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nikdorinn [45]
2 years ago
6

What is the study of nature and the physical world using the scientific method

Chemistry
1 answer:
Gala2k [10]2 years ago
5 0
Really? Really!? IT'S SCIENCE!
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For a colligative property such as freezing point depression, :________
neonofarm [45]
A possible answer is b
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2 years ago
The amount of protein in a sample was measured by the sample's absorbance of light at a given wavelength. Using standards, a bes
FinnZ [79.3K]

Answer:

Protein Concentration is 2.82mg/L

Explanation:

According to Beer-Lambert's Law, Absorbance is directly proportional to the concentration.

However, the concentration of a solution can be determined from a calibration curve, in which Absorbance is plotted on the y-axis and the Concentration on the x-axis.

Plotting the best line, the equation of line is used

y = mx + c

where y is absorbance = 0.150

           m is slope = 0.0163

            x is concentration

             c is intercept = 0.104

inserting the values from the question

y = mx + c

0.150 = 0.0163x + 0.104

0.0163x = 0.150 - 0.104

0.0163x = 0.046

Divide both sides by 0.0163

0.0163x/0.0163 = 0.046/0.0163

x = 2.82

Concentration of protein = 2.82 mg/L

5 0
3 years ago
Is water used to test cheese for protein
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Answer:

yes

Explanation:

because it help the body hydrate

7 0
2 years ago
Which of these would provide the best evidence for the theory of evolution?
Nikolay [14]

C.

evolution is the change a species goes through

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In an inverse relationship, when one variable increases, the other____
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Answer: D

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In an inverse relationship as one increases one decreases or vice versa.

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