Determine the structures of the molecules described in the following problems. Also note, in the combustion of N containing compounds, N2(g) is made. Using your understanding of bond enthalpies, predict the enthalpy change associated with the conversion of the amino acid lysine to cadaverine (and any other by-products of the reaction). You will need to have a balanced chemical reaction to do this. Assume that the reaction occurs in the gas phase. Using heats of formation, estimate the enthalpy change at standard conditions associated with the addition of water to the dipeptide Ala-gly to form alanine and glycine. The tripeptide Gly-his-lys is a copper binding tripeptide. Using bond enthalpies, predict the enthalpy of the reaction for forming this tripeptide from the three amino acids. Following this, predict its enthalpy of formation (using the enthalpies of formation for each of the amino acids).

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Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 44E: Although the gas used in an oxyacetylene torch (Figure 5.7) is essentially pure acetylene, the heat...

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Determine the structures of the molecules described in the following problems. Also note, in the combustion of N containing compounds, N₂(g) is made.

Using your understanding of bond enthalpies, predict the enthalpy change associated with the conversion of the amino acid lysine to cadaverine (and any other by-products of the reaction). You will need to have a balanced chemical reaction to do this. Assume that the reaction occurs in the gas phase.

Using heats of formation, estimate the enthalpy change at standard conditions associated with the addition of water to the dipeptide Ala-gly to form alanine and glycine.

The tripeptide Gly-his-lys is a copper binding tripeptide. Using bond enthalpies, predict the enthalpy of the reaction for forming this tripeptide from the three amino acids. Following this, predict its enthalpy of formation (using the enthalpies of formation for each of the amino acids).

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