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posledela
3 years ago
10

Which would be an example of a compound? oxygen carbon dioxide sand carbon

Chemistry
1 answer:
GenaCL600 [577]3 years ago
4 0

Answer:

carbondioxide is an example of compound.

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What is the molarity of a solution that contains 87.75g of NaCI in 500.ml of solution
Brut [27]

Answer:

M = 3.0 mol/L.

Explanation:

  • We can calculate the molarity of a solution using the relation:

<em>M = (mass x 1000) / (molar mass x V)</em>

  • M is the molarity "number of moles of solute per 1.0 L of the solution.
  • mass is the mass of the solute (g) (m = 87.75 g of NaCl).
  • molar mass of NaCl = 58.44 g/mol.
  • V is the volume of the solution (ml) (V = 500.0 ml).

∴ M = (mass x 1000) / (molar mass x V) = (87.75 g x 1000) / (58.44 g/mol x 500.0 ml) = 3.0 mol/L.

6 0
3 years ago
A cluster of billions of atoms that all have magnetic fields lined up in the same way is known as a
satela [25.4K]

A cluster of billions of atoms that all have magnetic fields lined up in the same way is known as a

<span>The answer is letter C. Magnetic domain.</span>

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The region around a magnet where the magnetic force is exerted is known as its
The answer is letter C. Magnetic field.</span>
6 0
3 years ago
How does the smell of food being cooked spread so fast ???
sladkih [1.3K]

Answer:

When we cook food in the kitchen, that's the region of higher concentration of the smell. By diffusion, the smell spreads to the whole room and thereby whole house, so anyone standing at a distance, can smell it.

5 0
3 years ago
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Jolene wants to experiment with sugar cubes. Which of the following causes a sugar cube to only change physically, not chemicall
Ugo [173]
If you cut the cube and keep all the pieces you are causing only physical change
5 0
2 years ago
Behavioral therapy began with _______________.
Mrac [35]

Answer:

B

Explanation:

Behaviour therapy was popularized by the U.S. psychologist B.F. Skinner, who worked with mental patients in a Massachusetts state hospital.

3 0
2 years ago
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