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enot [183]
3 years ago
13

Hunter’s velocity was 4.5 m/s. At the end of his race, his velocity was the same. Which best describes his movement?

Chemistry
2 answers:
pogonyaev3 years ago
5 0
If an object is not changing its velocity, then the object is not accelerating. (There’s no acceleration)
Debora [2.8K]3 years ago
3 0

Answer:

His movement stopped

Explanation:

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D is the only choice here that is appropriate given neutrons' lack of charge
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A burner is placed below the right side of a beaker. Which image shows the motion of the liquid that will result?
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the result will be the whole surface of the liquid boilling

Explanation:

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How does a heat affect the chemical reaction? ​
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Answer:

Increasing the temperature increases reaction rates because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for the reaction) which result in a reaction.

Explanation:

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3 years ago
A chemist has 3.55x1022 molecules of nitrogen monoxide. How
Alina [70]

Answer:

<h2>0.059 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{3.55 \times  {10}^{22} }{6.02 \times  {10}^{23} }  \\  = 0.05897...

We have the final answer as

<h3>0.059 moles</h3>

Hope this helps you

6 0
3 years ago
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