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Which statement correctly describes a chemical reaction? a. reactants come out of a reaction. b. energy is always released. c. bonds between atoms break and new bonds form. d. products go into a reaction.
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Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Chemistry, 22.06.2019 09:30, kevinh2683
Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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