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GREYUIT [131]
3 years ago
10

Which answer is a scientifically accurate description of velocity?

Chemistry
2 answers:
LekaFEV [45]3 years ago
4 0

Answer: The answer is B I think I'm in the middle of the test.

Explanation:

agasfer [191]3 years ago
3 0

Answer:

B. The motorcyclist traveled southeast along a highway at 55 mph and reached the campsite in less than the two-hour estimated time.

Explanation:

<em>Velocity </em>is the rate at which an object changes position in a specific direction. It has both <em>magnitude and direction.</em>

Travelling <em>southeast</em> at <em>55 mph</em> is a <em>velocity</em>. It gives both speed and direction.

Statements A., B., and C. give the direction but not the speed.

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A sample of gas contains 6.25 × 10-3 mol in a 500.0 mL flask at 265°C. What is the pressure of the gas in kilopascals? Which var
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55.9 kPa; Variables given = volume (V), moles (n), temperature (T)

We must calculate <em>p</em> from <em>V, n</em>, and <em>T</em>, so we use <em>the Ideal Gas Law</em>:

<em>pV = nRT</em>

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<em>V</em> = 500.0 mL = 0.5000 L

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