Chemistry, 04.02.2020 00:04 stephen4438
When you expose a wet iron nail (fe) to the oxygen in air (o2), you will notice that rust, or iron oxide (fe3o4), forms on its surface. which of the following statements is true?
a. the elements iron in the nail and oxygen from the air combine to form the compound rust.
b. the compounds iron in the nail and oxygen from the air combine to form the element rust.
c. the elements rust in the nail and oxygen from the water combine to form the compound iron.
d. the elements iron in the nail and oxygen combine to form the mixture rust.
Answers: 1
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For part 1, describe the changes in the colors of the well, if any, as you go from well 1 to well 9—that is, as you go from the well with the least copper(ii) nitrate to the well with the most copper(ii) nitrate. which wells had the most distinct precipitate? for part 2, describe the changes in the colors of the well, if any, as you go from well 1 to well 9—that is, as you go from the well with the least iron(ii) sulfate to the well with the most iron(ii) sulfate. which wells had the most distinct precipitate? for part 3, describe the changes in the colors of the well, if any, as you go from well 1 to well 9—that is, as you go from the well with the least iron(iii) nitrate to the well with the most iron(iii) nitrate. which wells had the most distinct precipitate?
Answers: 3
When you expose a wet iron nail (fe) to the oxygen in air (o2), you will notice that rust, or iron o...
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