Équations équilibrées la veille |
Br + 3 Fe = BrFe3
K2Cr2O7 + NaI + H2O = Cr(OH)3 + KOH + NaOH + I2 =>
K2Cr2O7 + 6 NaI + 7 H2O = 2 Cr(OH)3 + 2 KOH + 6 NaOH + 3 I2
CrO3 + Al = Cr + OAl =>
CrO3 + 3 Al = Cr + 3 OAl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P2S3 + HNO3 = H3P04 + NO + SO2 + H2O =>
2 P2S3 + 7 HNO3 = H3P04 + 7 NO + 6 SO2 + 2 H2O
Na2SO4 + Fe2(SO4)3 + Bi2(SO4)3 + H2O = NaBiO3 + FeS + H2SO4 =>
9 Na2SO4 + 2 Fe2(SO4)3 + 9 Bi2(SO4)3 + 38 H2O = 18 NaBiO3 + 4 FeS + 38 H2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn(C5H7O2) + O2 = ZnO + CO2 + H2O =>
4 Zn(C5H7O2) + 25 O2 = 4 ZnO + 20 CO2 + 14 H2O
BI(OH)2 + Br2 + NaOH = NaBIO2 + NaBr + H2O =>
2 BI(OH)2 + Br2 + 4 NaOH = 2 NaBIO2 + 2 NaBr + 4 H2O
Ca3N2 + HI = CaI2 + NH4I =>
Ca3N2 + 8 HI = 3 CaI2 + 2 NH4I
Na2(SO4) + KI = K2(SO4) + NaI =>
Na2(SO4) + 2 KI = K2(SO4) + 2 NaI
Mg + SnF2 = MgF2 + Sn =>
Mg + SnF2 = MgF2 + Sn
Ca(HCO3)2 + Fe(NO3)2 = Ca(NO3)2 + Fe(HCO3)2 =>
Ca(HCO3)2 + Fe(NO3)2 = Ca(NO3)2 + Fe(HCO3)2
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
AgNO3 + MnSO4 + KOH = K2MnO4 + Ag + KNO3 + K2SO4 + H2O =>
4 AgNO3 + MnSO4 + 8 KOH = K2MnO4 + 4 Ag + 4 KNO3 + K2SO4 + 4 H2O
PbO + K3[Fe(CN)6] + KOH = K4[Fe(CN)6] + PbO2 + H2O =>
PbO + 2 K3[Fe(CN)6] + 2 KOH = 2 K4[Fe(CN)6] + PbO2 + H2O
NaBr + Fe(NO3)3 = FeBr3 + NaNO3 =>
3 NaBr + Fe(NO3)3 = FeBr3 + 3 NaNO3
NaOH + Na2S = Na + (OH)2S =>
2 NaOH + Na2S = 4 Na + (OH)2S
(NH4)2CO3 + NaOH = Na2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
Al(OH)4 + HBr = AlBr4 + H2O =>
Al(OH)4 + 4 HBr = AlBr4 + 4 H2O
(NH4)2CO3 + NaOH = Na2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 NaOH = Na2CO3 + 2 NH3 + 2 H2O
KOH + NO = KNO2 + N2 + H2O =>
4 KOH + 6 NO = 4 KNO2 + N2 + 2 H2O
MgCO3(s) = MgO(s) + CO2(g) =>
MgCO3(s) = MgO(s) + CO2(g)
Al2O3 + H2C2O4*2H2O = Al2(C2O4)3 + H2O =>
Al2O3 + 3 H2C2O4*2H2O = Al2(C2O4)3 + 9 H2O
AgF + MgCl2 = AgCl + MgF2 =>
2 AgF + MgCl2 = 2 AgCl + MgF2
CaSiO2(s) + HF(g) = CaF2(aq) + SiF2(g) + H2O(l) =>
CaSiO2(s) + 4 HF(g) = CaF2(aq) + SiF2(g) + 2 H2O(l)
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CsOH + HF = CsF + H2O =>
CsOH + HF = CsF + H2O
HCI + KBr = HBr + KCI =>
HCI + KBr = HBr + KCI
Ca(OH)2(aq) + HNO3(aq) = Ca(NO3)2(g) + H2O =>
Ca(OH)2(aq) + 2 HNO3(aq) = Ca(NO3)2(g) + 2 H2O
V + HCl + HNO3 = H[VCl4] + NO + H2O =>
V + 4 HCl + HNO3 = H[VCl4] + NO + 2 H2O
FeCu2S2 + O2 = Fe2O3 + SO2 + Cu2O =>
4 FeCu2S2 + 13 O2 = 2 Fe2O3 + 8 SO2 + 4 Cu2O
HCl + K2CrO = H2CrO + KCl =>
2 HCl + K2CrO = H2CrO + 2 KCl
C6H5OH(l) + O2(g) = CO2(g) + H2O(g) =>
C6H5OH(l) + 7 O2(g) = 6 CO2(g) + 3 H2O(g)
KOH + NO = KNO2 + N2 + H2O =>
4 KOH + 6 NO = 4 KNO2 + N2 + 2 H2O
Ca3(PO4)2 + SrI2 = Sr3(PO4)2 + CaI2 =>
Ca3(PO4)2 + 3 SrI2 = Sr3(PO4)2 + 3 CaI2
Al2(Cr2O7) + Li2S2O3 = Al2(S2O3) + Li2Cr2O7 =>
Al2(Cr2O7) + Li2S2O3 = Al2(S2O3) + Li2Cr2O7
K2O + CH3CH2COOH = CH3CH2COOK + H2O =>
K2O + 2 CH3CH2COOH = 2 CH3CH2COOK + H2O
Fe + Ca(PO3)2 = Fe3P + FeO + CaO =>
11 Fe + Ca(PO3)2 = 2 Fe3P + 5 FeO + CaO
Ba(OH)2 + Cu(SO4) = BaSO4 + Cu(OH)2 =>
Ba(OH)2 + Cu(SO4) = BaSO4 + Cu(OH)2
NH4(aq) + NaOH = NOH + H4Na =>
NH4(aq) + NaOH = NOH + H4Na
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2 + P2O4 = PH3 + H2O =>
7 H2 + P2O4 = 2 PH3 + 4 H2O
AgNO3(aq) + KCI(aq) = AgCI(aq) + KNO3(aq) =>
AgNO3(aq) + KCI(aq) = AgCI(aq) + KNO3(aq)
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mn + AgNO2 = Mn(NO2)2 + Ag =>
Mn + 2 AgNO2 = Mn(NO2)2 + 2 Ag
Na2Cr2O7 + CO2 + KNO2 = Cr2O3 + Na2CO3 + KNO3 =>
Na2Cr2O7 + CO2 + 3 KNO2 = Cr2O3 + Na2CO3 + 3 KNO3
FeTiO3 = Fe + Ti + O3 =>
FeTiO3 = Fe + Ti + O3
HCl + Na(OH) = H2O + NaCl =>
HCl + Na(OH) = H2O + NaCl
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
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