Consider the reactionIf 3 moles of H2 react with 3 moles of Cl2 to form HCl, calculate the...

Consider the reaction

If 3 moles of H2 react with 3 moles of Cl2 to form HCl, calculate the work done (in joules) against a pressure of 1.0 atm. What is ΔU for this reaction? Assume the reaction goes to completion and that ΔV = 0. (The conversion factor is 1 L · atm = 101.3J.)