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【简答题】
如果一个系统从环境吸收了40 J的热,而系统的热力学能却增加了200 J,问系统从环境得到了多少功?如果该系统在膨胀过程中对环境作了10 kJ的功,同时吸收了28 kJ的热,求系统的热力学能变化值。
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【简答题】Directions: Complete the following sentence with a proper word from your textbook on P.58. Change the form if necessary. I made a promise to you and I (v.) to keep it.
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