| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H3 = 3 H2
HCI + Cr = CrCI + H2 =>
2 HCI + 2 Cr = 2 CrCI + H2
N2O3 + NaOH = NaNO2 + HOH =>
N2O3 + 2 NaOH = 2 NaNO2 + HOH
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
Ca(NO3)2 + BaI2 = CaI2 + Ba(NO3)2 =>
Ca(NO3)2 + BaI2 = CaI2 + Ba(NO3)2
Ag2O = Ag + O24 =>
24 Ag2O = 48 Ag + O24
FeSO4 + NaOH + KMnO4 + H2O = Fe(OH)3 + KOH + MnO2 + Na2SO4 =>
3 FeSO4 + 6 NaOH + KMnO4 + 2 H2O = 3 Fe(OH)3 + KOH + MnO2 + 3 Na2SO4
Na2CO3 + MnCl5 = Mn2(CO3)5 + NaCl =>
5 Na2CO3 + 2 MnCl5 = Mn2(CO3)5 + 10 NaCl
CrO3 + Na2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 CrO3 + 3 Na2SO3 + 3 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + 3 H2O
NH4Cl + KBr = NH4Br + KCl =>
NH4Cl + KBr = NH4Br + KCl
CH16 + O2 = CO2 + H2O =>
CH16 + 5 O2 = CO2 + 8 H2O
(NH4)2CO3 = CO2 + N2O + H2 =>
(NH4)2CO3 = CO2 + N2O + 4 H2
H2SO4 + Ai = Ai2(SO4)3 + H2 =>
3 H2SO4 + 2 Ai = Ai2(SO4)3 + 3 H2
CrO3 + Na2SO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 CrO3 + 3 Na2SO3 + 3 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + 3 H2O
C + HClO4 = C(ClO4)4 + H2 =>
C + 4 HClO4 = C(ClO4)4 + 2 H2
SnCl2 + Zn = Sn + ZnCl2 =>
SnCl2 + Zn = Sn + ZnCl2
NaClO3 + Fe2O3 = FeCl3 + Na + O2 =>
12 NaClO3 + 2 Fe2O3 = 4 FeCl3 + 12 Na + 21 O2
KMnO7 + HCl = MnCl + Cl2 + KCl + H2O =>
KMnO7 + 14 HCl = MnCl + 6 Cl2 + KCl + 7 H2O
CaCO3 + HCl = CaCl2H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2H2O + CO2
MnO4{-} + H{+} + C2O4{-}2 = Mn2{+} + CO2 + H2O =>
2 MnO4{-} + 16 H{+} + 13 C2O4{-}2 = Mn2{+} + 26 CO2 + 8 H2O
Sr + Ca3(PO4)2 = Sr3(PO4)2 + Ca =>
3 Sr + Ca3(PO4)2 = Sr3(PO4)2 + 3 Ca
(Al) + Cl = AlCl =>
(Al) + Cl = AlCl
PO + HNO3 = P(NO3)2 + H2O =>
PO + 2 HNO3 = P(NO3)2 + H2O
CO + KMn04 + H2SO4 = CO2 + MnS04 + K2SO4 + H2O =>
95 CO + 2 KMn04 + 33 H2SO4 = 95 CO2 + 8 MnS04 + K2SO4 + 33 H2O
MgBr2 + KBr = MgK2 + Br2 =>
MgBr2 + 2 KBr = MgK2 + 2 Br2
AlMg + HCl = AlMgCl3 + H2 =>
2 AlMg + 6 HCl = 2 AlMgCl3 + 3 H2
N2O4(g) + O2(g) = N2O5(g) =>
2 N2O4(g) + O2(g) = 2 N2O5(g)
Cu(NO3)2 + Zn(OH)2 = Cu(OH)2 + Zn(NO3)2 =>
Cu(NO3)2 + Zn(OH)2 = Cu(OH)2 + Zn(NO3)2
(NH2)2CO + HNO2 = N2 + CO2 + H2O =>
(NH2)2CO + 2 HNO2 = 2 N2 + CO2 + 3 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C3H6 + H2SO4 = C3H8O4S =>
C3H6 + H2SO4 = C3H8O4S
Na2S2O3 + NaOH + NaBrO3 = Na2SO4 + H2O + NaBr =>
3 Na2S2O3 + 6 NaOH + 4 NaBrO3 = 6 Na2SO4 + 3 H2O + 4 NaBr
C + HClO4 = C(ClO4)4 + H2 =>
C + 4 HClO4 = C(ClO4)4 + 2 H2
MnBr2 + Na2SO4 = MnSO4 + Na2Br2 =>
MnBr2 + Na2SO4 = MnSO4 + Na2Br2
Ag2O3 + HCl = AgCl + H2O + O2 =>
Ag2O3 + 2 HCl = 2 AgCl + H2O + O2
NH2CH2COOH + HNO2 = HOCH2COOH + N2 + H2O =>
NH2CH2COOH + HNO2 = HOCH2COOH + N2 + H2O
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
PbO + PbO2 = Pb3O4 =>
2 PbO + PbO2 = Pb3O4
Cu(NO3)2 + H2O = CuOH + NO2 + O2 =>
4 Cu(NO3)2 + 2 H2O = 4 CuOH + 8 NO2 + 3 O2
Cl2 + CuBr2 = Cl2Br2 + Cu =>
Cl2 + CuBr2 = Cl2Br2 + Cu
C2H5Br + CH3Na = C2H5CH3 + NaBr =>
C2H5Br + CH3Na = C2H5CH3 + NaBr
CH3CH2CH2COH + KMnO4 + H2SO4 = CH3CH2CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2CH2COH + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2CH2COOH + K2SO4 + 2 MnSO4 + 3 H2O
NaC2O4 + KMnO4 + H2SO4 = MnSO4 + CO2 + K2SO4 + H2O + Na2SO4 =>
10 NaC2O4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + 20 CO2 + K2SO4 + 8 H2O + 5 Na2SO4
Ag2O = Ag + O24 =>
24 Ag2O = 48 Ag + O24
CH3CHClCOOH + NaOH = CH2CHCOONa + NaCl + H2O =>
CH3CHClCOOH + 2 NaOH = CH2CHCOONa + NaCl + 2 H2O
Zn + SO3 = ZnS + ZnO =>
4 Zn + SO3 = ZnS + 3 ZnO
MnCl2 + KCl + H2O2 = KMnO4 + HCl + H2O =>
2 MnCl2 + 2 KCl + 5 H2O2 = 2 KMnO4 + 6 HCl + 2 H2O
AlBr3 + (NH4)2CO3 = Al2(CO3)3 + BrNH4 =>
2 AlBr3 + 3(NH4)2CO3 = Al2(CO3)3 + 6 BrNH4
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Équations équilibrées sur11/14/24
Équations équilibrées sur12/14/23
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