【Daily Question Question 282】October 10, 2017
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【Daily Question No. 282】October 10, 2017: For an object to change from cold to hot, it must ( ); to change from hot to cold, it must ( ). Fill in the blanks (unless otherwise specified, each question and answer is based on the hydrogenation unit.) ) The answer to the daily activity question has changed; today’s answer will be shown in subsequent questions. For management purposes, if you need to view content from a few days ago, please go through the summary post below. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html (Source: Haichuan Chemical Industry Forum)
For an object to change from cold to hot, it must (absorb heat); to change from hot to cold, it must (release heat).
For an object to change from cold to hot, it must (absorb heat); to change from hot to cold, it must (release heat)
For an object to change from cold to hot, it must (absorb heat), and to change from hot to cold, it must (release heat).