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Concentrations of Solutions (Section)The average adult

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 66E Chapter 4

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 66E

Problem 66E

Concentrations of Solutions (Section)

The average adult male has a total blood volume of 5.0 L. After drinking a few beers, he has a BAC of 0.10 (see Exercise). What mass of alcohol is circulating in his blood?

Exercise

The concentration of alcohol (CH3CH2OH) in blood, called the “blood alcohol concentration” or BAC, is given in units of grams of alcohol per 100 mL of blood. The legal definition of intoxication, in many states of the United States, is that the BAC is 0.08 or higher. What is the concentration of alcohol, in terms of molarity, in blood if the BAC is 0.08?

Step-by-Step Solution:
Step 1 of 3

Blood  5 liters of this liquid tissue in the body (1.5 gallons) o 8% of body weight  Temperature near 100 degrees F, higher than normal body temp, mechanism by which we change body temp o Increase- divert blood towards core o Decrease- divert more blood to the surface of our body and the blood is exchanged with the heat of the atmosphere o Mechanism of heat exchange  Functions o Delivers oxygen  Takes oxygen from the lungs to active cells- the electric acceptor to make ATP for energy and nutrients- to cells that need them o Transports metabolic wastes  Carries away waste from cells, most of the time CO2 o Transports hormones o Maintains body temperature o Maintains body pH  Blood contains buffers that will resist change to pH o Maintains fluid volume  Has components that prevent loss, clotting factors o Prevents infection  Components o Formed elements  Erythrocytes  Carry respiratory gases CO2 and oxygen  2 of the 5 liters of blood are RBC 45%  RBC no longer living cells, get rid of organelles now only a machine to carry oxygen  Leukocytes  WBC  5 different types all with unique functions  All true cells, have nuclei and cytoplas

Step 2 of 3

Chapter 4, Problem 66E is Solved
Step 3 of 3

Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

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Concentrations of Solutions (Section)The average adult