| Équations équilibrées la veille |
MnO2 + 2 KJ + 3 H2SO4 = J2 + 2 H2O + MnSO4 + 2 KHSO4
(b)(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(b)(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
NaHCO3 + CH3COOH = Na(CH3COOH) + H2O + CO2 =>
8 NaHCO3 + 9 CH3COOH = 8 Na(CH3COOH) + 6 H2O + 10 CO2
Sb2S3 + HNO3 = NO + Sb2O5 + H2SO4 + H2O =>
3 Sb2S3 + 28 HNO3 = 28 NO + 3 Sb2O5 + 9 H2SO4 + 5 H2O
K2Cr2O7 + KI + H2SO4 = Cr2(S3O12) + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(S3O12) + 4 K2SO4 + 3 I2 + 7 H2O
Sb2S3(s) + HCl(aq) = SbCl3(s) + H2S(g) =>
Sb2S3(s) + 6 HCl(aq) = 2 SbCl3(s) + 3 H2S(g)
Rb + Mg(OH)2 = Mg + Rb(OH) =>
2 Rb + Mg(OH)2 = Mg + 2 Rb(OH)
C3H4 + HNO3 + H2O = C3H6O2 + NH3 =>
4 C3H4 + HNO3 + 5 H2O = 4 C3H6O2 + NH3
C6H14 + F2 = HF + CF4 =>
C6H14 + 19 F2 = 14 HF + 6 CF4
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Hg + J2 = HgJ =>
2 Hg + J2 = 2 HgJ
KMnO4 + C18H34O2 = K2C18O2 + MnC18O2 + H2 + CO2 =>
34 KMnO4 + 55 C18H34O2 = 17 K2C18O2 + 34 MnC18O2 + 935 H2 + 72 CO2
Mg2 + H3Po4 = Mg(Po4)2 + H2 =>
Mg2 + 4 H3Po4 = 2 Mg(Po4)2 + 6 H2
CuBr2 + K2CrO4 = CuCrO4 + Br2K2 =>
CuBr2 + K2CrO4 = CuCrO4 + Br2K2
K2Cr2O7 + Zn + HCl = CrCl2 + H2O + KCl + ZnCl2 =>
K2Cr2O7 + 4 Zn + 14 HCl = 2 CrCl2 + 7 H2O + 2 KCl + 4 ZnCl2
C6H12O6 + AgNO3 = AgNH + HO2 + CO2 =>
C6H12O6 + 6 AgNO3 = 6 AgNH + 6 HO2 + 6 CO2
KBr(aq) + I2(aq) = KI(aq) + Br2(g) =>
2 KBr(aq) + I2(aq) = 2 KI(aq) + Br2(g)
KI + NaCI = KCI + NaI =>
KI + NaCI = KCI + NaI
Al + CO = Al2O3 + C =>
2 Al + 3 CO = Al2O3 + 3 C
Sb + Cl2 = SbCl2 = =>
Sb + Cl2 = SbCl2
AgCl(s) + O2(g) = Ag2O(aq) + Cl2 =>
4 AgCl(s) + O2(g) = 2 Ag2O(aq) + 2 Cl2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
NaHSO4 + KMnO4 = NaMnO4 + KHSO4 =>
NaHSO4 + KMnO4 = NaMnO4 + KHSO4
CuCl2*2H2O + Na3PO4*12H2O = Cu3(PO4)2 + NaCl + H2O =>
3 CuCl2*2H2O + 2 Na3PO4*12H2O = Cu3(PO4)2 + 6 NaCl + 30 H2O
Fe(iii) + O2 = Fe2O3 =>
4 Fe(iii) + 3 O2 = 2 Fe2O3
P2Te3 + HNO3 + H2O = H6TeO6 + H3PO4 + NO =>
