Chemistry, 20.07.2019 01:00 4300252063
This flask originally held some copper wire and a clear solution of nitric acid. the two substances reacted and produced a brown gas and a blue solution. this reaction cannot be reversed. this reaction is a reaction. a) nuclear b) chemical c) physical d) none of these changes are occurring
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In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit
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This flask originally held some copper wire and a clear solution of nitric acid. the two substances...
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