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UO / Chemistry / CH 221 / Define the features of the states of matter.

Define the features of the states of matter.

Define the features of the states of matter.

Description

School: University of Oregon
Department: Chemistry
Course: General Chemistry I
Professor: Deborah exton
Term: Fall 2016
Tags: Chemistry
Cost: 50
Name: CH 221 Exam 1 Study Guide
Description: Chapter 1
Uploaded: 10/18/2016
2 Pages 39 Views 1 Unlocks
Reviews


Adeline Fecker


Define the features of the states of matter.



October 14th, 2016

CH 221 Exam #1: Study Guide

Vocabulary in Chapter 1

Very important terms are in bold

Conceptual Understanding

Defining features of the states of matter

Solid (fixed, rigid shape, does not conform)

Liquid (varying shape, conforms to container, has upper surface)

Gas (varying shape, fills entire container, no surface) 1

Rectangular

Randomly arranged

Randomly

3D shape

Move fluidly

arranged

Close together

Close together

Move freely

Clear

Disorganized

Spread out

organization

Disorganized

Distinction between physical and chemical changes/properties

Physical properties characteristics a substance shows by itself without changing into or interacting with another substance Ex. Ice (solid)-------Water (liquid)

Chemical properties characteristics a substance shows as it changes into or interacts with another substance(s) Ex. Water + electric current = hydrogen + oxygen

Physical changes: No change in composition

Chemical changes: Change in composition (substance becomes a different substance)


What is the distinction between physical and chemical changes/properties?



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1 http://www.sparknotes.com/testprep/books/sat2/chemistry/chapter5.rhtml

Nature of potential and kinetic energy

Potential energy- The energy due to the position of the object relative to other objects

Kinetic energy- The energy due to the motion of an object

1. When energy is converted from one form to the other, it is consumed not destroyed

2. Situations of lower energy are favored over situations of high energy

Process of the scientific method

Memorize SI Units and prefixes

Distinguish between intensive and extensive properties

Rules for significant figures and rounding

Accuracy vs. Precision

Define characteristics of elements,

compounds and mixtures

Understanding the three mass laws

Postulates of Dalton’s atomic theory

Discovery of atomic structure

Parts of an atom

Format of the periodic table and location of major groups

Determining ionic vs covalent compounds

Difference between empirical and molecular formulas


Distinguish between intensive and extensive properties.



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