In this experiment, 0.070 g of caffeine is dissolved in 4.0 ml of water. the caffeine is then extracted from the aqueous solution three times, each time using 2.0 ml fresh methylene chloride. calculate the total amount of caffeine that can be extracted into the three portions of methylene chloride (caffeine has a distribution coefficient of 4.6 between methylene chloride and water).
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Chemistry, 22.06.2019 02:40
For a patient with the following pes statement and interventions, which would be the most appropriate monitoring and evaluating data? pes statement: inadequate calcium intake related to food and nutrition related knowledge deficit as evidenced by statements that the only dietary source of calcium is milk and she believes that she is lactose intolerant. patient’s nutrition prescription is for a diet providing 1200 mg calcium per day. patient was provided with in-depth nutrition education on alternative dietary and supplement sources of calcium. a. calcium intake (at subsequent visit) b. knowledge assessment by asking patient to identify food sources from menus and shopping list (at the end of the current visit) c. serum calcium (at next visit) d. both a and b e. both a and c
Answers: 2
Chemistry, 22.06.2019 04:00
4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal
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Chemistry, 23.06.2019 00:30
What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community
Answers: 2
Chemistry, 23.06.2019 01:30
The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated
Answers: 1
In this experiment, 0.070 g of caffeine is dissolved in 4.0 ml of water. the caffeine is then extrac...
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