| Équations équilibrées la veille |
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
C7H7NO2 + O2 = CO2 + H2O + N2 =>
4 C7H7NO2 + 31 O2 = 28 CO2 + 14 H2O + 2 N2
C6H3OHOCH3CHO + CH3NO2 = C6H3OHOCH3CHCHNO2 + H2O =>
C6H3OHOCH3CHO + CH3NO2 = C6H3OHOCH3CHCHNO2 + H2O
Pb(NO3)2 + NaI = Pb(I)2 + Na(NO3) =>
Pb(NO3)2 + 2 NaI = Pb(I)2 + 2 Na(NO3)
ClO4{-} + H3PO2 = H3PO4 + Cl{-} =>
ClO4{-} + 2 H3PO2 = 2 H3PO4 + Cl{-}
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Al + Au2SO4 = Au + Al2(SO4)3 =>
2 Al + 3 Au2SO4 = 6 Au + Al2(SO4)3
CoI2 + Rb2S = Rb2I2 + CoS =>
CoI2 + Rb2S = Rb2I2 + CoS
NaCn + HBr = NaBr + HCn =>
NaCn + HBr = NaBr + HCn
Gd3TaO7 + Ta2O5 = GdTaO4 =>
Gd3TaO7 + Ta2O5 = 3 GdTaO4
MnO4{-} + SO3{-}2 + H{+} = Mn{+}2 + SO4{-}2 + H2O =>
MnO4{-} + 3 SO3{-}2 + 2 H{+} = Mn{+}2 + 3 SO4{-}2 + H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
Na + HBr = NaBr + H =>
Na + HBr = NaBr + H
Al + CuCl2H2O = Cu + AlCl3 + H2O =>
2 Al + 3 CuCl2H2O = 3 Cu + 2 AlCl3 + 3 H2O
NaF(aq) + Th(NO3)4(aq) = NaNO3(aq) + ThF4(s) =>
4 NaF(aq) + Th(NO3)4(aq) = 4 NaNO3(aq) + ThF4(s)
C7H37 + O2 = CO2 + H2O =>
4 C7H37 + 65 O2 = 28 CO2 + 74 H2O
KBrHNO3 = KNO3HBr =>
KBrHNO3 = KNO3HBr
NaCl + FeI3 = FeCl3 + NaI =>
3 NaCl + FeI3 = FeCl3 + 3 NaI
Mn(NO3)3 + NH3 + H2O = MnOH + NH4NO3 =>
4 Mn(NO3)3 + 14 NH3 + 7 H2O = 4 MnOH + 13 NH4NO3
ClO2{-} + Br2 + H2O = ClO4{-} + Br{-} + H{+} =>
ClO2{-} + 2 Br2 + 2 H2O = ClO4{-} + 4 Br{-} + 4 H{+}
W + Co = WCo3 =>
W + 3 Co = WCo3
HNO2 + HI = I2 + NO + H2O =>
2 HNO2 + 2 HI = I2 + 2 NO + 2 H2O
KI + AgNO3 = K(NO3) + AgI =>
KI + AgNO3 = K(NO3) + AgI
CH2(NH2)COOH + O2 = NH3 + CO2 + H2O =>
2 CH2(NH2)COOH + 3 O2 = 2 NH3 + 4 CO2 + 2 H2O
K2SO4 + NaNo3 = KNo3 + Na2SO4 =>
K2SO4 + 2 NaNo3 = 2 KNo3 + Na2SO4
H2O + NO2 + Cu(NO5)2 = Cu + HNO3 =>
6 H2O + 10 NO2 + Cu(NO5)2 = Cu + 12 HNO3
O2 + C14H6O8 = C14H6O10 =>
O2 + C14H6O8 = C14H6O10
K2S2O8 + Mn + H2O = KMnO4 + K2SO4 + H2SO4 =>
7 K2S2O8 + 2 Mn + 8 H2O = 2 KMnO4 + 6 K2SO4 + 8 H2SO4
K2Cr2O7 + Na2C2O4 + H2(SO4) = K2SO4 + Cr2(SO4)3 + Na2(SO4) + C(SO4)2 + H2O =>
K2Cr2O7 + 3 Na2C2O4 + 19 H2(SO4) = K2SO4 + Cr2(SO4)3 + 3 Na2(SO4) + 6 C(SO4)2 + 19 H2O
Pb(NO3)2 + H2SO4 = Pb(HSO4)2 + HNO3 =>
Pb(NO3)2 + 2 H2SO4 = Pb(HSO4)2 + 2 HNO3
K2CO3 + BaCl2 = BaCO3 + K2Cl2 =>
K2CO3 + BaCl2 = BaCO3 + K2Cl2
K + H2S = H2 + K2S =>
2 K + H2S = H2 + K2S
CoCl2 + KSCN = KCl + Co(SCN)2 =>
CoCl2 + 2 KSCN = 2 KCl + Co(SCN)2
H2C2O4 + MnO4{-} + H{+} = CO2 + Mn{2} + H2O =>
5 H2C2O4 + 2 MnO4{-} + 6 H{+} = 10 CO2 + 2 Mn{2} + 8 H2O
H2O + PbSO4 = Pb(OH)2 + SO4 + H =>
2 H2O + PbSO4 = Pb(OH)2 + SO4 + 2 H
SnCl4(aq) + Ba(NO3)2(aq) = Sn(NO3)2(aq) + BaCl4(aq) =>
SnCl4(aq) + Ba(NO3)2(aq) = Sn(NO3)2(aq) + BaCl4(aq)
Cu + Si = CuSi =>
Cu + Si = CuSi
N2 = N100 =>
50 N2 = N100
HCl + NaS2O3 = NaCl + SO4 + S + H2O =>
8 HCl + 8 NaS2O3 = 8 NaCl + 5 SO4 + 11 S + 4 H2O
Cu(NO3)2 + HBr = CuBr2 + HNO3 =>
Cu(NO3)2 + 2 HBr = CuBr2 + 2 HNO3
NiSO4 + Na2S + NaOH = Na2SO4 + Ni2S + H2O =>
8 NiSO4 + 5 Na2S + 8 NaOH = 9 Na2SO4 + 4 Ni2S + 4 H2O
Si2 + Br = SiBr4 =>
Si2 + 8 Br = 2 SiBr4
BaCl2 + Co2(SO4)3 = Ba(SO4)3 + Cl2Co2 =>
BaCl2 + Co2(SO4)3 = Ba(SO4)3 + Cl2Co2
H + N2 = NNH3 =>
3 H + N2 = NNH3
C2H4 + HCl = C2H6Cl2 =>
C2H4 + 2 HCl = C2H6Cl2
ZnO(s) + C(s) = Zn(s) + CO =>
ZnO(s) + C(s) = Zn(s) + CO
AgNo3 + CaCl2 = AgCl + Ca(No3)2 =>
2 AgNo3 + CaCl2 = 2 AgCl + Ca(No3)2
H2SO4 + Fe = Fe(SO4)3 + S + H2O =>
4 H2SO4 + Fe = Fe(SO4)3 + S + 4 H2O
HClO2 = HClO3 + HCl =>
3 HClO2 = 2 HClO3 + HCl
Pb(ClO3)2(aq) + NaI(aq) = Na2(ClO3)2(aq) + PbI2(s) =>
Pb(ClO3)2(aq) + 2 NaI(aq) = Na2(ClO3)2(aq) + PbI2(s)
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Équations équilibrées sur11/23/24
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