Author Question: What two oxidation states are more frequently observed in the first transition series than in the ... (Read 36 times)

danielfitts88

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What two oxidation states are more frequently observed in the first transition series than in the third?
 
  A) +3 and +7
  B) +2 and +3
  C) +2 and +7
  D) +5 and +6
  E) +3 and +5

Question 2

Determine the pOH of a 0.10 M aqueous solution of KF. For hydrofluoric acid, Ka = 7.0  10-4.
 
  A) 1.00
  B) 5.92
  C) 8.08
  D) 5.01
  E) 1.58


vish98

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Answer to Question 1

B

Answer to Question 2

B



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vish98

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Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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