CHE-111 WA #1 - Name Chad McSwain College ID 0518281 Thomas Edison State College General Chemistry I(CHE-111 Section no:1 Semester and year March 2014

CHE-111 WA #1 - Name Chad McSwain College ID 0518281 Thomas...

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Name: Chad McSwainCollege ID: 0518281Thomas Edison State CollegeGeneral Chemistry I (CHE-111)Section no.:1Semester and year: March, 2014Written Assignment 1: Introduction and MeasurementAnswer all assigned questions and problems, and show all work. 1.Do the following statements describe chemical or physical properties? (10 points)a.Oxygen gas supports combustion.- chemicalb.Fertilizers help to increase agricultural production.-physicalc.Water boils below 100°C on top of a mountain.-chemicald.Lead is denser than aluminum.-physicale.Uranium is a radioactive element.-physical(Reference: Chang 1.11)2.Classify each of the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: (7 points)3.Express the answers to the following calculations in scientific notation: (12 points)
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  • Chemistry, Chemical substance, Chemical compound

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