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Stells [14]
2 years ago
14

A lake has a surface area of 16.0 square miles and an average depth of 49.0 feet.

Chemistry
1 answer:
lidiya [134]2 years ago
8 0

Answer:

Transcribed image text: A lake has a surface area of 12.9 square miles and an average depth of 32.6 feet. What is its

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3 years ago
in a given homologous series of hydrocarbons, the boiling point generally increases as the size of the molecules increases. the
vitfil [10]

The boiling point of hydrocarbons generally increases as the size of the molecules increases because more bonds are needs to be broken in larger organic molecules.

<h3>What are hydrocarbons?</h3>

Hydrocarbons are organic compounds which here composed of hydrogen and carbon alone.

Hydrocarbons are grouped into families or homologous series based on a reactive group known as the gincyiial group

The homologous series include

  • alkanes
  • alkenes
  • alkynes

The boiling point generally increases as the size of the molecules increases because more bonds are needs to be broken in larger organic molecules.

Learn more about hydrocarbons at: brainly.com/question/3551546

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5 0
2 years ago
When water evaporates, what happens to its molecules?
Scrat [10]
It’s the first one: A. the water molecules stay the same they just change phase to a gas
7 0
2 years ago
An unknown element, x, reacts with rubidium to form the compound rb2x. in other compounds this element also can accommodate up t
SVETLANKA909090 [29]

There are few elements that can form 12 electron rather than the usual 8. Therefore these are the possible answers:

Sulfur = 2Na + S --> Na2S <span>
Selenium = 2Na + Se --> Na2Se 
<span>Tellurium = 2Na + Te --> Na2Te</span></span>

6 0
3 years ago
Which element has the smallest atomic radius? calcium potassium scandium titanium
Alex787 [66]

 The element  that has the smallest  atomic radius is  <u>titanium</u>


          <em><u>explanation</u></em>

  • Calcium,potassium,  scandium and titanium are in  period  4 in the periodic table.
  • Generally  the atomic   radius    decreases  across the period (from the left to the right) .  This is because  across the period  there is increase  in nuclear charge  which  make electrons been strongly attracted to the nuclear.
  • Titanium is in atomic number 22 thus it has  more nuclear  charge  that  calcium,potassium and  scandium therefore  titanium has the  smallest atomic radius.
8 0
3 years ago
Read 2 more answers
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