Équations équilibrées la veille |
Pb(NO3)2(aq) + 2 KCl(aq) = 2 KNO3(aq) + PbCl2(s)
CuOH + H2SO4 = CuHSO4 + H2O =>
CuOH + H2SO4 = CuHSO4 + H2O
PbCO3 + C = Pb + CO2 =>
2 PbCO3 + C = 2 Pb + 3 CO2
N + MgCl2 = MgN + Cl =>
N + MgCl2 = MgN + 2 Cl
Si + HNO3 + HF = H2SiF6 + NO2 + H2O =>
Si + 4 HNO3 + 6 HF = H2SiF6 + 4 NO2 + 4 H2O
HI(aq) + NH3(aq) = NH4I =>
HI(aq) + NH3(aq) = NH4I
CCl4(l) + HF(g) = CCl2F2(l) + HCl(l) =>
CCl4(l) + 2 HF(g) = CCl2F2(l) + 2 HCl(l)
NiOHCl + H2O = HCl + Ni(OH)2 =>
NiOHCl + H2O = HCl + Ni(OH)2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Na2CO3 + NiO + TeO2 + O2 = Na2Ni2TeO6 + CO2 =>
2 Na2CO3 + 4 NiO + 2 TeO2 + O2 = 2 Na2Ni2TeO6 + 2 CO2
CuBr2(aq) + Na3PO4(aq) = CuPO4(s) + Na3Br2(aq) =>
CuBr2(aq) + Na3PO4(aq) = CuPO4(s) + Na3Br2(aq)
SI + HNO3 + HF = H2SIF6 + NO + H2O =>
3 SI + 4 HNO3 + 18 HF = 3 H2SIF6 + 4 NO + 8 H2O
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
C6H7N + C4H6O3 = C2H4O2 + C6H5NH(COCH3) =>
C6H7N + C4H6O3 = C2H4O2 + C6H5NH(COCH3)
Si + HNO3 + HF = SiF4 + NO2 + H2O =>
Si + 4 HNO3 + 4 HF = SiF4 + 4 NO2 + 4 H2O
H2SO4 + MnS + As2(Cr2O7)5 = HMnO4 + AsH3 + Cr2(SO4)3 + H2O =>
149 H2SO4 + 46 MnS + 13 As2(Cr2O7)5 = 46 HMnO4 + 26 AsH3 + 65 Cr2(SO4)3 + 87 H2O
SI + HNO3 + HF = SIF4 + NO + H2O =>
3 SI + 4 HNO3 + 12 HF = 3 SIF4 + 4 NO + 8 H2O
Sr(OH)2 + CuO = SrO + Cu(OH)2 =>
Sr(OH)2 + CuO = SrO + Cu(OH)2
Si + HNO3 + HF = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
Pb(NO3)2 + H2SO4 = PbSO4 + HNO3 =>
Pb(NO3)2 + H2SO4 = PbSO4 + 2 HNO3
Na2CO3 + HOCH2COOH = Na2C2H4O3 + CO2 + H2O =>
3 Na2CO3 + 4 HOCH2COOH = 3 Na2C2H4O3 + 5 CO2 + 2 H2O
Ca + KOH + H2O = K[Ca(OH)2] + H23 =>
23 Ca + 23 KOH + 23 H2O = 23 K[Ca(OH)2] + H23
HCOOH + CH3CH2NH2 = HCONHCH2CH3 + H2O =>
HCOOH + CH3CH2NH2 = HCONHCH2CH3 + H2O
Na2SO3 + AgNO3NaOH = Na2SO4 + Ag + NaNO3 + H2O =>
Na2SO3 + 2 AgNO3NaOH = Na2SO4 + 2 Ag + 2 NaNO3 + H2O
NH4CH3COO + H2O = NH4OH + CH3COOH =>
NH4CH3COO + H2O = NH4OH + CH3COOH
C21H20 + O2 = CO2 + H2O =>
C21H20 + 26 O2 = 21 CO2 + 10 H2O
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2 =>
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2
Br + N = NBr3 =>
3 Br + N = NBr3
U3O8 + Ca = U + CaO =>
U3O8 + 8 Ca = 3 U + 8 CaO
CaBr2 + K2(CO3) = Ca(CO3) + KBr =>
CaBr2 + K2(CO3) = Ca(CO3) + 2 KBr
Tc + H2O = TcO2 + H2 =>
Tc + 2 H2O = TcO2 + 2 H2
N + Br = NBr =>
N + Br = NBr
Pb(CH3COO)4 + H2O = Pb2O4 + CH3COOH =>
2 Pb(CH3COO)4 + 4 H2O = Pb2O4 + 8 CH3COOH
CaCl + NaCO{3} = CaCO{3} + NaCl =>
CaCl + NaCO{3} = CaCO{3} + NaCl
(NH4)3Po4 = H3Po4 + NH3 =>
(NH4)3Po4 = H3Po4 + 3 NH3
P4 + Y = PY4 =>
P4 + 16 Y = 4 PY4
carbon + hydrogen = propane =>
3 C + 4 H2 = C3H8
Cu + NHO3 = Cu(NO3)2 + NO2H2O =>
Cu + 4 NHO3 = Cu(NO3)2 + 2 NO2H2O
COHCOH + [Ag(NH3)2]OH = COONH4COONH4 + Ag + NH3 + H2O =>
COHCOH + 4[Ag(NH3)2]OH = COONH4COONH4 + 4 Ag + 6 NH3 + 2 H2O
C6H10 + KMnO4 + H2O = C6H10(OH)2 + H2MnO4 + K =>
C6H10 + KMnO4 + 2 H2O = C6H10(OH)2 + H2MnO4 + K
Al(SO4) + BaCl2 = BaSO4 + Cl2 + Al2 =>
2 Al(SO4) + 2 BaCl2 = 2 BaSO4 + 2 Cl2 + Al2
C2H5ONa + CH3Br = C2H5OCH3 + NaBr =>
C2H5ONa + CH3Br = C2H5OCH3 + NaBr
CH3CH2C(OH)CH3 + KMnO4 + H2SO4 = CH3CH2COCH3 + MnSO4 + K2SO4 + H2O =>
10 CH3CH2C(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 10 CH3CH2COCH3 + 2 MnSO4 + K2SO4 + 8 H2O
KCl + H = K + HCl =>
KCl + H = K + HCl
Sr(NO3)2 + Na2CO3 = SrCO3 + NaNO3 =>
Sr(NO3)2 + Na2CO3 = SrCO3 + 2 NaNO3
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
Cu + NaCl = Cu(NaCl) =>
Cu + NaCl = Cu(NaCl)
Na2Cr2O7 + SO2 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O =>
Na2Cr2O7 + 3 SO2 + H2SO4 = Na2SO4 + Cr2(SO4)3 + H2O
MnO2 + KNO3 + NaOH = NaMnO4 + KNO2 + H2O =>
2 MnO2 + 3 KNO3 + 2 NaOH = 2 NaMnO4 + 3 KNO2 + H2O
Cu(OH)2 = CuOH2O =>
Cu(OH)2 = CuOH2O
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