| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H10 + Br = C6H10Br =>
C6H10 + Br = C6H10Br
K2Cr2O7 + HCl + Zn = ZnCr2O7 + Cr + KCl + H2O =>
7 K2Cr2O7 + 14 HCl + 6 Zn = 6 ZnCr2O7 + 2 Cr + 14 KCl + 7 H2O
Au + HClO4 = AuClO4 + H2 =>
2 Au + 2 HClO4 = 2 AuClO4 + H2
K2Cr2O7 + HCl + Zn = ZnCr2O7 + Cr + KCl + H2O =>
7 K2Cr2O7 + 14 HCl + 6 Zn = 6 ZnCr2O7 + 2 Cr + 14 KCl + 7 H2O
Fe2(SO4)3(aq) + (NH4)3PO4(aq) = FePO4(s) + (NH4)2SO4(aq) =>
Fe2(SO4)3(aq) + 2(NH4)3PO4(aq) = 2 FePO4(s) + 3(NH4)2SO4(aq)
H2C2 + O2 = CO + H2O =>
2 H2C2 + 3 O2 = 4 CO + 2 H2O
Eu18Zn3P14O56 = Eu15ZnP12O48 + P4 + EuPO4 + EuZnO2 =>
4 Eu18Zn3P14O56 = 4 Eu15ZnP12O48 + P4 + 4 EuPO4 + 8 EuZnO2
K2SO4(aq) + AgNO3(aq) = Ag2SO4(s) + KNO3(aq) =>
K2SO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + 2 KNO3(aq)
Fe + LiCl = Li + FeCl2 =>
Fe + 2 LiCl = 2 Li + FeCl2
H2C2 + O2 = CO + H2O =>
2 H2C2 + 3 O2 = 4 CO + 2 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
K3PO4 + Mg(NO3)2 = KNO3 + Mg3(PO4)2 =>
2 K3PO4 + 3 Mg(NO3)2 = 6 KNO3 + Mg3(PO4)2
Si + Mg = Si2Mg =>
2 Si + Mg = Si2Mg
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
SnI2 + H2O = Sn(OH)I + HI =>
SnI2 + H2O = Sn(OH)I + HI
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Na2S + Ag2SO4 = Ag2S + Na2SO4 =>
Na2S + Ag2SO4 = Ag2S + Na2SO4
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
ZnO + Co = Zn + CoO2 =>
2 ZnO + Co = 2 Zn + CoO2
MnS + CaCO3 = MnCO3 + CaS =>
MnS + CaCO3 = MnCO3 + CaS
ZnS2O4 + NaOH = ZnS + Na2[Zn(OH)4] + Na2SO3 + H2O =>
3 ZnS2O4 + 14 NaOH = ZnS + 2 Na2[Zn(OH)4] + 5 Na2SO3 + 3 H2O
C2H4O + H2O = C2H6O2 =>
C2H4O + H2O = C2H6O2
H2C2 + O2 = CO + H2O =>
2 H2C2 + 3 O2 = 4 CO + 2 H2O
KMnO4 + H2SO4 + Sb = K2SO4 + MnSO4 + Sb2O3 + H2O =>
6 KMnO4 + 9 H2SO4 + 10 Sb = 3 K2SO4 + 6 MnSO4 + 5 Sb2O3 + 9 H2O
H2C2 + O2 = CO + H2O =>
2 H2C2 + 3 O2 = 4 CO + 2 H2O
KMnO4 + H2C2O4 + H2SO4 = CO2 + K2SO4 + H2O + MnSO4 =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 10 CO2 + K2SO4 + 8 H2O + 2 MnSO4
Cs + NiCl2 = CsCl + Ni =>
2 Cs + NiCl2 = 2 CsCl + Ni
Al + HCl + H2O = Al2(OH)5Cl + H2 =>
2 Al + HCl + 5 H2O = Al2(OH)5Cl + 3 H2
Ag + Au2O3 = Au + Ag2O3 =>
2 Ag + Au2O3 = 2 Au + Ag2O3
KMnO4 + HNO3 + KBr = KNO3 + Br2 + Mn(NO3)2 + H2O =>
2 KMnO4 + 16 HNO3 + 10 KBr = 12 KNO3 + 5 Br2 + 2 Mn(NO3)2 + 8 H2O
Li(s) + H2O = LiOH + H2 =>
2 Li(s) + 2 H2O = 2 LiOH + H2
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
I2O5 + C0 = I2 + CO2 =>
2 I2O5 + 5 C0 = 2 I2 + 5 CO2
Ag + KNO3 + H2SO4 = Ag2SO4 + K2SO4 + NO + H2O =>
6 Ag + 2 KNO3 + 4 H2SO4 = 3 Ag2SO4 + K2SO4 + 2 NO + 4 H2O
C16H34 + O23 = CO2 + H2O =>
23 C16H34 + 49 O23 = 368 CO2 + 391 H2O
NH3(g) + O2(g) = NO(g) + H2O(r) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(r)
Fe2(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
Fe2(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
C6H10O + KMnO4 = C6H10O4 + MnO2 + K =>
2 C6H10O + 3 KMnO4 = 2 C6H10O4 + 3 MnO2 + 3 K
ZnCl2(ac) + Na3PO4(ac) = Zn3(PO4)2(ac) + NaCl(ac) =>
3 ZnCl2(ac) + 2 Na3PO4(ac) = Zn3(PO4)2(ac) + 6 NaCl(ac)
FeS2 + Na2Cr2O7 + HClO4 = Fe(ClO4)3 + SO4 + Cr(ClO4)3 + NaClO4 + H2O =>
6 FeS2 + 19 Na2Cr2O7 + 170 HClO4 = 6 Fe(ClO4)3 + 12 SO4 + 38 Cr(ClO4)3 + 38 NaClO4 + 85 H2O
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Fe2(O2)3 + CO = Fe + CO2 =>
Fe2(O2)3 + 6 CO = 2 Fe + 6 CO2
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
SnI2 + H2O = Sn(OH)2 + HI =>
SnI2 + 2 H2O = Sn(OH)2 + 2 HI
Ni + HNO3 = N2 + Ni(NO3)2 + H2O =>
5 Ni + 12 HNO3 = N2 + 5 Ni(NO3)2 + 6 H2O
CH3CH(OH)CH3 + Na2Cr2O7 + H2SO4 = CH3CH2CH2CHO + Cr2(SO4)3 + Na2SO4 + H2O =>
4 CH3CH(OH)CH3 + Na2Cr2O7 + 4 H2SO4 = 3 CH3CH2CH2CHO + Cr2(SO4)3 + Na2SO4 + 8 H2O
MgSO4(aq) + Na3PO4(aq) = MgPO4(s) + Na3SO4(aq) =>
MgSO4(aq) + Na3PO4(aq) = MgPO4(s) + Na3SO4(aq)
P4 + NaOH + H2O = PH3 + Na2HPO3 = + CH3CH3gO2g + CO2gH2Og =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
HCH2ClCO2 + OH = H2C2ClO2 + H2O =>
HCH2ClCO2 + OH = H2C2ClO2 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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