Chemistry - Writing Assignment 1 (1).docx - Name Gisselle Mealia College ID 0654015 Thomas Edison State University General Chemistry I(CHE-111 Section

Chemistry - Writing Assignment 1 (1).docx - Name Gisselle...

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Name: Gisselle Mealia College ID: 0654015 Thomas Edison State University General Chemistry I (CHE-111) Section no.: OL009 Semester and year: October 2018 Written Assignment 1: Introduction and Measurement Answer 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. b.Fertilizers help to increase agricultural production. c.Water boils below 100°C on top of a mountain. d.Lead is denser than aluminum. e.Uranium is a radioactive element. 2.Classify each of the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture: (7 points) a. water from a well -Compound b. argon gas -Element c. sucrose -Compound d. air -Heterogeneous mixture e. dirt -Heterogeneous mixture f. a rusty iron nail -Compound g. ozone -Compound
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