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Digiron [165]
3 years ago
9

Kinetic energy is _____.

Chemistry
2 answers:
NeTakaya3 years ago
6 0
The kinetic energy of<span> an object is the </span>energy<span> that it possesses due to its motion.</span>
ankoles [38]3 years ago
5 0

Explanation:

Kinetic energy is defined as the energy obtained by an object due to its motion.

This means that any object which is moving will have kinetic energy because it is in motion.

Mathematically,        K.E = \frac{1}{2}mv^{2}

where,     m = mass of object

                v = volume of object

Whereas if an object is not moving and if it is only lying in a certain position then it will have only potential energy.

Thus, we can conclude kinetic energy is the energy obtained by an object due to its motion.

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Let’s say that you have a solvatochromic compound that appears red in a solvent. You dissolve the compound in another solvent an
EastWind [94]

Answer:

Hypsochromic compound, More polar solvent

Explanation:

Hypsochromic shift refers to the shift of solution colour to blue side of the visible spectrum (blueshift) with increasing polarity of the solvent. In our case, the solution changes to orange colour from red when solvent is changed. This means that the emission spectrum of the solution underwent blueshift. (As orange colour is on the 'blue' side for red colour.) So this is a hypsochromic shift, and the new solvent is more polar that the previous one, as it caused hypsochromic shift.

7 0
3 years ago
A student wants to know why sandhill crane‘s fly south for the winter. The student uses a map of North America to make a model o
Ratling [72]

Answer:

a and c

Explanation:

im probably wrong  though

7 0
3 years ago
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Which area would you expect to have more rain? An area that has very low humidity An area that is located near mountains An area
iogann1982 [59]
An area with a very high humidity because the humidity is so much the condenastion going into the clouds cant hold all the evaporation thats happening so fast 
8 0
3 years ago
3. Sodium carbonate (Na2CO3) is formed from the reaction between
user100 [1]

Na2C03 is formed through the reaction of

NaOH and H2CO3 namely sodium hydroxide and carbonic acid

NaOH -> strong base

H2CO3-> weak acid

8 0
2 years ago
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Which process is expected to have an increase in entropy?
olganol [36]

Answer: Option (B) is the correct answer.

Explanation:

Degree of randomness of the molecules of a substance is known as entropy. More is the kinetic energy between the molecules of a substance more will be the degree of randomness.

Therefore, when a substance is present in a gaseous state then it has the maximum entropy. In liquid state, molecules are closer to each other so, there is less randomness between them.

On the other hand, in solid state molecules are much more closer to each other as they arr held by strong intermolecular forces of attraction. Therefore, they have very less entropy.

  • When liquid water is formed from gaseous hydrogen and oxygen molecules then gas is changing into liquid. So, there is decrease in entropy.
  • When N_{2}O_{4} decomposes then the reaction will be as follows.

            N_{2}O_{4} \rightarrow 2NO_{2}

Since, 1 mole is producing 2 moles. This means that degree of randomness is increasing as both the molecules are present in gaseous form.

  • In formation of a precipitate, aqueous solution is changing into solid state. Hence, degree of randomness is decreasing.
  • Rusting of iron also leads to the formation of solid as it forms Fe_{2}O_{3}.xH_{2}O.

Thus, we can conclude that decomposition of N_{2}O_{4} gas to NO_{2} gas is the process that is expected to have an increase in entropy.

4 0
3 years ago
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