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3 years ago

The movement of electrons is what type of energy? A. Charge energy B. Kinetic energy C. Magnetic energy D. Electrical energy

Chemistry

2 answers:

m_a_m_a [10]3 years ago

5 0

Answer:

The movement of electrons is kinetic energy, capable of producing electrical energy (option B).

Explanation:

An electron is a mobile subatomic particle, located outside the atom and forming elliptical orbits, unlike protons and neutrons. In addition, each electron has a negative charge.

The energy on which the movement of the electrons depends is kinetic energy, which promotes this movement. The interaction between the negative charges of the electrons and the positive charge of the protons produces electrical energy.

The other options are not correct because the charge energy, electric energy and magnetic energy are consequences of the activity of the subatomic particles of the atom.

andreev551 [17]3 years ago

4 0

Answer:

D) Electrical energy

Explanation:

Hello! This is the correct answer! (I took the K12 test) If you are having any further trouble, please review the lesson. Hope this helps! Have a blessed day! :)

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A line in the hydrogen spectrum occurs at 434 nm. what is the frequency of this radiation in sec -1

Taya2010 [7]

The lines occurring in an emission spectrum are all electromagnetic waves, which means that their speed in a vacuum is
3 x 10⁸ m/s

We can use the equation,
v = fλ
which relates the velocity of a wave to the frequency and wavelength. Substituting values,

3 x 10⁸ = f * 434 x 10⁻⁹
f = 6.91 x 10¹⁴ Hz

The frequency of the wave will be 6.91 x 10¹⁴ oscillations per second.

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3 years ago

Help please !!!

castortr0y [4]

Kinetic energy is the correct answer for this question

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3 years ago

2.04 thermal and chemical change

bazaltina [42]

Explanation:

thermal changes are those in which heat exchange is involved like endothermic and exothermic

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2 years ago

Ammonium perchlorate is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas , ch

FinnZ [79.3K]

Answer:

2.9 g of water are produced by 9.6 g of ammonium perchlorate

Note: The question is incomplete. The complete question is given below:

Ammonium perchlorate (NH₄ClO₄) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas (N₂) , chlorine gas (Cl₂), oxygen gas (O₂), water (H₂O) , and a great deal of energy. What mass of water is produced by the reaction of 9.6 g of ammonium perchlorate? Be sure your answer has the correct number of significant digits.

Explanation:

The reaction of ammonium perchlorate (NH₄ClO₄) to produce nitrogen gas (N₂) , chlorine gas (Cl₂), oxygen gas (O₂), water (H₂O) is shown in the balanced chemical equation given below:

2 NH₄ClO₄ → N₂ + Cl₂ + 2 O₂ + 4 H₂O

From the equation, 2 moles of ammonium perchlorate produces 4 moles of water, i.e. mole ratio of NH₄ClO₄ to H₂O = 2 : 4 = 1 : 2

molar mass of ammonium perchlorate, NH₄ClO₄ = (14 + 4 * 1 + 35.5 +16 * 4) = 117.5

molar mass of water, H₂O = (2 * 1 + 16) = 18.0 g

mass of water produced = moles of ammonium perchlorate * 2 * molar mass of water

moles of perchlorate = mass / molar mass = 9.6/117.5

mass of water produced = 9.6/117.5 * 2 * 18.0 g = 2.94 g of water

Therefore, 2.9 g of water are produced by 9.6 g of ammonium perchlorate

6 0

3 years ago

Which reaction is capable of breaking polypeptides into their component amino acids?

Bad White [126]

Answer: B. Hydrolysis (adding water)

Explanation:

When peptide bonds join two or more amino acids together, this is refered to as a peptide. A polypeptide simply means several amino acids. We should also note that proteins contains polypeptides.

The reaction that is capable of breaking polypeptides into their component amino acids is hydrolysis. This simply means a chemical process whereby a water molecule is being added to a particular substance.

4 0

3 years ago