Équations équilibrées la veille |
2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4 + 3 O2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 O
Cd + H4P2O7 = Cd2P2O7 + H2 =>
2 Cd + H4P2O7 = Cd2P2O7 + 2 H2
H2SO4 + HBr = SO2 + Br + H2O =>
H2SO4 + 2 HBr = SO2 + 2 Br + 2 H2O
C10H16N2O8 + H2O = C10H15N2O8 + H3O =>
C10H16N2O8 + H2O = C10H15N2O8 + H3O
NaCl + H2O = Cl2 + H2 + NaOH =>
2 NaCl + 2 H2O = Cl2 + H2 + 2 NaOH
K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4 + 3 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HCOOH + Na2CO3 = HCONa + H2O + CO2 =>
4 HCOOH + Na2CO3 = 2 HCONa + 3 H2O + 3 CO2
C2H4 + H2O = C2H6 + O2 =>
2 C2H4 + 2 H2O = 2 C2H6 + O2
C5H12O + HNO2 = C5H11NO2 + H2O =>
C5H12O + HNO2 = C5H11NO2 + H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Calciumhydroxide + ammoniumchloride = calciumchloride + ammoniumhydroxide =>
Ca(OH)2 + 2 NH4Cl = CaCl2 + 2 NH4OH
FeO + BaCO3 + SiO2 = BaFeSi4O10 + CO2 =>
FeO + BaCO3 + 4 SiO2 = BaFeSi4O10 + CO2
K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4 + 3 O2
N2(s) + Na(s) = NaN3(s) =>
3 N2(s) + 2 Na(s) = 2 NaN3(s)
K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 8 H2O + 2 K2SO4 + 3 O2
Et3SiI + AgBr = Et3SiBr + AgI =>
Et3SiI + AgBr = Et3SiBr + AgI
CoCl2 + K(NO2) = Co(NO2)2 + KCl =>
CoCl2 + 2 K(NO2) = Co(NO2)2 + 2 KCl
CuSO4*5H2O + K2C2O4*H2O = K2(Cu(C2O4)2)*2H2O + K2SO4 + H2O =>
CuSO4*5H2O + 2 K2C2O4*H2O = K2(Cu(C2O4)2)*2H2O + K2SO4 + 5 H2O
NaOH + K = NaK + OH =>
NaOH + K = NaK + OH
Mg + H2O = Mg2O3 + H2 =>
2 Mg + 3 H2O = Mg2O3 + 3 H2
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
C2H2O2 + KOH = C2HO2K + H2O =>
C2H2O2 + KOH = C2HO2K + H2O
H2CO3 + KOH = HCO3 + H2KO =>
H2CO3 + KOH = HCO3 + H2KO
CrSO4 + KOH = KSO4 + Cr(OH) =>
CrSO4 + KOH = KSO4 + Cr(OH)
C2H2(l) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(l) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
F2(g) + HCl(aq) = Cl2(g) + HF(aq) =>
F2(g) + 2 HCl(aq) = Cl2(g) + 2 HF(aq)
C + H2 = CH4 =>
C + 2 H2 = CH4
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
Al2O2 + HNO3 = Al(NO3)2 + H2O =>
Al2O2 + 4 HNO3 = 2 Al(NO3)2 + 2 H2O
Fe + KCNS = Fe(CNS) + K =>
Fe + KCNS = Fe(CNS) + K
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg + Ar = Mg2Ar =>
2 Mg + Ar = Mg2Ar
NaHCO3 + C2H4O2 = NaC2H3O2 + H2O + CO2 =>
NaHCO3 + C2H4O2 = NaC2H3O2 + H2O + CO2
Au + Ne = AuNe =>
Au + Ne = AuNe
Mg + Ni2SO4 = Ni + MgSO4 =>
Mg + Ni2SO4 = 2 Ni + MgSO4
NH4OH = NH3H2O =>
NH4OH = NH3H2O
NaCl + HCl = HNa + Cl =>
NaCl + HCl = HNa + 2 Cl
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
C2H6 = C3H8 + CH4 =>
2 C2H6 = C3H8 + CH4
CaSO4(aq) + Mg(OH)2(aq) = Ca(OH)2(aq) + MgSO4(aq) =>
CaSO4(aq) + Mg(OH)2(aq) = Ca(OH)2(aq) + MgSO4(aq)
K + water = KOH + H =>
K + H2O = KOH + H
PbS = Pb{-2} + S{+2} =>
PbS = Pb{-2} + S{+2}
H2Co2 + O2 = Co2 + H2O =>
2 H2Co2 + O2 = 2 Co2 + 2 H2O
C + S = CS2 =>
C + 2 S = CS2
C2H6 = C3H8 + H2 =>
3 C2H6 = 2 C3H8 + H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
AgNO3 + NaCN = NaNO3 + Na[Ag(CN)2] =>
AgNO3 + 2 NaCN = NaNO3 + Na[Ag(CN)2]
calciumsulfate + potassiumhydroxide = calciumhydroxide + potassiumsulfate =>
CaSO4 + 2 KOH = Ca(OH)2 + K2SO4
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