Chapter 01 hmwk & key terms 1120-both1-6

Chapter 01 hmwk & key terms 1120-both1-6 - CHM 1120...

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_ Erica Murray____________ Dr. Adams (1-06) (both) name Define these key terms . It is preferred that you use your own words when possible. These terms are in the approximate order that they have been presented in your textbook. You may have to refer to the Chapter #1 Lecture note document to find the meaning of sublimation and deposition. At the end of this document is a list of chapter #1 homework problems. These are found in the back of your textbook’s Chapter #1 (see page 29 of your textbook). Chemistry The study of matter and how it changes. Matter  occupies space and has mass Temperature of fusion point where solid and liquid states are both present; point where solid melts  to become a liquid  Sublimation  a phase change in which a solid goes directly into the gas phase Sublimation point the temperature at which a solid converts directly into a gas Deposition molecules settling out of a solution Pure substances an element or compound with a constant composition; always having the same  properties for each physical state regardless of its origin Mixtures  combination of different kinds of matter, in which the different kinds are not changed by being put  together. The parts of a mixture can be separated.
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Constancy of composition  a characteristic of elements and compounds that results in their having 
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Chapter 01 hmwk & key terms 1120-both1-6 - CHM 1120...

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