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protein molecules are polypetide chains are made up of amino acids in their phisologically functoning or...

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Chemistry

protein molecules are polypetide chains are made up of aminoacids in their phisologically functoning or native state thesechains fold in a unique manner such that the nonpolar groups of theamino acids are usually burired in the interior region of theproteins where there is little or no contact with water. when aprotein denatures the chain unfolds so that these non polar groupsare exposed to water. a useful estimate of the changes of thethermodynamic quantities as a result of denturation is to considerthe transfer of hydrocarbon such as methane from an invert solventto the aqueous enviroment:

a) CH4 => CH4 ​(g)

b) CH4​=> CH4 (aq)

if the values of delta H and delta G are approximately 2.0 kJ/mol and -14.5 kj/mol respectively for (a) and -13.5 kJ / mol and26.5 kJ/mol , respectively for b) calulate the values of delta Hand delta G for the transfer of 1 mole of CH4

​according to the equation

CH4 =>CH4 (aq)

comment on your results assume T = 298 k

Answer & Explanation Solved by verified expert
4.0 Ratings (557 Votes)
CH4 CH4g dG1 20 kJmol dH1 145 kJmol reaction 1 CH4g CH4aq dG2 135 kJmol dH2 265 kJmol reaction    See Answer
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