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patriot [66]
3 years ago
10

Select all that apply.

Chemistry
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0
I say <span>A solid can diffuse into both a liquid and another solid. </span>
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Which could describe the motion of an object? Select 3 correct answers. distance = 10 meters and displacement = 1 meter distance
Anit [1.1K]

Answer:

The three correct statements which could describe the motion of an object are:

<u><em /></u>

  • <u><em>distance = 10 meters and displacement = 1 meter </em></u>
  • <u><em>distance = 10 meters and displacement = 0 </em></u>
  • <u><em>distance = 10 meters and displacement = 10 meters</em></u>

Explanation:

<em>Motion</em> is the change of position of an object along any path. As such, the path can be rectilinear or along a curve whose direction is variable.

Two important characteristics used to describe a motion are the length of the path traveled and the final distance from the starting point.

The length of the path traveled is what distance describes. The final distance from the starting point to the final point is what displacement describes.

The maginitude of the displacement is the difference between the final position and the starting position.

When the path traveled is rectilinear, the distance and the magnitude of the displacement are the same.

When the path is not rectilinear, the distance (the length of the path) is always greater than the magnitude of the displacement.

Thus, as for the correct statements, you have:

  • <u>distance = 10 meters and displacement = 1 meter </u>

        This means that the object traveled along a 10 meters path, but since it was not rectilinear, the difference between the final position and the starting position is just 1 meter.

  • <u>distance = 10 meters and displacement = 0 </u>

<u />

       This means that the object traveled 10 meters but it ended back in the very same place from which it departed (a complete turn around a table, for example).

  • <u>distance = 10 meters and displacement = 10 meters</u>

        This means that the travel was in the trip was alogn a straight line, and the object traveled 10 meters and ended 10 meters away from the starting place.

As for the two incorrect statements:

  • <u>distance = 0 and displacement = 10 meters </u>

  • <u>distance = 1 meter and displacement = 10 meters</u>

It is not possible that the object ended up 10 meters away from where it was (the displacement), by traveling just 1 meter less than that.

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What happens to metal railroad tracks during the heat of a summer day?
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The rails expand during the heat of a summer day
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Materials are transported within a single celled organism by the
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The cytoplasm transports materials within a single celled organism. that is the answer.
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Predict what might happen if the human body did not have specialized cells, tissues, organs, and organ systems to maintain homeo
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We would be dead. No heart, brain or blood flow <span />
3 0
3 years ago
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Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules.
kherson [118]

Answer:

The partial pressure of the other gases is 0.009 atm

Explanation:

Step 1: Data given

Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules and 1% of other gases.

The atmospheric pressure = 0.90 atm

Step 2: Calculate mol fraction

If wehave  100  moles of air, 78 moles will be nitrogen,

21  moles will be  oxygen, and  1  mol will be other gases.

Mol fraction = 1/100 = 0.01

Step 3: Calculate the partial pressure of the other gases

Pgas = Xgas * Ptotal

⇒ Pgas = the partial pressure = ?

⇒ Xgas = the mol fraction of the gas = 0.01

⇒Ptotal = the total pressure of the pressure = 0.90 atm

Pgas = 0.01 * 0.90 atm

Pgas = 0.009 atm

The partial pressure of the other gases is 0.009 atm

4 0
3 years ago
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