Équations équilibrées la veille |
4 NO3 + 2 H2O = 4 HNO3 + O2
FeCl2 + H2SO4 = Fe2(SO4)3 + HCl + SO2 + H2O =>
2 FeCl2 + 4 H2SO4 = Fe2(SO4)3 + 4 HCl + SO2 + 2 H2O
Fe + KCNS = FeCNS + K =>
Fe + KCNS = FeCNS + K
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C7H6O3 + NaOH = C7H5O3 + Na + H2O =>
C7H6O3 + NaOH = C7H5O3 + Na + H2O
Fe + KCNS = FeS + KCN =>
Fe + KCNS = FeS + KCN
B5H9 + O2 = B2O3 + H2O =>
2 B5H9 + 12 O2 = 5 B2O3 + 9 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + KCNS = FeCNS + K =>
Fe + KCNS = FeCNS + K
NaClO3 + NaI + HCl = NaOCl + I2 + H2O =>
3 NaClO3 + 4 NaI + 4 HCl = 7 NaOCl + 2 I2 + 2 H2O
C7H6O3 + NaOH = C7H5O3Na + H2O =>
C7H6O3 + NaOH = C7H5O3Na + H2O
Fe + KCNS = FeS + KCN =>
Fe + KCNS = FeS + KCN
C7H6O3 + NaOH = C7H5NaO3 + H2O =>
C7H6O3 + NaOH = C7H5NaO3 + H2O
HClO4(aq) + K2CO3(aq) = KOH + KCl + CO2 + O2 =>
HClO4(aq) + K2CO3(aq) = KOH + KCl + CO2 + 2 O2
Fe + KCNS = FeS + KCN =>
Fe + KCNS = FeS + KCN
Fe + KCNS = FeCNS + K =>
Fe + KCNS = FeCNS + K
C3H8O3 + HNO3 = C3N3H5O9 + H2O =>
C3H8O3 + 3 HNO3 = C3N3H5O9 + 3 H2O
HClO4(aq) + K2CO3(aq) = H2CO3(aq) + KClO4(aq) =>
2 HClO4(aq) + K2CO3(aq) = H2CO3(aq) + 2 KClO4(aq)
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
Fe + KCNS = FeCNS + K =>
Fe + KCNS = FeCNS + K
CH3(CH2)3Br + KOH = CH3(CH2)3OH + KBr =>
CH3(CH2)3Br + KOH = CH3(CH2)3OH + KBr
HClO4(aq) + K2CO3(aq) = H2CO3 + KClO4 =>
2 HClO4(aq) + K2CO3(aq) = H2CO3 + 2 KClO4
C6H5OH + NaH = C6H5Na + H2O =>
C6H5OH + NaH = C6H5Na + H2O
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
Al + CrCl4 = AlCl3 + Cr =>
4 Al + 3 CrCl4 = 4 AlCl3 + 3 Cr
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
K2Cr2O7 + NaOH = K2CrO4 + Na2CrO4 + H2O =>
K2Cr2O7 + 2 NaOH = K2CrO4 + Na2CrO4 + H2O
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
COCl2 + H2O = CO2 + HCl =>
COCl2 + H2O = CO2 + 2 HCl
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
Pb{4+} + Fe{2+} = Fe{3+} + Pb{2+} =>
Pb{4+} + 2 Fe{2+} = 2 Fe{3+} + Pb{2+}
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
Fe + Al2(SO4)3 = Fe2(SO4)3 + Al =>
2 Fe + Al2(SO4)3 = Fe2(SO4)3 + 2 Al
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
BaSiO3 + HNO3 = Ba(NO3)2 + H2SiO3 =>
BaSiO3 + 2 HNO3 = Ba(NO3)2 + H2SiO3
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Fe2 + O3 + H2 = FeH2O =>
3 Fe2 + 2 O3 + 6 H2 = 6 FeH2O
KHCO3 = K2CO3 + H2O + CO2 =>
2 KHCO3 = K2CO3 + H2O + CO2
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
MgOOCO + HCl = ClMgCl + HOH + OCO =>
MgOOCO + 2 HCl = ClMgCl + HOH + OCO
HCOONH4 = HCOO + NH4 =>
HCOONH4 = HCOO + NH4
Fe2 + O3 + H2 = FeH2O =>
3 Fe2 + 2 O3 + 6 H2 = 6 FeH2O
Zn2O3 + NaOH = NaZnO2 + H2O =>
Zn2O3 + 2 NaOH = 2 NaZnO2 + H2O
Br2 + CoI3 = CoBr + I =>
Br2 + 2 CoI3 = 2 CoBr + 6 I
PB(NO3) + KI = KNO3 + PBI =>
PB(NO3) + KI = KNO3 + PBI
PtCl4 + F2 = FCl + Pt =>
PtCl4 + 2 F2 = 4 FCl + Pt
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