Équations équilibrées la veille |
3 NaNO3 + Cr(OH)3 = Cr(NO3)3 + 3 Na(OH)
KO2 + H2O = KOH + H2O2 =>
2 KO2 + 4 H2O = 2 KOH + 3 H2O2
C2H5Br + C3H7Br + Na = NaBr + C5H12 =>
C2H5Br + C3H7Br + 2 Na = 2 NaBr + C5H12
Ca(OH)2 + H2SO4 = CaSO4 + (OH)2 + H2 =>
Ca(OH)2 + H2SO4 = CaSO4 + (OH)2 + H2
Si + Al = Al4Si3 =>
3 Si + 4 Al = Al4Si3
C2H5CHOHCN + H2O = C2H5CHOHCOOH + NH3 =>
C2H5CHOHCN + 2 H2O = C2H5CHOHCOOH + NH3
Na2O + MgO = Na2Mg + O2 =>
Na2O + MgO = Na2Mg + O2
KClO + HClO3 = HClO + KClO3 =>
KClO + HClO3 = HClO + KClO3
N2O + Al = N2 + Al2O3 =>
3 N2O + 2 Al = 3 N2 + Al2O3
H2S + HCl = H3ClS =>
H2S + HCl = H3ClS
C14H10O2 + C15H14O = C29H20O + OH =>
46 C14H10O2 + 17 C15H14O = 31 C29H20O + 78 OH
HI + KHSO3 = H + KI + SO3 =>
HI + KHSO3 = 2 H + KI + SO3
Sr + NaOH = SrNaOH =>
Sr + NaOH = SrNaOH
Na2S + ZnSO4 = Na2SO4 + ZnS =>
Na2S + ZnSO4 = Na2SO4 + ZnS
B + HNO3 + H2O = H3BO3 + NO =>
B + HNO3 + H2O = H3BO3 + NO
Os + O2 = OsO4 =>
Os + 2 O2 = OsO4
CaCl2 = Cl2 + Ca =>
CaCl2 = Cl2 + Ca
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Na(ClO) + HCl = NaCl + H2O + Cl2 =>
Na(ClO) + 2 HCl = NaCl + H2O + Cl2
(NH4)2HPO4 + KOH = K3PO4 + H2O + NH3 =>
(NH4)2HPO4 + 3 KOH = K3PO4 + 3 H2O + 2 NH3
FeS2 + NO3H = Fe2(SO4)3 + SO4H2 + H2O + NO =>
2 FeS2 + 10 NO3H = Fe2(SO4)3 + SO4H2 + 4 H2O + 10 NO
Fe2 + (SO4)3 + LiOH = Fe(OH)3 + Li2SO4 =>
Fe2 + (SO4)3 + 6 LiOH = 2 Fe(OH)3 + 3 Li2SO4
C2H5CHOHCN + H2O = C2H5CHOHCOOH + NH3 =>
C2H5CHOHCN + 2 H2O = C2H5CHOHCOOH + NH3
KOH + H3PO4 = KH2PO4 + H2O =>
KOH + H3PO4 = KH2PO4 + H2O
N2H4 = N2 + NH3 =>
3 N2H4 = N2 + 4 NH3
H2 + S = H2S =>
H2 + S = H2S
Na2Cr2O7 + NaBr = Br2 + Na2O + Cr =>
Na2Cr2O7 + 12 NaBr = 6 Br2 + 7 Na2O + 2 Cr
Al(NO3)3 + HOH = Al(OH)(NO3)2 + HNO3 =>
Al(NO3)3 + HOH = Al(OH)(NO3)2 + HNO3
Cl(aq) + NaI(aq) = I(aq) + NaCl(aq) =>
Cl(aq) + NaI(aq) = I(aq) + NaCl(aq)
Pb(SCN)2 + K2CrO4 = Pb(CrO4)2 + K2SCN =>
Pb(SCN)2 + 2 K2CrO4 = Pb(CrO4)2 + 2 K2SCN
Cl(g) + NaBr = Br(l) + NaCl(aq) =>
Cl(g) + NaBr = Br(l) + NaCl(aq)
CuF2 + Ag = AgF + Cu =>
CuF2 + 2 Ag = 2 AgF + Cu
MgO + Pb(OH)2 = MgOH + Pb(O)2 =>
2 MgO + Pb(OH)2 = 2 MgOH + Pb(O)2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Ag2O + HClO4 = AgClO4 + H2O =>
Ag2O + 2 HClO4 = 2 AgClO4 + H2O
CU + HCl + O2 = CUCl + H2O =>
4 CU + 4 HCl + O2 = 4 CUCl + 2 H2O
PH3 + Br2 + H2O = H3PO3 + HBr =>
PH3 + 3 Br2 + 3 H2O = H3PO3 + 6 HBr
Zn + Cu2(SO4)2 = Zn2(SO4)2 + Cu =>
2 Zn + Cu2(SO4)2 = Zn2(SO4)2 + 2 Cu
C2H5CHOHCN + H2O = C2H5CHOHCOOH + NH3 =>
C2H5CHOHCN + 2 H2O = C2H5CHOHCOOH + NH3
Cl2 + CH4 = CCl4 + H2 =>
2 Cl2 + CH4 = CCl4 + 2 H2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
BeO + Na2O + H2O = Na2[Be(OH)4] =>
BeO + Na2O + 2 H2O = Na2[Be(OH)4]
Zn(CO3)2 + Na3PO4 = NaCO3 + Zn3(PO4)2 =>
3 Zn(CO3)2 + 2 Na3PO4 = 6 NaCO3 + Zn3(PO4)2
Ag3PO4(s) + HNO3(aq) = AgNO3(aq) + H3PO4(aq) =>
Ag3PO4(s) + 3 HNO3(aq) = 3 AgNO3(aq) + H3PO4(aq)
N2H4 = N2 + NH3 =>
3 N2H4 = N2 + 4 NH3
PbCrO4 + H2SO4 = PbSO4 + H2CrO4 =>
PbCrO4 + H2SO4 = PbSO4 + H2CrO4
Na2SO3(aq) + HCl(l) = NaCl(aq) + H2O(l) + SO2(g) =>
Na2SO3(aq) + 2 HCl(l) = 2 NaCl(aq) + H2O(l) + SO2(g)
N + Na = NNa =>
N + Na = NNa
PbCrO4 + H2SO4 = PbSO4 + H2CrO4 =>
PbCrO4 + H2SO4 = PbSO4 + H2CrO4
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
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