Équations équilibrées la veille |
B2S3 + 6 H2O = 2 H3BO3 + 3 H2S
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
Al + Sn2(CO3)4 = Al2(CO3)3 + Sn =>
8 Al + 3 Sn2(CO3)4 = 4 Al2(CO3)3 + 6 Sn
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
KMnO4 + H2SO4 + Sb = K2K2SO4 + MnSO4 + Sb2O3 + H2O =>
12 KMnO4 + 15 H2SO4 + 22 Sb = 3 K2K2SO4 + 12 MnSO4 + 11 Sb2O3 + 15 H2O
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
Pb3(PO4)4 + Sn(OH)2 = Sn3(PO4)2 + Pb(OH)4 =>
Pb3(PO4)4 + 6 Sn(OH)2 = 2 Sn3(PO4)2 + 3 Pb(OH)4
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
K2CO3 + Zn + H2O = K2(Zn(OH)4) + CO2 + H2 =>
K2CO3 + Zn + 3 H2O = K2(Zn(OH)4) + CO2 + H2
HF + (SiO2(s)) = SiF4 + H2O =>
4 HF + (SiO2(s)) = SiF4 + 2 H2O
NaC2H3O2 + HCl = NaCl + C2H4O2 =>
NaC2H3O2 + HCl = NaCl + C2H4O2
CrO + Ba(OH)2 = BaO + Cr(OH)2 =>
CrO + Ba(OH)2 = BaO + Cr(OH)2
BeOH + NaOH + H2O = Na2[Be(OH)4] + H2 =>
2 BeOH + 4 NaOH + 2 H2O = 2 Na2[Be(OH)4] + H2
ICl3 + KI = KCl + I2 =>
ICl3 + 3 KI = 3 KCl + 2 I2
HS{-} + [Cr(OH)(H2O)5]{2+} = S{2-} + [Cr(H2O)6]{3+} =>
HS{-} + [Cr(OH)(H2O)5]{2+} = S{2-} + [Cr(H2O)6]{3+}
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
H2O + H{+} + P4 + NO3{-} = H3PO4 + NO =>
8 H2O + 20 H{+} + 3 P4 + 20 NO3{-} = 12 H3PO4 + 20 NO
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
HClO3 = HCl + O2 =>
2 HClO3 = 2 HCl + 3 O2
CH3COCH3 + I2 = CH3COCH2I + H{+} + I{-} =>
CH3COCH3 + I2 = CH3COCH2I + H{+} + I{-}
C + K2Cr2O7 = Cr2O3 + K2CO3 + CO2 =>
3 C + 2 K2Cr2O7 = 2 Cr2O3 + 2 K2CO3 + CO2
Kl + AgNO = KlAg + NO =>
Kl + AgNO = KlAg + NO
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
NaC2H3O2 + H2SO4 = Na2SO4 + CH3COOH =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 CH3COOH
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
HClO3 = Cl2O5 + H2O =>
2 HClO3 = Cl2O5 + H2O
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
PbCl4 + (CH3CH2)MgBr = Pb(CH3CH2)4 + MgCl2 + MgBr2 =>
PbCl4 + 4(CH3CH2)MgBr = Pb(CH3CH2)4 + 2 MgCl2 + 2 MgBr2
Na + CuSO4 = Cu + Na(SO4) =>
Na + CuSO4 = Cu + Na(SO4)
NaO3Si + Ni(NO3)2 = NaNO3 + Ni(O3Si)2 =>
2 NaO3Si + Ni(NO3)2 = 2 NaNO3 + Ni(O3Si)2
PhH2O2 = PhH2O + O2 =>
2 PhH2O2 = 2 PhH2O + O2
HBr + Mg(NO3)2 = MgBr + H(NO3)2 =>
HBr + Mg(NO3)2 = MgBr + H(NO3)2
C16H32O2 + O2 = CO2 + H2O =>
C16H32O2 + 23 O2 = 16 CO2 + 16 H2O
KCl + Br2 = KBr + Cl2 =>
2 KCl + Br2 = 2 KBr + Cl2
HNO3 + NH4(OH) = NO3NH4 + H2O =>
HNO3 + NH4(OH) = NO3NH4 + H2O
Mg(CO3) + HCl = MgCl2 + H2O + CO2 =>
Mg(CO3) + 2 HCl = MgCl2 + H2O + CO2
NaC2H3O2 + HCl = NaCl + C2H4O2 =>
NaC2H3O2 + HCl = NaCl + C2H4O2
NaO + H2SO4 = Na2(SO4)2 + H2O =>
2 NaO + 2 H2SO4 = Na2(SO4)2 + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaC2H3O2 + H2SO4 = Na2SO4 + CH3COOH =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 CH3COOH
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
K + O2 = K2O =>
4 K + O2 = 2 K2O
Ag + Cl = AgCl4 =>
Ag + 4 Cl = AgCl4
H2O + Cr2(CO3)3 = H2CO3 + Cr(OH)3 =>
6 H2O + Cr2(CO3)3 = 3 H2CO3 + 2 Cr(OH)3
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