| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CuO + 2 SO4 + 10 H2O = 2 CuSO4*5H2O + O2
C3H12 + O2 = OHO12 + C =>
C3H12 + 78 O2 = 12 OHO12 + 3 C
Ba(OH2) = Ba + H2O =>
Ba(OH2) = Ba + H2O
H2SeO3 + VCl3 = Se + VO2Cl2 + HCl + H2O =>
3 H2SeO3 + 4 VCl3 = 3 Se + 4 VO2Cl2 + 4 HCl + H2O
AlCl3 + AgNO3 = AgCl + Al(NO3)3 =>
AlCl3 + 3 AgNO3 = 3 AgCl + Al(NO3)3
Ca + N2 = CaN2 =>
Ca + N2 = CaN2
NaOCN + H2S + Cr(BO4)3 = SCN + Na2Cr4 + Na3BO4 + H2O =>
38 NaOCN + 38 H2S + 4 Cr(BO4)3 = 38 SCN + Na2Cr4 + 12 Na3BO4 + 38 H2O
sulfuricacid + potassiumhydrogencarbonate = potassiumsulfate + carbondioxide + water =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 CO2 + 2 H2O
Cu + HBr = HCuBr2 + H2 =>
2 Cu + 4 HBr = 2 HCuBr2 + H2
bariumsulfate + sodiumnitrate = bariumnitrate + sodiumsulfate =>
BaSO4 + 2 NaNO3 = Ba(NO3)2 + Na2SO4
Br + OH = BrO3 + H =>
Br + 3 OH = BrO3 + 3 H
Al2O3 + Ca(OH)2 = CaOHAlO2 + H2O =>
Al2O3 + 2 Ca(OH)2 = 2 CaOHAlO2 + H2O
Li + MgCO3 = Li2CO3 + Mg =>
2 Li + MgCO3 = Li2CO3 + Mg
I2O7 + HCl = I2 + H2O + Cl2 =>
I2O7 + 14 HCl = I2 + 7 H2O + 7 Cl2
SO2 + Cu(OH)2 = CuSO3 + HOH =>
SO2 + Cu(OH)2 = CuSO3 + HOH
Ni(OH)2 + H2SO4 = H2O + NiSO4 =>
Ni(OH)2 + H2SO4 = 2 H2O + NiSO4
BiCl3 + H2S = HCl + Bi2S3 =>
2 BiCl3 + 3 H2S = 6 HCl + Bi2S3
CoF2 + O = CoO + F =>
CoF2 + O = CoO + 2 F
C2H5OH + HCI = C2H5CI + H2O =>
C2H5OH + HCI = C2H5CI + H2O
Cu(CH3COO)2 + H2SO4 = CuSO4 + CH3COOH =>
Cu(CH3COO)2 + H2SO4 = CuSO4 + 2 CH3COOH
C18H35NaO2 + HCl = NaCl + C18H36O2 =>
C18H35NaO2 + HCl = NaCl + C18H36O2
Cr(NO3)3 = Cr + N2 + O3 =>
2 Cr(NO3)3 = 2 Cr + 3 N2 + 6 O3
C2H4Cl2 + H2O = C2H5OH + Cl2 =>
C2H4Cl2 + H2O = C2H5OH + Cl2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
CaS + CuSO4 = Ca(SO4) + CuS =>
CaS + CuSO4 = Ca(SO4) + CuS
ArH{+} + CO = Ar + HCO{+} =>
ArH{+} + CO = Ar + HCO{+}
Cu(NO3)3 + NaS = CuS3 + Na(NO3) =>
Cu(NO3)3 + 3 NaS = CuS3 + 3 Na(NO3)
