| Équations équilibrées la veille | Équations équilibrées le lendemain |
SrI2 + (NH4)2SO4 = SrSO4 + 2 NH4I
CoCl3(aq) + AgNO3(aq) = AgCl3(s) + CoNO3(aq) =>
CoCl3(aq) + AgNO3(aq) = AgCl3(s) + CoNO3(aq)
Mg3N2 + H2SO4 = MgSO4 + N2SO4 + H =>
Mg3N2 + 4 H2SO4 = 3 MgSO4 + N2SO4 + 8 H
BrC = CBr =>
BrC = CBr
PO2 = PO + O2 =>
2 PO2 = 2 PO + O2
K2CrO4 + CrO3 = K2Cr2O7 =>
K2CrO4 + CrO3 = K2Cr2O7
Zn + Cr(NO3)3 = Zn(NO3)3 + Cr =>
Zn + Cr(NO3)3 = Zn(NO3)3 + Cr
MnO4{-} + SO3{-2} + H2O = MnO2 + SO4{-2} + OH{-} =>
2 MnO4{-} + 3 SO3{-2} + H2O = 2 MnO2 + 3 SO4{-2} + 2 OH{-}
NaClO + NH3 = N2 + NaCl + H2O =>
3 NaClO + 2 NH3 = N2 + 3 NaCl + 3 H2O
Sr + HNO3 = Sr(NO3)2 + H2 =>
Sr + 2 HNO3 = Sr(NO3)2 + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CH3CHBrCHBrCH3 + KOH = CH3CHOHCHOHCH3 + KBr =>
CH3CHBrCHBrCH3 + 2 KOH = CH3CHOHCHOHCH3 + 2 KBr
Cl2 + Br2 = ClBr =>
Cl2 + Br2 = 2 ClBr
KCI + O2 = KCIO3 =>
2 KCI + 3 O2 = 2 KCIO3
C7H16 + O2 = HO + CO2 =>
C7H16 + 15 O2 = 16 HO + 7 CO2
CH3MgBr + CH3CHO = (CH3)2CHOMgBr =>
CH3MgBr + CH3CHO = (CH3)2CHOMgBr
CH3CH2Cl + KOH = C2H5OH + KCl =>
CH3CH2Cl + KOH = C2H5OH + KCl
KMnO4 + KI + H2O = MnO2 + KOH + I =>
KMnO4 + 3 KI + 2 H2O = MnO2 + 4 KOH + 3 I
HNO2 + I{-} + H{+}{+} = N2 + I2 + H2O =>
2 HNO2 + 6 I{-} + 6 H{+}{+} = N2 + 3 I2 + 4 H2O
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
MnO4 = Mn + O2 =>
MnO4 = Mn + 2 O2
H2SO4 + P2O5 = H3PO4 + SO3 =>
3 H2SO4 + P2O5 = 2 H3PO4 + 3 SO3
SiO2 + H2O + Na2CO3 = Na2SiO3 + NaHCO3 =>
SiO2 + H2O + 2 Na2CO3 = Na2SiO3 + 2 NaHCO3
ZnSO4 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + K2SO4 =>
2 ZnSO4 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + 2 K2SO4
Fe + NaOH + O2 = NaFeO2 + H2O =>
4 Fe + 4 NaOH + 3 O2 = 4 NaFeO2 + 2 H2O
ZnSO4 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + K2SO4 =>
2 ZnSO4 + K4[Fe(CN)6] = Zn2[Fe(CN)6] + 2 K2SO4
Cu + ZnSO4 = CuSO4 + Zn =>
Cu + ZnSO4 = CuSO4 + Zn
Y2O3 + BaCO3 + Fe2O3 + CuO = YBaCuFeO5 + CO2 =>
Y2O3 + 2 BaCO3 + Fe2O3 + 2 CuO = 2 YBaCuFeO5 + 2 CO2
IIK = I2K =>
IIK = I2K
K2Cr2O7 + FeS2 + H2SO4 = K2SO4 + CrSO4 + FeSO4 + H2O =>
7 K2Cr2O7 + 4 FeS2 + 17 H2SO4 = 7 K2SO4 + 14 CrSO4 + 4 FeSO4 + 17 H2O
Ca3(PO4)2 + Ag(NO3) = Ag3(PO4) + Ca(NO3)2 =>
Ca3(PO4)2 + 6 Ag(NO3) = 2 Ag3(PO4) + 3 Ca(NO3)2
C2H4O2 + NaHCO3 = CO2 + H2O + NaC2H3O2 =>
C2H4O2 + NaHCO3 = CO2 + H2O + NaC2H3O2
KNO3 + H2SO4 = KSO4 + H2NO3 =>
KNO3 + H2SO4 = KSO4 + H2NO3
K2Cr2O7{-2} + H{+} + {-} = K + Cr{+3} + H2O =>
K2Cr2O7{-2} + 14 H{+} + 6e = 2 K + 2 Cr{+3} + 7 H2O
HNO3 + H = N2O + H2O =>
2 HNO3 + 8 H = N2O + 5 H2O
K2S + Mg(OH)2 = K(OH) + MgS =>
K2S + Mg(OH)2 = 2 K(OH) + MgS
Ag2CrO4 + CH3COOH = Ag{+} + CH3COO{-} + Cr2O7{2-} + H2O =>
2 Ag2CrO4 + 2 CH3COOH = 4 Ag{+} + 2 CH3COO{-} + Cr2O7{2-} + H2O
Na2CO3 + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
Na2CO3 + 2 HCl(aq) = 2 NaCl(aq) + H2O(l) + CO2(g)
C + K2Cr2O7 + H2SO4 = CO2 + K2O + Cr2(SO4)3 + H2O =>
3 C + 2 K2Cr2O7 + 6 H2SO4 = 3 CO2 + 2 K2O + 2 Cr2(SO4)3 + 6 H2O
KCO3 + CaCl = CaCO3 + KCl =>
KCO3 + CaCl = CaCO3 + KCl
Fe(OH)3 + NaCl + CO2 = Na2CO3 + FeCl3 + H2O =>
2 Fe(OH)3 + 6 NaCl + 3 CO2 = 3 Na2CO3 + 2 FeCl3 + 3 H2O
Ca(HO)2 + H3PO4 = CaHPO4 + H2O =>
Ca(HO)2 + H3PO4 = CaHPO4 + 2 H2O
(C4H9NH3Cl) + (MnCl2) = (C4H9NH3)2MnCl4 =>
2(C4H9NH3Cl) + (MnCl2) = (C4H9NH3)2MnCl4
HNO3 + Br = HBrO3 + NO2 + H2O =>
5 HNO3 + Br = HBrO3 + 5 NO2 + 2 H2O
C12H22O11 = C4H6O2 + H2 + O2 =>
2 C12H22O11 = 6 C4H6O2 + 4 H2 + 5 O2
HI + HIO3 = H2O + I =>
5 HI + HIO3 = 3 H2O + 6 I
Co(SCN) + C3H6O = Co(C3H6O) + SCN =>
Co(SCN) + C3H6O = Co(C3H6O) + SCN
V2(SO4)3 + K2Cr2O7 + H2SO4 = VOSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 V2(SO4)3 + K2Cr2O7 + H2SO4 = 6 VOSO4 + K2SO4 + Cr2(SO4)3 + H2O
Na2CO3 + NH3 = Na2H3 + NCO3 =>
Na2CO3 + NH3 = Na2H3 + NCO3
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Équations équilibrées sur12/10/24
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