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LiRa [457]
3 years ago
5

As of right now, which of the following forms of nuclear power is the most feasible for human use?

Chemistry
2 answers:
Papessa [141]3 years ago
8 0

Answer:

Fission

Explanation:

Nuclear reactions are broadly classified into fission and fusion reactions.

In nuclear fusion two lighter nuclei combine to form a heavy nucleus along with the release of a large amount of energy.

In contrast, fission reactions involve splitting of a heavy unstable nucleus into lighter nuclei along with the release of energy. Nuclear reactors work on the principle of nuclear fission which involves the breakdown of U-235 nucleus via the following equation:

₉₂U²³⁵ + ₀n¹  →   ₅₆Ba¹⁴¹ + ₃₆Kr⁹² + 3₀n¹ + 200 MeV energy

The energy generated in nuclear power plants currently serve as a source of clean energy relative to that generated from coal powered plants. Therefore, as of right now energy from nuclear fission is the most feasible for human use.

nikitadnepr [17]3 years ago
6 0

As of now, the nuclear fission is the most feasible energy source for human use. All the nuclear power plants are based on the controlled nuclear fission reaction, where the unstable nucleus is bombarded with high speed neutrons, thus, splitting the nucleus into stable ones and releasing huge amount of energy. The nuclear fusion requires very high temperature, the temperature equal's to that of the sun. Hence, it is not feasible right now. As the technology advances, we will see advancement in other form of energies.

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Use the drop-down menus to complete each sentence.
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Explanation:

Elements that belong to same group contains same number of valence electrons. Hence, they tend to show similar chemical properties.

When we move across a period then number of electrons get added to the same shell. As a result, there will be no increase in size of elements.

Also, metals are the elements that belong to group 1, 2 and d-block elements are also known as metals. Metallic character of elements decreases when we move left to right in a periodic table.

As most reactive metals are placed on the left side of periodic table.

Since, size of elements increases on moving down the group. So, an element is able to easily lose its valence electrons because of less force of attraction between its nucleus and valence electrons.

As a result, there will be increase in reactivity of metals on moving down the group.

Thus, we can conclude that given sentences are as follows.

  • Elements in the same group have the same number of valence electrons.
  • Elements in the same period have the same number of electron shells.
  • Metallic elements become less reactive as you move left to right in a period.
  • Metallic elements become more reactive as you move top to bottom in a group.
3 0
3 years ago
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What is a picture of homologous pairs of chromosomes and sex chromosomes?
Alecsey [184]

Answer:

allene?

Explanation:

5 0
3 years ago
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What is the chemical reaction of aluminum and ferric oxide to produce iron and aluminum oxide?
AnnZ [28]

Answer:

Ferric oxide reacts with aluminium to produce aluminium oxide and iron. The balanced chemical equation for the given reaction is : Fe2O3 + 2Al → Al2O3 + 2Fe.

6 0
2 years ago
Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. this process i
lara31 [8.8K]
Your answer would diffusion 
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3 years ago
According to the Arrhenius concept, which of the following substances is NOT a base in aqueous solutionsA. NH3B. LiOHC. NaOHD. H
olga_2 [115]

Answer:

NH₃ (Option A)

Explanation:

Arrhenius theory explained that the acids are the ones that have H⁺, either H in its formula. Following this, the bases are the ones that have OH⁻ , either OH and its formula.

It can be used only with compounds with H, or OH.

So the ammonia is not a base, as Arrhenius theory.

It is known that ammonia behaves as a weak base, but it does not have hydroxide ions that can yield to water

5 0
3 years ago
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