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adoni [48]
3 years ago
7

In an anatomy class, a student has been learning about the bones of the body. While taking a test, he needs to identify the ster

num, which is a thin, flat bone with bumpy edges.
Which bone is the sternum?
Chemistry
2 answers:
liberstina [14]3 years ago
4 0

Answer:

No doubt the answer is (A

Explanation:

I took the quiz! :D

storchak [24]3 years ago
3 0

Answer:

The term “flat bone” is somewhat of a misnomer because, although a flat bone is typically thin, it is also often curved. Examples include the cranial (skull) bones, the scapulae (shoulder blades), the sternum (breastbone), and the ribs. Flat bones serve as points of attachment for muscles and often protect internal organs.

HOPE THIS HELPS!!! :D

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What is the ph of a solution of 0.400 m k2hpo4, potassium hydrogen phosphate?
dusya [7]
When we can get Pka for K2HPO4 =6.86 so we can determine the Ka :

when Pka = - ㏒ Ka

          6.86 = -㏒ Ka 

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by using ICE table:

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initial      0.4 m            0         0

change     -X                +X       +X

Equ       (0.4-X)               X          X

when Ka = [H+][HPO4] / [H2PO4-]

by substitution:

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∴PH = -㏒[H+]

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