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The rules of engagement (roe) working group is often used to (select all that apply.)
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How are isotopes of the same chemical element alike? how are they different?
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If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
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Which of the following cannot be classified as a substance? a. table salt c. nitrogen b. air d. gol...
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