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frez [133]
3 years ago
10

What is the most important role that water plays for living organisms?

Chemistry
2 answers:
Flauer [41]3 years ago
8 0

Answer:

A. All organisms need water as energy source

coldgirl [10]3 years ago
3 0
A. Because if the organisms didn’t have water as an energy source they wouldn’t be able to thrive
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In the reaction shown above , the?
matrenka [14]

Answer:

I think option (d) is right answer

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3 years ago
Look at the diagram of Woese’s modern system of classification.
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So buddy the answer to this studying u feel me become smart like me
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Mrs. Nogaki tested four black markers in rubbing alcohol and in water. Each filter paper had four evenly spaced dots. She found
ExtremeBDS [4]

Answer:

Lost pigment of marker when dipped in alcohol

Explanation:

dependent viable = output

so it's the output of what happens after the input.

  • she put the marker in the water which is the independent variable, that's the input
  • the output or the result of that decision is having lost pigment in the marker

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2 years ago
Complete the chemical change. Na → Na+ <br><br> a.)2e-<br> b.)proton<br> c.)1e-
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C) 1e- is the answer because you need that in order to balance the charges
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3 years ago
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Photochemical chlorination of 1,2−dibromoethane gives a mixture of two stereoisomers of c2h3br2cl. draw the structure of one of
dem82 [27]

<em>See the structure at the bottom-left corner of the sketch attached.</em>

<h3>Explanation</h3>

Replacing an H atom with a Cl atom in a 1,2-dibromoethane molecule produces a molecule of C₂H₃Br₂Cl. Its structural formula is show in the top-left corner of the sketch attached.

The molecule contains no double or triple bonds. It has no E/Z isomers. The two stereoisomers can only be enantiomers. A red asterisk * is placed next to the only <em>chiral</em> carbon in this molecule.

That carbon atom is connected to

  • one H atom,
  • one Cl atom,
  • one Br atom, and
  • the alkyl group CH₂Br.

The two isomers are <em>mirror images </em>about this carbon atom. Indicate how the four groups are arranged in space using the wedge and dash notation.

  • Solid lines refer to chemical bonds in the plane of the paper.
  • Wedges refer to bonds pointing out of the page towards you.
  • Dashes refer to bonds pointing into the page away from you.

The last row of this sketch shows the structure of both isomers. The question is asking for only one. Showing either of them should work.

4 0
2 years ago
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