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3 years ago

Which color of light is diffracted at a greater angle from a diffraction grating, red or yellow?

1 answer:

3 0

The color of light that will be diffracted at a greater angle from a diffracting grating is THE YELLOW COLOR.
This is because, the degree of diffraction depend on the wavelength of light and light color with shorter wavelength are diffracted at a larger angle than those with longer wavelengths. The wavelength of the yellow color is much more smaller than that of the red color.

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Which relationship below is an example of a predator-prey relationship? OA. A coyote eats a hen. OB. A rabbit eats grasses. O C.

Lostsunrise [7]

Answer:

Explanation: A wolf is a predator and a hen is prey.

8 0

3 years ago

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Write a balanced half-reaction describing the reduction of aqueous iron(III) cations to aqueous iron(II) cations.

melamori03 [73]

Answer:

The answer to your question is:

Explanation:

Iron (III) ⇒ Iron (II)

Fe⁺³ + 1e⁻ ⇒ Fe⁺²

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3 years ago

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PLEASE HELP <br> What is the pH of a weak acid solution that has an [H+] of 2.1 × 10^–6 M

sveticcg [70]

Answer:

pH ( potential Hydrogen ) is a negative logarithm of molar concentration of hydrogen ions.

$pH = - log[H {}^{ + } ]$

therefore:

$pH = - log(2.1 \times {10}^{ - 6} ) \\ { \boxed{pH = 5.68}}$

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3 years ago

Suppose you wanted to measure the amount of DDT in a food chain. Which animals in the food chain would you measure? Explain your

katen-ka-za [31]

The fish is the first organism that would be tested and measured for DDT as it pass on the DDT to the upward trophic level in food chain. After that predators will be checked for DDT concentration.

Explanation:

DDT level in the organism gets increase as it moves upward in the trophic level.

Toxins as DDT gets incorporated to fats and tissues of the organism. It gets soluble in fats.

The highest concentration of DDT is observed in tertiary consumers as carnivore.

It can be seen that DDT concentration is more in producers than primary consumers. With the process of biomagnification the concentration of DDT increases at successive levels.

In aquatic food chain pesticides or heavy metals are consumed by aquatic organsims which are consumed by large birds and human. The DDT level will be checked in fish then birds and humans.

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3 years ago

Is na2S an ionic compound,covalent compound,or acid

liq [111]

Na2S

Na is a metal, S is a non-metal, so Na2S is an ionic compound.

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3 years ago