| Équations équilibrées la veille |
3 H2CO3 + Cr2O3 = Cr2(CO3)3 + 3 H2O
Pb(CH3CO2) + NaBr = PbBr + NaCH3CO2 =>
Pb(CH3CO2) + NaBr = PbBr + NaCH3CO2
KI + HClO4 = KClO4 + HI =>
KI + HClO4 = KClO4 + HI
NH3(g) + HNO3 = NH4NO3 =>
NH3(g) + HNO3 = NH4NO3
NaOH2O = Na(OH)2 =>
NaOH2O = Na(OH)2
NH3 + CuCl = Cu(NH3)4 + Cl =>
4 NH3 + CuCl = Cu(NH3)4 + Cl
PbCl3 + Na2O = Pb2O3 + NaCl =>
2 PbCl3 + 3 Na2O = Pb2O3 + 6 NaCl
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
NaOH + H3PO3 = Na3PO4 + H2O + H =>
3 NaOH + H3PO3 = Na3PO4 + 2 H2O + 2 H
FeBr2 + H2O = FeOHBr + HBr =>
FeBr2 + H2O = FeOHBr + HBr
K2HPO3 + KMnO4 + H2SO4 = H3PO4 + MnSO4 + H2O + K2SO4 =>
5 K2HPO3 + 2 KMnO4 + 8 H2SO4 = 5 H3PO4 + 2 MnSO4 + 3 H2O + 6 K2SO4
H2SO4 + NH3 = NH3(SO4) + S + H2O =>
4 H2SO4 + 3 NH3 = 3 NH3(SO4) + S + 4 H2O
Y(NO3)3 + Na2S2O3 + NaOH = Y2O2S + NaSO4 + H2O + NaNO3 =>
20 Y(NO3)3 + 9 Na2S2O3 + 50 NaOH = 10 Y2O2S + 8 NaSO4 + 25 H2O + 60 NaNO3
HNO3 + HCl + SnCl2 = N2O + H2O + SnCl4 =>
2 HNO3 + 8 HCl + 4 SnCl2 = N2O + 5 H2O + 4 SnCl4
CH3CH2OH + KMnO4 + H2SO4 = HCHO + MnSO4 + K2SO4 + H2O =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 10 HCHO + 4 MnSO4 + 2 K2SO4 + 11 H2O
Pb(s) + AgNO3(aq) = PbNO3(aq) + Ag(s) =>
Pb(s) + AgNO3(aq) = PbNO3(aq) + Ag(s)
NO + Cl2 = NOCl =>
2 NO + Cl2 = 2 NOCl
[Cu(NH3)4](OH)2 + H2SO4 = Cu[NH3]4SO4 + H2O =>
[Cu(NH3)4](OH)2 + H2SO4 = Cu[NH3]4SO4 + 2 H2O
Cr + ClO3 = ClO2 + Cr2O7 =>
2 Cr + 7 ClO3 = 7 ClO2 + Cr2O7
Al + MnO4{-} + H2O = MnO2 + Al(OH)4{-} =>
Al + MnO4{-} + 2 H2O = MnO2 + Al(OH)4{-}
(NH4)3N(aq) + Pb(ClO3)2(aq) = NH4ClO3(aq) + Pb3N2(s) =>
2(NH4)3N(aq) + 3 Pb(ClO3)2(aq) = 6 NH4ClO3(aq) + Pb3N2(s)
CCl4 + I = ICl + C =>
CCl4 + 4 I = 4 ICl + C
HBr + K2SO3 = H2O + KBr + SO2 =>
2 HBr + K2SO3 = H2O + 2 KBr + SO2
K3[Fe(C2O4)3]3H2O + O2 = H2O + CO2 + Fe2O3 + K2O =>
2 K3[Fe(C2O4)3]3H2O + 6 O2 = 2 H2O + 36 CO2 + 3 Fe2O3 + 3 K2O
B3H6N3 + H2O = NH3 + H2 + H3BO3 =>
B3H6N3 + 9 H2O = 3 NH3 + 3 H2 + 3 H3BO3
