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EleoNora [17]
4 years ago
6

Dan states that a certain layer of the sun is like the brightest street lamp in a city. Which layer of the sun is Dan referring

to? Chromosphere Convective zone Photosphere Radiative zone
Chemistry
2 answers:
sdas [7]4 years ago
8 0

Answer:

He is referring to the chromosphere

Explanation:

Verizon [17]4 years ago
8 0

Answer: Chromosphere

Explanation: took the test and got it right :)

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Based on the dilution formula, 0.1 mL of the stock solution of the enzyme is required to prepare a 50-fold diluted enzyme in 0.01 M HCl.

<h3>How can 50-fold dilution of the enzyme be done?</h3>

The 50-fold dilution of the stock enzyme solution can be done by using the dilution formula to determine the given volume of the stock solution required.

The dilution formula is given below:

  • C1V1 = C2V2

where:

  • C1 = Initial concentration of enzyme
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  • V1 = Initial volume
  • V2 = Final volume

From the given data for the enzyme dilution;

C1 = 1

C2 = 1/50 = 0.02

V1 = x

V2 = 5 ml

Making V1 subject of formula in the dilution formula:

V1 = C2V2/C1

V1 =  0.02 * 5/1 = 0.1 mL

Therefore, 0.1 mL of the stock solution of the enzyme is required to prepare a 50-fold diluted enzyme in 0.01 M HCl.

Learn more about dilution at: brainly.com/question/24709069

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A reaction of a hydrocarbon, in which carbon dioxide and water are produced, is classified as a
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This is a combustion reaction. Any reaction in which a hydrocarbon decomposes into carbon dioxide and water is classified as combustion. The energy used for the decomposition usually comes from intense heat, which is why combustion of a hydrocarbon almost always is associated with a source of fire.
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