Does each of the following describe a physical change or a chemical change? (a) The helium gas inside a balloon tends to leak out after a few hours. (b) A flashlight beam slowly gets dimmer and finally goes out. (c) Frozen orange juice is reconstituted by adding water to it. (d) The growth of plants depends on the suns energy in a process called photosynthesis. (e) A spoonful of table salt dissolves in a bowl of soup.
Does each of the following describe a physical change or a
Problem 1.12 Chapter 1
Chemistry: A Molecular Approach | 3rd Edition
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