CHE-111-OL Written Assignment 1.docx - Thomas Edison State University General Chemistry I(CHE-111 Section no Semester and year April 2017 Written

CHE-111-OL Written Assignment 1.docx - Thomas Edison State...

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Thomas Edison State UniversityGeneral Chemistry I (CHE-111)Section no.:Semester and year: April 2017Written 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. PHYSICALb.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)(Reference: Chang 1.31)
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  • Summer '14
  • Chemistry, Homework, Chemical substance, Chemical compound, Physical property, Thomas Edison State College, Edison State University, Che-111

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