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KatRina [158]
3 years ago
14

Sunspots sit on the sun’s

Chemistry
1 answer:
Crank3 years ago
7 0

The answer is Photosphere Apex.      

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Which of these pairs of elements have the same number of valence electrons?
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B) sodium and potassium (1 valence electron)
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A mixture is -
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B. a physical combination of two or more different materials.
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In the following equation, what are the reactants: NaHCO3 + HCl? NaCl + H2O + CO2
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I believe the correct answer from the choices listed above is option A. The reactant for the given chemical reaction would be NaHCO3 and HCl. <span>A </span>reactant<span> is a substance that changes in a chemical reaction. It is the starting material in a reaction. Hope this answers the question.</span>
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Which is a nonmetal ?<br><br> 1. Sodium (Na)<br> 2.lithium(Li)<br> 3. Calcium (ca) <br> 4. Carbon(c)
Savatey [412]

Answer: Calcium (ca)

Explanation:

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The diagram shows the movement of particles from one end of the container to the opposite end of the container.
11111nata11111 [884]

The event which is most likely occurring in this scenario is effusion because there is a movement of a gas through a small opening into a larger volume and is denoted as option C.

<h3>What is Effusion?</h3>

This is referred to as the process in which a gas or a substance escapes from a container through a hole of diameter which is usually smaller.

The type of event which is most likely occurring is effusion because of the presence of the small holes in which the balls are made to pass through the center which is why option C was chosen.

Read more about Effusion here brainly.com/question/2097955

#SPJ1

The options are:

  • diffusion because particles move from regions of high concentration to regions of low concentration.
  • diffusion because particles move from regions of low concentration to regions of high concentration.
  • effusion because there is a movement of a gas through a small opening into a larger volume.
  • effusion because there is a movement of a gas through a large opening into a smaller volume
3 0
1 year ago
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