| Équations équilibrées la veille |
2 Al(s) + 6 HBr = 2 AlBr3 + 3 H2
H{+} + (CrO4){-}2 + NO2 = Cr + H2O + NO3 =>
2 H{+} + 2(CrO4){-}2 + 7 NO2 = 2 Cr + H2O + 7 NO3
Cr2O7{-2} + H3O{+} + e = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H3O{+} + 6e = 2 Cr{+3} + 21 H2O
KI + KIO3 + NaOH = I2 + KOH + Na2O =>
5 KI + KIO3 + 6 NaOH = 3 I2 + 6 KOH + 3 Na2O
Pb2N3 = Pb + N2 =>
2 Pb2N3 = 4 Pb + 3 N2
H2 + I2 = HI3 =>
H2 + 3 I2 = 2 HI3
Ba(NO2)2 + (NH4)3PO4 = Ba3(PO4)2 + (NH4)(NO2) =>
3 Ba(NO2)2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6(NH4)(NO2)
BaO2 + KMnO4 = BaMnO4 + KO + O2 =>
2 BaO2 + 2 KMnO4 = 2 BaMnO4 + 2 KO + O2
FeCl2 + Ag3Po4 = Fe3(Po4)2 + AgCl =>
3 FeCl2 + 2 Ag3Po4 = Fe3(Po4)2 + 6 AgCl
TiO2H2O + NH2CONH2 = TiN + NO + C + H2O =>
TiO2H2O + NH2CONH2 = TiN + NO + C + 3 H2O
UO2 = U + O2 =>
UO2 = U + O2
Pb + NaCrO4 + HBr = PbBr2 + NaBr + CrBr3 + H2O =>
2 Pb + NaCrO4 + 8 HBr = 2 PbBr2 + NaBr + CrBr3 + 4 H2O
Cu(s) + HNO3(g) = Cu(NO3) + NO + H2O(g) =>
3 Cu(s) + 4 HNO3(g) = 3 Cu(NO3) + NO + 2 H2O(g)
NaOH + C6H10O4 = C6H8O4Na2 + H2O =>
2 NaOH + C6H10O4 = C6H8O4Na2 + 2 H2O
SnF4 = Sn + F =>
SnF4 = Sn + 4 F
COHO = CHOO =>
COHO = CHOO
CuSO4 + Fe = Fe2O3 + CuS =>
3 CuSO4 + 8 Fe = 4 Fe2O3 + 3 CuS
Mg(OH)2(aq) + H3PO4(ag) = H2O(l) + Mg3(PO4)2(aq) =>
3 Mg(OH)2(aq) + 2 H3PO4(ag) = 6 H2O(l) + Mg3(PO4)2(aq)
HCl + Ca(ClO)2 = HClO + CaCl2 =>
2 HCl + Ca(ClO)2 = 2 HClO + CaCl2
Ag3(PO4) + H = Ag + H3PO4 =>
Ag3(PO4) + 3 H = 3 Ag + H3PO4
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
SnS3 + HC2H3O2 = SnHC2H3O2 + S =>
SnS3 + HC2H3O2 = SnHC2H3O2 + 3 S
K2Cr2O7 + H2SO4 + Fe(NH4)2(SO4) = K2SO4 + Fe2(SO4)3 + (NH4)2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 2 Fe(NH4)2(SO4) = K2SO4 + Fe2(SO4)3 + 2(NH4)2SO4 + Cr2(SO4)3 + 7 H2O
C6H5CHO + Zn + HCl = C6H5CH3 + H2O + ZnCl2 =>
C6H5CHO + 2 Zn + 4 HCl = C6H5CH3 + H2O + 2 ZnCl2
Cu2O + H2S = Cu2S + H2O =>
Cu2O + H2S = Cu2S + H2O
Fe3O4 + F2 = FeF2 + O2 =>
Fe3O4 + 3 F2 = 3 FeF2 + 2 O2
C + O{2} = CO{2] =>
C + O{2} = CO{2]
K + S = KKS =>
2 K + S = KKS
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
NH3VO3 + Na[BH4] + H2O = NH4[VO(OH)3] + B(OH)3 + NaOH =>
4 NH3VO3 + Na[BH4] + 8 H2O = 4 NH4[VO(OH)3] + B(OH)3 + NaOH
Na2HPo4 + H2O = NaOH + H3Po4 =>
Na2HPo4 + 2 H2O = 2 NaOH + H3Po4
HI + Ca(OH)2 = H2O + CaI2 =>
2 HI + Ca(OH)2 = 2 H2O + CaI2
MgI + Br2 = MgBr2 + I2 =>
2 MgI + 2 Br2 = 2 MgBr2 + I2
Al(OH)3 + H2 = Al + H3(OH)2 =>
4 Al(OH)3 + 9 H2 = 4 Al + 6 H3(OH)2
AgClO4 + Li3PO4 = Ag3PO4 + Li3(ClO4)3 =>
3 AgClO4 + Li3PO4 = Ag3PO4 + Li3(ClO4)3
NH3(g) + O2(g) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
Ba(OH)2 + H2O = H3O + BaO2H =>
Ba(OH)2 + H2O = H3O + BaO2H
Zn + CUSO4 = Zn2(SO4)3 + CU =>
2 Zn + 3 CUSO4 = Zn2(SO4)3 + 3 CU
FeO(s) + HClO4(ac) = Fe(ClO4)2(ac) + H2O(l) =>
FeO(s) + 2 HClO4(ac) = Fe(ClO4)2(ac) + H2O(l)
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
AI2(Cr2O7)3 + Na2SO4 = AI2(SO4)3 + Na2Cr2O7 =>
AI2(Cr2O7)3 + 3 Na2SO4 = AI2(SO4)3 + 3 Na2Cr2O7
Na2CrO2 + Na2O2 + H2O = Na2(CrO4) + NaOH =>
Na2CrO2 + 2 Na2O2 + 2 H2O = Na2(CrO4) + 4 NaOH
PbHPO4 + NH4OH = PbOH + NH4HPO4 =>
PbHPO4 + NH4OH = PbOH + NH4HPO4
H(NO3) + KOH = H2O + KNO3 =>
H(NO3) + KOH = H2O + KNO3
Fe{2+} + Cu = Fe + Cu{+} =>
Fe{2+} + 2 Cu = Fe + 2 Cu{+}
Cu(s) + HSO4(aq) = CuSO4(g) + SO2(g) + H2O(l) =>
3 Cu(s) + 4 HSO4(aq) = 3 CuSO4(g) + SO2(g) + 2 H2O(l)
HNO3(s)(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + H2O(l) =>
2 HNO3(s)(aq) + Ca(OH)2(aq) = Ca(NO3)2(aq) + 2 H2O(l)
N2O6Fe + HLiO = HFeO + N2O6Li =>
N2O6Fe + HLiO = HFeO + N2O6Li
HF + KCl = HCl + KF =>
HF + KCl = HCl + KF
HgS + Na2S = Na2[HgS2] =>
HgS + Na2S = Na2[HgS2]
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