Équations équilibrées la veille |
B2H6 = B2H4 + H2
Ru + HBr = RuBr3 + H2 =>
2 Ru + 6 HBr = 2 RuBr3 + 3 H2
H2SeO3 + KMnO4 + KOH = K2SeO4 + K2MnO4 + H2O =>
H2SeO3 + 2 KMnO4 + 4 KOH = K2SeO4 + 2 K2MnO4 + 3 H2O
Ba + NaOH = Ba(OH) + Na =>
Ba + NaOH = Ba(OH) + Na
Co{2+}(aq) + Al(s) = Al{3+}(aq) + Co(s) =>
3 Co{2+}(aq) + 2 Al(s) = 2 Al{3+}(aq) + 3 Co(s)
NH3 + KOH = NH2 + K + H2O =>
NH3 + KOH = NH2 + K + H2O
KBrO3 + I2 = KIO3 + Br2 =>
2 KBrO3 + I2 = 2 KIO3 + Br2
CH4(g) + O2(aq) = CO2(g) + H2O(g) =>
CH4(g) + 2 O2(aq) = CO2(g) + 2 H2O(g)
C6H4COOH + O2 = CO2 + H2O =>
4 C6H4COOH + 29 O2 = 28 CO2 + 10 H2O
ZnI2 + K2CO3 = ZnCO3 + K2I2 =>
ZnI2 + K2CO3 = ZnCO3 + K2I2
NH3 + KOH = KNH3 + OH =>
NH3 + KOH = KNH3 + OH
H2O2 + SO2 = H2SO4 =>
H2O2 + SO2 = H2SO4
Cu + NaOH = Cu(OH)2 + Na =>
Cu + 2 NaOH = Cu(OH)2 + 2 Na
HCNO = C3N3(NH2)3(l) + CO2(g) =>
6 HCNO = C3N3(NH2)3(l) + 3 CO2(g)
Ni(OH)3 + H2CO3 = Ni2(CO3)3 + H2O =>
2 Ni(OH)3 + 3 H2CO3 = Ni2(CO3)3 + 6 H2O
TiO2 + H = TiO + H2O =>
TiO2 + 2 H = TiO + H2O
Co{2+}(aq) + Al(s) = Al{3+}(aq) + Co(s) =>
3 Co{2+}(aq) + 2 Al(s) = 2 Al{3+}(aq) + 3 Co(s)
H2O2(l) + SO2(g) = H2SO4(aq) =>
H2O2(l) + SO2(g) = H2SO4(aq)
C3H6 + KMnO4 + KOH = C3H8O2 + K2MnO4 =>
C3H6 + 2 KMnO4 + 2 KOH = C3H8O2 + 2 K2MnO4
Na + Co2 = Na2Co3 =>
4 Na + 3 Co2 = 2 Na2Co3
C2H2 + Ca = CaC2 + H2 =>
C2H2 + Ca = CaC2 + H2
Ca3 + H2O = Ca(OH)2 + H3 =>
Ca3 + 6 H2O = 3 Ca(OH)2 + 2 H3
H3PO4 = H2OH4P2O7 =>
2 H3PO4 = H2OH4P2O7
NH3 + KOH = KNH3 + OH =>
NH3 + KOH = KNH3 + OH
ZnI2 + K2CO3 = ZnCO3 + KI =>
ZnI2 + K2CO3 = ZnCO3 + 2 KI
NH3 + KOH = NH4KO =>
NH3 + KOH = NH4KO
NH3 + KOH = N(OH)3 + KH =>
NH3 + 3 KOH = N(OH)3 + 3 KH
I2{-} + HSO3{-} + H2O = SO4{2-} + I{-} + H{+} =>
2 I2{-} + HSO3{-} + H2O = SO4{2-} + 4 I{-} + 3 H{+}
Mn(OH)2 + HO2 = MnO2 + OH =>
Mn(OH)2 + 2 HO2 = MnO2 + 4 OH
Pb3N4 + S8 = N2 + PbS2 =>
4 Pb3N4 + 3 S8 = 8 N2 + 12 PbS2
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
FeO + Si = Fe + SiO =>
FeO + Si = Fe + SiO
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
NH3 + KOH = N(OH)3 + KH =>
NH3 + 3 KOH = N(OH)3 + 3 KH
NO2(g) + O(g) + H2O(l) = HNO3(aq) =>
2 NO2(g) + O(g) + H2O(l) = 2 HNO3(aq)
NH3 + KOH = NH4KO =>
NH3 + KOH = NH4KO
CH3CH2COOH + (CH3)2CHCH2OH = C7H14O2 + H2O =>
CH3CH2COOH + (CH3)2CHCH2OH = C7H14O2 + H2O
NH3 + KOH = K3N + H2O =>
NH3 + 3 KOH = K3N + 3 H2O
Mg3(PO4)2 = Mg + P + O =>
Mg3(PO4)2 = 3 Mg + 2 P + 8 O
AlNO3 + Ba(OH)2 = Al(OH)2 + BaNO3 =>
AlNO3 + Ba(OH)2 = Al(OH)2 + BaNO3
FeCl2(aq) + K2CO3(aq) = FeCO3(s) + KCl(aq) =>
FeCl2(aq) + K2CO3(aq) = FeCO3(s) + 2 KCl(aq)
Ag + Pb(NO3)2 = AgNO3 + Pb =>
2 Ag + Pb(NO3)2 = 2 AgNO3 + Pb
TeO32{-} + N2O4 + H2O = Te + NO3{-} + H{+} =>
2 TeO32{-} + 63 N2O4 + 62 H2O = 2 Te + 126 NO3{-} + 124 H{+}
BaCl + ZnSO4 = BaSO4 + ClZn =>
BaCl + ZnSO4 = BaSO4 + ClZn
NCl2 + Ba(OH)2 = BaCl2 + N(OH)2 =>
NCl2 + Ba(OH)2 = BaCl2 + N(OH)2
Zn + HBrO3 + H2SO4 = ZnSO4 + Br2 + H2O =>
5 Zn + 2 HBrO3 + 5 H2SO4 = 5 ZnSO4 + Br2 + 6 H2O
Fe(s) + NaBr = FeBr3 + Na =>
Fe(s) + 3 NaBr = FeBr3 + 3 Na
Ca + NaCl = CaCl + Na =>
Ca + NaCl = CaCl + Na
NH3 + KOH = NH4KO =>
NH3 + KOH = NH4KO
CH3CH2CH2Cl + KOH = CH3CH2CH2OH + KCl =>
CH3CH2CH2Cl + KOH = CH3CH2CH2OH + KCl
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