Équations équilibrées la veille |
NaH + H2O = NaH2 + OH
NO + NO2 + Na2CO3 = NaNO2 + CO2 =>
NO + NO2 + Na2CO3 = 2 NaNO2 + CO2
Ba(ClO4)2 + Na3BO3 = Ba3(BO3)2 + NaClO4 =>
3 Ba(ClO4)2 + 2 Na3BO3 = Ba3(BO3)2 + 6 NaClO4
CaCO3 + HF = H2O + CO2 + CaF2 =>
CaCO3 + 2 HF = H2O + CO2 + CaF2
AlCl3 + KBr2 = AlBr3 + KCl2 =>
2 AlCl3 + 3 KBr2 = 2 AlBr3 + 3 KCl2
Cu(CH3COO)2 + Sr = CuSr + CH3COO =>
Cu(CH3COO)2 + Sr = CuSr + 2 CH3COO
KCl + NaClO = NaCl + KClO3 =>
KCl + 3 NaClO = 3 NaCl + KClO3
KIO3(s) = KI(s) + O3(g) =>
KIO3(s) = KI(s) + O3(g)
C2H5Cl + CH3Cl + Na = C3H8 + NaCl = pt =>
C2H5Cl + CH3Cl + 2 Na = C3H8 + 2 NaCl
AlO(s) + CO(g) = Al(s) + CO2(g) =>
AlO(s) + CO(g) = Al(s) + CO2(g)
HNO3 + Mg(C2H3O2)2 = HC2H3O2 + Mg(NO3)2 =>
2 HNO3 + Mg(C2H3O2)2 = 2 HC2H3O2 + Mg(NO3)2
S(s) + Ba(s) = BaS(s) =>
S(s) + Ba(s) = BaS(s)
NH4NO3 + H2O = NH4(OH)2 + HNO3 =>
7 NH4NO3 + 13 H2O = 8 NH4(OH)2 + 6 HNO3
C6N12H6O12 + C = CO + H2O + N2 =>
C6N12H6O12 + 3 C = 9 CO + 3 H2O + 6 N2
SO2 + Na2SO3 = Na2S + SO3 =>
3 SO2 + Na2SO3 = Na2S + 3 SO3
KNO3 + NaHCO3 = NaNO3 + KHCO3 =>
KNO3 + NaHCO3 = NaNO3 + KHCO3
Ca2 + N2 = Ca3N2 =>
3 Ca2 + 2 N2 = 2 Ca3N2
K3PO4 + NaOH = PO4Na + K3OH =>
K3PO4 + NaOH = PO4Na + K3OH
KI + (NH4)2CrO7 + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O + (NH4)2SO4 =>
18 KI + 2(NH4)2CrO7 + 14 H2SO4 = Cr2(SO4)3 + 9 I2 + 9 K2SO4 + 14 H2O + 2(NH4)2SO4
C21H40 + O2 = CO2 + H2O =>
C21H40 + 31 O2 = 21 CO2 + 20 H2O
Zn + HNO3 + H2SO4 = ZnSO4 + NO + H2O =>
3 Zn + 2 HNO3 + 3 H2SO4 = 3 ZnSO4 + 2 NO + 4 H2O
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
NaIO3 + SO2 + H2O = Na2SO4 + HI + H2SO4 =>
2 NaIO3 + 6 SO2 + 6 H2O = Na2SO4 + 2 HI + 5 H2SO4
LiAlO2 + HNO3 = Al(NO3)3 + LiNO3 + H2O =>
LiAlO2 + 4 HNO3 = Al(NO3)3 + LiNO3 + 2 H2O
Na(HCO3) + CaCl2 = NaCl + CaO + CO2 + H2O =>
2 Na(HCO3) + CaCl2 = 2 NaCl + CaO + 2 CO2 + H2O
Mn + V = MnV =>
