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Rashid [163]
3 years ago
9

Is concrete a compound element or mixture?

Chemistry
1 answer:
alisha [4.7K]3 years ago
5 0
Concrete is a mixture. 
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1.9x10^23 atoms of sulfur to grams of sulfur
nevsk [136]

Answer:

see explanation and punch in the numbers yourself ( will be better for your test)

Explanation:

If you are given atoms you need to divide by Avogadro's number 6.022x10^23

then you will have moles of sulfur-- once you have moles multiply by the molar mass of sulfur to go from moles to grams

mm of sulfur is 32 g/mol

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3 years ago
Where do you think trees get the nutrients they need to grow?<br>I​
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The answer is the sun and water
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You work in a museum that has a huge, beautiful stamed-glass window: Each gamell dints the light a different coice. Recenty up a
borishaifa [10]

The plant that should be moved here to protect from malnourishment is plant 3. The correct option is C.

<h3>What is visible spectrum?</h3>

The visible light spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye. Simply put, this range of wavelengths is known as visible light.

The visible spectrum, also known as the optical spectrum, is the portion of the electromagnetic spectrum whose radiation consists of photons capable of sensitizing a normal person's human eye. The corresponding visible light radiation range is identified.

That being said, plant 3 is situated in front of a green stained glass window.

Plants have chlorophyll pigment that reflects back green light, making green light less effective for photosynthesis and causing them to die as quickly as if they were kept in the dark.

Thus, the correct option is C.

For more details regarding visible spectrum, visit:

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3 0
1 year ago
List of charge of elements that do not form compound easily​
adelina 88 [10]

Answer:

The highlighted words in the explanation.

Explanation:

A clue comes by considering the noble gas elements, the rightmost column of the periodic table. These elements—helium, neon, argon, krypton, xenon, and radon—do not form compounds very easily, which suggests that they are especially stable as lone atoms. What else do the noble gas elements have in common?

7 0
3 years ago
What would be the result of adding one proton to an atom
chubhunter [2.5K]

Answer:

Protons carry a positive electrical charge and they alone determine the charge of the nucleus. Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium.

i hope this helps!

5 0
3 years ago
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