| Équations équilibrées la veille |
2 HBO2 + Cu(OH)2 = Cu(BO2)2 + 2 H2O
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
Zn(OH)2 + NaOH = Na2[Zn(OH)4] =>
Zn(OH)2 + 2 NaOH = Na2[Zn(OH)4]
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
Cl{-} + H{+} + MnO4{-} = Cl2 + MnO2 + H2O =>
6 Cl{-} + 8 H{+} + 2 MnO4{-} = 3 Cl2 + 2 MnO2 + 4 H2O
CaOH2HCl = CaOH3Cl =>
CaOH2HCl = CaOH3Cl
Si + HNO3 = SiNO3 + H2O + NO =>
3 Si + 4 HNO3 = 3 SiNO3 + 2 H2O + NO
Cd + H3PO4 = Cd(PO4)2 + H2 =>
Cd + 2 H3PO4 = Cd(PO4)2 + 3 H2
Ba + O = BaO2 =>
Ba + 2 O = BaO2
Ca3(PO4)2(aq) + SiO2(s) + C(s) = CaSiO4(aq) + CO(g) + P4(s) =>
2 Ca3(PO4)2(aq) + 6 SiO2(s) + 4 C(s) = 6 CaSiO4(aq) + 4 CO(g) + P4(s)
Fe(SO4)KOH = K(SO4)FeOH =>
Fe(SO4)KOH = K(SO4)FeOH
Hg2CO3 + HCl = HgCl + CO2 + H2O =>
Hg2CO3 + 2 HCl = 2 HgCl + CO2 + H2O
Ca(OH)2 + Pb = Pb(OH)4 + Ca =>
2 Ca(OH)2 + Pb = Pb(OH)4 + 2 Ca
NH3 + CuSO4 + H2O = [Cu(NH3)4H2O]SO4 =>
4 NH3 + CuSO4 + H2O = [Cu(NH3)4H2O]SO4
Cr2(SO4)3 + KCO3 = Cr(CO3)3 + K2SO4 =>
Cr2(SO4)3 + 6 KCO3 = 2 Cr(CO3)3 + 3 K2SO4
CH3OH + CuO = H2CO + Cu + H2O =>
CH3OH + CuO = H2CO + Cu + H2O
Ca(NO2)2 + HNO3 = Ca(NO3)2 + HNO2 =>
Ca(NO2)2 + 2 HNO3 = Ca(NO3)2 + 2 HNO2
C2H6 + HBr = CH4 + CH3Br =>
C2H6 + HBr = CH4 + CH3Br
Ag + HNO3 = AgNO3 + NO + *2H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + *2H2O
ZrO + HCl = ZrCl + HO =>
ZrO + HCl = ZrCl + HO
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
CuO + O = Cu2O5 =>
2 CuO + 3 O = Cu2O5
CuSO{4+} + Zn = Cu + ZnSO{4+} =>
CuSO{4+} + Zn = Cu + ZnSO{4+}
H + NaBr = HBr + Na =>
H + NaBr = HBr + Na
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Na[Cr(OH)]4 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Na[Cr(OH)]4 + 21 H2O2 + 14 NaOH = 8 Na2CrO4 + 32 H2O
PCI3 = C + PI3 =>
PCI3 = C + PI3
PbSO3 + H2O2 = PbSO4 + H2O =>
PbSO3 + H2O2 = PbSO4 + H2O
Cr + H3PO4 = CrPO4 + H2 =>
2 Cr + 2 H3PO4 = 2 CrPO4 + 3 H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cu(OH)2 = H2O + Cu(O) =>
Cu(OH)2 = H2O + Cu(O)
Al2(SO4)3 + CuS = Al2S3 + CuSO4 =>
Al2(SO4)3 + 3 CuS = Al2S3 + 3 CuSO4
H2O + IO3{-} + S2O5{-2} = I2 + SO4{-2} + H{+} =>
3 H2O + 4 IO3{-} + 5 S2O5{-2} = 2 I2 + 10 SO4{-2} + 6 H{+}
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
Al2O3(s) + H2O(l) = Al(OH)3(ac) =>
Al2O3(s) + 3 H2O(l) = 2 Al(OH)3(ac)
SO2 + CaO(s) = CaSO3 =>
SO2 + CaO(s) = CaSO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
PbS + HNO3 = Pb(NO3)2 + S + NO2 + H2O =>
PbS + 4 HNO3 = Pb(NO3)2 + S + 2 NO2 + 2 H2O
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
K2S + O = K2O + SO2 =>
K2S + 3 O = K2O + SO2
C5H12 = C5H8 + H2 =>
C5H12 = C5H8 + 2 H2
Pb + Ca(OH)2 = Pb(OH)2 + Ca =>
Pb + Ca(OH)2 = Pb(OH)2 + Ca
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
SO2 + CaO(s) = CaSO3 =>
SO2 + CaO(s) = CaSO3
Ag2CrO7 = Ag + CrO7 =>
Ag2CrO7 = 2 Ag + CrO7
K3[Fe(C2O4)3] + H2SO4 = Fe2(SO4)3 + K2SO4 + H2C2O4 =>
2 K3[Fe(C2O4)3] + 6 H2SO4 = Fe2(SO4)3 + 3 K2SO4 + 6 H2C2O4
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(l) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(l)
C5H12 = C + H =>
C5H12 = 5 C + 12 H
C5H12 = C + H2 =>
C5H12 = 5 C + 6 H2
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