Saturday
March 25, 2017

Post a New Question

Posted by on .

Calculate the enthalpy change for the reactions
NO(g) + O(g) → NO2(g)
from the following data:
NO(g) + O3(g) → NO2(g) + O2(g) ΔH = -198.9 kJ
O3(g) → 1.5O2(g) ΔH = -142.3 kJ
O2(g) → 2O(g) ΔH = 495.0 kJ

Put the answer in kJ.

  • Chemistry - ,

    Take equation 1 and add it to the reverse of equation 2 and add that to the reverse of 1/2 equation 3.
    When reversing dH, change the sign.
    When taking 1/2 equation, also take 1/2 dH.

  • Chemistry - ,

    530kj

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question