Enthalpy Change, ΔrH of a Reaction – Reaction Enthalpy

NEET Chemistry · Thermodynamics · 2 questions, latest first

• C(s)+2 H_2( g) → CH_4( g); Δ H=-74.8 kJ mol^-1 Which of the following diagrams gives an accurate representation of the above…20254 May · Q65
• The standard heat of formation, in kcal / mol of Ba^2+ is: [Given: standard heat of formation of SO_4^2- ion (aq)=-216 kcal /…20254 May · Q85