| Équations équilibrées la veille |
NiCl2 + 2 HCl = NiH2 + 2 Cl2
CuCo3 + CaCl2 = CuCl2 + CaCo3 =>
CuCo3 + CaCl2 = CuCl2 + CaCo3
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq) =>
AgNo3(aq) + NaOH(aq) = AgOH(s) + NaNo3(aq)
Ba(OH)2 + ZnSO4 = Ba2(SO4)2 + Zn(OH)2 =>
2 Ba(OH)2 + 2 ZnSO4 = Ba2(SO4)2 + 2 Zn(OH)2
Na2O + HBr = NaBr + H2O =>
Na2O + 2 HBr = 2 NaBr + H2O
HCHO + Cu(OH)2 = Cu2O + CO2 + H2O =>
HCHO + 4 Cu(OH)2 = 2 Cu2O + CO2 + 5 H2O
NBr3 + Ba(OH)2 = N2 + BrOH + BrBa =>
2 NBr3 + 2 Ba(OH)2 = N2 + 4 BrOH + 2 BrBa
Pt(s) + O2(g) = PtO2 =>
Pt(s) + O2(g) = PtO2
Br + H2O + SO2 = HBr + H2SO4 =>
2 Br + 2 H2O + SO2 = 2 HBr + H2SO4
MgBr2(aq) + KOH(aq) = KBr(aq) + Mg(OH)2(s) =>
MgBr2(aq) + 2 KOH(aq) = 2 KBr(aq) + Mg(OH)2(s)
C2 + H2 = CH =>
C2 + H2 = 2 CH
Fe + H2O2 = FeO + H2 =>
2 Fe + H2O2 = 2 FeO + H2
KOH(aq) + NH4Cl(aq) = KCl + NH4OH =>
KOH(aq) + NH4Cl(aq) = KCl + NH4OH
Ag + NaCl = AgCl + Na =>
Ag + NaCl = AgCl + Na
Na2CO3(s) + H2SO4 = Na2SO4 + H2O + CO2 =>
Na2CO3(s) + H2SO4 = Na2SO4 + H2O + CO2
CH2ClCOOH + NH3 = H2NCH2COOH + NH4Cl =>
CH2ClCOOH + 2 NH3 = H2NCH2COOH + NH4Cl
S8 + BaO = BaS + O =>
S8 + 8 BaO = 8 BaS + 8 O
MnSO4 + KClO3 + H2O = MnO2 + Cl2 + H2SO4 + K2SO4 =>
5 MnSO4 + 2 KClO3 + 4 H2O = 5 MnO2 + Cl2 + 4 H2SO4 + K2SO4
HCl + KMnO4 + C2H5OH = MnCl2 + KCl + H2O + CO2 =>
36 HCl + 12 KMnO4 + 5 C2H5OH = 12 MnCl2 + 12 KCl + 33 H2O + 10 CO2
K2CO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
K2CO3(s) + 2 HCl(aq) = 2 KCl(aq) + H2O(l) + CO2(g)
S2 + CO2 = SO2 + C =>
S2 + 2 CO2 = 2 SO2 + 2 C
S + H2O2 = SO2 + H2 =>
S + H2O2 = SO2 + H2
PbO + CO = Pb + CO2 =>
PbO + CO = Pb + CO2
Zn(NO3)2(aq) + HCl(aq) = ZnCl2 + HNO3 =>
Zn(NO3)2(aq) + 2 HCl(aq) = ZnCl2 + 2 HNO3
C2H4O2 + Cl2 = C2H3ClO2 + HCl =>
C2H4O2 + Cl2 = C2H3ClO2 + HCl
CoSO4 + KOH = Co(OH)2 + K2SO4 =>
CoSO4 + 2 KOH = Co(OH)2 + K2SO4
Hg(s) + O2(g) = Hg2O(s) =>
4 Hg(s) + O2(g) = 2 Hg2O(s)
Zn(OH)3 = Zn + OH =>
Zn(OH)3 = Zn + 3 OH
FeSO4 + H2O = [Fe(H2O)4]SO4 =>
FeSO4 + 4 H2O = [Fe(H2O)4]SO4
SnS2 + (NH4)2S2 = (NH4)2SnS3 + S =>
SnS2 + (NH4)2S2 = (NH4)2SnS3 + S
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
FeSO4(aq) + NaOH(aq) = Na2SO4 + Fe(OH)2 =>
FeSO4(aq) + 2 NaOH(aq) = Na2SO4 + Fe(OH)2
H2S + H2SO4 = SO2 + H2O =>
H2S + 3 H2SO4 = 4 SO2 + 4 H2O
CH2CHCHCH2 + KMnO4 + H2O = MnO2 + CH3CH(OH)CH2(OH) + KOH =>
9 CH2CHCHCH2 + 2 KMnO4 + 22 H2O = 2 MnO2 + 12 CH3CH(OH)CH2(OH) + 2 KOH
Ba(NO3)2 + Li2SO4 = BaSO4 + LiNO3 =>
Ba(NO3)2 + Li2SO4 = BaSO4 + 2 LiNO3
(NH4)2S + NaNO3 = NH4(NO3) + Na2S =>
(NH4)2S + 2 NaNO3 = 2 NH4(NO3) + Na2S
Mg5(CO3)4(OH)2 + HCl = H2O + CO2 + MgCl2 =>
Mg5(CO3)4(OH)2 + 10 HCl = 6 H2O + 4 CO2 + 5 MgCl2
Fe2(SO4)3 + BaI2 = FeI3 + BaSO4 =>
Fe2(SO4)3 + 3 BaI2 = 2 FeI3 + 3 BaSO4
Mg(NO3)2 + LiOH = Mg(OH)2 + Li(NO3) =>
Mg(NO3)2 + 2 LiOH = Mg(OH)2 + 2 Li(NO3)
K4[Fe(CN)6] + H2SO4 + H2O2 = K2SO4 + Fe2(SO4)3 + NO + CO2 + H2O =>
2 K4[Fe(CN)6] + 7 H2SO4 + 43 H2O2 = 4 K2SO4 + Fe2(SO4)3 + 12 NO + 12 CO2 + 50 H2O
H2(SO4) + NaOH = Na2SO4 + H2O =>
H2(SO4) + 2 NaOH = Na2SO4 + 2 H2O
C3H8O + H2O = C3H6O2 + H =>
C3H8O + H2O = C3H6O2 + 4 H
PbCrO4 + NaOH = Na2CrO4 + Pb2CrO5 + H2O =>
2 PbCrO4 + 2 NaOH = Na2CrO4 + Pb2CrO5 + H2O
Pb(CH3COO)2 + H2S = PbS + CH3COOH =>
Pb(CH3COO)2 + H2S = PbS + 2 CH3COOH
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
SnS + H2O2 + OH{-} = SnS3{2-} + Sn(OH)6{2-} =>
3 SnS + 3 H2O2 + 6 OH{-} = SnS3{2-} + 2 Sn(OH)6{2-}
Au + H2S = Au2S + H2 =>
2 Au + H2S = Au2S + H2
H{+} + Cr2O72{-} + C2H5OH = Cr{3+} + CO2 + H2O =>
84 H{+} + 12 Cr2O72{-} + 137 C2H5OH = 24 Cr{3+} + 274 CO2 + 453 H2O
C17H35COOH + O2 = CO + H2O =>
C17H35COOH + 17 O2 = 18 CO + 18 H2O
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