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CHEM 309: Included General, Organic, and Neurological Chemistry: Early spring 2011

Test # a few

You have 1 hr to finish the exam – manage your time accordingly. A great ambiguous or perhaps illegible response is a wrong answer. Make sure you read the directions carefully since many questions have got several parts. Please will not begin till asked to accomplish this. __________________ print your name below

Pg # 3 (25 pts)

Pg # some (21 pts)

Pg # 5 (30 pts)

Pg # 6th (24 pts)

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1 . (4) If 12-15. 0 g of CaCl2 are present in 250 mL of aqueous solution. What is the focus in terms of: (Show work! ) a. (w/v)%

b. ppm

2 . (3) The serum concentration of phosphate ion (PO43-) for the patient can be 3. 0 mEq/L. Convert this focus to mmol/L. Show unit factor analysis.

3. (3) When zero. 50 cubic centimeters of a normal water sample was diluted to at least one. 0 L, the lead (Pb) content in this new solution was determined to become 7. 5 ppb. What was the business lead concentration inside the original drinking water sample? Demonstrate work!

four. (9) Point out whether each one of the following samples are isotonic, hypotonic or perhaps hypertonic compared to red blood cells. Anticipate the effect on the red bloodstream cell (crenation, hemolysis, or perhaps none ) that the following solutions could have: Sample 2% glucose answer 2% NaCl solution Pure H2O Isotonic/hypotonic/hypertonic? Crenation/hemolysis/none? hypotonic hypertonic hypotonic hemolysis crenation hemolysis

5. (6) Illustrate how a great artificial kidney separates waste products from blood?

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six. (3) Create a triglyceride from three or more units of stearic chemical p and one particular unit of glycerol.

several. (3) Foresee if the triglyceride is likely to be a great oil or perhaps fat. Describe.

8. (3)Why is a vegetal oil easier to break down than animal fat?

9. Answer the subsequent questions depending on Stearic acid: a. (1) Identify the kind of reaction in coordination 3 in the spiral. m. (1) Identify the type of response in step 2 of the spiral. c. (1) How many spirals (cuts) does the fatty acid go through when ever activated and undergoes assimilation?...

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