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Mice21 [21]
3 years ago
8

Which element has the greatest electronegativity?

Chemistry
1 answer:
Alex Ar [27]3 years ago
3 0
Fluorine has the highest. Fluorine's electronegativity is 4.0
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_____ energy is energy available to do work.
Arisa [49]
The answer is C. Free Energy.

Activation energy is the energy that must be exceeded before a chemical reaction can occur.  Free energy best describes as energy available to do work.
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3 years ago
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Select all that are true regarding stereoisomers,constitutional isomers, and conformational isomers
Tamiku [17]

Answer:To convert the model of one constitutional isomer to another constitutional isomer one needs to exchange 2 atoms/groups on different atoms.

To convert the model of one stereoisomer to another stereoisomer one needs to exchange 2 atoms/groups bonded to the same carbon.

To convert the model of one conformational isomer to another conformational isomer one only needs to rotate about single bond(s).

Explanation:

Constitutional isomers differ from each other in position of substituents. Hence if we interchange atoms or groups on two different atoms, we get constitutional isomers.

Stereo isomers posses different orientations in space. If two atoms or groups on the same carbon atoms interchange their spatial orientation, we have a different stereoisomer other than the original structure.

Conformers arise by free rotation across single bonds. Different conformers can be created by rotating single bonds.

8 0
3 years ago
Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each
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They did not repeat their tests multiple times.

Reason being is using the same stopwatch doesn’t matter and changing the reactants won’t help, and you without a doubt need more than one person collecting the data so,

They did not repeat their tests multiple times is the answer.
4 0
2 years ago
3.95 g of sugar (C6H12O6) is dissolved in water to make 158 mL of solution. Find the molarity.
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Answer:

[C₆H₁₂O₆] = 0.139 M

Explanation:

Molarity si defined as a sort of concentration. It indicates the moles of solute that are contained in 1 L of solution.

We can also say, that molarity are the mmoles of solute contained in 1 mL of solution.

For this case, the solute is sugar (glucose). Let's determine M (mmol/mL)

(3.95 g . 1mol / 180g) . (1000 mmol / 1mol) / 158 mL

We determine moles, we convert them to mmoles, we divide by mL

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We convert mL to L → 158 mL . 1L/1000mL = 0.158L

M = 0.0219 mol / 0.158L = 0.139 M

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3 years ago
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Serjik [45]

Answer:

wind and water erosion

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