| Équations équilibrées la veille |
2 C2O2NH4R + 5 O = (NH2)2CO + 3 CO2 + 2 H2O + 2 R
[Fe(H2O)6] + SCN = [Fe(SCN)(H2O)5] + H2O =>
[Fe(H2O)6] + SCN = [Fe(SCN)(H2O)5] + H2O
Ra + X2 = RaX =>
2 Ra + X2 = 2 RaX
Na2SO4 + SiO2 = Na2SiO3 + SO3 =>
Na2SO4 + SiO2 = Na2SiO3 + SO3
C6H12 + KMnO4 + H2SO4 = C6H6(OH)2 + MnSO4 + K2SO4 + H2O =>
5 C6H12 + 8 KMnO4 + 12 H2SO4 = 5 C6H6(OH)2 + 8 MnSO4 + 4 K2SO4 + 22 H2O
O2 + C2H8N2 = CO2 + H2O + N2 =>
4 O2 + C2H8N2 = 2 CO2 + 4 H2O + N2
Zn + Br = ZnBr =>
Zn + Br = ZnBr
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
HCl(aq) + MnO2(g) = MnCl2(aq) + Cl2(g) + H2O(l) =>
4 HCl(aq) + MnO2(g) = MnCl2(aq) + Cl2(g) + 2 H2O(l)
KMnO4 + H2SO4 + HNO2 = K2SO4 + MnSO4 + HNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 HNO2 = K2SO4 + 2 MnSO4 + 5 HNO3 + 3 H2O
K + O2 = K2O2 =>
2 K + O2 = K2O2
Cr(NO3)3 + NaNO3 = CrNa + NO3 =>
Cr(NO3)3 + NaNO3 = CrNa + 4 NO3
MgBr2 + AgNO3 = Mg(NO3)2 + Ag + Br2 =>
MgBr2 + 2 AgNO3 = Mg(NO3)2 + 2 Ag + Br2
ZnO + KOH = K2ZnO2 + H2O =>
ZnO + 2 KOH = K2ZnO2 + H2O
Na2CO3 + Ca(OH)2 = NaOH + CO2 + CaO =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CO2 + CaO
NaCCNa + CH3Cl = CH3CCCH3 + NaCl =>
NaCCNa + 2 CH3Cl = CH3CCCH3 + 2 NaCl
H + Br = HBrH =>
2 H + Br = HBrH
P + H3PO4 = H3PO4P =>
P + H3PO4 = H3PO4P
FeCO3 + Pb(NO3)2 = Fe(NO3)2 + Pb(CO3) =>
FeCO3 + Pb(NO3)2 = Fe(NO3)2 + Pb(CO3)
NaHSO4 = Na2SO4 + SO3 + H2O =>
2 NaHSO4 = Na2SO4 + SO3 + H2O
Al + HNO3 = Al(NO3)3 + NO + H2O =>
Al + 4 HNO3 = Al(NO3)3 + NO + 2 H2O
Ba(OH)2 = BaOH2O =>
Ba(OH)2 = BaOH2O
TiCl4 + Ti = TiCl3 =>
3 TiCl4 + Ti = 4 TiCl3
C4H58O29 + O2 = CO2 + H2O =>
C4H58O29 + 4 O2 = 4 CO2 + 29 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + CaCO3 = Ca(OH)2 + Na2CO3 =>
2 NaOH + CaCO3 = Ca(OH)2 + Na2CO3
H + SO42{-} + Zn = H2O + S{2-} + Zn{2+} =>
168 H + 2 SO42{-} + Zn = 84 H2O + 2 S{2-} + Zn{2+}
NaCrO2 + HCl = NaCl + H2O + CrCl3 =>
NaCrO2 + 4 HCl = NaCl + 2 H2O + CrCl3
IH = I + H2 =>
2 IH = 2 I + H2
Ag + HPO4 = AgPO4 + H2 =>
2 Ag + 2 HPO4 = 2 AgPO4 + H2
Fe{3+} + I2 + H2O = Fe{2+} + IO3{-} + H{+} =>
10 Fe{3+} + I2 + 6 H2O = 10 Fe{2+} + 2 IO3{-} + 12 H{+}
B + KOH = K3 + BO + H2 =>
6 B + 6 KOH = 2 K3 + 6 BO + 3 H2
P + H3PO4 = H3PO4P =>
P + H3PO4 = H3PO4P
FeNO3 + KOH = FeOH + KNO3 =>
FeNO3 + KOH = FeOH + KNO3
NH4NO3 + BaCl2 = NH4Cl2 + BaNO3 =>
NH4NO3 + BaCl2 = NH4Cl2 + BaNO3
NH3 + O2 = N23O + H2O =>
92 NH3 + 71 O2 = 4 N23O + 138 H2O
HF + AlPO4 = HPO4 + AlF =>
HF + AlPO4 = HPO4 + AlF
P4 + Sr(OH)2 + H2O = Sr(H2PO2)2 + PH3 =>
2 P4 + 3 Sr(OH)2 + 6 H2O = 3 Sr(H2PO2)2 + 2 PH3
MnO4{-} + C2O4{2-} + H{+} = Mn{2+} + CO2 + H2O =>
2 MnO4{-} + 5 C2O4{2-} + 16 H{+} = 2 Mn{2+} + 10 CO2 + 8 H2O
BaCO3 + H{+} = Ba{2+} + H2CO3 =>
BaCO3 + 2 H{+} = Ba{2+} + H2CO3
Na2S + Mg3(PO4)2 = Na3(PO4) + MgS =>
3 Na2S + Mg3(PO4)2 = 2 Na3(PO4) + 3 MgS
silicon + chlorine = silicontetrachloride =>
Si + 2 Cl2 = SiCl4
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cu2S + O2 = CuO + SO4 =>
Cu2S + 3 O2 = 2 CuO + SO4
Cr2O7{2-} + Cl{-} + H = Cr{3-} + Cl2 + H2O =>
Cr2O7{2-} + 4 Cl{-} + 14 H = 2 Cr{3-} + 2 Cl2 + 7 H2O
C3H5O9N = CO2 + N2 + O2 + H2O =>
4 C3H5O9N = 12 CO2 + 2 N2 + O2 + 10 H2O
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
H2SO3 + Ca = Ca2SO3 + H2 =>
H2SO3 + 2 Ca = Ca2SO3 + H2
HCl + O2 = Cl2 + H2O =>
4 HCl + O2 = 2 Cl2 + 2 H2O
NaOH(aq) + CuSO4(aq) = NaSO4 + CuOH =>
NaOH(aq) + CuSO4(aq) = NaSO4 + CuOH
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Équations équilibrées sur11/20/24
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