Ncert Exercises & Solutions

Given that $∆ H = 0$ for mixing of two gases. Explain whether the diffusion of these gases into each other in a closed container is a spontaneous process or not?

The mixing of two gases have

∆ H

equal to zero. Therefore, it is spontaneous proces because energy factor has no role to play but randomness increases i.e., randomness factor favours the process.

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