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CHEM-121_Written Assignment 1 - Thomas Edison State College...

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Thomas Edison State CollegeGeneral Chemistry I with Labs (CHE-121)Section no.:OL009Semester and year: Feb. /2015Written 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.Chemical propertyb.Fertilizers help to increase agricultural production.Chemical propertyc.Water boils below 100°C on top of a mountain.Physical propertyd.Lead is denser than aluminum. Physical propertye.Uranium is a radioactive element. Chemical property(Reference: Chang 1.11)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:A homogeneous mixtureb.argon gas: An elementc.sucrose: A compoundd.air:A homogeneous mixturee.dirt: A heterogeneous mixturef.a rusty iron nail: A heterogeneous mixtureg.ozone: A compound

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Term
Spring
Professor
Khurana
Tags
Chemistry, Chemical substance, Chemical compound, Thomas Edison State College
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
General Chemistry
The document you are viewing contains questions related to this textbook.
Chapter 1 / Exercise 1.100
General Chemistry
Ebbing/Gammon
Expert Verified

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