Équations équilibrées la veille |
BaO2 + H2O = BaH2O + O2
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
K2CrO4 + Ba(NO3)2 = KNO3 + BaCrO4 =>
K2CrO4 + Ba(NO3)2 = 2 KNO3 + BaCrO4
C6H5COOH + NaHCO3 = C6H5COONa + H2O + CO3 =>
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
NaOH + Ca(OH)2 + Cl2 = Ca(ClO)2 + NaCl + H2O =>
2 NaOH + Ca(OH)2 + 2 Cl2 = Ca(ClO)2 + 2 NaCl + 2 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Ba(OH)2(s) + NH4Cl(s) = BaCl2(s) + H2O(l) + NH3(g) =>
Ba(OH)2(s) + 2 NH4Cl(s) = BaCl2(s) + 2 H2O(l) + 2 NH3(g)
KNO3 + C + S = K2S + N2 + CO2 =>
2 KNO3 + 3 C + S = K2S + N2 + 3 CO2
FeSO4 + (NH4)2SO4 = Fe(NH4)2(SO4)2 =>
FeSO4 + (NH4)2SO4 = Fe(NH4)2(SO4)2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Ca + HCl = CaCl1 + H2 =>
2 Ca + 2 HCl = 2 CaCl1 + H2
NH2CH2COOH + CH3NH2 = NH2CH2COOCH3NH3 =>
NH2CH2COOH + CH3NH2 = NH2CH2COOCH3NH3
FeN + NaNO2 = Fe(NO2)3 + Na3N =>
FeN + 3 NaNO2 = Fe(NO2)3 + Na3N
K2Cr2O7 + H2C2O4*2H2O = K[Cr(H2O2)(C2O4)2] + H2O + CO2 =>
K2Cr2O7 + 5 H2C2O4*2H2O = 2 K[Cr(H2O2)(C2O4)2] + 13 H2O + 2 CO2
Cr + Cl2{+} = Cr3{+} + Cl =>
3 Cr + Cl2{+} = Cr3{+} + 2 Cl
Zn + H2O(g) = ZnH2O =>
Zn + H2O(g) = ZnH2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Ba(CrO2)2 + H2O = Cr2O3 + Ba(OH)2 =>
Ba(CrO2)2 + H2O = Cr2O3 + Ba(OH)2
KMnO4 + H2S + H2SO4 = Mn2SO4 + K2SO4 + H2O =>
4 KMnO4 + 3 H2S + H2SO4 = 2 Mn2SO4 + 2 K2SO4 + 4 H2O
Na + MgCO3 = Na2CO3 + Mg =>
2 Na + MgCO3 = Na2CO3 + Mg
NH4Cl + NHCl2 = N + HCl =>
NH4Cl + 3 NHCl2 = 4 N + 7 HCl
NiSO4 = Ni + SO2 + O2 =>
NiSO4 = Ni + SO2 + O2
H2O + FeCl2 = Fe2 + ClH2O =>
4 H2O + 2 FeCl2 = Fe2 + 4 ClH2O
H2S(g) + O2(g) = H2O(s) + SO2(s) =>
2 H2S(g) + 3 O2(g) = 2 H2O(s) + 2 SO2(s)
NaCl + Cr3PO4 + HCl = CrCl3 + NaPO4 + H2 =>
NaCl + Cr3PO4 + 8 HCl = 3 CrCl3 + NaPO4 + 4 H2
NaO + HCI = NaCI + OH =>
NaO + HCI = NaCI + OH
HClO + CaCO3 = Ca(ClO)2 + CO2 + HOH =>
2 HClO + CaCO3 = Ca(ClO)2 + CO2 + HOH
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
NaHCO3 + Br2 = NaBr + HCO3 =>
2 NaHCO3 + Br2 = 2 NaBr + 2 HCO3
SO2 + O2 + H20O = H2SO4 =>
20 SO2 + 19 O2 + 2 H20O = 20 H2SO4
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
ZnS + O2 = ZnO + SO4 =>
2 ZnS + 5 O2 = 2 ZnO + 2 SO4
Na2CO3 + H2O + NH3 = NH4HCO3 + NaOH =>
Na2CO3 + 2 H2O + NH3 = NH4HCO3 + 2 NaOH
Cu + AgN = CuN + Ag =>
Cu + AgN = CuN + Ag
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
phosphorus + bromine = phosphorustribromide =>
2 P + 3 Br2 = 2 PBr3
KCl + AgN = KN + AgCl =>
KCl + AgN = KN + AgCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HCl(am) + Ba(OH)2 = BaCl2 + H2O =>
2 HCl(am) + Ba(OH)2 = BaCl2 + 2 H2O
H2SO4 + KI = KHSO4 + I + H2S + H2O =>
9 H2SO4 + 8 KI = 8 KHSO4 + 8 I + H2S + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
SiO2 + H2O = H2SiO3 =>
SiO2 + H2O = H2SiO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2SO4 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Fe(SO4) + H2O =>
5 Fe2SO4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 10 Fe(SO4) + 8 H2O
NiSO4 + H2S = S + Ni(OH)2 + H2O =>
NiSO4 + 3 H2S = 4 S + Ni(OH)2 + 2 H2O
Be2C + H2O = Be(OH)2 + CH4 =>
Be2C + 4 H2O = 2 Be(OH)2 + CH4
Fe(II)CO3 + H2SO4 = Fe(II)SO4 + H2O + CO2 =>
Fe(II)CO3 + H2SO4 = Fe(II)SO4 + H2O + CO2
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
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