| Équations équilibrées la veille |
C6H3CH3 + K2Cr2O7 + 4 H2SO4 = C6H3COOH + Cr2(SO4)3 + K2SO4 + 5 H2O
As + S = As2S7 =>
2 As + 7 S = As2S7
Al + Cu(SO4)2 = Al2(SO4) + Cu =>
4 Al + Cu(SO4)2 = 2 Al2(SO4) + Cu
Mg + C3H7COOH = Mg(C3H7COO)2 + H2 =>
Mg + 2 C3H7COOH = Mg(C3H7COO)2 + H2
FeS + O = FeSO4 =>
FeS + 4 O = FeSO4
Cr2O3 + Na2CO3 = Na2Cr4O7 + CO2 =>
2 Cr2O3 + Na2CO3 = Na2Cr4O7 + CO2
NaHCO3(s) = Na2CO3(s) + CO2(s)H2O(l) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(s)H2O(l)
C2H5NO2 + H2O = CO2 + NH3 + H2 =>
C2H5NO2 + 2 H2O = 2 CO2 + NH3 + 3 H2
CuSO4 + NH4 = Cu + (NH4)2SO4 =>
CuSO4 + 2 NH4 = Cu + (NH4)2SO4
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
KF + MnCl2 = KMnF3 + KCl =>
3 KF + MnCl2 = KMnF3 + 2 KCl
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
SiCl4 + NaOH = H2SiO3 + NaCl + H2O =>
SiCl4 + 4 NaOH = H2SiO3 + 4 NaCl + H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
AgBr + Na2S2O3 = Na3Ag(S2O3)2 + NaBr =>
AgBr + 2 Na2S2O3 = Na3Ag(S2O3)2 + NaBr
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Cr(OH)3 + NaClO = NaCl + CrO3 + H2O =>
2 Cr(OH)3 + 3 NaClO = 3 NaCl + 2 CrO3 + 3 H2O
NaBH4 + CH3OH = H2 + NaB(OCH2)4 =>
NaBH4 + 4 CH3OH = 6 H2 + NaB(OCH2)4
Ba(ClO4)2(aq) + Na3BO3(aq) = Ba3(BO3)2(s) + NaClO4(aq) =>
3 Ba(ClO4)2(aq) + 2 Na3BO3(aq) = Ba3(BO3)2(s) + 6 NaClO4(aq)
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
Fe + (SO4)3 + BaCl2 = FeCl3 + BaSO4 =>
2 Fe + (SO4)3 + 3 BaCl2 = 2 FeCl3 + 3 BaSO4
Cu(OH)2 + NH4F = Cu(NH3)4F2 + CuF2 + H2O =>
2 Cu(OH)2 + 4 NH4F = Cu(NH3)4F2 + CuF2 + 4 H2O
Ni + NaHCH3C(NOH)C(NOH)CH3 = Ni[NaHCH3C(NOH)C(NOH)CH3]2 =>
Ni + 2 NaHCH3C(NOH)C(NOH)CH3 = Ni[NaHCH3C(NOH)C(NOH)CH3]2
LiNO3 + ZrO2 = Li2ZrO4 + NO2 =>
2 LiNO3 + ZrO2 = Li2ZrO4 + 2 NO2
N2O(g) + O2(g) = N2O4(s) =>
2 N2O(g) + 3 O2(g) = 2 N2O4(s)
KMnO4 + NaOH + Na2SO3 = NaMnO2 + Na2SO4 + KOH =>
KMnO4 + NaOH + 2 Na2SO3 = NaMnO2 + 2 Na2SO4 + KOH
Cr2O7{-2} + C3H6O + H{+} = Cr{+3} + H2O + C2H5COOH =>
Cr2O7{-2} + 3 C3H6O + 8 H{+} = 2 Cr{+3} + 4 H2O + 3 C2H5COOH
H2O2 + Hg(NO3)2 = O2 + Hg2(NO3)2 + HNO3 =>
H2O2 + 2 Hg(NO3)2 = O2 + Hg2(NO3)2 + 2 HNO3
KH + I = K2I + H2 =>
2 KH + I = K2I + H2
Ca(OH)2 + H2CrO4 = CaCrO4 + H2O =>
Ca(OH)2 + H2CrO4 = CaCrO4 + 2 H2O
BaO(s) + CO2(g) = BaCO3 =>
BaO(s) + CO2(g) = BaCO3
In + O = InO16 =>
In + 16 O = InO16
H1 + N2 + O2 = HNO3 =>
2 H1 + N2 + 3 O2 = 2 HNO3
CaCl2 + K2CO3 = CaCO3 + K2Cl2 =>
CaCl2 + K2CO3 = CaCO3 + K2Cl2
K + HCl = KCl + H =>
K + HCl = KCl + H
Al2O3 + N2O3 = Al2N2O6 =>
Al2O3 + N2O3 = Al2N2O6
N2O6Pb + KBr = N2O6Br + KPb =>
N2O6Pb + KBr = N2O6Br + KPb
CrCl2 + HCl + H2O2 = CrCl3 + H2O =>
2 CrCl2 + 2 HCl + H2O2 = 2 CrCl3 + 2 H2O
NO + Ba(OH)2 = N2 + Ba(NO3)2 + H2O =>
10 NO + 2 Ba(OH)2 = 3 N2 + 2 Ba(NO3)2 + 2 H2O
(NH4)2S(aq) + HCl(aq) = NH4Cl(s) + H2S(aq) =>
(NH4)2S(aq) + 2 HCl(aq) = 2 NH4Cl(s) + H2S(aq)
Cl2 + KOH = KClO3 + KCl + H2O =>
3 Cl2 + 6 KOH = KClO3 + 5 KCl + 3 H2O
CrCl3 + Na2CO3 + KNO3 = Na2CrO4 + NaCl + KNO2 + CO2 =>
2 CrCl3 + 5 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 6 NaCl + 3 KNO2 + 5 CO2
Fe + H2O + O2 = Fe2O33(H2O) =>
4 Fe + 2 H2O + 33 O2 = 2 Fe2O33(H2O)
Cu + K2CrO4 = Cu2(CrO4)2 + K =>
2 Cu + 2 K2CrO4 = Cu2(CrO4)2 + 4 K
PCl5 + S = SCl + P =>
PCl5 + 5 S = 5 SCl + P
Br + Sn = Br{-} + Sn{4+} =>
4 Br + Sn = 4 Br{-} + Sn{4+}
(CH3)2CHOH + O2 = CO2 + H2O =>
2(CH3)2CHOH + 9 O2 = 6 CO2 + 8 H2O
CO2(g) + H2O(g) = C6H10O5(s) + O2(g) =>
6 CO2(g) + 5 H2O(g) = C6H10O5(s) + 6 O2(g)
Mg(s) + H2SO4(aq) = MgSO4(g) + H2 =>
Mg(s) + H2SO4(aq) = MgSO4(g) + H2
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