| Équations équilibrées la veille | Équations équilibrées le lendemain |
C12H22O11 + 16 CrO3 = 12 CO2 + 11 H2O + 8 Cr2O3
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
C2H3COOH + KOH = C2H3COOK + H2O =>
C2H3COOH + KOH = C2H3COOK + H2O
H(OH)4 + H3PO4 = H3(PO4)2 + H2O =>
H(OH)4 + 2 H3PO4 = H3(PO4)2 + 4 H2O
KI + NaNO2 + H2SO4 = NO + Na2SO4 + K2SO4 + I2 + H2O =>
2 KI + 2 NaNO2 + 2 H2SO4 = 2 NO + Na2SO4 + K2SO4 + I2 + 2 H2O
Br2(g) + KI(aq) = KBr(aq) + I2(s) =>
Br2(g) + 2 KI(aq) = 2 KBr(aq) + I2(s)
KOH + H3Po3 + KO3 = K3Po4 + H2O =>
42 KOH + 20 H3Po3 + 3 KO3 = 15 K3Po4 + 51 H2O
HCOOH + NaClO = HClO + HCOONa =>
HCOOH + NaClO = HClO + HCOONa
BaO + CaCl2 = BaCl2 + CaO =>
BaO + CaCl2 = BaCl2 + CaO
MgSO4 + Li2O = MgO + Li2SO4 =>
MgSO4 + Li2O = MgO + Li2SO4
MgBr2 + Na2SO4 = MgSO4 + Na2Br2 =>
MgBr2 + Na2SO4 = MgSO4 + Na2Br2
KI + NH4NO3 = KNO3 + NH4I =>
KI + NH4NO3 = KNO3 + NH4I
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
BaCl2 + Na2SO4 = Na2SO4BaCl2 =>
BaCl2 + Na2SO4 = Na2SO4BaCl2
Hg{+2} + S{-2} = HgS =>
Hg{+2} + S{-2} = HgS
HCl + Hg2{2+} = Hg2Cl2 + H{+} =>
2 HCl + Hg2{2+} = Hg2Cl2 + 2 H{+}
KOH + H3Po3 + KO3 = K3Po4 + H2O =>
42 KOH + 20 H3Po3 + 3 KO3 = 15 K3Po4 + 51 H2O
C4H8O2(l) + O2(g) = CO2(g) + H2O9(v) =>
C4H8O2(l) + 21 O2(g) = 4 CO2(g) + 4 H2O9(v)
N2H4 + HNO3 = N2H5NO3 =>
N2H4 + HNO3 = N2H5NO3
H2C2O4 + KMnO4 = CO2 + MnO + K2O + H2O =>
5 H2C2O4 + 2 KMnO4 = 10 CO2 + 2 MnO + K2O + 5 H2O
Mg3N2 + H2O = H3N + MgO =>
Mg3N2 + 3 H2O = 2 H3N + 3 MgO
HC5(CO2H)5 + H2O = CH3COOH + CO2 =>
4 HC5(CO2H)5 + 14 H2O = 13 CH3COOH + 14 CO2
U + HBr = UBr4 + H =>
U + 4 HBr = UBr4 + 4 H
Pb(s) + H2O(l) = PbOH + H2(ppt) =>
2 Pb(s) + 2 H2O(l) = 2 PbOH + H2(ppt)
FeCl3(aq) + K2C2O4(aq) + H2O(l) = K3[Fe(C2O4)3]*3H2O(s) + KCl(aq) =>
FeCl3(aq) + 3 K2C2O4(aq) + 3 H2O(l) = K3[Fe(C2O4)3]*3H2O(s) + 3 KCl(aq)
SiCa2 + H2O = Si4 + CaO + H2 =>
4 SiCa2 + 8 H2O = Si4 + 8 CaO + 8 H2
NaC2H3O2(aq) + Pb(NO3)2(aq) = Pb(C2H3O2)2(s) + NaNO3(aq)* =>
2 NaC2H3O2(aq) + Pb(NO3)2(aq) = Pb(C2H3O2)2(s) + 2 NaNO3(aq)*
BaCl2(aq) + Al2(SO4)3(aq) = BaSO4(s) + AlCl3(aq) =>
3 BaCl2(aq) + Al2(SO4)3(aq) = 3 BaSO4(s) + 2 AlCl3(aq)
PBS + PBSO4 = PB + SO2 =>
PBS + PBSO4 = 2 PB + 2 SO2
AlH3PO4 = Al(H3PO4) =>
AlH3PO4 = Al(H3PO4)
Ba + N = Ba3(N2)2 =>
3 Ba + 4 N = Ba3(N2)2
H4P2O7 + Zn(OH)2 = Zn2P2O7 + H2O = =>
H4P2O7 + 2 Zn(OH)2 = Zn2P2O7 + 4 H2O
Al2O3Ba(OH)2 = Ba(AlO2)2H2O =>
Al2O3Ba(OH)2 = Ba(AlO2)2H2O
O2 + N2H = NO + H =>
O2 + N2H = 2 NO + H
Ba(NO3)2 + H2O = Ba(OH)2 + HNO3 =>
Ba(NO3)2 + 2 H2O = Ba(OH)2 + 2 HNO3
CH3COCH2CH3 + MnO4{-} + H{+} = CH3COOH + Mn{2+} + H2O =>
5 CH3COCH2CH3 + 6 MnO4{-} + 18 H{+} = 10 CH3COOH + 6 Mn{2+} + 9 H2O
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = 3 ZnSO4 + Cr2(SO4)3 + K2SO4 + 7 H2O
CuI + Na2S2O3 = CuS2O3 + Na2I =>
CuI + Na2S2O3 = CuS2O3 + Na2I
PBS + PBSO4 = PB + SO2 =>
PBS + PBSO4 = 2 PB + 2 SO2
NH4Cl + K2[HgBr2I2] + KOH = HgO*Hg(NH2)I + KCl + KBr + KI + H2O =>
NH4Cl + 2 K2[HgBr2I2] + 4 KOH = HgO*Hg(NH2)I + KCl + 4 KBr + 3 KI + 3 H2O
{3}nitroacetophenone = {3}aminoacetophenone =>
{3}nitroacetophenone = {3}aminoacetophenone
CH3{-}CH2{-}CH = CH{-}CH3 + H2 =>
CH3{-}CH2{-}CH = CH{-}CH3 + H2
Cl2 + SBr = SCl + Br2 =>
Cl2 + 2 SBr = 2 SCl + Br2
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
CuSO4 + NaOH = Cu(OH)2 + Na{+} + SO4{2-} =>
CuSO4 + 2 NaOH = Cu(OH)2 + 2 Na{+} + SO4{2-}
C6H8O7 + HCO3{-} = C6H5O7{-3} + CO2 + H2O =>
C6H8O7 + 3 HCO3{-} = C6H5O7{-3} + 3 CO2 + 3 H2O
CuCO3(s) + HCl = CuCl2(aq) + H2O(l) + CO2 =>
CuCO3(s) + 2 HCl = CuCl2(aq) + H2O(l) + CO2
HC2H3OO + NaOH = NaC2H3O2 + H2O =>
HC2H3OO + NaOH = NaC2H3O2 + H2O
Fe + Cu(ClO4)2 = Fe(ClO4)2 + Cu =>
Fe + Cu(ClO4)2 = Fe(ClO4)2 + Cu
BaOS = BaSO =>
BaOS = BaSO
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Équations équilibrées sur11/13/24
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