Question:

What is the change in enthalpy of the first reaction below,

Last updated: 7/26/2022

What is the change in enthalpy of the first reaction below,

What is the change in enthalpy of the first reaction below, given the enthalpies of the other two reactions? 2NO₂(g) →2NO(g) + O₂(g) N₂(g)+0₂(g) → NO(g) N₂(g) +O₂(g) → NO₂(g) ΔH°-90 kJ/mol ΔH-34 kJ/mol A. -112 kJ B. 112 kJ C. 248 kJ D. -56 kJ