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Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
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Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10
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What is the value for the reaction: n2(g) + 2 o2(g) --> n2o4(g) in terms of k values from the r...
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