Can somebody please help me with chemistry?Quickkk
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Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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Chemistry, 23.06.2019 07:30
If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?
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Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
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Chemistry, 23.06.2019 16:20
Which of the following subject areas contains questions that can be answered by science? alchemy ethics forensics politics
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Mathematics, 14.11.2019 18:31
Social Studies, 14.11.2019 18:31
Biology, 14.11.2019 18:31
Physics, 14.11.2019 18:31
Mathematics, 14.11.2019 18:31
English, 14.11.2019 18:31
Chemistry, 14.11.2019 18:31
Mathematics, 14.11.2019 18:31