CH»-CH-CH2-CH:-CH2-CHz-CHz-CH2-CH2-CH2-CH:-CH2-CH2-CH:-CH2-CH:-CH:-CH:-CH2-CECH CHEC-(CH2)16 -CH3 Butyne 1-Nonene CH, Суclooctane CH3-(CH2)17-CH) CH;=CH-CH;-CH;-CH2-CH;-CH;-CH;-CH2-CHạ-CH;-CH2-CH;-CH;-CH;-CH;-CH;-CH;-CH2-CH,

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Physical State of Unbranched Hydrocarbons 

Procedure: 

  1. In the activity sheet, ENCIRCLE the compound if it is a gas, UNDERLINE the compound if it is a  liquid, and BOX the compound if it is solid at room temperature. 

  2. Unbranched alkanes and unbranched alkenes or alkynes with only one or triple bond containing 1 to  4 carbon atoms (C1-C4) are GASES at room temperature. 
  3. Unbranched alkanes and unbranched alkenes or alkynes with only one or triple bond containing 5 to  17 carbon atoms (C5-C17) are LIQUIDS at room temperature. 
  4. Unbranched alkanes and unbranched alkenes or alkynes with only one or triple bond containing 18  or more carbon atoms (≥ C18) are SOLIDS at room temperature.

 

CH3CH2CH– It is a GAS because it is an unbranched alkane containing 3 carbon atoms. 

1-Hexene – It is a LIQUID because it is an unbranched alkene containing 6 carbon atoms (if you will  illustrate the structure) with only one double bond. 

CHC-(CH2)16 -CH– It is a SOLID because it is an unbranched alkyne containing 19 carbon atoms  with only one triple bond.  

  1. Unbranched cycloalkanes and unbranched cycloalkenes with only one double bond containing 3 to 4  carbon atoms (C3-C4) are GASES at room temperature. 
  2. Unbranched cycloalkanes and unbranched cycloalkenes with only one double bond containing 5 to 8  carbon atoms (C5-C8) are LIQUIDS at room temperature. 
  3. Unbranched cycloalkanes and unbranched cycloalkenes with only one double bond containing 9 or  more carbon atoms (≥ C9) are SOLIDS at room temperature. 

Example: 

Cyclopropane - It is a GAS because it is an unbranched cycloalkane containing 3 carbon atoms. 

Cyclohexene - It is a LIQUID because it is an unbranched cycloalkene containing 6 carbon atoms  with only one double bond. 

Cyclodecane - It is a SOLID because it is an unbranched cycloalkane containing 10 carbon atoms. 

Cyclononene It is a SOLID because it is an unbranched cycloalkene containing 9 carbon atoms with  only one double bond. 

(Note: We will not include Cycloalkynes because they are unstable and rarely found in nature) 

B. Physical State of Unbranched Hydrocarbons.
H H H H
HC
II CH2
HC
Сyclobutane
-C-C-C-H
HHH H
H,C-
CH;CH:CH;
CH
Methane
Сyclononane
1-Нохene
CH-CHz-CH2-CH2-CH2-CH:-CH2-CH2-CH2-CH:-CH2-CH2-CH2-CH2-CH2-CH2-CH:-CH2-CH2-CECH
CHEC-(CH2)16 -CH
Butyne
Transcribed Image Text:B. Physical State of Unbranched Hydrocarbons. H H H H HC II CH2 HC Сyclobutane -C-C-C-H HHH H H,C- CH;CH:CH; CH Methane Сyclononane 1-Нохene CH-CHz-CH2-CH2-CH2-CH:-CH2-CH2-CH2-CH:-CH2-CH2-CH2-CH2-CH2-CH2-CH:-CH2-CH2-CECH CHEC-(CH2)16 -CH Butyne
CH-CH:-CH:-CH:-CH:-CH:-CH:-CH:-CH2-CH:-CH:-CH:-CH2-CHs-CH2-CH2-CH:-CH:-CH2-CECH
CHEC-(CH2)16 -CH3
Butyne
1-Nonene
CH
HC
Суclooctane
CH3-(CH2)17-CH3
CH:=CH-CH2-CH2-CH2-CHz-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH,
Transcribed Image Text:CH-CH:-CH:-CH:-CH:-CH:-CH:-CH:-CH2-CH:-CH:-CH:-CH2-CHs-CH2-CH2-CH:-CH:-CH2-CECH CHEC-(CH2)16 -CH3 Butyne 1-Nonene CH HC Суclooctane CH3-(CH2)17-CH3 CH:=CH-CH2-CH2-CH2-CHz-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH,
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