3 P2Te3 + 28 HNO3 + 22 H2O = 9 H6TeO6 + 6 H3PO4 + 28 NO
N2O + (CH3)2N2H2 = CO2 + N2 + H2O =>
8 N2O + (CH3)2N2H2 = 2 CO2 + 9 N2 + 4 H2O
Co(NO3)2 + SnCl2 = Sn(NO3)2 + CoCl2 =>
Co(NO3)2 + SnCl2 = Sn(NO3)2 + CoCl2
Na2S2O3 + H2O2 = NaOH + H2SO3 + O2 =>
2 Na2S2O3 + 6 H2O2 = 4 NaOH + 4 H2SO3 + O2
K2CO3 + NH4NO3 = KNO3 + NH4 + CO2 + H2O =>
5 K2CO3 + 9 NH4NO3 = 10 KNO3 + 8 NH4 + 5 CO2 + 2 H2O
Ni(NO3)2Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2Na2CO3 = NiCO3 + 2 NaNO3
P2Te3 + HNO3 + H2O = H6TeO6 + H3PO4 + NO =>
3 P2Te3 + 28 HNO3 + 22 H2O = 9 H6TeO6 + 6 H3PO4 + 28 NO
Na2S2O3 + NH4Fe(SO4)2 = (NH4)2SO4 + Na2SO4 + Na2S4O6 + FeSO4 =>
2 Na2S2O3 + 2 NH4Fe(SO4)2 = (NH4)2SO4 + Na2SO4 + Na2S4O6 + 2 FeSO4
FeCl3MgSO4 = FeSO4MgCl3 =>
FeCl3MgSO4 = FeSO4MgCl3
Mg2 + AlCl3 = Al3 + Mg(Cl)2 =>
9 Mg2 + 12 AlCl3 = 4 Al3 + 18 Mg(Cl)2
Cs2CO3 + Nb2O5 + Bi2O3 + La2O3 = Cs100Bi99La1Nb200O700 + CO2 =>
100 Cs2CO3 + 200 Nb2O5 + 99 Bi2O3 + La2O3 = 2 Cs100Bi99La1Nb200O700 + 100 CO2
MnO2 + Cl = MnCl + O2 =>
MnO2 + Cl = MnCl + O2
CH3COOH + NaOH = CH2COOHNa + H2O =>
CH3COOH + NaOH = CH2COOHNa + H2O
Co(NO3)2 + Rb3PO4 = Co3(PO4)2 + Rb(NO3) =>
3 Co(NO3)2 + 2 Rb3PO4 = Co3(PO4)2 + 6 Rb(NO3)
NH = HN =>
NH = HN
SO3 + NaO2 = Na2SO4 + O2 =>
2 SO3 + 4 NaO2 = 2 Na2SO4 + 3 O2
nitricacid + potassiumhydroxide = water + potassiumnitrate =>
HNO3 + KOH = H2O + KNO3
KNO33 = KNO22 + O2 =>
2 KNO33 = 2 KNO22 + 11 O2
CuCl + O2 + H2O = CuCl2*3Cu(OH)2*H2O + HCl =>
4 CuCl + O2 + 5 H2O = CuCl2*3Cu(OH)2*H2O + 2 HCl
Al2(SO4)3 + NHO3 = Al(NO3)3 + H2SO4 =>
Al2(SO4)3 + 6 NHO3 = 2 Al(NO3)3 + 3 H2SO4
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
ClCH2COOH + Cl2 = Cl3CCOOH + H2 =>
ClCH2COOH + Cl2 = Cl3CCOOH + H2
C6H5NH2 + HNO2 + HCl = C6H5N2 + H2O + Cl2 =>
2 C6H5NH2 + 2 HNO2 + 2 HCl = 2 C6H5N2 + 4 H2O + Cl2
NaF(ac)AgNO3(ac)NH4OH(ac) = AgF(s)NaOH(ac)NH4NO3(ac) =>
NaF(ac)AgNO3(ac)NH4OH(ac) = AgF(s)NaOH(ac)NH4NO3(ac)
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