| Équations équilibrées la veille |
6 KCl + 6 HNO3 + O3 = 6 KNO3 + 3 Cl2 + 3 H2O
SrCr2O7 + Cs = CsCr2O7 + Sr =>
SrCr2O7 + Cs = CsCr2O7 + Sr
K2O + H3PO4 = H2O + K3PO4 =>
3 K2O + 2 H3PO4 = 3 H2O + 2 K3PO4
Cl2 + Na2S = NaCl + S8 =>
8 Cl2 + 8 Na2S = 16 NaCl + S8
H2 + Ca4Al7 = H8Ca9 + Al5 =>
80 H2 + 45 Ca4Al7 = 20 H8Ca9 + 63 Al5
Fe3 + H2O = Fe2O4 + H2 =>
2 Fe3 + 12 H2O = 3 Fe2O4 + 12 H2
KMnO4 + H2O + SO4 = K2SO4 + H2MnO4 + O2 =>
2 KMnO4 + 2 H2O + SO4 = K2SO4 + 2 H2MnO4 + O2
Na3PO4 + Fe2(SO4)3 = Na2SO4 + PO4Fe =>
2 Na3PO4 + Fe2(SO4)3 = 3 Na2SO4 + 2 PO4Fe
MnO4{-}1 + SO3{-}2 + H2O = MnO2 + SO4{-}2 + OH{-}1 =>
2 MnO4{-}1 + 3 SO3{-}2 + H2O = 2 MnO2 + 3 SO4{-}2 + 2 OH{-}1
KI + H2SO4 + FeCl3 = I2 + FeSO4 + K2SO4 + HCl =>
2 KI + 3 H2SO4 + 2 FeCl3 = I2 + 2 FeSO4 + K2SO4 + 6 HCl
BaH2(s) + H2O(l) = Ba(OH)22(ac) + H2(g) =>
BaH2(s) + 22 H2O(l) = Ba(OH)22(ac) + 12 H2(g)
Ag + AgZn2 + AgCu4 = AgZnCu =>
Ag + 2 AgZn2 + AgCu4 = 4 AgZnCu
PbCl2 + Na2CrO4 = PbCrO4 + NaCl =>
PbCl2 + Na2CrO4 = PbCrO4 + 2 NaCl
C106H263O110N16P + O2 = CO2 + NO3{-} + HPO4{2-} + H2O + H{+} =>
C106H263O110N16P + 138 O2 = 106 CO2 + 16 NO3{-} + HPO4{2-} + 122 H2O + 18 H{+}
CuI + H2SO4 = CuI2 + CuSO4 + H2 =>
2 CuI + H2SO4 = CuI2 + CuSO4 + H2
BiN3O9 + H2S = Bi2S3 + HNO3 =>
2 BiN3O9 + 3 H2S = Bi2S3 + 6 HNO3
P4 + O2 = P2O54 =>
P4 + 54 O2 = 2 P2O54
CuO3 + Al = Cu + Al2O3 =>
CuO3 + 2 Al = Cu + Al2O3
C10H8OS005 + O2 = CO2 + H2O + SO =>
C10H8OS005 + 14 O2 = 10 CO2 + 4 H2O + 5 SO
Na3PO4 + Zn(NO3)2 = Zn3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Zn(NO3)2 = Zn3(PO4)2 + 6 NaNO3
MnCl2 + LiOH + Cl2 = MnO2 + LiCl + H2O =>
MnCl2 + 4 LiOH + Cl2 = MnO2 + 4 LiCl + 2 H2O
CH3CH2OH + C3H7COOH = C3H7COOCH3CH2 + H2O =>
CH3CH2OH + C3H7COOH = C3H7COOCH3CH2 + H2O
(NH2)2CO + NaCl = (NH2)Cl + Na2CO =>
(NH2)2CO + 2 NaCl = 2(NH2)Cl + Na2CO
Fe(CO3)3 + NaOH = FeOH + Na(CO3)3 =>
Fe(CO3)3 + NaOH = FeOH + Na(CO3)3
BF3 + NaOH = NaBF4 + Na2B4O7 + H2O =>
16 BF3 + 14 NaOH = 12 NaBF4 + Na2B4O7 + 7 H2O
Hg{2+} + Fe = Hg2{2+} + Fe{3+} =>
6 Hg{2+} + 2 Fe = 3 Hg2{2+} + 2 Fe{3+}
(VO)2(SO4)3 + NH4OH = NH4VO3 + (NH4)2SO4 + H2O =>
(VO)2(SO4)3 + 8 NH4OH = 2 NH4VO3 + 3(NH4)2SO4 + 4 H2O
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
NaOH + Cl2 = NaCl + H2O2 =>
2 NaOH + Cl2 = 2 NaCl + H2O2
B2R2 + Y2 = BY2 + R2Y =>
2 B2R2 + 5 Y2 = 4 BY2 + 2 R2Y
NH4Cl + CaO2H2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + CaO2H2 = CaCl2 + 2 NH3 + 2 H2O
Cd + Au{+3} = Cd{+2} + Au =>
3 Cd + 2 Au{+3} = 3 Cd{+2} + 2 Au
CO2 = C + O2 =>
CO2 = C + O2
FeSO4 + C = FeS + CO2 =>
FeSO4 + 2 C = FeS + 2 CO2
Li + HgSO4 = Li2SO4 + Hg =>
2 Li + HgSO4 = Li2SO4 + Hg
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe(s) + S8(s) = FeS(s) =>
8 Fe(s) + S8(s) = 8 FeS(s)
KClO3 + C6H10O8 = CO2 + KCl + H2O =>
3 KClO3 + C6H10O8 = 6 CO2 + 3 KCl + 5 H2O
KOH + Be(NO3)2 = Be(OH)2 + KNO3 =>
2 KOH + Be(NO3)2 = Be(OH)2 + 2 KNO3
KNO2 + HCl = KCl + N2O3 + H2O =>
2 KNO2 + 2 HCl = 2 KCl + N2O3 + H2O
C7H16S + O2 = CO2 + H2O + SO3 =>
2 C7H16S + 25 O2 = 14 CO2 + 16 H2O + 2 SO3
NH4NO3 + Ba(OH2) = Ba(NO3)2 + NH3 + H2O =>
9 NH4NO3 + 4 Ba(OH2) = 4 Ba(NO3)2 + 10 NH3 + 7 H2O
Mg + HNO3(conc) = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3(conc) = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
CuO + B2O3 = Cu3(BO3)2 =>
3 CuO + B2O3 = Cu3(BO3)2
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
Cd(s) + O(g) = CdO(s) =>
Cd(s) + O(g) = CdO(s)
KCr2O7 + H2SO4 + KNO2 = Cr2(SO4)3 + K2SO4 + KNO3 + H2O =>
2 KCr2O7 + 7 H2SO4 + 7 KNO2 = 2 Cr2(SO4)3 + K2SO4 + 7 KNO3 + 7 H2O
RCOOH + NaBH4 = RCHOHOH + BH3 + Na =>
RCOOH + 2 NaBH4 = RCHOHOH + 2 BH3 + 2 Na
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