Équations équilibrées la veille |
2 H2 + O2 = 2 H2O
MnO2 + Sn(OH)4 = Mn(OH)2 + Sn(O2)2 =>
2 MnO2 + Sn(OH)4 = 2 Mn(OH)2 + Sn(O2)2
Fe2O4 + H2 = Fe + H2O =>
Fe2O4 + 4 H2 = 2 Fe + 4 H2O
MnO2 + SO2 = MnO3 + S =>
2 MnO2 + SO2 = 2 MnO3 + S
NaBr + Ca(OH)2 = CaBr2 + NaOH =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
Li(s) + O2 = Li2O =>
4 Li(s) + O2 = 2 Li2O
HPO + BaCl = HCl + BaPO =>
HPO + BaCl = HCl + BaPO
NH4 + BaOH2 = NH4OH2 + Ba =>
NH4 + BaOH2 = NH4OH2 + Ba
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
MgCl2 + CaNO3 = MgNO3 + CaCl2 =>
MgCl2 + CaNO3 = MgNO3 + CaCl2
Na2CrO4 + S + H2O = Na2S2O3 + Cr(OH)3 + NaOH =>
4 Na2CrO4 + 6 S + 7 H2O = 3 Na2S2O3 + 4 Cr(OH)3 + 2 NaOH
ZnSO4 + HNO3 = H2SO4 + Zn(NO3)2 =>
ZnSO4 + 2 HNO3 = H2SO4 + Zn(NO3)2
Mg2(CO3)2 + HNO3 = H2O + CO2 + Mg(NO3)2 =>
Mg2(CO3)2 + 4 HNO3 = 2 H2O + 2 CO2 + 2 Mg(NO3)2
Li(s) + FeBr2(aq) = LiBr(aq) + Fe(s) =>
2 Li(s) + FeBr2(aq) = 2 LiBr(aq) + Fe(s)
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
SO2 + KO = KSO3 =>
SO2 + KO = KSO3
F2 + NaBr = NaF + Br2 =>
F2 + 2 NaBr = 2 NaF + Br2
Hg(NO3)2 + Na2CrO4 = HgCrO4 + Na2(NO3)2 =>
Hg(NO3)2 + Na2CrO4 = HgCrO4 + Na2(NO3)2
PbSO3 = PbSO4 + PbS =>
4 PbSO3 = 3 PbSO4 + PbS
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
CaCO3(s) + HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g)
NiCl2 + H2SO3 = HCl + NiSO3 =>
NiCl2 + H2SO3 = 2 HCl + NiSO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ga(S) + As(s) = GaAs(S) =>
Ga(S) + As(s) = GaAs(S)
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Na2CrO4 = Na2O + Cr2O3 + O2 =>
4 Na2CrO4 = 4 Na2O + 2 Cr2O3 + 3 O2
Pb(s) + S(s) = PbS(s) =>
Pb(s) + S(s) = PbS(s)
AgNO3(aq) + Pb(NO3)2(aq) = Ag(NO3)2(aq) + PbNO3(aq) =>
AgNO3(aq) + Pb(NO3)2(aq) = Ag(NO3)2(aq) + PbNO3(aq)
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
FeO + Zn(NO3)2 = ZnO + Fe(NO3)3 + NO =>
3 FeO + 5 Zn(NO3)2 = 5 ZnO + 3 Fe(NO3)3 + NO
KBr + H2SO4 = HBr + KHSO4 =>
KBr + H2SO4 = HBr + KHSO4
Pb(NO3)2 + K2SO4 = PbSO4 + (NO3)2K2 =>
Pb(NO3)2 + K2SO4 = PbSO4 + (NO3)2K2
FeS + H2O = H2S + FeO =>
FeS + H2O = H2S + FeO
Fe(lll) + CuSO4 = Fe2(SO4)3 + Cu =>
2 Fe(lll) + 3 CuSO4 = Fe2(SO4)3 + 3 Cu
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
H2S + NaIO3 = I2 + Na2SO4 + H2SO4 + H2O =>
5 H2S + 8 NaIO3 = 4 I2 + 4 Na2SO4 + H2SO4 + 4 H2O
CdCl2 + (NH4)2S = CdS + (NH4)2Cl2 =>
CdCl2 + (NH4)2S = CdS + (NH4)2Cl2
KMnO4 + MnSO4 = KMnSO4 + MnO4 =>
KMnO4 + MnSO4 = KMnSO4 + MnO4
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
Mg(NO3)2 + Na2CrO4 = Mg(CrO4) + NaNO3 =>
Mg(NO3)2 + Na2CrO4 = Mg(CrO4) + 2 NaNO3
C3H8Br2 + NaOH = NaBr + H2O + C3H6 =>
C3H8Br2 + 2 NaOH = 2 NaBr + 2 H2O + C3H6
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Rb + LiBr = RbBr + Li =>
Rb + LiBr = RbBr + Li
NaCIO = NaCI + NaCIO3 =>
3 NaCIO = 2 NaCI + NaCIO3
C2H5OC2H5 + O2 = CO2 + H2O =>
C2H5OC2H5 + 6 O2 = 4 CO2 + 5 H2O
Fe(s) + ZnCl2(aq) = FeCl2 + Zn =>
Fe(s) + ZnCl2(aq) = FeCl2 + Zn
H2C2O4 + Zn = ZnC2O4 + H2 =>
H2C2O4 + Zn = ZnC2O4 + H2
AgNO3 + I2 + H2O = AgIO3 + HNO3 + AgI =>
6 AgNO3 + 3 I2 + 3 H2O = AgIO3 + 6 HNO3 + 5 AgI
LeadNitrate + BariumChloride = LeadChloride + BariumNitrate =>
LeadNitrate + BariumChloride = LeadChloride + BariumNitrate
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