| Équations équilibrées la veille | Équations équilibrées le lendemain |
5 KBr + KBrO3 + 6 HCl = 3 Br2 + 6 KCl + 3 H2O
Ra + C = RaC2 =>
Ra + 2 C = RaC2
CuSO4 + SH2O = CuSO4*SH2O =>
CuSO4 + SH2O = CuSO4*SH2O
HNO3 + NH3 = HOH + N2O =>
HNO3 + NH3 = 2 HOH + N2O
Na2UO4 + HNO3 = UO2(NO3)2 + H2O + NaNO3 =>
Na2UO4 + 4 HNO3 = UO2(NO3)2 + 2 H2O + 2 NaNO3
K2(Cr2O7) + AlCl3 = Al2(Cr2O7)3 + KCl =>
3 K2(Cr2O7) + 2 AlCl3 = Al2(Cr2O7)3 + 6 KCl
Cu + SO2 = CuO + S =>
2 Cu + SO2 = 2 CuO + S
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
H3CCH(OH)CH3 + O2 = CO2 + H2O =>
2 H3CCH(OH)CH3 + 9 O2 = 6 CO2 + 8 H2O
NaNO2 + PbO2 + H2SO4 = NaNO3 + PbSO4 + H2O =>
NaNO2 + PbO2 + H2SO4 = NaNO3 + PbSO4 + H2O
H2CO3 + NH4OH = H2O + (NH4)2CO3 =>
H2CO3 + 2 NH4OH = 2 H2O + (NH4)2CO3
Al + NiSO4 = Al6(SO4)6 + Ni =>
6 Al + 6 NiSO4 = Al6(SO4)6 + 6 Ni
H2SnCl6 + Ca(OH)2 = Sn(OH)4 + CaCl2 + H2O =>
H2SnCl6 + 3 Ca(OH)2 = Sn(OH)4 + 3 CaCl2 + 2 H2O
C3H6N6 + O2 = H2O + CO2 + NO =>
2 C3H6N6 + 15 O2 = 6 H2O + 6 CO2 + 12 NO
ZnMgO = MgZnO =>
ZnMgO = MgZnO
Y2O3 + CuO + O2 + BaCO3 = YBa2Cu3O7 + CO2 =>
2 Y2O3 + 12 CuO + O2 + 8 BaCO3 = 4 YBa2Cu3O7 + 8 CO2
HgO + Cl = HgCl2 + Cl2O =>
HgO + 4 Cl = HgCl2 + Cl2O
PO + O2 = PO2 =>
2 PO + O2 = 2 PO2
KClO3 + P4 = P4O10 + KCl =>
10 KClO3 + 3 P4 = 3 P4O10 + 10 KCl
KMnO4 + N0 + H2SO4 = MnSO4 + NO2 + K2SO4 + H2O =>
4 KMnO4 + 5 N0 + 6 H2SO4 = 4 MnSO4 + 5 NO2 + 2 K2SO4 + 6 H2O
MnO2 + Al = Mn3Al3 + O2 =>
3 MnO2 + 3 Al = Mn3Al3 + 3 O2
C14H30 = C7H16 + C2H4 =>
2 C14H30 = 2 C7H16 + 7 C2H4
K2CO3 + O2 + Cr2O3 = K2CrO4 + CO2 =>
4 K2CO3 + 3 O2 + 2 Cr2O3 = 4 K2CrO4 + 4 CO2
C7H7NO2 + C4H6O3 = C9H7NO2 + C2H4O2 =>
C7H7NO2 + 2 C4H6O3 = C9H7NO2 + 3 C2H4O2
Cr(OH)2 + HBr = CrBr2 + H2O =>
Cr(OH)2 + 2 HBr = CrBr2 + 2 H2O
Pb + H2SO4 = Pb2(SO4)2 + H2 =>
2 Pb + 2 H2SO4 = Pb2(SO4)2 + 2 H2
CuCl2 + H2SO4 = CuSO4 + HCl =>
CuCl2 + H2SO4 = CuSO4 + 2 HCl
Pb{2+} + Cl{-} = Pb + Cl2 =>
Pb{2+} + 2 Cl{-} = Pb + Cl2
N2(g) + O2(g) = NO2(l) =>
N2(g) + 2 O2(g) = 2 NO2(l)
Cl2 + HNO3 = HClO3 + NO2 + H2O =>
Cl2 + 10 HNO3 = 2 HClO3 + 10 NO2 + 4 H2O
CF2Cl2 = CF2Cl + Cl2 =>
2 CF2Cl2 = 2 CF2Cl + Cl2
Fr2Cr2O7 + SnF2 + HF = CrF3 + SnF4 + FrF + H2O =>
Fr2Cr2O7 + 3 SnF2 + 14 HF = 2 CrF3 + 3 SnF4 + 2 FrF + 7 H2O
FeCl2(s) + O2(g) = Fe3O4(s) + Cl2(g) =>
3 FeCl2(s) + 2 O2(g) = Fe3O4(s) + 3 Cl2(g)
NH3 + OH = NO + H2O =>
NH3 + 5 OH = NO + 4 H2O
K2Cr2O7 + H2SO4 + HCl = Cr2(SO4)3 + H2O + Cl2 + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 6 HCl = Cr2(SO4)3 + 7 H2O + 3 Cl2 + K2SO4
Ni(NO3)2 + Zn(NO3)2 + (FeNO3) + NH2CONH2 = NiZnFe2O4 + CO2 + N2 + H2O =>
3 Ni(NO3)2 + 3 Zn(NO3)2 + 6(FeNO3) + 14 NH2CONH2 = 3 NiZnFe2O4 + 14 CO2 + 23 N2 + 28 H2O
H2SO4(aq) + NaI(s) = Na2SO4(aq) + H2O(l) + I2(g) + SO2(g) =>
2 H2SO4(aq) + 2 NaI(s) = Na2SO4(aq) + 2 H2O(l) + I2(g) + SO2(g)
NaOHHCl = H2ONaCl =>
NaOHHCl = H2ONaCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
PCl3(l) + H2O(l) = H3PO3(aq) + HCl(aq) =>
PCl3(l) + 3 H2O(l) = H3PO3(aq) + 3 HCl(aq)
CH3CO2C2H5NaOH = C2H5OHCH3CO2Na =>
CH3CO2C2H5NaOH = C2H5OHCH3CO2Na
C6H5Cl(s) + O2(g) = CO2(s) + H2O(g) + HCl =>
C6H5Cl(s) + 7 O2(g) = 6 CO2(s) + 2 H2O(g) + HCl
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
SO2 + F2 = SF2 + O2 =>
SO2 + F2 = SF2 + O2
(C3H5(NO3)3) = N2 + O2 + H2O + CO2 =>
4(C3H5(NO3)3) = 6 N2 + O2 + 10 H2O + 12 CO2
Mg + HOOCCOOH = Mg(OOCCOOH)2 + H2 =>
Mg + 2 HOOCCOOH = Mg(OOCCOOH)2 + H2
NaBrO3 + MnO2 + NaOH = Na2MnO4 + H2O + NaBr =>
NaBrO3 + 3 MnO2 + 6 NaOH = 3 Na2MnO4 + 3 H2O + NaBr
CeO2 = Ce + O2 =>
CeO2 = Ce + O2
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