How does silicon shape our technological reality?

1 answer:

8 0

Silicons are used in our day to day technology products. It is used to use micro chips and motherboards and other components on nanotechnology.

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The prefix for one-millionth is micro-. True False

Annette [7]

This is true, i double checked!!

4 0

4 years ago

A solution was found to have a 15. 6 % transmittance at 500 nm, its wavelength of maximum absorption, using a cell with a path l

sleet_krkn [62]

The correct answer is 0.16138

Solution:

Percentage transmission (%T) of the sample = 15.6

Therefore, Absorbance (A) 2 – log (%T) = 2 – log (15.6) = 0.8069

Use Beer’s law:

A = ε*c*l where ε = molar absorptivity of the solution, c = concentration of the solution, and l = path length of the solution.

Given A = 0.8069 and l = 5.00 cm, we must have

0.8069 = ε*c*(5.00 cm)

ε*c = 0.16138 cm-1

For the next part, assume that ε*c remains constant and we have

A’ = ε*c*l’ where l = 1.00 cm.

Plug in values and write

A’ = (0.16138 cm-1)*(1.00 cm) = 0.16138

The ratio of the light intensity entering the sample to the light intensity exiting the sample at a particular wavelength is defined as the transmittance. Absorption and transmission are two related and different quantities used in spectroscopy. The main difference between absorption and transmission is that absorption measures how much incident light is absorbed as it travels through the material, while transmission measures how much light is transmitted.

Learn more about The absorbance here:-brainly.com/question/14919298

#SPJ4

7 0

2 years ago

Which of the following are monomers of the genetic material DNA?

gizmo_the_mogwai [7]

Answer:
Nucleotides are the monomers of DNA.

Explanation:
Nucleic Acids polymers (DNA and RNA) are made up of repeating called Nucleotides.
Nucleotides consist of following parts;

1) Nucleoside: Which is made up of 5-carbon sugar and a nitrogenous base. Colored in RED.

2) A Phosphate group. Colored in BLUE.