Équations équilibrées la veille |
103 Br2 + 2 S2O32{-} + 104 H2O = 206 Br1{-} + 4 SO42{-} + 208 H{+}
HNO3 + Pb(CH3COO)2 = CH3COOH + Pb(NO3)2 =>
2 HNO3 + Pb(CH3COO)2 = 2 CH3COOH + Pb(NO3)2
HCl + NO2 = H2O + NO + Cl2 =>
2 HCl + NO2 = H2O + NO + Cl2
HL + H2SO4 = SO2 + L2 + H2O =>
2 HL + H2SO4 = SO2 + L2 + 2 H2O
CaCO3(aq) + HCl(l) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(aq) + 2 HCl(l) = H2O(l) + CO2(g) + CaCl2(aq)
CHNaO3 = NaOH + CO2 =>
CHNaO3 = NaOH + CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
B(OH)3 + CH4N2O = BN + CO2 + H2O =>
2 B(OH)3 + CH4N2O = 2 BN + CO2 + 5 H2O
C3H6OH + H2 = C3H7 + H2O =>
C3H6OH + H2 = C3H7 + H2O
CeSO4 + Fe = Ce + Fe2(SO4)3 =>
3 CeSO4 + 2 Fe = 3 Ce + Fe2(SO4)3
H2CO3 + RbOH = RbHCO3 + H2O =>
H2CO3 + RbOH = RbHCO3 + H2O
NaCl3 + F2 = NaF + Cl2 =>
2 NaCl3 + F2 = 2 NaF + 3 Cl2
Cu + SO3 + H2O = CuSO4 + H2 =>
Cu + SO3 + H2O = CuSO4 + H2
Fe3O4 + CO = FeO + CO2 =>
Fe3O4 + CO = 3 FeO + CO2
(NH4)2HPO4H3PO4 = (NH4)H2PO4 =>
(NH4)2HPO4H3PO4 = 2(NH4)H2PO4
C9H11NO + O2 = CO2 + H2O + N =>
4 C9H11NO + 45 O2 = 36 CO2 + 22 H2O + 4 N
N2H4 + N2O4 = NO + H2O =>
N2H4 + 2 N2O4 = 6 NO + 2 H2O
KCl + H2O = HCl + KOH =>
KCl + H2O = HCl + KOH
C2H5OH + *KOH = C2H3O2K + H2 =>
C2H5OH + *KOH = C2H3O2K + 2 H2
AgI + Fe2(CO3)3 = Ag2CO3 + FeI3 =>
6 AgI + Fe2(CO3)3 = 3 Ag2CO3 + 2 FeI3
KS = K + S =>
KS = K + S
Pb(NO3)2 + Li2S = PbS + Li(NO3) =>
Pb(NO3)2 + Li2S = PbS + 2 Li(NO3)
AgCl + NH4OH = [Ag(NH3)2]Cl + H2O =>
AgCl + 2 NH4OH = [Ag(NH3)2]Cl + 2 H2O
ZnS + HNO3 = Zn(NO3)2 + H2S =>
ZnS + 2 HNO3 = Zn(NO3)2 + H2S
Al + Sn2O4 = Al2O3 + Sn =>
8 Al + 3 Sn2O4 = 4 Al2O3 + 6 Sn
CrO4 + HCl = HCrO4 + Cl =>
CrO4 + HCl = HCrO4 + Cl
Ag + Na2S2O3 = AgS2O3 + Na =>
Ag + Na2S2O3 = AgS2O3 + 2 Na
BrO2 + NaOH = NaBr + NaBrO3 + H2O =>
6 BrO2 + 6 NaOH = NaBr + 5 NaBrO3 + 3 H2O
SiH4 = SiH2H2 =>
SiH4 = SiH2H2
Mg + HCe = MgCe2 + H2 =>
Mg + 2 HCe = MgCe2 + H2
KClO3 + KI + H2SO4 = I2 + K2SO4 + KCl + H2O =>
KClO3 + 6 KI + 3 H2SO4 = 3 I2 + 3 K2SO4 + KCl + 3 H2O
KFl + Br = KBr + Fl =>
KFl + Br = KBr + Fl
Li2SO4 + SrCl2 = Li2Cl2 + SrSO4 =>
Li2SO4 + SrCl2 = Li2Cl2 + SrSO4
Li2CO3 + HCl = LiCl + CO2H2O =>
Li2CO3 + 2 HCl = 2 LiCl + CO2H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Na2SO4 + H3PO4 = Na2HPO4 + H2SO4 =>
Na2SO4 + H3PO4 = Na2HPO4 + H2SO4
Cl2 + CH4 = CH3Cl2 + HCl12 =>
7 Cl2 + CH4 = CH3Cl2 + HCl12
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
C6H12 + Br = C6H12Br2 =>
C6H12 + 2 Br = C6H12Br2
CuO + CO = Cu + CO2 =>
CuO + CO = Cu + CO2
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
HNO3 + Li2CO3 = LiHCO3 + LiNO3 =>
HNO3 + Li2CO3 = LiHCO3 + LiNO3
H2SO4(aq) + NaNO2(aq) = HNO2(aq) + Na2SO4(s) =>
H2SO4(aq) + 2 NaNO2(aq) = 2 HNO2(aq) + Na2SO4(s)
Pb3N2 + AlCl3 = PbCl2 + AlN =>
Pb3N2 + 2 AlCl3 = 3 PbCl2 + 2 AlN
Ca(OH)2 + CuSO4 = CaSO4 + Cu(OH)2 =>
Ca(OH)2 + CuSO4 = CaSO4 + Cu(OH)2
HBr + NaOH = BrNa + H2O =>
HBr + NaOH = BrNa + H2O
BaO2 + KI + H2O = KOH + Ba(OH)2 + I2 =>
BaO2 + 2 KI + 2 H2O = 2 KOH + Ba(OH)2 + I2
NaCl + NaOH = Na2ClOH =>
NaCl + NaOH = Na2ClOH
NH3 + Br2 = N2 + HBr =>
2 NH3 + 3 Br2 = N2 + 6 HBr
NaOH + Fe(III)Cl = NaCl + Fe(III)OH =>
NaOH + Fe(III)Cl = NaCl + Fe(III)OH
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