When 150 Mol of CH₄(g)reacts with Excess Cl₂(g)at Constant Pressure According

question 29

Multiple Choice

When 1.50 mol of CH₄(g) reacts with excess Cl₂(g) at constant pressure according to the chemical equation shown below,1062 kJ of heat are released.Calculate the value of ΔH for this reaction,as written.
2 CH₄(g) + 3 Cl₂(g) → 2 CHCl₃(l) + 3 H₂(g)

H° = ?

• A)-1420 kJ mol^-1
• B)-708 kJ mol^-1
• C)+708 kJ mol^-1
• D)+1420 kJ mol^-1