| Équations équilibrées la veille |
3 Mg + K2Cr2O7 + 7 H2SO4 = 3 MgSO4 + K2SO4 + Cr2(SO4)3 + 7 H2O
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
H3PO4 + Ba(HCO3)2 = Ba3(PO4)2 + CO2 + H2O =>
2 H3PO4 + 3 Ba(HCO3)2 = Ba3(PO4)2 + 6 CO2 + 6 H2O
Mg + C3H8 = Mg(C3H8)2 =>
Mg + 2 C3H8 = Mg(C3H8)2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Zn(OH)2 + NH4OH = Zn(NH3)4{2+} + OH{-} + H2O =>
Zn(OH)2 + 4 NH4OH = Zn(NH3)4{2+} + 2 OH{-} + 4 H2O
Ba(OH)2 + H3PO3 = Ba(H2PO4)2 + H2 =>
Ba(OH)2 + 2 H3PO3 = Ba(H2PO4)2 + 2 H2
Mg(MnO4)2 + SrCl2 = Sr(MnO4)2 + MgCl2 =>
Mg(MnO4)2 + SrCl2 = Sr(MnO4)2 + MgCl2
Cr(NO3)3 + Na2O = Cr2O3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2O = Cr2O3 + 6 NaNO3
Al3(s) + HCl(l) = AlCl3 + H2(g) =>
2 Al3(s) + 18 HCl(l) = 6 AlCl3 + 9 H2(g)
S + Cl2 + NaOH = NaCl + Na2SO4 + H2O =>
S + 3 Cl2 + 8 NaOH = 6 NaCl + Na2SO4 + 4 H2O
CaCo3 + NaOH = Ca(OH)2 + Na2Co3 =>
CaCo3 + 2 NaOH = Ca(OH)2 + Na2Co3
H2O2 + CrCl3 + KOH = K2CrO4 + KCl + H2O =>
3 H2O2 + 2 CrCl3 + 10 KOH = 2 K2CrO4 + 6 KCl + 8 H2O
CsCl + H2O = Cs(OH) + HCl =>
CsCl + H2O = Cs(OH) + HCl
C8H16 + H2O = C8H18O =>
C8H16 + H2O = C8H18O
H2SnCl4 + CuCl2 = H2SnCl6 + CuCl =>
H2SnCl4 + 2 CuCl2 = H2SnCl6 + 2 CuCl
C6H5COOH + Br2 = C6H4COOHBr + HBr =>
C6H5COOH + Br2 = C6H4COOHBr + HBr
Na2SO3 + KMnO4 + H2SO4 = Na2SO4 + MnSO4 + KHSO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 4 H2SO4 = 5 Na2SO4 + 2 MnSO4 + 2 KHSO4 + 3 H2O
NaOHFe(OH)2 = Fe(OH)3Na =>
NaOHFe(OH)2 = Fe(OH)3Na
H3SbO4 + H2SO4 + HCl = Sb2S5 + HClO3 + H2O =>
6 H3SbO4 + 15 H2SO4 + 20 HCl = 3 Sb2S5 + 20 HClO3 + 24 H2O
C5H10 + KMnO4 + H2SO4 = C2H5COOH + K2SO4 + MnSO4 + H2O =>
3 C5H10 + 4 KMnO4 + 6 H2SO4 = 5 C2H5COOH + 2 K2SO4 + 4 MnSO4 + 6 H2O
MnO2 + O2 + NaOH = Na3MnO4 + H2O =>
4 MnO2 + O2 + 12 NaOH = 4 Na3MnO4 + 6 H2O
Cu(NO3)2 + KI = CuI + K(NO3)2 =>
Cu(NO3)2 + KI = CuI + K(NO3)2
AgCl + Pb(NO3)2 = Ag(NO3) + PbCl2 =>
2 AgCl + Pb(NO3)2 = 2 Ag(NO3) + PbCl2
Na + CH3CH2OH = CH3CH2ONa + H =>
Na + CH3CH2OH = CH3CH2ONa + H
Pb + Fe2{+} = Pb2{+} + Fe =>
2 Pb + Fe2{+} = Pb2{+} + 2 Fe
C66H5CH3 + O2 = CO2 + H2O =>
C66H5CH3 + 69 O2 = 67 CO2 + 4 H2O
CaCN + H2O + O2 = HCN + Ca(OH)2 =>
4 CaCN + 6 H2O + O2 = 4 HCN + 4 Ca(OH)2
H3BO3 + Mg = Mg(H2BO3)2 + H2 =>
2 H3BO3 + Mg = Mg(H2BO3)2 + H2
H4As2O5 = As2O3 + H2O =>
H4As2O5 = As2O3 + 2 H2O
C6H5(CH3)2 + KMnO4 + KOH = C6H5(COOK)3 + K2MnO4 + H2O =>
9 C6H5(CH3)2 + 131 KMnO4 + 155 KOH = 8 C6H5(COOK)3 + 131 K2MnO4 + 107 H2O
Cu2S + O2 = Cu2O + SO2S =>
2 Cu2S + 2 O2 = 2 Cu2O + SO2S
K2Cr2O7 + H2O = H2Cr2O7 + KOH =>
K2Cr2O7 + 2 H2O = H2Cr2O7 + 2 KOH
As + HNO3 = As2O3 + NO + H2O =>
2 As + 2 HNO3 = As2O3 + 2 NO + H2O
C22H11O12 + O2 = CO2 + H2O =>
4 C22H11O12 + 75 O2 = 88 CO2 + 22 H2O
KCl2 + Mg = K + MgCl =>
KCl2 + 2 Mg = K + 2 MgCl
(Co(NO2)6) + H2O = (Co(H2O)6) + NO2 =>
(Co(NO2)6) + 6 H2O = (Co(H2O)6) + 6 NO2
CaCl2(l) = CaCl2(l)Ca(l) + Cl2(g) =>
2 CaCl2(l) = CaCl2(l)Ca(l) + Cl2(g)
Ba(OH)2 + H2SO3 = Ba2(SO3)2 + H2O =>
2 Ba(OH)2 + 2 H2SO3 = Ba2(SO3)2 + 4 H2O
K2Cr2O7 + HCl = CrCl3 + H2O + KCl + O2 =>
2 K2Cr2O7 + 16 HCl = 4 CrCl3 + 8 H2O + 4 KCl + 3 O2
Al(MnO4)3 + Al(ClO)3 + H2O = MnO2 + Al(ClO4)3 + Al(OH)3 =>
2 Al(MnO4)3 + Al(ClO)3 + 3 H2O = 6 MnO2 + Al(ClO4)3 + 2 Al(OH)3
ZnBr2 + Ba(OH)2 = ZnBa + Br(OH) =>
ZnBr2 + Ba(OH)2 = ZnBa + 2 Br(OH)
H2S + Mg(OH)2 = MgS + HOH =>
H2S + Mg(OH)2 = MgS + 2 HOH
CH3COOH + NH3 = CH2NH2COOH + H2 =>
CH3COOH + NH3 = CH2NH2COOH + H2
Ca + HNo3 = CaNo3 + H2 =>
2 Ca + 2 HNo3 = 2 CaNo3 + H2
H2O2 + PBS = PBSO4 + H2O =>
4 H2O2 + PBS = PBSO4 + 4 H2O
CuSO3 + AgNO3 = Cu(NO3)2 + Ag2SO3 =>
CuSO3 + 2 AgNO3 = Cu(NO3)2 + Ag2SO3
HNO3 + K2CrO4 = K2NO3 + HCrO4 =>
HNO3 + K2CrO4 = K2NO3 + HCrO4
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