... 100% thermalefficiency. This impossibility is the basis of the following statement of The second law of thermodynamics.2.1 “Engine” statement of the second law:“It is impossible for any system ... corner as at the beginning.So ΔS > 0 , entropy increases.We can conclude that entropy can use as aquantitative measure of the degree of disorderin a system.In the example, entropy increases, ... increases, at the sametime the degree of disorder of molecules increases also. Notice that the concepts of order/disorder have the meaning for systemswhich consist of a very large number of particles...