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人教版高中生物必修3《稳态与环境》第五章生态系统及其稳定性,有这样一道书后习题:“将一块方糖放入水中,方糖就会立即溶解,消失得无影无踪。溶解在水中的方糖还能再自行变回原来的形状吗?为什么?”答案是:“不能。在一个封闭的系统中,物质总是由有序朝着无序的方向(熵增加)发展。”
People’s Education Edition of high school biology compulsory 3 “Steady State and Environment” Chapter V ecosystem and its stability, there is such a book after exercise: “Put a piece of sugar into the water, sugar will dissolve immediately, disappeared without a shadow No trace. Can the sugar dissolved in water change its shape back to its original shape? Why? ”The answer is: “ In a closed system, matter always moves in an orderly and unordered direction (Increase in entropy) development. ”