| Équations équilibrées la veille |
Al + Ag2CrO4 = AlAg2CrO4
Na2O(SiO2) + HCl = SiO2 + NaCl + H2O =>
Na2O(SiO2) + 2 HCl = SiO2 + 2 NaCl + H2O
Na2SO3 + CH3COOH = NaC2H3O2 + H2O + SO2 =>
Na2SO3 + 2 CH3COOH = 2 NaC2H3O2 + H2O + SO2
MgO = O2 + Mg =>
2 MgO = O2 + 2 Mg
Na2SiO3 + NiSO4*6H2O = NiSiO3 + Na2SO4 + H2O =>
Na2SiO3 + NiSO4*6H2O = NiSiO3 + Na2SO4 + 6 H2O
C2H4O2 + Ba(OH)2 = Ba(CH3COO)2 + H2O =>
2 C2H4O2 + Ba(OH)2 = Ba(CH3COO)2 + 2 H2O
Fe + S = FeS =>
Fe + S = FeS
As2S + H2O2 + NH4OH = (NH4)3AsO4 + (NH4)2SO4 + H2O =>
As2S + 8 H2O2 + 8 NH4OH = 2(NH4)3AsO4 + (NH4)2SO4 + 12 H2O
CBr4 + BrO3 = CO2 + Br =>
3 CBr4 + 2 BrO3 = 3 CO2 + 14 Br
Cd + Cu{+} = Cd2{+} + Cu =>
2 Cd + Cu{+} = Cd2{+} + Cu
NH3 + Cr2(SO4)3 = N2(SO4)3 + H3Cr =>
2 NH3 + Cr2(SO4)3 = N2(SO4)3 + 2 H3Cr
H4B204 + H2O + O2 = H3BO3 =>
H4B204 + 304 H2O + 154 O2 = 204 H3BO3
TiCl4 + NaOH = TiO2 + H2O + NaCl =>
TiCl4 + 4 NaOH = TiO2 + 2 H2O + 4 NaCl
CaC2O4 + SO4 = CaSO4 + C2O4 =>
CaC2O4 + SO4 = CaSO4 + C2O4
AlI + Cl2 = AlCl3 + I =>
2 AlI + 3 Cl2 = 2 AlCl3 + 2 I
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
(NH4)2Cr2O7 + Sc(OH)3 = NH4OH + Sc2(Cr2O7)3 =>
3(NH4)2Cr2O7 + 2 Sc(OH)3 = 6 NH4OH + Sc2(Cr2O7)3
PhC2H5 + KMnO4 + H2SO4 = PhCOOH + CO2 + K2SO4 + MnSO4 + H2O =>
5 PhC2H5 + 12 KMnO4 + 18 H2SO4 = 5 PhCOOH + 5 CO2 + 6 K2SO4 + 12 MnSO4 + 28 H2O
Co2(SO4)3 + K3PO4 = Co3(PO4)3 + K2SO4 =>
3 Co2(SO4)3 + 6 K3PO4 = 2 Co3(PO4)3 + 9 K2SO4
Ba(C2H3O2)2 + CaCl2 = BaCl2 + Ca(C2H3O2)2 =>
Ba(C2H3O2)2 + CaCl2 = BaCl2 + Ca(C2H3O2)2
AgNO3(aq) + K4Fe(CN)6(aq) = Ag4Fe(CN)6(s) + KNO3(aq) =>
4 AgNO3(aq) + K4Fe(CN)6(aq) = Ag4Fe(CN)6(s) + 4 KNO3(aq)
SnS2 + HNO3 = Sn(NO3)4 + SO2 + NO2 + H2O =>
SnS2 + 16 HNO3 = Sn(NO3)4 + 2 SO2 + 12 NO2 + 8 H2O
NH4S2 + BaCl2 = NH4Cl2 + BaS2 =>
NH4S2 + BaCl2 = NH4Cl2 + BaS2
Be + CO2 = BeO + C =>
2 Be + CO2 = 2 BeO + C
NaOH + Al2(SO4)3 + H2O = Na(SO4) + Al(OH)3 + H =>
