| Équations équilibrées la veille |
Zn + SO3 = ZnO + SO2
NH3 + H2Cr2O7 = (NH4)2Cr2O7 =>
2 NH3 + H2Cr2O7 = (NH4)2Cr2O7
HCl + KMnO4 = Cl2 + KCl + MnCl2 + H2O =>
16 HCl + 2 KMnO4 = 5 Cl2 + 2 KCl + 2 MnCl2 + 8 H2O
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
CaBr2(aq) + Na2S(aq) = CaS(s) + NaBr(aq) =>
CaBr2(aq) + Na2S(aq) = CaS(s) + 2 NaBr(aq)
NaH + CH3COOH = H2 + CH3COONa =>
NaH + CH3COOH = H2 + CH3COONa
NaHCO3(s) + H2SO4(l) = CO2(g) + Na2SO4(aq) + H2O(l) =>
2 NaHCO3(s) + H2SO4(l) = 2 CO2(g) + Na2SO4(aq) + 2 H2O(l)
CH3CHCH2 + KMnO4 + H2SO4 = CH3CH2COOH + H2O + MnSO4 + K2SO4 =>
5 CH3CHCH2 + 4 KMnO4 + 6 H2SO4 = 5 CH3CH2COOH + 6 H2O + 4 MnSO4 + 2 K2SO4
PCl3 + H2SO4 + H2O = H3PO4 + HCl + SO2 =>
PCl3 + H2SO4 + 2 H2O = H3PO4 + 3 HCl + SO2
Fe(s) + MgSO4(aq) = FeSO4 + Mg =>
Fe(s) + MgSO4(aq) = FeSO4 + Mg
Pb(OH)2 + H2S = PbS + OH2 =>
Pb(OH)2 + H2S = PbS + 2 OH2
K2S(aq) + CoCl2(aq) = KCl(aq) + CoS(s) =>
K2S(aq) + CoCl2(aq) = 2 KCl(aq) + CoS(s)
Cr + HNO3 = Cr(NO3)3 + H2O + NO =>
Cr + 4 HNO3 = Cr(NO3)3 + 2 H2O + NO
Br + H2S = HBr + S =>
2 Br + H2S = 2 HBr + S
N2 + H2 = (NH3) =>
N2 + 3 H2 = 2(NH3)
KClO3 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
(MgCO3)4*(Mg(OH)2)*5H2O + HCl(aq) = H2O(l) + MgCl2 + CO2(g) =>
(MgCO3)4*(Mg(OH)2)*5H2O + 10 HCl(aq) = 11 H2O(l) + 5 MgCl2 + 4 CO2(g)
HgCl2 + NH4OH = [Hg(NH3)4]Cl2 + H2O =>
HgCl2 + 4 NH4OH = [Hg(NH3)4]Cl2 + 4 H2O
KClO3 + KOH = K2ClO4 + KCl + H2O =>
7 KClO3 + 6 KOH = 6 K2ClO4 + KCl + 3 H2O
PbO2 + KOH = K2PbO3 + H2O =>
PbO2 + 2 KOH = K2PbO3 + H2O
C2H6O + C2H4O2 = C4H8O2 + H2O =>
C2H6O + C2H4O2 = C4H8O2 + H2O
Cr(OH)2 + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
2 Cr(OH)2 + 4 Cl2 + 10 KOH = K2Cr2O7 + 8 KCl + 7 H2O
Zn3Sb2 + H2O = SbH3 + Zn(OH)2 =>
Zn3Sb2 + 6 H2O = 2 SbH3 + 3 Zn(OH)2
BeO + C = Be2C + CO2 =>
2 BeO + 2 C = Be2C + CO2
NiBr = Ni + Br2 =>
2 NiBr = 2 Ni + Br2
V2O5 + CO = V + CO2 =>
V2O5 + 5 CO = 2 V + 5 CO2
(CH3CH2)3N + HCl = (CH3CH2)3NH + Cl =>
(CH3CH2)3N + HCl = (CH3CH2)3NH + Cl
C10H16N2O8 + NaOH + ZnO = C10H12N2O8Na2Zn*2H2O + H2O =>
C10H16N2O8 + 2 NaOH + ZnO = C10H12N2O8Na2Zn*2H2O + H2O
J2 + KOH = KJ + KJO + H2O =>
J2 + 2 KOH = KJ + KJO + H2O
Cu(s) + AgNO3(s) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(s) = Cu(NO3)2(aq) + 2 Ag(s)
Mg*H2SO4 = MgSO4 + H2 =>
Mg*H2SO4 = MgSO4 + H2
Cr(C2H3O2)3 + Na3PO4 = CrPO4 + Na(C2H3O2) =>
Cr(C2H3O2)3 + Na3PO4 = CrPO4 + 3 Na(C2H3O2)
C6H2(NO2)3CH3 = N2 + CO2 + H2O + C =>
4 C6H2(NO2)3CH3 = 6 N2 + 7 CO2 + 10 H2O + 21 C
As4O10 + H2O = H3AsO4 =>
As4O10 + 6 H2O = 4 H3AsO4
Na2Sn(OH)4 + NaOH + BiCl3 = Na2Sn(OH)6 + Bi + NaCl =>
3 Na2Sn(OH)4 + 6 NaOH + 2 BiCl3 = 3 Na2Sn(OH)6 + 2 Bi + 6 NaCl
Cl2 + KOH = KCl + KOCl + H2O =>
Cl2 + 2 KOH = KCl + KOCl + H2O
Bi2O3 + V2O5 = Bi4V2O11 =>
2 Bi2O3 + V2O5 = Bi4V2O11
OBr + H2O = HOBr + OH =>
OBr + H2O = HOBr + OH
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
HCl + Ca(ClO)2 = Cl2 + H2O + CaCl2 =>
4 HCl + Ca(ClO)2 = 2 Cl2 + 2 H2O + CaCl2
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
MnCl2 + K2S = Mn2S2 + KCl =>
2 MnCl2 + 2 K2S = Mn2S2 + 4 KCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
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