| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na3PO4 + Ca(NO3)2 = Na3(NO3)2 + Ca(PO4)
H2S + K2Cr2O7 + H2SO4 = Cr2(SO)4 + K2SO4 + H2O =>
7 H2S + 2 K2Cr2O7 + 3 H2SO4 = 2 Cr2(SO)4 + 2 K2SO4 + 10 H2O
C2H7O + O2 = CO2 + H2 =>
2 C2H7O + 3 O2 = 4 CO2 + 7 H2
CH3COO{-} + BrO{-} = Br{-} + HCO2{-} + H{+} =>
CH3COO{-} + 2 BrO{-} = 2 Br{-} + 2 HCO2{-} + H{+}
Na + At = NaAt =>
Na + At = NaAt
KCl(aq) + Pb(NO3)2(aq) = KNO3(s) + PbCl2(s) =>
2 KCl(aq) + Pb(NO3)2(aq) = 2 KNO3(s) + PbCl2(s)
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Sn(OH)4 + ClO3 + H2O = Sn(OH)6 + Cl =>
3 Sn(OH)4 + ClO3 + 3 H2O = 3 Sn(OH)6 + Cl
HNO3 + Na2Cr2O7 = H2Cr2O7 + NaNO3 =>
2 HNO3 + Na2Cr2O7 = H2Cr2O7 + 2 NaNO3
KOH + Ag = K + AgOH =>
KOH + Ag = K + AgOH
NaHCO3NaOH = H2ONa2CO3 =>
NaHCO3NaOH = H2ONa2CO3
C7H6Cl2 + NaOH = C7H6O + NaCl + H2O =>
C7H6Cl2 + 2 NaOH = C7H6O + 2 NaCl + H2O
NaHSO3 + S2Cl2 = Na2S4O6 + HCl =>
2 NaHSO3 + S2Cl2 = Na2S4O6 + 2 HCl
CH3CH2CHO + O = CH3CH2COOH =>
CH3CH2CHO + O = CH3CH2COOH
(CH3)3N + HCl = (CH3)3NHCl =>
(CH3)3N + HCl = (CH3)3NHCl
Al2(SO3)3 + Ca(OH)2 = Al(OH)3 + CaSO3 =>
Al2(SO3)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO3
Al + SiF6{2-} = AlF3 + Si + F{-} =>
4 Al + 3 SiF6{2-} = 4 AlF3 + 3 Si + 6 F{-}
C3H7ONa + CH3Br = C4H10O + NaBr =>
C3H7ONa + CH3Br = C4H10O + NaBr
K2C2O4 + Ag2CO3 = Ag2C2O4 + K2CO3 =>
K2C2O4 + Ag2CO3 = Ag2C2O4 + K2CO3
Ba(HCO3)2 + NaHSO4 = BaSO4 + NaHCO3 + CO2 + H2O =>
Ba(HCO3)2 + NaHSO4 = BaSO4 + NaHCO3 + CO2 + H2O
FeCl3 + KOH = KCl + Fe(OH)3 =>
FeCl3 + 3 KOH = 3 KCl + Fe(OH)3
Al(NO3)3 + Ga = Al + Ga(NO3) =>
Al(NO3)3 + 3 Ga = Al + 3 Ga(NO3)
Sr(NO)2 + C2H5O2N = SrO + N2 + CO2 + H2O =>
9 Sr(NO)2 + 2 C2H5O2N = 9 SrO + 10 N2 + 4 CO2 + 5 H2O
Fe(NO3)3 + NaI = FeI3 + Na(NO3) =>
Fe(NO3)3 + 3 NaI = FeI3 + 3 Na(NO3)
AuCl3 + NaOH = Au(OH)3 + NaCl =>
AuCl3 + 3 NaOH = Au(OH)3 + 3 NaCl
Cu(NO2)2 + NaI = CuI + I2 + NaNO2 =>
2 Cu(NO2)2 + 4 NaI = 2 CuI + I2 + 4 NaNO2
C2H6O + H2O = CO2 + H2 =>
C2H6O + 3 H2O = 2 CO2 + 6 H2
UO2(NO3)2 + Zn = Zn(NO3)2 + UO2 =>
UO2(NO3)2 + Zn = Zn(NO3)2 + UO2
HBr + Be2S = BeBr + H2S =>
2 HBr + Be2S = 2 BeBr + H2S
Al + KOH + H2O = H2 + K2AlO3 =>
Al + 2 KOH + H2O = 2 H2 + K2AlO3
Na2S + FeCl3 + H2SO4 = S + Na2SO4 + FeCl2 + HCl =>
Na2S + 2 FeCl3 + H2SO4 = S + Na2SO4 + 2 FeCl2 + 2 HCl
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Zn + HC1 = ZnC1 + H2 =>
2 Zn + 2 HC1 = 2 ZnC1 + H2
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
CH3OH + KOH + KMnO4 = K2CO3 + K2MnO4 + H2O =>
CH3OH + 8 KOH + 6 KMnO4 = K2CO3 + 6 K2MnO4 + 6 H2O
K2SO4 + AgNo3 = Ag2SO4 + KNo3 =>
K2SO4 + 2 AgNo3 = Ag2SO4 + 2 KNo3
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
AgBr + KSCN = AgSCN + KBr =>
AgBr + KSCN = AgSCN + KBr
NaN3 + NaNO2 = Na2O + N2 =>
3 NaN3 + NaNO2 = 2 Na2O + 5 N2
C9H20O + O2 = CO2 + H2O =>
2 C9H20O + 27 O2 = 18 CO2 + 20 H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Al2(SO4)3 + Ba(OH)2 = Al(OH)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 BaSO4
P4 + H = PH3 =>
P4 + 12 H = 4 PH3
CH3CHO + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CHO + K2Cr2O7 + 4 H2SO4 = 3 CH3COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
CoBr2 + Na2CO3 = CoCO3 + NaBr =>
CoBr2 + Na2CO3 = CoCO3 + 2 NaBr
KF = K + F2 =>
2 KF = 2 K + F2
Zn + HC1 = ZnC1 + H2 =>
2 Zn + 2 HC1 = 2 ZnC1 + H2
Na2S2O3*5H2O = Na2SO4 + Na2S5 + H2O =>
4 Na2S2O3*5H2O = 3 Na2SO4 + Na2S5 + 20 H2O
W + Cl = WCl6 =>
W + 6 Cl = WCl6
C6H18(l) + O2(g) = HO + C =>
C6H18(l) + 9 O2(g) = 18 HO + 6 C
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Équations équilibrées sur01/04/25
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