Which of the following processes are spontaneous and which are non-spontaneous?
Reverse osmosis.

Which of the following processes are spontaneous and which are non-spontaneous ? (i) Flow of air from high pressure to low pressure. (ii) Formation of ice in a refrigerator. (iii) Spreading of a drop of ink in water kept in a beaker. (iv) Reverse osmosis. (v) Burning of coal in air. (vi) Dissolution of Cu in ZnSO_4 solution.

Which of the following processes is a non-spontaneous process?

Which of the following processes is reversible?

For a process to be spontaneous :

Which of the natural process is spontaneous

Which of the following reaction does not occur spontaneously?

Which of the following proces is (are) expected to be spontaneous at higher temperature but non-spontaneous at lower temperature?

Which of following factor always increases for spontaneous process

Which of the following reaction is spontaneous oxidation - reduction reaction

Which of the following conditions may lead to a non-spontaneous change?