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nlexa [21]
3 years ago
6

Comparing the characteristics of homogeneous and heterogeneous​

Chemistry
1 answer:
Sergeu [11.5K]3 years ago
4 0

answer: A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases.

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What is ionization constant of an acid?
egoroff_w [7]

Answer:

ionization constant of an acid  (Ka) is the equilibrium constant for the ionization of an acid. 

Explanation:

The acid ionization represents the fraction of the original acid that has been ionized in solution. Therefore, the numerical value of Ka is a reflection of the strength of the acid.

4 0
2 years ago
How is the kinetic energy of the particles that make up a substance different
erastova [34]

Answer:

D. The kinetic energy is greater after a substance changes from a

solid to a liquid

Explanation:

During a phase change from solid to liquid, the particles making up the mobile becomes more mobile and as a result there is an increase in kinetic energy of the system.

  • Kinetic energy is the energy accrued due to the motion of a body.
  • In a melting process where solids turn to liquid, there is an increase in kinetic energy.
  • When randomness of a system increase, kinetic energy also increases.
  • From liquid to gas and gas to plasma increases kinetic energy.
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8 0
2 years ago
When might a plot of ln[a] vs time not yield a straight line?
podryga [215]
Considering a reaction:
A → B
The rate equation may be described as:
r = -k[A]ⁿ
Taking the natural log,
ln(r) = -nln([A]) + ln(k)
Therefore, the only time the graph of ln[A] vs time will be a straight line is when the order of the reaction is 0, meaning the reaction is independent of reactant concentration.
6 0
3 years ago
Good morning friends
erik [133]

Answer:

bye have a neautiful time just kidding

3 0
2 years ago
Read 2 more answers
Metals experience plastic deformation when _____. A. Their crystal patterns have been disrupted by stress
zaharov [31]

Answer: Option (A) is the correct answer.

Explanation:

Plastic deformation is the change in shape of an object or metal caused by the load of excess stress.

Thus, metals experience plastic deformation when their crystal patterns have been disrupted by stress.

When stress is provided to the metal then their crystal pattern gets deformed resulting in change of shape of the metal. Plastic deformation is a permanent deformation.

5 0
3 years ago
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