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# LeChatelier's Principle and Hydrogen Bonding

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3.
Utilizing Le chatelier's principle, indicate the shift (if any) that would occur to
C2H6+heat =C2H4+H2 (explain your reasons)
a if C2H6 is removed from the system
b if the volume of the container is increased
c if the temperature is raised
4.
Consider the following system at equilibrium N2+ 3H2=2NH3+ 92.5kJ
complete the table that follows, indicate changes in moles by entering I,D,N or ? in the table. (I=increase , D=decrease N=no change,?=insufficient information to determine)

change of stress direction of reaction change in number of
moles
imposed on the system at
equilibrium left or right to reestablish
equilibrium N2 H2 NH3

b increase volume of reaction vessel
d add both H2 and NH3

11.
In which of the following substances would you expect to find hydrogen bonding? Explain your reason.
a) C2H6
b) NH3
c) H2O
d) HI
e) C2H5OH
for each of the compounds that forms hydrogen bonds draw a diagram of the two molecules using a dotted line to indicate where the hydrogen bonding will occur.

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#### Solution Summary

A number of problems are presented and explained. The problem helps predict the direction of an equilibrium based on changes to a closed system and which molecules will hydrogen bond with diagrams

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