Équations équilibrées la veille |
K2Cr2O7 + 6 HI + 4 H2SO4 = Cr2S3O12 + 3 I2 + K2SO4 + 7 H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Ca(NO3)2 + AI(OH)3 = Ca(OH)2 + AI(NO3)3 =>
3 Ca(NO3)2 + 2 AI(OH)3 = 3 Ca(OH)2 + 2 AI(NO3)3
C2H5OCl + NaOH = NaOCl + C2H5OH =>
C2H5OCl + NaOH = NaOCl + C2H5OH
(NH4)2SO4 + NaOH = Na2SO4 + H2O(NH3) =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 H2O(NH3)
Fe(OH)3 + HI = I2 + H2O + Fe =>
2 Fe(OH)3 + 6 HI = 3 I2 + 6 H2O + 2 Fe
Co(OH)2 + HNO3 = CoNO3 + H(OH)2 =>
Co(OH)2 + HNO3 = CoNO3 + H(OH)2
KCrO7 + HCl = CrCl3 + KCl + Cl2 + H2O =>
KCrO7 + 14 HCl = CrCl3 + KCl + 5 Cl2 + 7 H2O
Cr(OH)2 + NaOH + H2O2 = Na2CrO4 + H2O =>
Cr(OH)2 + 2 NaOH + 2 H2O2 = Na2CrO4 + 4 H2O
Ca(NO3)2 + CuSO4 = CaSO4 + Cu(NO3)2 =>
Ca(NO3)2 + CuSO4 = CaSO4 + Cu(NO3)2
CaSO4Fe = FeSO4Ca =>
CaSO4Fe = FeSO4Ca
CaCl2(aq) + Na2S(aq) = CaS(aq) + NaCl(aq) =>
CaCl2(aq) + Na2S(aq) = CaS(aq) + 2 NaCl(aq)
C2H5NH3BrKOH = C2H5NH3OHKBr =>
C2H5NH3BrKOH = C2H5NH3OHKBr
Al + PbO2 = Al(PbO2)3 =>
Al + 3 PbO2 = Al(PbO2)3
SiO2 + C = Si + CO2 =>
SiO2 + C = Si + CO2
C + O2 = CO2 =>
C + O2 = CO2
Pd(CH2O3)2 + KPO4 = Pd(PO4)2 + KCH2O3 =>
Pd(CH2O3)2 + 2 KPO4 = Pd(PO4)2 + 2 KCH2O3
NaCl + I2 = NaI + Cl2 =>
2 NaCl + I2 = 2 NaI + Cl2
CO2 + Fe2O3 = Fe2(CO3)3 =>
3 CO2 + Fe2O3 = Fe2(CO3)3
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
K2Cr2O7 + H2SO4 = K2SO4 + H2O + O2 + CrSO4 =>
K2Cr2O7 + 3 H2SO4 = K2SO4 + 3 H2O + 2 O2 + 2 CrSO4
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
K2MnO4 + H2C2O4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
K2MnO4 + 2 H2C2O4 + 2 H2SO4 = 4 CO2 + 4 H2O + K2SO4 + MnSO4
N2 + Mg3 = Mg3N2 =>
N2 + Mg3 = Mg3N2
K2SiO3 + HCl = KHCl + KSiO3 =>
K2SiO3 + HCl = KHCl + KSiO3
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
Sb + HNO3 = Sb2O5 + NO + H2O =>
6 Sb + 10 HNO3 = 3 Sb2O5 + 10 NO + 5 H2O
SiO2(s) + C(s) = Si(l) + CO(g) =>
SiO2(s) + 2 C(s) = Si(l) + 2 CO(g)
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
ClNaBr = NaClBr =>
ClNaBr = NaClBr
Na3PO4 + MnCl2 = NaCl + Mn3(PO4)2 =>
2 Na3PO4 + 3 MnCl2 = 6 NaCl + Mn3(PO4)2
Co(IO3)3 + CaS = Ca(IO3)2 + Co2S3 =>
2 Co(IO3)3 + 3 CaS = 3 Ca(IO3)2 + Co2S3
NaOH + HClO = NaClO + H2O =>
NaOH + HClO = NaClO + H2O
K2Cr2O7 + SnCl + HCl = KCl + CrCl + SnCl4 + H2O =>
3 K2Cr2O7 + 10 SnCl + 42 HCl = 6 KCl + 6 CrCl + 10 SnCl4 + 21 H2O
SiO2 + C = Si + CO2 =>
SiO2 + C = Si + CO2
C + N2 + H2 + O2 = NH2CH2COOH =>
4 C + N2 + 5 H2 + 2 O2 = 2 NH2CH2COOH
MnO2 + NaClO + KOH = KMnO4 + NaCl + H2O =>
2 MnO2 + 3 NaClO + 2 KOH = 2 KMnO4 + 3 NaCl + H2O
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
RbO2 = Rb + O =>
RbO2 = Rb + 2 O
Ga + Br = GaBr =>
Ga + Br = GaBr
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Ag4P2O7 + HNO3 = AgNO3 + H4P2O7 =>
Ag4P2O7 + 4 HNO3 = 4 AgNO3 + H4P2O7
Ni2[Fe(CN)6] + NH3 = [Ni(NH3)6]2[Fe(CN)6] =>
Ni2[Fe(CN)6] + 12 NH3 = [Ni(NH3)6]2[Fe(CN)6]
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