| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C8H9NO2 + 7 SnCl2(H2O)2 + 14 HCl = 2 C8H12N + 7 SnCl4 + 18 H2O
Cd + H{+} + NO3{-} = Cd{2+} + H2O + NO =>
3 Cd + 8 H{+} + 2 NO3{-} = 3 Cd{2+} + 4 H2O + 2 NO
Na2CO3 + CaCl2 = CO2 + NaCl + CaO =>
Na2CO3 + CaCl2 = CO2 + 2 NaCl + CaO
Sn + Cu(NO3)2 = Cu + Sn(NO3)4 =>
Sn + 2 Cu(NO3)2 = 2 Cu + Sn(NO3)4
Be + O2 = BeO2 =>
Be + O2 = BeO2
CH3Cl4 + Cl2 = CCl3 + HCl3 =>
CH3Cl4 + 4 Cl2 = CCl3 + 3 HCl3
MgI2 + Fe(OH)3 = Mg(OH)2 + FeI3 =>
3 MgI2 + 2 Fe(OH)3 = 3 Mg(OH)2 + 2 FeI3
H2SO4 + Ag2O = Ag2SO4 + H2O =>
H2SO4 + Ag2O = Ag2SO4 + H2O
CrCl3 + Zn = ZnCl3 + Cr =>
CrCl3 + Zn = ZnCl3 + Cr
Ba(BrO3)2 + H2SO4 = BaSO4 + HBrO3 =>
Ba(BrO3)2 + H2SO4 = BaSO4 + 2 HBrO3
C4H10 + O = CO2 + H =>
C4H10 + 8 O = 4 CO2 + 10 H
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
K2CO3 + BaCl2 = KCl + BaCO3 =>
K2CO3 + BaCl2 = 2 KCl + BaCO3
KMnO4(aq) + H2C2O4(aq) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + CO2(g) + H2O(l) =>
2 KMnO4(aq) + 5 H2C2O4(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + K2SO4(aq) + 10 CO2(g) + 8 H2O(l)
Na2SnO3 + H3NSO3 = SnO2 + NaSO2 + N + H2O =>
Na2SnO3 + 2 H3NSO3 = SnO2 + 2 NaSO2 + 2 N + 3 H2O
Na2S + I2 = S + NaI =>
Na2S + I2 = S + 2 NaI
MnO4{-} + SO32{-} + H{+} = Mn2{+} + SO42{-} + H2O =>
40 MnO4{-} + 13 SO32{-} + 60 H{+} = 20 Mn2{+} + 13 SO42{-} + 30 H2O
C8H12(s) + O2(g) = CO2 + H2O(g) =>
C8H12(s) + 11 O2(g) = 8 CO2 + 6 H2O(g)
KCl = K + Cl2 =>
2 KCl = 2 K + Cl2
K2CrO4 + H2O = KOH + H2CrO4 =>
K2CrO4 + 2 H2O = 2 KOH + H2CrO4
O2 + NO = NO2 =>
O2 + 2 NO = 2 NO2
ScOH + HNO3 = Sc(NO3) + HOH =>
ScOH + HNO3 = Sc(NO3) + HOH
V + O2 = V2O7 =>
4 V + 7 O2 = 2 V2O7
KBr + Ba(NO3)2 = BaBr2 + KNO3 =>
2 KBr + Ba(NO3)2 = BaBr2 + 2 KNO3
NH4N + KCN = KN + NH4CN =>
NH4N + KCN = KN + NH4CN
Pb(NO3)2 + Na3I = Pb(IO3)2 + Na3N =>
Pb(NO3)2 + 2 Na3I = Pb(IO3)2 + 2 Na3N
Ni(NO3)2 + Ag = Ni + Ag3(NO3) =>
Ni(NO3)2 + 6 Ag = Ni + 2 Ag3(NO3)
NH4OH + HCl = H2O + NH4Cl =>
NH4OH + HCl = H2O + NH4Cl
Mg + Fe(NO3)2 = Fe + Mg(NO3)3 =>
2 Mg + 3 Fe(NO3)2 = 3 Fe + 2 Mg(NO3)3
CuS + MgSO4 = CuSO4 + MgS =>
CuS + MgSO4 = CuSO4 + MgS
Ca(HCO3)2 + Ca(OH)2 = Ca(CO3) + H(OH) =>
Ca(HCO3)2 + Ca(OH)2 = 2 Ca(CO3) + 2 H(OH)
H2O2 + HNO3 + S2 = NH3 + H2SO4 =>
14 H2O2 + 4 HNO3 + 5 S2 = 4 NH3 + 10 H2SO4
AgCl + Ca(Cl)2 = Cl + AgCa =>
AgCl + Ca(Cl)2 = 3 Cl + AgCa
Au{+} = Au + Au{+3} =>
3 Au{+} = 2 Au + Au{+3}
Mg + MgO3 = MgO =>
2 Mg + MgO3 = 3 MgO
HNO3 + Cu(HO)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(HO)2 = Cu(NO3)2 + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CH3CH2OH + Cr2O7 = Cr + CH3CHO + H2O =>
7 CH3CH2OH + Cr2O7 = 2 Cr + 7 CH3CHO + 7 H2O
Pb(OH)4 + N2O5 = Pb(NO3)4 + H2O =>
Pb(OH)4 + 2 N2O5 = Pb(NO3)4 + 2 H2O
K(OH)2 + HNO3 = K(NO3)2 + H2O =>
K(OH)2 + 2 HNO3 = K(NO3)2 + 2 H2O
HCOOH + H2SO4 = CH4 + SO3 + O3 =>
HCOOH + H2SO4 = CH4 + SO3 + O3
Zn(NH3)4Br2 = [Zn(NH3)4]Br2 =>
Zn(NH3)4Br2 = [Zn(NH3)4]Br2
NaBrO4 + NaBr = NaBrO3 =>
3 NaBrO4 + NaBr = 4 NaBrO3
CO + H = CH3OCH3 + H2O =>
2 CO + 8 H = CH3OCH3 + H2O
C18H34O2 + H2O = C18H35O3 + C18H36O2 =>
3 C18H34O2 + 2 H2O = 2 C18H35O3 + C18H36O2
KIO3 + Na2SO3 + H2SO4 = I + Na2SO4 + K2SO4 + H2O =>
2 KIO3 + 5 Na2SO3 + H2SO4 = 2 I + 5 Na2SO4 + K2SO4 + H2O
Na2(CO3) + FeCl3 = Fe2O3 + NaCl + CO2 =>
3 Na2(CO3) + 2 FeCl3 = Fe2O3 + 6 NaCl + 3 CO2
HNO3 + P2O5 = HPO3 + N2O3 + O2 =>
2 HNO3 + P2O5 = 2 HPO3 + N2O3 + O2
Sn + I = SnI2 =>
Sn + 2 I = SnI2
(NH4)2SO4 + K2CO3 = (NH4)2CO3 + K2SO4 =>
(NH4)2SO4 + K2CO3 = (NH4)2CO3 + K2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/05/25
Équations équilibrées sur02/04/24
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