Chemistry, 09.03.2021 20:20 lorrainelopez

Which of the following is the best hypothesis? A. Some chemical reactions absorb heat, and others release heat. O B. Tearing a piece of paper is an example of a physical change. O C. Physical changes are much less interesting to watch than chemical changes. O D. If sodium carbonate is added to vinegar, the reaction will absorb heat.

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Which of the following is the best hypothesis? A. Some chemical reactions absorb heat, and others re...