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2 years ago

Why is the wavelength of 633 nm used to analyze the standard solutions and drink samples?

Chemistry

1 answer:

RUDIKE [14]2 years ago

6 0

Answer:

Corresponding with orange light, is the wavelength that blue solutions absorb the most.

Explanation:

If light is diffused through a solution of a given color, emerges of light from another wavelength is consumed and fades away. However, the wavelength of light relating to the color of such a solution is transferred. The color of the light is consumed is usually the contrasting one being transferred. As seen in a color wheel where, blue complement orange, red complement green, and yellow complement violet.

Thus, for a blue substance in solution, its complementary color is said to be orange, Given that the wavelength of orange color varies from 600 - 640 nm where it's maximum absorbance is approximately 633 nm. This wavelength is what is employed when analyzing the standard solutions and drink samples.

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Coefficients are used in a chemical formula to show the number of each element. True or False

ANTONII [103]

Answer:

The same number of each element present before the reaction takes place must also be present on the product side of the equation. Coefficients are placed in front of a chemical formula to show the number of moles of that substances that are necessary for the reaction to occur.

Explanation:

5 0

3 years ago

Heat energy is _____ when it moves from one room to another.

MArishka [77]

Hello,

Thanks for posting your question here on brainly.

There are 3 ways heat energy can move:<span> Radiation, conduction, and convection.
</span>
However, your answer to this is most likely conduction

hope this helps:)

please let me know if it's correct.

6 0

3 years ago

Which molecule has the greatest difference in electronegativity (DE) between the two different elements? A. CO_2 B. H_2S C. NH_3

Natalka [10]

Answer:

Water has the greatest ΔEN

ΔEN H₂O → 3.4 - 2.1 = 1.3 Option D.

Explanation:

We should find the Electronegativity data in the Periodic table for all the elements:

C : 2.6

O: 3.4

H: 2.1

S: 2.6

N: 3.0

a. ΔEN CO₂ → 3.4 - 2.6 = 0.4

b. ΔEN H₂S → 2.6 - 2.1 = 0.5

c. ΔEN NH₃ → 3 - 2.1= 0.9

d. ΔEN H₂O → 3.4 - 2.1 = 1.3

3 0

3 years ago

A variable is something that can never be changed in an experiment. <br> False<br> True

Agata [3.3K]

I’m pretty sure it true

3 0

3 years ago

How many moles of gold are there in 14.2×1023 atoms of gold?

timofeeve [1]

Answer : The correct answer is 2.36 mol of gold

1 mole of any element have 6.022 x 10²³ number of atoms ( Avogadro's number).

So the formula relating mole and number of atoms is given as :

$Mole = \frac{given number of atom }{ 6.022 * 10^2^3 atom} * 1 mol$

Plugging value in formula :

$Mole = \frac{14.2 *10^2^3 }{6.022 x10^2^3} * 1 mol$

Mole of gold = 2.36 mol

4 0

3 years ago

Read 2 more answers