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Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 23:00, SophieCasey
What is the oxidation state of each individual carbon atom in c2o42−?
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What is the balance of S8+Br2=S3Br7...
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