Question 14 20 pts Question 7: Based on descriptions given, characterize these are chemical reactions or a physical changes. A. Two liquids are mixed together and a precipitate forms. - B. Carbon dioxide goes through deposition to form dry ice. C. Red and yellow paint are mixed to make orange. - D. Marshmallows are toasted. - E. Baking soda and vinegar are mixed and bubbles form. F. List 5 evidences of a chemical reaction
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Chemistry, 22.06.2019 00:00
Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances
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Chemistry, 22.06.2019 22:40
Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent
Answers: 1
Question 14 20 pts Question 7: Based on descriptions given, characterize these are chemical reaction...
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