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Get Full Access to Fundamentals Of General, Organic, And Biological Chemistry (Mastering Chemistry) - 8 Edition - Chapter 1 - Problem 1.53
Get Full Access to Fundamentals Of General, Organic, And Biological Chemistry (Mastering Chemistry) - 8 Edition - Chapter 1 - Problem 1.53

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ISBN: 9780134015187 2044

## Solution for problem 1.53 Chapter 1

Fundamentals of General, Organic, and Biological Chemistry (Mastering Chemistry) | 8th Edition

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Fundamentals of General, Organic, and Biological Chemistry (Mastering Chemistry) | 8th Edition

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Problem 1.53

The atmosphere consists of a number of permanent gases: oxygen $$\left(\mathrm{O}_{2}\right)$$, nitrogen $$\left(\mathrm{N}_{2}\right)$$, carbon dioxide $$\left(\mathrm{CO}_{2}\right)$$, water vapor $$\left(\mathrm{H}_{2} \mathrm{O}\right)$$, and argon (Ar). Identify each substance as an element or a compound. Would you consider the atmosphere to be a heterogeneous or a homogeneous mixture?

Text Transcription:

O_2

N_2

CO_2

H_2O

Step-by-Step Solution:
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The Nervous System I. General Layout of the Nervous System A. Divisions 1. Central Nervous System (CNS) a. located in skull and spine b. brain and spinal cord 2. Peripheral Nervous System (PNS) a. outside skull and spine b. 2 divisions 1. Somatic Nervous System a) interacts with external environment b)afferent nerves carry info to CNS c) efferent nerves carry info from motor neurons to skeletal muscles 2. Autonomic Nervous System (ANS) a) regulates internal environment b) afferent nerves carry info from internal organs to CNS c) efferent nerves carry info from CNS to internal organs d) 2 divisions 1. Sympathetic Nervous System – running from a bear 2. Parasympathetic Nervous System – you got away from the bear, now let’s get back to normal! c. 31 pairs of spinal nerves d. 12 pairs of cranial nerves *A SYSTEM OF 2’S Nervous System CNS PNS Brain Spinal Cord Autonomic

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