11. assuming that the gases are ideal, calculate the amount of work done (joules) in each of the following reactions at 25 degrees celsius. a. 4 hcl(g) + ox(9) + 2cl(g) + 2 h2o(g) b. 2 no(g) → na(g) + o2(g)

For a: Work done for the given reaction is 2477.572 J.

For b: Work done for the given reaction is 0 J

Explanation:

To calculate the work done for the reaction, we use the equation:

Ideal gas equation follows:

Relating both the above equations, we get:

    ......(1)

where,

= difference in number of moles of products and reactants =

R = Gas constant = 8.314 J/K.mol

T = temperature =

The chemical reaction follows:

Putting values in equation 1, we get:

Hence, work done for the given reaction is 2477.572 J.

The chemical reaction follows:

Putting values in equation 1, we get:

Hence, work done for the given reaction is 0 J.

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