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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.
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Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
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Please help I need a answer to both
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