3 NaOH + Al2(SO4)3 + 3 H2O = 3 Na(SO4) + 2 Al(OH)3 + 3 H
Mg(OH)2 + H2SO4 = HOH + MgSO4 =>
Mg(OH)2 + H2SO4 = 2 HOH + MgSO4
Fe(OH)2 + H2SO4 = Fe3(SO4)3 + H2O =>
3 Fe(OH)2 + 3 H2SO4 = Fe3(SO4)3 + 6 H2O
KNO3 + Na2CO3 + Cr2(SO4)3 = Na2CrO4 + KNO2 + CO2 + Na2SO4 =>
3 KNO3 + 5 Na2CO3 + Cr2(SO4)3 = 2 Na2CrO4 + 3 KNO2 + 5 CO2 + 3 Na2SO4
C7H8 = C + H =>
C7H8 = 7 C + 8 H
FeS + Na2CO3 = FeO + Na2S + CO2 =>
FeS + Na2CO3 = FeO + Na2S + CO2
CO2 + NO3{-} + H3PO4 + H2O + H{+} = C106H263O110N16P + O2 =>
106 CO2 + 16 NO3{-} + H3PO4 + 122 H2O + 16 H{+} = C106H263O110N16P + 138 O2
XeF2 + Cl({-}) = Xe + F({-}) + Cl2 =>
XeF2 + 2 Cl({-}) = Xe + 2 F({-}) + Cl2
CH3CH2CH2OH + O2 = CO + H2O =>
CH3CH2CH2OH + 3 O2 = 3 CO + 4 H2O
NaSO3 + HCl = NaCl + H2 + SO3 =>
2 NaSO3 + 2 HCl = 2 NaCl + H2 + 2 SO3
H2O + P4O10 = H3PO4 =>
6 H2O + P4O10 = 4 H3PO4
Fe2O3 + C = Fe + FeCO2 =>
2 Fe2O3 + 3 C = Fe + 3 FeCO2
ZnSO4*7H2O + KOH = Zn(OH)2 + K2SO4 + H2O =>
ZnSO4*7H2O + 2 KOH = Zn(OH)2 + K2SO4 + 7 H2O
NO + H2O2 = HNO3 + H2O =>
2 NO + 3 H2O2 = 2 HNO3 + 2 H2O
MgS + SO3 = MgS2O3 =>
MgS + SO3 = MgS2O3
C8H8N4O2 + O2 = CO2 + H2O + N2 =>
C8H8N4O2 + 9 O2 = 8 CO2 + 4 H2O + 2 N2
PbCl2 + NaHCO3 = Pb(CO3)2 + NaCl + H2 =>
PbCl2 + 2 NaHCO3 = Pb(CO3)2 + 2 NaCl + H2
O2 + H4 = OH6 =>
O2 + 3 H4 = 2 OH6
MgH2 = Mg + H =>
MgH2 = Mg + 2 H
NaBH4 + H2SO4 = S + H2O + B2H6 + Na2SO4 =>
6 NaBH4 + 5 H2SO4 = 2 S + 8 H2O + 3 B2H6 + 3 Na2SO4
Ag2O + HCOOH = H2CO3 + Ag =>
Ag2O + HCOOH = H2CO3 + 2 Ag
PhH + O2 = PhOH =>
2 PhH + O2 = 2 PhOH
H3PO3 + CdO = Cd3(PO3)2 + H2O =>
2 H3PO3 + 3 CdO = Cd3(PO3)2 + 3 H2O
Cu + O2 = Cu1O3 =>
2 Cu + 3 O2 = 2 Cu1O3
K2CO3(aq) + NaCl(aq) = KCl(aq) + Na2CO3(aq) =>
K2CO3(aq) + 2 NaCl(aq) = 2 KCl(aq) + Na2CO3(aq)
CH3OH + AgNO3 = AgCNO + H2O + CO2 =>
4 CH3OH + 3 AgNO3 = 3 AgCNO + 8 H2O + CO2
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