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Drupady [299]
2 years ago
11

There is an extreme temperature difference between day and night in a desert during clear weather. However, even though the outs

ide temperature drops greatly at night, the water in a swimming pool in the desert tends to remain warm. Use your knowledge of heat energy, specific heat, and heat transfer to explain these facts.
please help!!!!!! ​
Chemistry
1 answer:
den301095 [7]2 years ago
5 0

Sand has a lower heat capacity hence it heats up easily and looses heat easily. On the other hand, water has a higher heat capacity and looses heat more slowly hence it remains warm at night.

<h3>What is heat transfer?</h3>

The transfer of heat refers to the movement of heat from one body to another. We should note that sand has a low specific heat capacity hence it is rapidly heated up in the day and looses heat quickly at night.

On the other hand, water has a high specific heat capacity hence it heat up slowly and also does not loose heat easily even when the surrounding temperature is much colder. As such, there is an extreme temperature difference between day and night in a desert during clear weather and the water in a swimming pool in the desert tends to remain warm even when the outside temperature drops greatly at night.

Learn more about heat transfer: brainly.com/question/12107378

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Scientists often repeat one or more steps several times.
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This set contains the spectra of benzil, biphenyl, and bibenzyl, three compounds used in the melting point experiment. Using you
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Answer:

Spectrum 1- Biphenyl

Spectrum 2 - Benzil

Spectrum 3 - Bibenzyl

Explanation:

<u>For Benzil: </u>

<u> </u>The Spectrum -  2  shows this compound.The C=O and C-H bond stretching observed at following values.

C=O \,at\,1657cm^{-1}

C=H \,at\,3063cm^{-1}

<u> For Biphenyl: </u>

<u> </u>Spectrum -  1  shows this compound.

There are stretching vibrations from 3061, 3032\,and \,1597 -1428cm^{1} due to C-H stretching and C-C stretching respectively of aromatic ring only.

<u>For Bibenzyl: </u>

Spectrum - 3  shows this compound

There are stretching vibrations at 3057,3026 and 1598 - 1449cm^{-1} due to C-H stretching and C-C stretching of aromatic ring.

Along with this, stretching vibrations at 2943 - 2917 cm^{-1}due to C-H of alkyl.

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4 years ago
Two elements that have the same ground-state valence shell configuration of ns 2 np 2 are
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Answer:

carbon and silicon

Explanation:

Various groups of elements in the periodic table have different outermost shell electron configurations. Actually, elements are classified into groups on the basis of the number of electrons on the outermost shell of those elements. All elements with the same number of electrons on their outermost shell belong to the same group in the periodic table.

For elements in group 14, they all have four electrons on their outermost shell. Their general outer electron configuration is ns2 np2 as shown in the question. Two prominent members of this group are carbon and silicon. This ns2 np2 is the ground state outer electron configuration of all group 14 elements in the periodic table.

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equilibrium will shift to the right, and more NH3 will be formed

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1 mol +3 mol             2 mol

       4 mol                2 mol

When we increase the pressure, the pressure will try to restore old value, so it has to become lower. Pressure is lower when number of particles is less

4 <2, so equilibrium will shift to the right, and more NH3 will be formed.

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Help answer this 50 points for each page!!!!
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Thanks for the points, I need them to help other people,

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