Disculpen, ¿Alguien me puede ayudar con esta ecuación química?. He intentado balancearla por tanteo e incluso por Redox, pero no he podido conseguir que quede correctamente balanceada. La ecuación es la siguiente:
Cu+HNO3 ---> Cu(NO3)2+H20+NO3
Muchas gracias.
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NO se puede balancear debido a que en los productos tienes 2 radicales (NO3)⁻ y cuando se produce la reacción se forna NO2 o NO
₀ ₊₁ ₊₅₋₂ ₊₂ ₊₅ ₋₂ ₊₁ ₋₂ ₊₄ ₋₂
Cu + H NO3 → Cu(NO3)2 + H2O + NO2
₀ ₊₂
Cu → Cu + 2e⁻ 1 intercambiar e⁻
2H⁺ + 1e⁻ + (NO3)⁻¹ → NO2 + H2O 2
``````````````````````````````````````````````````````````````````
₀ ₊₂
Cu → Cu + 2e⁻ simplificar e⁻
`
4H⁺ + 2e⁻ + 2(NO3)⁻¹ → 2NO2 + 2H2O
``````````````````````````````````````````````````````````````````````````````````
₀ ₊₂
Cu + 4H⁺ + 2(NO3)⁻¹ → Cu 2NO2 + 2H2O
₀ ₊₂
Cu + 4HNO3 → Cu + 2NO2 + 2H2O
balanceada:
₀ ₊₁ ₊₅₋₂ ₊₂ ₊₅ ₋₂ ₊₁ ₋₂ ₊₂₋₂
Cu + H NO3 → Cu(NO3)2 + H2O + NO
₀ ₊₂
Cu → Cu + 2e⁻ 3 intercambiar e⁻
4H⁺ + 3e⁻ + (NO3)⁻¹ → NO + 2H2O 2
``````````````````````````````````````````````````````````````````
₀ ₊₂
3Cu → 3 Cu + 6e⁻ simplificar e⁻
`
8H⁺ + 6e⁻ + 2(NO3)⁻¹ → 2NO + 4H2O
``````````````````````````````````````````````````````````````````````````````````
₀ ₊₂
3Cu + 8H⁺ + 2(NO3)⁻¹ → 3Cu 2NO + 4H2O
₀ ₊₂
3 Cu + 8HNO3 → 3Cu + 2NO + 4H2O
balanceada:
₀ ₊₁ ₊₅₋₂ ₊₂ ₊₅ ₋₂ ₊₁ ₋₂ ₊₄ ₋₂
Cu + H NO3 → Cu(NO3)2 + H2O + NO2
₀ ₊₂
Cu → Cu + 2e⁻ 1 intercambiar e⁻
2H⁺ + 1e⁻ + (NO3)⁻¹ → NO2 + H2O 2
``````````````````````````````````````````````````````````````````
₀ ₊₂
Cu → Cu + 2e⁻ simplificar e⁻
`
4H⁺ + 2e⁻ + 2(NO3)⁻¹ → 2NO2 + 2H2O
``````````````````````````````````````````````````````````````````````````````````
₀ ₊₂
Cu + 4H⁺ + 2(NO3)⁻¹ → Cu 2NO2 + 2H2O
₀ ₊₂
Cu + 4HNO3 → Cu + 2NO2 + 2H2O
balanceada:
Cu + 4 HNO3 → Cu(NO3)2
+ 2 H2O + 2 NO2 ----------------------------------------------------------------------------------------
₀ ₊₁ ₊₅₋₂ ₊₂ ₊₅ ₋₂ ₊₁ ₋₂ ₊₂₋₂
Cu + H NO3 → Cu(NO3)2 + H2O + NO
₀ ₊₂
Cu → Cu + 2e⁻ 3 intercambiar e⁻
4H⁺ + 3e⁻ + (NO3)⁻¹ → NO + 2H2O 2
``````````````````````````````````````````````````````````````````
₀ ₊₂
3Cu → 3 Cu + 6e⁻ simplificar e⁻
`
8H⁺ + 6e⁻ + 2(NO3)⁻¹ → 2NO + 4H2O
``````````````````````````````````````````````````````````````````````````````````
₀ ₊₂
3Cu + 8H⁺ + 2(NO3)⁻¹ → 3Cu 2NO + 4H2O
₀ ₊₂
3 Cu + 8HNO3 → 3Cu + 2NO + 4H2O
balanceada:
3 Cu + 8HNO3 → 3Cu(NO3)2
+ 4H2O + 2 NO
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