Mn + V = MnV
FeO + KMnO4 + HNO3 = Fe2O3 + Mn(NO3)2 + KNO3 + H2O =>
10 FeO + 2 KMnO4 + 6 HNO3 = 5 Fe2O3 + 2 Mn(NO3)2 + 2 KNO3 + 3 H2O
H3PO4 + CaO = [Ca]3(PO4)2 + H2O =>
2 H3PO4 + 3 CaO = [Ca]3(PO4)2 + 3 H2O
Calciumchlorate = calciumchloride + O =>
Ca(ClO3)2 = CaCl2 + 6 O
NaOH + SO4 = Na2S + O2 + H2O =>
4 NaOH + 2 SO4 = 2 Na2S + 5 O2 + 2 H2O
SPb + NO3H = (NO3)2Pb + H2O + S + NO =>
3 SPb + 8 NO3H = 3(NO3)2Pb + 4 H2O + 3 S + 2 NO
Zn(NO3)2 + BaCl2 = ZnCl2 + Ba(NO3)2 =>
Zn(NO3)2 + BaCl2 = ZnCl2 + Ba(NO3)2
ZnCl + LiOH = ZnOH + LiCl =>
ZnCl + LiOH = ZnOH + LiCl
NaMnO4 + H2SO4 + Na2O2 = O2 + MnSO4 + NaOH =>
2 NaMnO4 + 2 H2SO4 + Na2O2 = 3 O2 + 2 MnSO4 + 4 NaOH
K2Cr2O7 + S = SO2 + K3SO3 + Cr2O3 =>
3 K2Cr2O7 + 5 S = 3 SO2 + 2 K3SO3 + 3 Cr2O3
CuSO4 + Na = Cu + Na2SO4 =>
CuSO4 + 2 Na = Cu + Na2SO4
Ba(IO3)2 = BaI2 + O2 =>
Ba(IO3)2 = BaI2 + 3 O2
XQ4 + Z2 = XZ2 + Q2Z =>
XQ4 + 2 Z2 = XZ2 + 2 Q2Z
Zn + Pb(CO3)2 = Pb + ZnCO3 =>
2 Zn + Pb(CO3)2 = Pb + 2 ZnCO3
H2SiCl2 + H2O = H16Si8O8 + HCl =>
8 H2SiCl2 + 8 H2O = H16Si8O8 + 16 HCl
C2H6 + CO2 + HO2 = C2H5OH =>
15 C2H6 + 2 CO2 + 6 HO2 = 16 C2H5OH
Mg + Cu(No3)2 = Mg(No3) + Cu =>
2 Mg + Cu(No3)2 = 2 Mg(No3) + Cu
NaHS + KOH = Na2S + H2O + K2S =>
2 NaHS + 2 KOH = Na2S + 2 H2O + K2S
CH3(CH2)2MgBr + CO2 + H3O = CH3(CH2)2COOH + HOMgBr =>
26 CH3(CH2)2MgBr + 30 CO2 + 20 H3O = 27 CH3(CH2)2COOH + 26 HOMgBr
Na2S + Pb(NO3)2 = PbS + Na + NO3 =>
Na2S + Pb(NO3)2 = PbS + 2 Na + 2 NO3
Ag(NO3)2 + K2CrO4 = AgCrO4 + KNO3 =>
Ag(NO3)2 + K2CrO4 = AgCrO4 + 2 KNO3
Na2S2O4 + HCl = SO2 + NaCl + S + H2O =>
2 Na2S2O4 + 4 HCl = 3 SO2 + 4 NaCl + S + 2 H2O
Cu(OH)2SO4 + H28O4 = CuSO4 + H2O =>
10 Cu(OH)2SO4 + H28O4 = 10 CuSO4 + 24 H2O
HC2H3O2 + Al = Al(C2H3O2)3 + H2 =>
6 HC2H3O2 + 2 Al = 2 Al(C2H3O2)3 + 3 H2
H2O2 + PbO2 = Pb(OH)2 + O2 =>
H2O2 + PbO2 = Pb(OH)2 + O2
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