| Équations équilibrées la veille |
8 PdS = 2 Pd4S + 3 S2
NH4Cl + K2[HgI4]H2O + KOH = Hg2NIH2O + H2O + KI + KCl =>
NH4Cl + 2 K2[HgI4]H2O + 4 KOH = Hg2NIH2O + 5 H2O + 7 KI + KCl
Cs2SiO3 + HCl = CsCl + H2SiO3 =>
Cs2SiO3 + 2 HCl = 2 CsCl + H2SiO3
K2CO3 + Ba(ClO3)2 = KClO3 + BaCO3 =>
K2CO3 + Ba(ClO3)2 = 2 KClO3 + BaCO3
Sn + HCl + HNO3 = H2SnCl6 + NO + H2O =>
3 Sn + 18 HCl + 4 HNO3 = 3 H2SnCl6 + 4 NO + 8 H2O
Li2CO3(s) + HBr(aq) = LiBr(aq) + CO2(g) + H2O(l) =>
Li2CO3(s) + 2 HBr(aq) = 2 LiBr(aq) + CO2(g) + H2O(l)
ZnCl2 + Al2(CO3)3 = AlCl + Zn(CO3)3 =>
ZnCl2 + Al2(CO3)3 = 2 AlCl + Zn(CO3)3
C6H5NO2 + NO = CO2 + N2 + H2O =>
4 C6H5NO2 + 50 NO = 24 CO2 + 27 N2 + 10 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Na2Cr2O7(H2O)2 + KCl = K2Cr2O7 + NaCl + H2O =>
Na2Cr2O7(H2O)2 + 2 KCl = K2Cr2O7 + 2 NaCl + 2 H2O
C6H5CH2Cl + KOH = C6H5CH + H2O + KCl =>
C6H5CH2Cl + KOH = C6H5CH + H2O + KCl
Au2O3 + H2O = Au2O3H2O =>
Au2O3 + H2O = Au2O3H2O
NaCl + SO2 + H2O = Na2 + SO4 + HCl =>
4 NaCl + SO2 + 2 H2O = 2 Na2 + SO4 + 4 HCl
CuO + CH3COOH = Cu + CH3COO + H2O =>
CuO + 2 CH3COOH = Cu + 2 CH3COO + H2O
C6H6 + KMnO4 + H2O = C2H2O4 + KOH + MnO2 =>
C6H6 + 8 KMnO4 + 4 H2O = 3 C2H2O4 + 8 KOH + 8 MnO2
KCl + Co2(SO4)3 = CoCl3 + K2SO4 =>
6 KCl + Co2(SO4)3 = 2 CoCl3 + 3 K2SO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu + Al2(SO4)3 = Al + Cu(SO4)6 =>
Cu + 2 Al2(SO4)3 = 4 Al + Cu(SO4)6
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
Na2CO3(s) + HCl(aq) = CO2 + NaCl + H2O =>
Na2CO3(s) + 2 HCl(aq) = CO2 + 2 NaCl + H2O
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
KSO4(aq) + BaCl(aq) = BaSO4(s) + KCl(aq) =>
KSO4(aq) + BaCl(aq) = BaSO4(s) + KCl(aq)
Cu3(PO4)2 + K2CrO4 = K3PO4 + CuCrO4 =>
Cu3(PO4)2 + 3 K2CrO4 = 2 K3PO4 + 3 CuCrO4
Li + NH4NO3 = Li2O + N2 + H2O =>
2 Li + NH4NO3 = Li2O + N2 + 2 H2O
CN3H6NO3 + NaOH = CN3H6OH + NaNO3 =>
CN3H6NO3 + NaOH = CN3H6OH + NaNO3
H2O(l) = H2(g) + O2(g) =>
2 H2O(l) = 2 H2(g) + O2(g)
SO2 + Sr(OH)2 = SrSO3 + H2O =>
SO2 + Sr(OH)2 = SrSO3 + H2O
XY + AgNO3 = XNO3 + AgY =>
XY + AgNO3 = XNO3 + AgY
Mn + Cr(NO2)2 = Mn(NO2)2 + Cr =>
Mn + Cr(NO2)2 = Mn(NO2)2 + Cr
Rb + ZnF2 = RbZn + F2 =>
Rb + ZnF2 = RbZn + F2
Pb + NO3 = (Pb(NO3)2) =>
Pb + 2 NO3 = (Pb(NO3)2)
ZrO(NO3)2 + C2H5NO2 = N2 + H2O + ZrO2 + CO =>
ZrO(NO3)2 + 2 C2H5NO2 = 2 N2 + 5 H2O + ZrO2 + 4 CO
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
[Cu(NH3)4]{+2} + HCl + H{+} = NH4{+} + CuCl2 =>
[Cu(NH3)4]{+2} + 2 HCl + 2 H{+} = 4 NH4{+} + CuCl2
Mg + P8 = MgP =>
8 Mg + P8 = 8 MgP
MgSO4 + Sr(NO3)2 = Sr2(SO4)2 + Mg(NO3)2 =>
2 MgSO4 + 2 Sr(NO3)2 = Sr2(SO4)2 + 2 Mg(NO3)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Pb + O2 = PbO2 =>
Pb + O2 = PbO2
HNO3(aq) + KOH(aq) = KNO3(aq) + H2O(l) =>
HNO3(aq) + KOH(aq) = KNO3(aq) + H2O(l)
C5H9NO2 + O2 = H2O + CO2 + COH4N2 =>
2 C5H9NO2 + 11 O2 = 7 H2O + 9 CO2 + COH4N2
K2SO4 + B(OH)3 = KOH + B2(SO4)3 =>
3 K2SO4 + 2 B(OH)3 = 6 KOH + B2(SO4)3
I2 + HNO3 = HIO3 + NO + H2O =>
3 I2 + 10 HNO3 = 6 HIO3 + 10 NO + 2 H2O
NaOH + Sr = Sr(OH)2 + Na =>
2 NaOH + Sr = Sr(OH)2 + 2 Na
FeC + H2SO4 = FeSO4 + SO2 + CO2 + H2O =>
FeC + 4 H2SO4 = FeSO4 + 3 SO2 + CO2 + 4 H2O
ZnCO3 + K = KCO3 + Zn =>
ZnCO3 + K = KCO3 + Zn
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
CH3COOH(l) + O2(g) = H2O + CO2 =>
CH3COOH(l) + 2 O2(g) = 2 H2O + 2 CO2
Sb2O3 + HNO3 = Sb2O5 + NO + H2O =>
3 Sb2O3 + 4 HNO3 = 3 Sb2O5 + 4 NO + 2 H2O
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