| Équations équilibrées la veille |
C10H804 + 211 O2 = 10 CO2 + 402 H2O
SnCl4 + Sn = SnCl2 =>
SnCl4 + Sn = 2 SnCl2
NaCr2 + PbO2 + NaOH = Na2PbO2 + Na2CrO4 + H2O =>
2 NaCr2 + 13 PbO2 + 32 NaOH = 13 Na2PbO2 + 4 Na2CrO4 + 16 H2O
Cs + Ca3(PO4)2 = Cs3PO4 + Ca =>
6 Cs + Ca3(PO4)2 = 2 Cs3PO4 + 3 Ca
C10H8 + Cl = C + HCl =>
C10H8 + 8 Cl = 10 C + 8 HCl
MnO4 + NO2 = Mn + NO3 =>
MnO4 + 4 NO2 = Mn + 4 NO3
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)4 + I2 + K2SO4 + H2O =>
K2Cr2O7 + 4 KI + 7 H2SO4 = Cr2(SO4)4 + 2 I2 + 3 K2SO4 + 7 H2O
KNO2 + KI + H2SO4 = I2 + N2 + K2SO4 + H2O =>
2 KNO2 + 6 KI + 4 H2SO4 = 3 I2 + N2 + 4 K2SO4 + 4 H2O
FeSO4 + Ba(CH3COO)2 = BaSO4 + Fe(CH3COO)2 =>
FeSO4 + Ba(CH3COO)2 = BaSO4 + Fe(CH3COO)2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C + Fe2O3 = CO2 + Fe =>
3 C + 2 Fe2O3 = 3 CO2 + 4 Fe
FeCl3 + H2SO4 + Na2S = Na2SO4 + FeCl2 + HCl + S =>
2 FeCl3 + H2SO4 + Na2S = Na2SO4 + 2 FeCl2 + 2 HCl + S
Cu + Ba(No3)2 = CuNo3 + Ba =>
2 Cu + Ba(No3)2 = 2 CuNo3 + Ba
HPO3 + C = H2 + CO + P4 =>
4 HPO3 + 12 C = 2 H2 + 12 CO + P4
H2S + SO2 = H2O + S =>
2 H2S + SO2 = 2 H2O + 3 S
KMnO4 + NaOH + KI = KNaMnO4 + KIO3 + H2O =>
6 KMnO4 + 6 NaOH + KI = 6 KNaMnO4 + KIO3 + 3 H2O
NO2 + KI = NO + I2 + KNO3 =>
4 NO2 + 2 KI = 2 NO + I2 + 2 KNO3
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Cu + S = Cu2S5 =>
2 Cu + 5 S = Cu2S5
Li2S + W = W2S + Li =>
Li2S + 2 W = W2S + 2 Li
Al + H2S = Al2S + H2 =>
2 Al + H2S = Al2S + H2
Cr1{+} + Sn4{+} = Cr3{+} + Sn2{+} =>
3 Cr1{+} + 2 Sn4{+} = Cr3{+} + 4 Sn2{+}
H2SeO4 + Li2O = Li2SeO4 + H2O =>
H2SeO4 + Li2O = Li2SeO4 + H2O
Na2CO3(s) = Na2O(s) + CO2 =>
Na2CO3(s) = Na2O(s) + CO2
C9H8O2 + C5H6NBr3 = C9H8O2Br2 + C5H5NHBr =>
C9H8O2 + C5H6NBr3 = C9H8O2Br2 + C5H5NHBr
C2H6 + O2 = CH3COOH + H2O* =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O*
PbCrO4 + HCl + FeSO4 = PbCl2 + Cr(SO4) + FeCl3 + H2O + Fe2(SO4)3 =>
PbCrO4 + 8 HCl + 4 FeSO4 = PbCl2 + Cr(SO4) + 2 FeCl3 + 4 H2O + Fe2(SO4)3
Al + HCl = AlCl3 + (H2)2 =>
4 Al + 12 HCl = 4 AlCl3 + 3(H2)2
NaAlH4 + H2SO4 = AlH3 + Na2SO4 + H2 =>
2 NaAlH4 + H2SO4 = 2 AlH3 + Na2SO4 + 2 H2
Al = Al{3+} + e =>
Al = Al{3+} + 3e
CuSO4(aq) + Na2S(aq) = CuS + Na2SO4(aq) =>
CuSO4(aq) + Na2S(aq) = CuS + Na2SO4(aq)
NaHSO4(s) = Na2O(aq) + SO3(g) + H2O(g) =>
2 NaHSO4(s) = Na2O(aq) + 2 SO3(g) + H2O(g)
HS{-} + HV2O7{3-} + H2O = S8 + HV2O5{-} + OH{-} =>
8 HS{-} + 8 HV2O7{3-} + 8 H2O = S8 + 8 HV2O5{-} + 24 OH{-}
Al + NH4ClO4 = Al2O3 + Cl + H2O + N =>
4 Al + 3 NH4ClO4 = 2 Al2O3 + 3 Cl + 6 H2O + 3 N
N2H2 + H2O = N2O + NH3 =>
2 N2H2 + H2O = N2O + 2 NH3
HNo2 + NaNo2 = No2 + NaH =>
HNo2 + NaNo2 = 2 No2 + NaH
Ca + P = Ca2P5 =>
2 Ca + 5 P = Ca2P5
NaOCl + CH3COOH = HOCl + CH3COONa =>
NaOCl + CH3COOH = HOCl + CH3COONa
H2SO4 + Na(OH)2 = Na2(SO4)2 + H2O =>
2 H2SO4 + 2 Na(OH)2 = Na2(SO4)2 + 4 H2O
SnCl2 + K2Cr2O7 + KOH = SnO2 + KCrO2 + KCl + H2O =>
3 SnCl2 + K2Cr2O7 + 6 KOH = 3 SnO2 + 2 KCrO2 + 6 KCl + 3 H2O
SeO3 + H2O = HSeO4 + H2 =>
2 SeO3 + 2 H2O = 2 HSeO4 + H2
C20H42 + N2O = CO2 + H2O + N =>
C20H42 + 61 N2O = 20 CO2 + 21 H2O + 122 N
Pb(OH)2 + Al = Al(OH)3 + Pb =>
3 Pb(OH)2 + 2 Al = 2 Al(OH)3 + 3 Pb
CO2 + Mg(OH)2 = MgCO3 + H2O =>
CO2 + Mg(OH)2 = MgCO3 + H2O
C7H13(OH) + O2 = CO2 + H2O =>
C7H13(OH) + 10 O2 = 7 CO2 + 7 H2O
NaClO3 + HBr = HClO3 + NaBr =>
NaClO3 + HBr = HClO3 + NaBr
CuH10O9S + O2 = CuO11 + H10S =>
CuH10O9S + O2 = CuO11 + H10S
CH2(COOH)2 + NaOH = CH2(COONa)2 + H2O =>
CH2(COOH)2 + 2 NaOH = CH2(COONa)2 + 2 H2O
B + F2 = BF =>
2 B + F2 = 2 BF
KMnO4 + Na2S + H2SO4 = S + MnSO4 + K2SO4 + NaOH =>
2 KMnO4 + 2 Na2S + 2 H2SO4 = S + 2 MnSO4 + K2SO4 + 4 NaOH
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