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Jlenok [28]
3 years ago
6

You want to place a piece of glass tubing into a ruber stopper after the tubing has been fire polished and cooled. This is best

done by
Chemistry
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

All of the above

Explanation:

This is correct

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Consider the molecule BF3. (a) What is the electron config- uration of an isolated B atom? (b) What is the electron con- figurat
anzhelika [568]

For the given molecule, we are asked to give-

  1. The electron configuration of an isolated B atom
  2. The electron configuration of an isolated F atom
  3. Hybrid orbitals should be constructed on the B atom to make the B–F bonds in Boron tri flouride
  4. valence orbitals, if any, remain unhybridized on the B atom.
  • The electron configuration of an isolated B atom:

as atomic number of B is 5

electronic configuration will be [He] 2s² 2p¹

  • The electron configuration of an isolated F atom:

as atomic number of F is 9

electronic configuration will be  [He] 2s² 2p5

  • Hybrid orbitals should be constructed on the B atom to make the B–F bonds in Boron tri flouride will be sp2.

as the one s and two of p orbital from the valance shell will hybridised to make 3 hybrid orbital of B resulting in 3 B-F bonds.

  • valence orbitals, if any, remain unhybridized on the B atom will be 1

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1 year ago
4. A galvanic cell is formed when two metals are immersed in solu- tions differing in concentration 1 when two different metals
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A galvanic cell is formed when two metals are immersed in solutions differing in concentration 1 when two different metals are immersed.

<h3>What is galvanic cell?</h3>

A galvanic cell is an electrochemical device that transforms chemically generated free energy into electrical energy. A photogalvanic cell produces photochemical species that react to produce an electrical current when connected to an external circuit.

<h3>How does galvanic cell works?</h3>

In order to create a pathway for the flow of electrons via this wire, the galvanic cell makes use of the ability to split the flow of electrons during the processes of oxidation and reduction, forcing a half-reaction and linking each with a wire.

An electrochemical device known as a galvanic cell converts chemical energy from a spontaneous redox response into electrical energy. It possesses an electrical potential of 1.1 V. The anode, which is a negative plate in galvanic cells, is where oxidation takes place. It is a positive plate where lessening takes place.

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8 0
2 years ago
What did you include in your response? Check all that apply.
Aliun [14]

Answer:

Without corals, the algae are not protected and cannot perform photosynthesis.

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3 years ago
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Based on your observations and your understanding about how heat moves (from hot to cold), write a hypothesis that describes whi
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wrapping a boiled water keeps the water hot..cus it's wrapped and no air can go out

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Fill in the blanks to complete the idea of the sentences. Write your answers on a separate sheet of paper.
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Explanation:

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