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恩格斯把自然界物质运动形态归为四类,其中之一,就是化学运动。化学过程既然是一种运动,就必然同时伴随着能量的改变。以298K(25℃)时,N_2、H_2在密闭容器中,反应生成NH_3
Engels classified the physical movement forms of the natural world into four categories. One of them is the chemical movement. Since the chemical process is a kind of movement, it must be accompanied by changes in energy. At 298K (25°C), N_2 and H_2 are in a closed container and the reaction produces NH_3