Cu3{+} + Al = Al{3} + Cu =>
3 Cu3{+} + Al = Al{3} + 9 Cu
Fe + AnswerHCl = AnswerFeCl2 + AnswerH2 =>
Fe + 2 AnswerHCl = AnswerFeCl2 + AnswerH2
KI + H2O2 + H{+} = I2 + H2O + K{+} =>
2 KI + H2O2 + 2 H{+} = I2 + 2 H2O + 2 K{+}
K2[Cr(C2O4)2(H2O)2] + K2S2O8 + H2O = K2Cr2O7 + K2SO4 + H2SO4 + H2C2O4 =>
2 K2[Cr(C2O4)2(H2O)2] + 4 K2S2O8 + 3 H2O = K2Cr2O7 + 5 K2SO4 + 3 H2SO4 + 4 H2C2O4
CuCl2*2H2O + NaI = CuI2 + NaCl + H2O =>
CuCl2*2H2O + 2 NaI = CuI2 + 2 NaCl + 2 H2O
H3PO4 + MgO = OH + Mg3(PO4)2 + H3O =>
4 H3PO4 + 6 MgO = 3 OH + 2 Mg3(PO4)2 + 3 H3O
Ba(HCO3)2 + H2SO4 = BaSO4 + H2(HCO3)2 =>
Ba(HCO3)2 + H2SO4 = BaSO4 + H2(HCO3)2
BaCl2 + CuO = CuCl2 + BaO =>
BaCl2 + CuO = CuCl2 + BaO
CU + HCl = CUCl2 + H2 = cucl2 + al =>
CU + 2 HCl = CUCl2 + H2
Br + OH = BrO3 + H =>
Br + 3 OH = BrO3 + 3 H
HNO3 + As2S = H3AsO4 + S + NO2 + H2O =>
10 HNO3 + As2S = 2 H3AsO4 + S + 10 NO2 + 2 H2O
C4O2H6 + C4O3H6 = C8O3H10 + C2O2H4 =>
2 C4O2H6 + C4O3H6 = C8O3H10 + 2 C2O2H4
Pb(NO3)2 + K2S2O8 + KOH = Pb3O4 + KNO3 + K2SO4 + H2O =>
3 Pb(NO3)2 + K2S2O8 + 8 KOH = Pb3O4 + 6 KNO3 + 2 K2SO4 + 4 H2O
C2H4O2 + NaHCO3 = NaC2H3O2 + H2OCO2 =>
C2H4O2 + NaHCO3 = NaC2H3O2 + H2OCO2
Sc + Ag + Sb = ScAg2Sb21 =>
Sc + 2 Ag + 21 Sb = ScAg2Sb21
KAlSi3O8 + CO2 + H2O = K + SiO2 + Al2Si4O10 + HCO3 =>
2 KAlSi3O8 + 4 CO2 + 2 H2O = 2 K + 2 SiO2 + Al2Si4O10 + 4 HCO3
NO3{-}(aq) + Sn{2+}(aq) + H{+}(aq) = Sn{4+}(aq) + NO(g) + H2O(l) =>
2 NO3{-}(aq) + 3 Sn{2+}(aq) + 8 H{+}(aq) = 3 Sn{4+}(aq) + 2 NO(g) + 4 H2O(l)
H2O + Co = Co2O3 + H =>
3 H2O + 2 Co = Co2O3 + 6 H
PbSO4 + NaHCO3 = PbCO3 + H2SO4 + Na2SO4 =>
2 PbSO4 + 2 NaHCO3 = 2 PbCO3 + H2SO4 + Na2SO4
Sr(OH)2 + Na2SO4 = SrSO4 + NaOH =>
Sr(OH)2 + Na2SO4 = SrSO4 + 2 NaOH
Ba(OH)2 + NH4Cl = BaCl2 + (OH)NH4 =>
Ba(OH)2 + 2 NH4Cl = BaCl2 + 2(OH)NH4
Sn(CO3)2 + H3PO4 = Sn3(PO4)4 + H2CO3 =>
3 Sn(CO3)2 + 4 H3PO4 = Sn3(PO4)4 + 6 H2CO3
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