Do the following statements describe chemical or physical...

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Introductory Chemistry
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Chapter 2 / Exercise 54
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Name: David Birchfield College ID: Thomas Edison State University General Chemistry I (CHE-111) Section no.: Semester and year: Summer/2016 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.
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-homogenous mixture b. argon gas- element c. sucrose-compound d. air-compund e. dirt-heterogenous mixture f. a rusty iron nail g. ozone-molecule
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Introductory Chemistry
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Chapter 2 / Exercise 54
Introductory Chemistry
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