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lyudmila [28]
3 years ago
15

How can you demonstrate that helium takes up space?

Chemistry
1 answer:
dalvyx [7]3 years ago
3 0
A balloon can be filled with helium

 
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Which of the following steps correctly converts 3 moles of fluorine to an equivalent number of particles of fluorine? Divide Avo
Eva8 [605]

Answer:

Multiply 3 by Avogadro's number.

Explanation:

The mole can be defined as the amount of a substance that contains Avogadro’s number of particles, 6.02 x 10²³.

For elementary particles:

Number of particles=

number of moles x 6.02 x10²³

From the question,

Number of moles = 3moles

Number of particles = 3 x 6.02 x10²³

8 0
3 years ago
What is the movement of electricity called
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The movement of electricity is called a Current 

hope that helps 
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The integumentary system is an organ system consisting of the skin, hair, nails, exocrine glands, and sensory nerves. What is th
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7 0
3 years ago
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A sugar cube was placed into a beaker containing 100 mL of water at room temperature and completely dissolved into the water. Th
Bad White [126]

Answer:

Boil the water until it evaporates

Explanation:

If the water evaporates the sugar will no longer bond to it and then percipitate at the bottom of the beaker.

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Describe three advantages nuclear fusion would have over nuclear fission.
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3.) fusion reactors require very special conditions so the reactions terminate with something goes wrong
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