Question

What is the sign of work done in
N2+3H2---->2NH3.
Give answer with proper explanation only because I know what is answer but not able to explain it.

Answer 1

Answer:

Sign is negative.

Explanation:

Formation of ammonia is an exothermic process, a large amount of heat is released during the reaction.

Formation of ammonia is favoured under high pressure and low temperature.

So in this case work done will be negative. work done by the system is negative but work done on the system is positive.

Thank you

Answer 2

Explanation:

sign is negative

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