| Équations équilibrées la veille |
Cu(OH)2 + 2 CH3COOH = (CH3COO)2Cu + 2 HOH
C2H7N2 + O2 = CO + H2O + N2 =>
4 C2H7N2 + 11 O2 = 8 CO + 14 H2O + 4 N2
NaCl + Ba(OH)2 = BaCl2 + Na(OH) =>
2 NaCl + Ba(OH)2 = BaCl2 + 2 Na(OH)
ClO + H = Cl + H2O =>
ClO + 2 H = Cl + H2O
P4 + Cr2O7{2-} + H{+} = H3PO4 + Cr{3+} + H2O =>
3 P4 + 10 Cr2O7{2-} + 80 H{+} = 12 H3PO4 + 20 Cr{3+} + 22 H2O
CuSO4(aq) + BaCl2(aq) = CuCl2(aq) + BaSO4(aq) =>
CuSO4(aq) + BaCl2(aq) = CuCl2(aq) + BaSO4(aq)
MoS3(s) + Cl2(g) = MoCl6(s) + S(s) =>
MoS3(s) + 3 Cl2(g) = MoCl6(s) + 3 S(s)
C3H6 + HCl = C3H6Cl2 + H2 =>
C3H6 + 2 HCl = C3H6Cl2 + H2
CHO2{-} + SO4{2-} + H2O = HCO3{-} + HS{-} + OH{-} =>
4 CHO2{-} + SO4{2-} + H2O = 4 HCO3{-} + HS{-} + OH{-}
K2(CO3) + Co2(SO4)3 = K2(SO4) + Co2(CO3)3 =>
3 K2(CO3) + Co2(SO4)3 = 3 K2(SO4) + Co2(CO3)3
C5 = C10 =>
2 C5 = C10
HNO2 + Ba(OH)2 = Ba(NO2)2 + H2O =>
2 HNO2 + Ba(OH)2 = Ba(NO2)2 + 2 H2O
HCl(ac) + NaOH(ac) = NaCl(ac) + H2O =>
HCl(ac) + NaOH(ac) = NaCl(ac) + H2O
NaCl + Ba(OH)2 = BaCl2 + Na(OH) =>
2 NaCl + Ba(OH)2 = BaCl2 + 2 Na(OH)
CaCO3 + H3Po4 = Ca3(Po4)2 + H2O + CO2 =>
3 CaCO3 + 2 H3Po4 = Ca3(Po4)2 + 3 H2O + 3 CO2
CuSO4(Aq) + AgNO3(Aq) = CuNO3(Aq) + AgSO4(Aq) =>
CuSO4(Aq) + AgNO3(Aq) = CuNO3(Aq) + AgSO4(Aq)
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Fe + Sn = FeSn2 =>
Fe + 2 Sn = FeSn2
BaCO3 + HCl = BaCl2 + CO2 + H2O =>
BaCO3 + 2 HCl = BaCl2 + CO2 + H2O
AgNO3 + Cu2(SO4)2 = Ag2SO4 + Cu(NO3)2 =>
4 AgNO3 + Cu2(SO4)2 = 2 Ag2SO4 + 2 Cu(NO3)2
NaHCO3 + NaHSO4 = Na2SO4 + H2CO3 = H2O + CO2 =>
NaHCO3 + NaHSO4 = Na2SO4 + H2CO3
I2(s) + FeCl3(aq) = FeI3(aq) + Cl2(g) =>
3 I2(s) + 2 FeCl3(aq) = 2 FeI3(aq) + 3 Cl2(g)
C9H8O4COOH + NaOH = C9H8O4COONa + H2O =>
C9H8O4COOH + NaOH = C9H8O4COONa + H2O
P + Cr = CrP =>
P + Cr = CrP
NaO + H2O = NaH202 + O2 =>
NaO + 101 H2O = NaH202 + 51 O2
HIO3 + NaHCO3 = CO2 + H2O + NaIO3 =>
HIO3 + NaHCO3 = CO2 + H2O + NaIO3
Na2O2 + Fe{2+} + H{+} = Fe(OH)3 + Na{+} + Fe{3+} =>
3 Na2O2 + 6 Fe{2+} + 6 H{+} = 2 Fe(OH)3 + 6 Na{+} + 4 Fe{3+}
FeCr2O7 + K2CO3 + O2 = Fe2O3 + K2CrO4CO2 =>
4 FeCr2O7 + 8 K2CO3 + O2 = 2 Fe2O3 + 8 K2CrO4CO2
Ca + C = CaC2 =>
Ca + 2 C = CaC2
Fe2O3 + H2O = Fe(OH)3 = =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
H2Se(aq) + Ba(OH)2(aq) = H2O(l) + BaSe(aq) =>
H2Se(aq) + Ba(OH)2(aq) = 2 H2O(l) + BaSe(aq)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cr2O7{+2} + Cl{-} + H{+} = Cr{+3} + Cl2 + H2O =>
Cr2O7{+2} + 10 Cl{-} + 14 H{+} = 2 Cr{+3} + 5 Cl2 + 7 H2O
Br2 + NaOH = NaBrO + HBr =>
Br2 + NaOH = NaBrO + HBr
H2O + K(s) = KOH(l) + H2(g) =>
2 H2O + 2 K(s) = 2 KOH(l) + H2(g)
Li2S + AgNO3 = Ag2S + LiNO3 =>
Li2S + 2 AgNO3 = Ag2S + 2 LiNO3
Bi{3+} + Cl{-} + H2O = Bi6(OH)12Cl6 + H{+} =>
6 Bi{3+} + 6 Cl{-} + 12 H2O = Bi6(OH)12Cl6 + 12 H{+}
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
H2S + SrSO4 = H2SO4 + SrS =>
H2S + SrSO4 = H2SO4 + SrS
NaClO3 + Al = Na2O + Al2O3 + Cl2 =>
6 NaClO3 + 10 Al = 3 Na2O + 5 Al2O3 + 3 Cl2
CrCl2 + H2O + O2 = Cr(OH)3 + HCl =>
4 CrCl2 + 10 H2O + O2 = 4 Cr(OH)3 + 8 HCl
C6H5NH2 + NaNO2 + HCl = C6H5N2Cl + H2O + NaCl =>
C6H5NH2 + NaNO2 + 2 HCl = C6H5N2Cl + 2 H2O + NaCl
VO2{+} + ClO2{-} + H{+} = VO{2+} + ClO2 + H2O =>
VO2{+} + ClO2{-} + 2 H{+} = VO{2+} + ClO2 + H2O
Li + F = LiF2 =>
Li + 2 F = LiF2
CH3COOH + Na = NaCHCOO + H2 =>
2 CH3COOH + 2 Na = 2 NaCHCOO + 3 H2
HCOOH + O2 = CO2 + H2O =>
2 HCOOH + O2 = 2 CO2 + 2 H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
BaO(s) + H2O(l) = BaO2(s) + H2(g) =>
BaO(s) + H2O(l) = BaO2(s) + H2(g)
CoCl2 + KNO2 + HC2H3O2 = K3[Co(NO2)6] + NO + KCl + KC2H3O2 + H2O =>
CoCl2 + 7 KNO2 + 2 HC2H3O2 = K3[Co(NO2)6] + NO + 2 KCl + 2 KC2H3O2 + H2O
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
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