neon is a noble gases a very stable it does not readily combined with other elements which category does neon belong to

Answers

Answer 1

Answer: This is a nonmetal because gases cannot be metals

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Is soap polar or no polar explain

Answers

soap is polar because it is not symmetrical in molecularly, this is because it must react with whats on your hand to fully clean it , dish soap is nonpolar/polar in order to combat grease which is also nonpolar, so nonpolar cleans nonpolar and polar cleans polar

Soap is a polar covalent bond because its electrons are not shared equally between the atoms.

If the Ka of a monoprotic weak acid is 5.4 × 10-6, what is the pH of a 0.25 M solution of this acid?

Answers

The first step is to write the balanced equation of the dissociation of the monoprotic weak acid. This can be assumed to have 1:1 stoichiometric relationships, so the equation and ICE chart are given by:

      HA ---> H^+ + A^-
initial    0.25 0 0
change       -x x x
equilibrium    0.25-x x x

This gives an expression for Ka given by:

Ka = (x)^2/(0.25-x) = 5.4x10^-6
x = 1.159x10^-3 = [H+] = [A-]

pH = -log[H+] = -log[1.159x10^-3] = 2.936

Why do minor parties have difficulty succeeding in the United States electoral system? A. tend to focus on only a single issue B. quickly join forces with the wrong party C. views are usually tied to strict religious doctrine D. seldom are given the respect from foreign officials they need to get elected

Answers

I think the best answer is D. Minor parties do not always get a support from foreign officials in order for them to get elected. They also have difficulties because they are a small political party. They do not have enough resources or supporters as compared to larger political parties.

What is radioactivity.

Answers

Radioactivity another name for radioactive decay. Radioactivity refers to particles emitted from nuclei as a result of nuclear instability.

In the following electrochemical cell, what is the reduction half-reaction? Mn(s) | Mn2+(aq) || Fe3+(aq), Fe2+(aq) | Pt(s)

Answers

In the given electrochemical cell, the reduction half-reaction occurs at the electrode on the right side of the double vertical line (||).

To determine the reduction half-reaction, we need to compare the standard reduction potentials (E°) of the species involved. The half-reaction with the more positive E° value will be the reduction half-reaction.

Looking up the standard reduction potentials in a reference table, we find that the standard reduction potential for the Mn2+/Mn couple is -1.18 V, and the standard reduction potential for the Fe3+/Fe2+ couple is +0.77 V.

Since the Fe3+/Fe2+ couple has a more positive standard reduction potential, it will undergo reduction. Therefore, the reduction half-reaction is:

Fe3+(aq) + e- → Fe2+(aq)

I hope this helps!

Juan created a chart to help him study for a test.A 2-column table. The first column labeled X has entries some light is reflected, some light is absorbed, no light passes through. The second column labeled Y has entries some light is reflected, some light is absorbed, some light is reflected, most light passes through.

Which headings best complete the chart?

X: Transparent Objects
Y: Opaque Objects
X: Opaque Objects
Y: Transparent Objects
X: High Frequency Waves
Y: Low Frequency Waves
X: Low Frequency Waves
Y: High Frequency Waves

Answers

The light in the electromagnetic spectrum which passes in first case is through opaques objects while in second case it is transparent objects.

What is an electromagnetic spectrum?

The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.

The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.

In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The position of an electromagnetic wave in an electromagnetic spectrum is characterized by it's frequency or wavelength.They are emitted by electrically charged particles which undergo acceleration and subsequently interact with other charged particles.

Learn more about electromagnetic spectrum,here:

brainly.com/question/23727978

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Answer:

B) X: Opaque Objects

Y: Transparent Objects

Explanation:

Just had this question and got it right

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What of the following could be classified as matter

A solution has a (oh-) = 8.6 × 10-5 the poh=, ph=, (h+)=