| Équations équilibrées la veille |
Pb + 2 NaF = PbF2 + 2 Na
Cr{3+} + (NH4)2S + H2O = Cr(OH)3 + H2S + NH4{+} =>
2 Cr{3+} + 3(NH4)2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 6 NH4{+}
C17H35COOH + O2 = CO2 + H2O =>
C17H35COOH + 26 O2 = 18 CO2 + 18 H2O
Cd3(PO4)2(aq) + (NH4)2S(aq) = CdS(s) + (NH4)3PO4(aq) =>
Cd3(PO4)2(aq) + 3(NH4)2S(aq) = 3 CdS(s) + 2(NH4)3PO4(aq)
CUCl2 + KI = CUI + KCl + I2 =>
2 CUCl2 + 4 KI = 2 CUI + 4 KCl + I2
H2SO4 + Fe = H2 + Fe2SO4 =>
H2SO4 + 2 Fe = H2 + Fe2SO4
MnO2(c) + HCl(aq) = MnCl2(aq) + Cl2(g) + H2O =>
MnO2(c) + 4 HCl(aq) = MnCl2(aq) + Cl2(g) + 2 H2O
Cu(NO3)2 + NaOH(aq) = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2 + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaNO3(aq)
K + H3PO4 = H2 + K3PO4 =>
6 K + 2 H3PO4 = 3 H2 + 2 K3PO4
Fe + SCN = FeSCN =>
Fe + SCN = FeSCN
Ge + S = GeS2 =>
Ge + 2 S = GeS2
NaBr + Na2S = Na + BrS =>
NaBr + Na2S = 3 Na + BrS
CH2O2 + CaCO3 = CHO2Ca + CO2 + H2O =>
3 CH2O2 + 2 CaCO3 = 2 CHO2Ca + 3 CO2 + 2 H2O
CaC2(s) + H2O(l) = HCCH(g) + CaO(s) =>
CaC2(s) + H2O(l) = HCCH(g) + CaO(s)
MnO2 + SnCl2 + HCl = MnCl2 + SnCl4 + H2O =>
MnO2 + SnCl2 + 4 HCl = MnCl2 + SnCl4 + 2 H2O
Al(S) + F2(g) = AlF3(S) =>
2 Al(S) + 3 F2(g) = 2 AlF3(S)
CaCO3 + H2SO4 = CaSO4 + H2CO3 =>
CaCO3 + H2SO4 = CaSO4 + H2CO3
H3P + Mg(OH)2 = H2O + Mg3P2 =>
2 H3P + 3 Mg(OH)2 = 6 H2O + Mg3P2
Cs + Rb2SO4 = Rb + Cs2SO4 =>
2 Cs + Rb2SO4 = 2 Rb + Cs2SO4
K + Be(NO3)2 = Be + KNO3 =>
2 K + Be(NO3)2 = Be + 2 KNO3
C2H2 + KMnO4 = C2K2O4 + MnO2 + KOH + H2O =>
3 C2H2 + 8 KMnO4 = 3 C2K2O4 + 8 MnO2 + 2 KOH + 2 H2O
CaCl2 + H3PO4 = Ca3(PO4)2 + HCl =>
3 CaCl2 + 2 H3PO4 = Ca3(PO4)2 + 6 HCl
Mo + F2 = MoF6 =>
Mo + 3 F2 = MoF6
H2SO4 + HNO3 = NO3SO4 + H =>
H2SO4 + HNO3 = NO3SO4 + 3 H
P2H4 = PH4 + P4H2 =>
7 P2H4 = 6 PH4 + 2 P4H2
Na2S + CuSO4 = CuS + Na2(SO4) =>
Na2S + CuSO4 = CuS + Na2(SO4)
Ba(NO3)2 + Al2SO4 = BaSO4 + Al2(NO3)2 =>
Ba(NO3)2 + Al2SO4 = BaSO4 + Al2(NO3)2
H[CuCl2] + NH4OH = [Cu(NH3)2]Cl + HCl + H2O =>
H[CuCl2] + 2 NH4OH = [Cu(NH3)2]Cl + HCl + 2 H2O
KOH + NH4Cl = KCl + NH4OH =>
KOH + NH4Cl = KCl + NH4OH
Cu(s) + AgNo3(aq) = Cu(No3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNo3(aq) = Cu(No3)2(aq) + 2 Ag(s)
Al(s) + S(s) = Al3S2(s) =>
3 Al(s) + 2 S(s) = Al3S2(s)
Cl2 + IK = I + KCl =>
Cl2 + 2 IK = 2 I + 2 KCl
Ca + HCO3 + NaOH = Na2CO3 + CaCO3 + H2O =>
Ca + 2 HCO3 + 2 NaOH = Na2CO3 + CaCO3 + 2 H2O
Zn + HCl = Zn5Cl18 + H2 =>
5 Zn + 18 HCl = Zn5Cl18 + 9 H2
Li2SO4 + Al = Li + Al2(SO4)3 =>
3 Li2SO4 + 2 Al = 6 Li + Al2(SO4)3
K2(Cu(CN)4) + Zn = K + Zn(Cu(CN)4) =>
K2(Cu(CN)4) + Zn = 2 K + Zn(Cu(CN)4)
BaCl2(aq) + CuSO4(aq) = Ba2SO4(aq) + Cl(aq) + Cu(aq) =>
2 BaCl2(aq) + CuSO4(aq) = Ba2SO4(aq) + 4 Cl(aq) + Cu(aq)
Q4O10 + H2O = H3QO4 =>
Q4O10 + 6 H2O = 4 H3QO4
As + H2O = As2O3 + H2 =>
2 As + 3 H2O = As2O3 + 3 H2
Cr2(SO4)3 + H2O = Cr2O3 + H2SO4 =>
Cr2(SO4)3 + 3 H2O = Cr2O3 + 3 H2SO4
NH3*H2O + H2SO4 = (NH4)2SO4 + H2O =>
2 NH3*H2O + H2SO4 = (NH4)2SO4 + 2 H2O
FeSO4 + KClO3 = FeClO3 + KSO4 =>
FeSO4 + KClO3 = FeClO3 + KSO4
BaH2 + Cl2O = BaCl2 + H2O =>
BaH2 + Cl2O = BaCl2 + H2O
Al + CuSO4 = AlSO4 + Cu4 =>
4 Al + 4 CuSO4 = 4 AlSO4 + Cu4
Mo + F2 = MoF6 =>
Mo + 3 F2 = MoF6
[Fe(H2O)5OH]{2+} + NCS{-} = [Fe(H2O)5NCS]{2+} + OH{-} =>
[Fe(H2O)5OH]{2+} + NCS{-} = [Fe(H2O)5NCS]{2+} + OH{-}
KClO3 + H2SO3 = H2SO4 + KHSO4 + Cl2 + H2O =>
2 KClO3 + 5 H2SO3 = 3 H2SO4 + 2 KHSO4 + Cl2 + H2O
(CH3CO)2O + H2O = CH3COOH =>
(CH3CO)2O + H2O = 2 CH3COOH
Mo + F2 = MoF6 =>
Mo + 3 F2 = MoF6
HF + K = HFK =>
HF + K = HFK
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Équations équilibrées sur10/15/24
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