The heat required to sustain animals that hibernate comes from the biochemical oxidation of fatty acids, one of which is arachidonic acid whose. combustion (unbalanced) is shown below: + O₂(g) CO₂(g) + H₂O(1) Standard molar enthalpy of formation of arachidonic acid is -636 kJ mol-¹. Given : C(s) + O₂(g) → CO₂(g), AH = -393.5 kJ (mol CO₂)-¹ OH 2H₂(g) + O₂(g) → 2H₂O(l), AH = -571.6 (mol O₂)-1 Calculate the mass of arachidonic acid needed to warm a 500 kg bear from 5°C to 25°C. Assume that the average heat capacity of bear flesh is 4.18 Jg-¹ k-¹.

The heat required to sustain animals that hibernate comes from the biochemical oxidation of fatty acids, one of which is arachidonic acid whose. combustion (unbalanced) is shown below: + O₂(g) CO₂(g) + H₂O(1) Standard molar enthalpy of formation of arachidonic acid is -636 kJ mol-¹. Given : C(s) + O₂(g) → CO₂(g), AH = -393.5 kJ (mol CO₂)-¹ OH 2H₂(g) + O₂(g) → 2H₂O(l), AH = -571.6 (mol O₂)-1 Calculate the mass of arachidonic acid needed to warm a 500 kg bear from 5°C to 25°C. Assume that the average heat capacity of bear flesh is 4.18 Jg-¹ k-¹.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Thermochemistry and Stoichiometry
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