4)2 + K2(NH4)2(SO4)2 =>
2 KMnO4 + Fe(NH4)2(SO4)2 = Fe(MnO4)2 + K2(NH4)2(SO4)2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
CaCl + KF = CaF + KCl =>
CaCl + KF = CaF + KCl
NH3 + NaMnO4 + NaOH = Na2MnO4 + H2O + NaNO3 =>
NH3 + 8 NaMnO4 + 9 NaOH = 8 Na2MnO4 + 6 H2O + NaNO3
SiCl4 + SiO2 = Si + Cl2O =>
SiCl4 + SiO2 = 2 Si + 2 Cl2O
Ca + HBr = CaBr2 + H3 =>
3 Ca + 6 HBr = 3 CaBr2 + 2 H3
HCO2H + CN = HCN + CO2H =>
HCO2H + CN = HCN + CO2H
K2Cr2O7 + Na2SO3 = K2SO4 + Cr2(SO4)3 + Na2O + K =>
2 K2Cr2O7 + 7 Na2SO3 = K2SO4 + 2 Cr2(SO4)3 + 7 Na2O + 2 K
Fe2(CO3)3(s) = Fe2O3(s) + CO2(s) =>
Fe2(CO3)3(s) = Fe2O3(s) + 3 CO2(s)
(d)FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2(d)FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
(K4)Fe(CN)6 + KMnO4 + (H2)SO4 = KHS(O4) + (Fe2)(SO4) + MnSO4 + HNO3 + CO2 + H2O =>
10(K4)Fe(CN)6 + 118 KMnO4 + 281(H2)SO4 = 158 KHS(O4) + 5(Fe2)(SO4) + 118 MnSO4 + 60 HNO3 + 60 CO2 + 172 H2O
In + H2O = In(OH) + H2 =>
2 In + 2 H2O = 2 In(OH) + H2
SnCl4 + VCl2 = Sn(VCl6) =>
SnCl4 + VCl2 = Sn(VCl6)
NaClO + C4H6O6 = NaHC4H4O6 + HClO =>
NaClO + C4H6O6 = NaHC4H4O6 + HClO
AgNO3 + NH3 + H2O = Ag2O + NH4NO3 =>
2 AgNO3 + 2 NH3 + H2O = Ag2O + 2 NH4NO3
KI + KIO3 + HCl = ICl2 + KCl + H2O =>
KI + KIO3 + 6 HCl = 2 ICl2 + 2 KCl + 3 H2O
CO + H2O + HF = C2H3O2F + O2 =>
4 CO + 2 H2O + 2 HF = 2 C2H3O2F + O2
KMnO4 + H2SO4 = H2O + K2SO4 + Mn2O7 =>
2 KMnO4 + H2SO4 = H2O + K2SO4 + Mn2O7
SnCl2 + I2 = SnI2 + Cl2 =>
SnCl2 + I2 = SnI2 + Cl2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
LiOH + SiO2 + FeCl2 + NH4F = LiFeSiO3F + NH3 + LiCl + H2O =>
3 LiOH + SiO2 + FeCl2 + NH4F = LiFeSiO3F + NH3 + 2 LiCl + 2 H2O
ZnS(s) + HCl(aq) = ZnCl2(aq) + H2S(aq) =>
ZnS(s) + 2 HCl(aq) = ZnCl2(aq) + H2S(aq)
HC6H7O7 + NaHCO3 = NaC6H7O7 + H2O + CO2 =>
HC6H7O7 + NaHCO3 = NaC6H7O7 + H2O + CO2
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
R2O5 + H2O = H3RO4 =>
R2O5 + 3 H2O = 2 H3RO4
K4Fe(CN)6 + KMn04 + H2SO4 = KHSO4 + Fe2(S04)3 + MnS04 + HNO3 + CO2 + H2O =>
190 K4Fe(CN)6 + 44 KMn04 + 2648 H2SO4 = 804 KHSO4 + 95 Fe2(S04)3 + 176 MnS04 + 1140 HNO3 + 1140 CO2 + 1676 H2O
Mg + sulfuricacid = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
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