Équations équilibrées la veille |
Ni + SnCl2 = NiCl2 + Sn
Ca(HCO3)2 + Fe = CaCO3 + FeCO3 + H2 =>
Ca(HCO3)2 + Fe = CaCO3 + FeCO3 + H2
K + MgBr = KBr + Mg =>
K + MgBr = KBr + Mg
CrO4{2-} + H2O2 + OH{-} = CrO10{-5} + H2O =>
2 CrO4{2-} + 9 H2O2 + 6 OH{-} = 2 CrO10{-5} + 12 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cr2(SO4)3 + LiOH = Cr(OH)3 + Li2SO4 =>
Cr2(SO4)3 + 6 LiOH = 2 Cr(OH)3 + 3 Li2SO4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Pb(NO3)2 + HCl = HNO3 + PbCl2 =>
Pb(NO3)2 + 2 HCl = 2 HNO3 + PbCl2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(s) + FeCl2(aq) = CaCl2(aq) + Fe(s) =>
Ca(s) + FeCl2(aq) = CaCl2(aq) + Fe(s)
Sn + P4 = Sn3P4 =>
3 Sn + P4 = Sn3P4
Na2Cr2O7 + H2S + H2O = NaOH + S + Cr(OH)3 =>
Na2Cr2O7 + 3 H2S + H2O = 2 NaOH + 3 S + 2 Cr(OH)3
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al(s) + F2(g) = AlF2 =>
Al(s) + F2(g) = AlF2
Al + O2 = AlO =>
2 Al + O2 = 2 AlO
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(s) + FeCl2(aq) = CaCl2(aq) + Fe(s) =>
Ca(s) + FeCl2(aq) = CaCl2(aq) + Fe(s)
Zn(NO3)2 + Li2O = ZnO + LiNO3 =>
Zn(NO3)2 + Li2O = ZnO + 2 LiNO3
Pb(CH3COO)2 + NaOH = Pb(OH)2 + CH3COONa =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 CH3COONa
C5H12 + Br2 = C5H11Br + HBr =>
C5H12 + Br2 = C5H11Br + HBr
Al + H3SO2 = Al2(SO2)2 + H2 =>
2 Al + 2 H3SO2 = Al2(SO2)2 + 3 H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Ni + SnCl2 = Ni2{+} + Cl{-} + Sn =>
4 Ni + SnCl2 = 2 Ni2{+} + 2 Cl{-} + Sn
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Ag2CO3 + CH3COOH = CH3CO2Ag + CO2 + H2O =>
Ag2CO3 + 2 CH3COOH = 2 CH3CO2Ag + CO2 + H2O
C3H8 + Br2 = C3H7 + HBr =>
2 C3H8 + Br2 = 2 C3H7 + 2 HBr
Ca3(PO4)2 + HCl = Ca + H2PO4 + Cl =>
Ca3(PO4)2 + 4 HCl = 3 Ca + 2 H2PO4 + 4 Cl
Al(NO4) + H2O = HNO3 + Al(OH)3 =>
Al(NO4) + 2 H2O = HNO3 + Al(OH)3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
PhCH3 + CH3COONa + H2SO4 = PhCH2COCH3 + Na2SO4 + H2O =>
2 PhCH3 + 2 CH3COONa + H2SO4 = 2 PhCH2COCH3 + Na2SO4 + 2 H2O
C2H4 + C = C7H8 =>
2 C2H4 + 3 C = C7H8
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
SH = S2 + H2 =>
2 SH = S2 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KI + H2SO4 = K2SO4 + HI =>
2 KI + H2SO4 = K2SO4 + 2 HI
NaOH + Mg = Na + Mg(OH)2 =>
2 NaOH + Mg = 2 Na + Mg(OH)2
KMnO4 + NaNO2 + KOH = K2MnO4 + KNO3 + NaOH + H2O =>
2 KMnO4 + NaNO2 + 3 KOH = 2 K2MnO4 + KNO3 + NaOH + H2O
Na2C2O4 + Na2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2C2O4 + Na2Cr2O7 + 7 H2SO4 = 6 CO2 + Cr2(SO4)3 + 4 Na2SO4 + 7 H2O
CaCl2 + Li = CaCl2Li =>
CaCl2 + Li = CaCl2Li
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Na2S2O3 + CuSO4 = CuS2O3 + Na2SO4 =>
Na2S2O3 + CuSO4 = CuS2O3 + Na2SO4
Na3PO4 + KHCO3 = NaHCO3 + K3PO4 =>
Na3PO4 + 3 KHCO3 = 3 NaHCO3 + K3PO4
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