*H2 + *Br2 = *HBr =>
*H2 + *Br2 = 2*HBr
NO3 + K3PO4 = PO4 + KNO3 =>
3 NO3 + K3PO4 = PO4 + 3 KNO3
Mg + NaOH = H2 + MgO + Na =>
2 Mg + 2 NaOH = H2 + 2 MgO + 2 Na
CaCO3 + NH4OH = Ca(OH)2 + NH3 + CO2 =>
CaCO3 + NH4OH = Ca(OH)2 + NH3 + CO2
Hg(NO3)2 + HgCl2 = Hg + Cl2(NO3)2 =>
Hg(NO3)2 + HgCl2 = 2 Hg + Cl2(NO3)2
HF + Rb(OH) = RbF + H2O =>
HF + Rb(OH) = RbF + H2O
Ba(NO3)2 + H2(SO4) = Ba(SO4) + H2(NO3)2 =>
Ba(NO3)2 + H2(SO4) = Ba(SO4) + H2(NO3)2
Zn + H2SO4 = ZnO + H2O + S =>
3 Zn + H2SO4 = 3 ZnO + H2O + S
C6H12 + NaMnO4 + H2SO4 = C6H10O4 + Na2SO4 + MnSO4 + H2O =>
C6H12 + 2 NaMnO4 + 3 H2SO4 = C6H10O4 + Na2SO4 + 2 MnSO4 + 4 H2O
K2CrO4(aq) + CuCl2(aq) = KCl(aq) + CuCrO4 =>
K2CrO4(aq) + CuCl2(aq) = 2 KCl(aq) + CuCrO4
Ca(s) + H(g) = H2Ca =>
Ca(s) + 2 H(g) = H2Ca
Al3 + HNO3(aq) = Al3NO3 + H2 =>
2 Al3 + 2 HNO3(aq) = 2 Al3NO3 + H2
K + AlCl2 = KCl2 + Al =>
K + AlCl2 = KCl2 + Al
U6Rb2 + O2 = U + RbO =>
U6Rb2 + O2 = 6 U + 2 RbO
C2H5O = HO + C2H4 =>
C2H5O = HO + C2H4
PBSO4 = PBSO3 + O3 =>
3 PBSO4 = 3 PBSO3 + O3
P(s) + NO3{-} + H{+} + H2O = H2PO4{-} + NO =>
3 P(s) + 5 NO3{-} + 2 H{+} + 2 H2O = 3 H2PO4{-} + 5 NO
H2O + CaFCa4(PO4)3 + H2SO4 = CaH4(PO4)2*H2O + CaSO4 + HF =>
3 H2O + 2 CaFCa4(PO4)3 + 7 H2SO4 = 3 CaH4(PO4)2*H2O + 7 CaSO4 + 2 HF
C5H8 + K2Cr2O7 + H2SO4 = C5H + K2SO4 + Cr2(SO4)3 + H2O =>
6 C5H8 + 7 K2Cr2O7 + 28 H2SO4 = 6 C5H + 7 K2SO4 + 7 Cr2(SO4)3 + 49 H2O
Cu(NO3) + Fe(CrO4) = Cu(CrO4) + Fe(NO3) =>
Cu(NO3) + Fe(CrO4) = Cu(CrO4) + Fe(NO3)
CaS + Cl2 = CaCl5 + SCl2 =>
2 CaS + 7 Cl2 = 2 CaCl5 + 2 SCl2
Mg + CH3COOH = Mg(CCOO) + H2 =>
Mg + CH3COOH = Mg(CCOO) + 2 H2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NaCl + YCl3 + ZrCl4 = Na18Y2Zr6Cl48 =>
18 NaCl + 2 YCl3 + 6 ZrCl4 = Na18Y2Zr6Cl48
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
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Équations équilibrées sur01/27/25
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