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pav-90 [236]
3 years ago
9

how would you prepare an absportion spectrum for a purified soltion of b-carotene dissolved in acetone using the materials and e

quipment outlined in the lab manual
Business
1 answer:
Roman55 [17]3 years ago
5 0

Answer:

Use a series dilution

Explanation:

The rationale behind the experiment is that the different substances absorb light at different wavelengths. To prepare an absorption spectrum for a purified solution of b-carotene dissolved in acetone, firstly, the \beta -carotene needs to be diluted enough to reach the light spec in the 20 tube. This will be done through a series of serial dilutions of a known concentration of the chlorophyll component. The bankmill will consist of acetone only and 1 blank will be needed. The range of the wavelength would be in the range of 400 - 700 nm. So, the intervals of 20 nm will suffice. Then, the OD for each wavelength will be used to determine the adsorption.

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A physician unfairly bills a patient. What tort violation is this?
AnnyKZ [126]

Answer:

The physician would be doing Malpractice.

4 0
3 years ago
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When Job 117 was completed, direct materials totaled $4,400; direct labor, $5,600; and factory overhead, $2,400. A total of 1,00
DaniilM [7]

Answer:

d.$12.40

Explanation:

The computation of the  per unit cost is shown below:

= Total cost ÷ Number of units produced

where,

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And, the units produced = 1,000 units

So per unit cost equal to

= $12,400 ÷ 1,000 units

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3 0
3 years ago
Interest rates and the price of old or existing bonds are a. directly related. b. independent of each other. c. inversely relate
STALIN [3.7K]

Answer:

Option C, “inversely related” is the correct answer.

Explanation:

Option “C” is the correct answer because if the interest rate on the bonds falls then its demand rises. Thus, its rising demand will derive up the price of bonds. If the interest rate rises then the demand for bonds will fall and this will reduce the price of bonds. Therefore, this condition shows the inverse relationship between the interest rate and bond price

7 0
3 years ago
The following chart represents the schedule of workers and wages for an ice cream shop. Considering that this is a perfect compe
Ronch [10]

Answer:

3 workers

Explanation:

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When 3 workers are employed,

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salary paid = $25*3 = $75

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