| Équations équilibrées la veille |
K2MnO4 + HNO + 2 H2SO4 = HNO3 + K2SO4 + MnSO4 + 2 H2O
Bi + HNO3 + H2O = Bi(NO3)2*5H2O + NO =>
3 Bi + 8 HNO3 + 11 H2O = 3 Bi(NO3)2*5H2O + 2 NO
Ba(s) + MgI2(aq) = BaI2 + Mg =>
Ba(s) + MgI2(aq) = BaI2 + Mg
[Cu(NH3)2]{+2} + CN{-} + OH{-} = CuCN + CNO{-} + NH3 + H2O =>
2[Cu(NH3)2]{+2} + 3 CN{-} + 2 OH{-} = 2 CuCN + CNO{-} + 4 NH3 + H2O
CU + HSO3 = CUSO4 + H2O + SO2 =>
CU + 4 HSO3 = CUSO4 + 2 H2O + 3 SO2
C7H16 = C5 + H14 =>
35 C7H16 = 49 C5 + 40 H14
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KNO3 + H2SO4 + KI + CCl4 = K2SO4 + CO2 + HCl + NCl3 + ICl =>
2 KNO3 + 2 H2SO4 + 2 KI + 3 CCl4 = 2 K2SO4 + 3 CO2 + 4 HCl + 2 NCl3 + 2 ICl
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CHCCH3 = C3H4 =>
CHCCH3 = C3H4
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
Na3[Al(C2O4)3]*5H2O + MgSO4*7H2O = NaMg[Al(C2O4)3]*8H2O + Na2SO4 + H2O =>
Na3[Al(C2O4)3]*5H2O + MgSO4*7H2O = NaMg[Al(C2O4)3]*8H2O + Na2SO4 + 4 H2O
Fe(C2H3O2) + Pb(SO4)2 = (Fe3)2(SO4)3 + Pb(C2H3O2)4 =>
12 Fe(C2H3O2) + 3 Pb(SO4)2 = 2(Fe3)2(SO4)3 + 3 Pb(C2H3O2)4
NiSO4*7H2O(heat) = NiSO4 + H2O =>
NiSO4*7H2O(heat) = NiSO4 + 7 H2O
H2AlO2 + KOH = K2AlO2 + H2O =>
H2AlO2 + 2 KOH = K2AlO2 + 2 H2O
Mn{2+} + MnO4{-} + H2O = MnO2 + H{+} =>
3 Mn{2+} + 2 MnO4{-} + 2 H2O = 5 MnO2 + 4 H{+}
MgO + Cu(OH)2 = CuO + Mg(OH)2 =>
MgO + Cu(OH)2 = CuO + Mg(OH)2
Be + N2 = Be3N2 =>
3 Be + N2 = Be3N2
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Na2S + KOH = NaOH + SK2 =>
Na2S + 2 KOH = 2 NaOH + SK2
HNO3 + Zn = (ZnNO3)2 + NO2 + H2O =>
4 HNO3 + 2 Zn = (ZnNO3)2 + 2 NO2 + 2 H2O
CU(NO3)2 + H2O = CUO + HNO3 =>
CU(NO3)2 + H2O = CUO + 2 HNO3
BeN2 = Be + N =>
BeN2 = Be + 2 N
CH3CH2CH2CH3 + O = H2O + CO2 =>
CH3CH2CH2CH3 + 13 O = 5 H2O + 4 CO2
S + Cr{2+} = S{2-} + Cr{3+} =>
S + 2 Cr{2+} = S{2-} + 2 Cr{3+}
Ba(NO3)2 + K2CO3 = BaCO3 + KNO3 =>
Ba(NO3)2 + K2CO3 = BaCO3 + 2 KNO3
PtSO4 + Na2Cr2O7 + H2SO4 = Pt(SO4)2 + Na2SO4 + Cr2(SO4)3 + H2O =>
3 PtSO4 + Na2Cr2O7 + 7 H2SO4 = 3 Pt(SO4)2 + Na2SO4 + Cr2(SO4)3 + 7 H2O
MgCO3(s) + HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g) =>
MgCO3(s) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g)
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
NO3 + He = NO3He =>
NO3 + He = NO3He
Mg + Cr = Mg2Cr3 =>
2 Mg + 3 Cr = Mg2Cr3
Hg + Na = NaHg =>
Hg + Na = NaHg
KMnO4 + HCl + H2SO4 = MnSO4 + K2SO4 + H2O + Cl2 =>
2 KMnO4 + 10 HCl + 3 H2SO4 = 2 MnSO4 + K2SO4 + 8 H2O + 5 Cl2
NH4NO2 + NH3 + Ni(CH3COO)2 = Ni(NH3)4(NO2)2 + NH4CH3COO =>
2 NH4NO2 + 4 NH3 + Ni(CH3COO)2 = Ni(NH3)4(NO2)2 + 2 NH4CH3COO
Cr + Cl2 = CrCl3 =>
2 Cr + 3 Cl2 = 2 CrCl3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C5H10O5 + O2 = CO2 + H2O =>
C5H10O5 + 5 O2 = 5 CO2 + 5 H2O
BaCl2 + Fe(NH4)2(SO4)2 = BaSO4 + Fe(NH4)2Cl4 =>
2 BaCl2 + Fe(NH4)2(SO4)2 = 2 BaSO4 + Fe(NH4)2Cl4
Ba + Zn(No3)2 = Ba(No3)2 + Zn =>
Ba + Zn(No3)2 = Ba(No3)2 + Zn
Cu + H2CO3 = Cu(CO3)3 + H =>
Cu + 3 H2CO3 = Cu(CO3)3 + 6 H
MnSO4 + ZnS = ZnSO4 + MnS =>
MnSO4 + ZnS = ZnSO4 + MnS
NaBiO3 + HCl = Bi(OH)3 + Cl2 + NaCl =>
NaBiO3 + 3 HCl = Bi(OH)3 + Cl2 + NaCl
C6H10Br + Mg = C6H10MgBr =>
C6H10Br + Mg = C6H10MgBr
[Sn][O2] + [CO] = [Sn] + [CO2] =>
[Sn][O2] + 2[CO] = [Sn] + 2[CO2]
Cr(OH)3 + H2O2 = CrO4H + H2O =>
Cr(OH)3 + 2 H2O2 = CrO4H + 3 H2O
Al2(S04)3 + H2O = Al(OH)3 + H2S04 =>
Al2(S04)3 + 6 H2O = 2 Al(OH)3 + 3 H2S04
C6H6O2 + O2 = CO2 + H2O =>
2 C6H6O2 + 13 O2 = 12 CO2 + 6 H2O
AsO2{-} + I2 + H2O = I{-} + AsO4{-3} + H{+} =>
AsO2{-} + I2 + 2 H2O = 2 I{-} + AsO4{-3} + 4 H{+}
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