Équations équilibrées la veille |
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
K2HPO4 + AgNO3 = KNO3 + Ag2HPO4 =>
K2HPO4 + 2 AgNO3 = 2 KNO3 + Ag2HPO4
Pd + F2 = Pd[PdF6] =>
2 Pd + 3 F2 = Pd[PdF6]
K2HPO4 + NaOH = K2NaPO4 + H2O =>
K2HPO4 + NaOH = K2NaPO4 + H2O
K2[Cr(OH)6] + PbO2 + KOH = K2[Pb(OH)4] + K2CrO4 + H2O =>
K2[Cr(OH)6] + PbO2 + 2 KOH = K2[Pb(OH)4] + K2CrO4 + 2 H2O
H3C2 + O2 = CO2 + H2O =>
4 H3C2 + 11 O2 = 8 CO2 + 6 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
HgO + H = Hg + H2O =>
HgO + 2 H = Hg + H2O
K2S + Ba(NO3)2 = BaS + KNO3 =>
K2S + Ba(NO3)2 = BaS + 2 KNO3
K2SiO3 + HF = KF + Si2F8 + H2O =>
2 K2SiO3 + 12 HF = 4 KF + Si2F8 + 6 H2O
K3PO4 + Cu(NO3) = K3NO4 + CuPO3 =>
K3PO4 + Cu(NO3) = K3NO4 + CuPO3
KCl + Mg(OH)2 = K(OH) + MgCl2 =>
2 KCl + Mg(OH)2 = 2 K(OH) + MgCl2
KClO3 + Fe(SO4) + H2(SO4) = KCl + Fe2(SO4)3 + H2O =>
KClO3 + 6 Fe(SO4) + 3 H2(SO4) = KCl + 3 Fe2(SO4)3 + 3 H2O
C5H4COOH + O2 = CO2 + H2O =>
4 C5H4COOH + 25 O2 = 24 CO2 + 10 H2O
FeCl3 + MgO = Fe2O3 + MgCl2 =>
2 FeCl3 + 3 MgO = Fe2O3 + 3 MgCl2
KF = K + F2 =>
2 KF = 2 K + F2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaHCO3(s) + HCl = NaCl + CO2(g) + H2O(g) =>
NaHCO3(s) + HCl = NaCl + CO2(g) + H2O(g)
KHCO3 + HClO2 = KClO2 + H2O + CO2 =>
KHCO3 + HClO2 = KClO2 + H2O + CO2
Na2C2O4 + HCl = NaCl + H2 + CO2 =>
Na2C2O4 + 2 HCl = 2 NaCl + H2 + 2 CO2
KMnO4 + CH3COOH = MnO2 + KOH + CO2 + H2O =>
8 KMnO4 + 3 CH3COOH = 8 MnO2 + 8 KOH + 6 CO2 + 2 H2O
HgO + H = Hg + H2O =>
HgO + 2 H = Hg + H2O
KOH + C8H16O2 = KOOC8H15 + H2O =>
KOH + C8H16O2 = KOOC8H15 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
KOH + H2C2O4*2H2O = K2C2O4*H2O + H2O =>
2 KOH + H2C2O4*2H2O = K2C2O4*H2O + 3 H2O
C + H + Br = CHBr =>
C + H + Br = CHBr
C6H6ONa + H2O + CO2 = C6H6O + Na2CO3 =>
28 C6H6ONa + 3 H2O + 20 CO2 = 29 C6H6O + 14 Na2CO3
Pb + ZnC2H3O2 = PbC2H3O2 + Zn =>
Pb + ZnC2H3O2 = PbC2H3O2 + Zn
Cd + Sn(SO4) = Sn + CdSO4 =>
Cd + Sn(SO4) = Sn + CdSO4
KOH + Zn + H2O + KNO2 = K2Zn(OH)4 + NH3 =>
5 KOH + 3 Zn + 5 H2O + KNO2 = 3 K2Zn(OH)4 + NH3
Li2SiO3 + H2O = LiHSiO3 + LiOH =>
Li2SiO3 + H2O = LiHSiO3 + LiOH
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Ca3(PO4)2 + K2SO4 = K3PO4 + CaSO4 =>
Ca3(PO4)2 + 3 K2SO4 = 2 K3PO4 + 3 CaSO4
Co(salen) + O2 = [Co(salen)]2O2 =>
2 Co(salen) + O2 = [Co(salen)]2O2
LiCl + Zn(OH)2 = LiOH + ZnCl2 =>
2 LiCl + Zn(OH)2 = 2 LiOH + ZnCl2
LiH + HOH = LiOH + H2 =>
LiH + HOH = LiOH + H2
C5H5N + HNO3 = C5H5NH + NO3 =>
C5H5N + HNO3 = C5H5NH + NO3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Mg + Cu2SO4 = MgSO4 + Cu =>
Mg + Cu2SO4 = MgSO4 + 2 Cu
CH3CH2OH + H2SO4 + K2Cr2O7 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2OH + 4 H2SO4 + K2Cr2O7 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
Na2[Sn(OH)4] + Br2 + NaOH = Na2[Sn(OH)6] + NaBr =>
Na2[Sn(OH)4] + Br2 + 2 NaOH = Na2[Sn(OH)6] + 2 NaBr
Ca2 + P3 = Ca3P2 =>
9 Ca2 + 4 P3 = 6 Ca3P2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Mg3N2 + HNO3 = Mg(NO3)2 + NH3 =>
Mg3N2 + 6 HNO3 = 3 Mg(NO3)2 + 2 NH3
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Na2[Sn(OH)4] + Br2 + NaOH = Na2[Sn(OH)6] + NaBr =>
Na2[Sn(OH)4] + Br2 + 2 NaOH = Na2[Sn(OH)6] + 2 NaBr
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