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3 years ago

What is the anion of the ionic compound NaC2H3O2 thank you!

Physics

1 answer:

KIM [24]3 years ago

6 0

C₂H₃O₂⁻ is an anion.

Explanation:

NaC₂H₃O₂(s) → Na⁺(aq) + C₂H₃O₂⁻(aq)

NaC₂H₃O₂ when dissociated, yields Na⁺ and C₂H₃O₂⁻.

Anion is a negatively charged ion.

In this case, C₂H₃O₂⁻ is an anion.

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How do the frequency and amplitude affect the sound?

fenix001 [56]

The sound is perceived as louder if the amplitude increases, and softer if the amplitude decreases. ( for amplitude)

Since sound at all frequencies has the same speed in air, a change in frequency means a change in wavelength. ( for frequency)

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2 years ago

Read 2 more answers

How does fission and fusion affect an atoms nucleus differently?

Nata [24]

When a heavy nucleus breaks up into two or more fragments with the liberation of energy, the process is called fission.

When two light nuclei fuse together to form a comparatively heavy nucleus, the process is called fusion. Both processes are accompanied by release of energy.

The most common example of fission is the fission of Uranium nucleus, which absorbs a slow neutron and breaks into Barium, Krypton, a few neutrons and energy.

U(235)+neutron→Ba(139)+Kr(94)+3 neutrons+200 MeV

Each fission releases around 200 MeV of energy.

The fusion reaction is responsible for energy generated by stars.

Protons in the stars combine to form a Helium nucleus with the liberation of energy.

4 protons→Helium+2 positrons+ nuetirnos+ 26.7 MeV

Fusion reactions can happen only at very high temperatures, which is required ,so that the protons have enough kinetic energy to overcome their mutual electrostatic repulsion. The temperatures that can result in fusion are of the order 10^8 K is present in stars , hence stars generate energy by fusion.

However, such temperatures are difficult to maintain and control on Earth, and hence controlled fusion reaction is still not available commercially. Experiments are on , using large magnetic fields to contain the ions that undergo fusion, since no container can hold the nuclei while they undergo fusion.

Fusion is also called clean energy, since the byproducts of fusion are not radioactive, but many fission byproducts are generally radioactive.

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3 years ago

The frequency of a wave is the inverse of the wave's wavelength itude perod velocit

zimovet [89]

The answer is period I think

8 0

3 years ago

Discuss the pros and cons of fission and fusion reactions.

Jet001 [13]

Fission: -

Pros:

- "It does not contribute to the air pollutants in the environment."

- "It does not need costly energy fuels."

- "It is capable of providing energy for 2 to 3 years."

- "It does not make global warming worse."

- "It produces a nuclear reaction that is important."

- "It helps with the field of astronomy."

Cons:

- "It can harm the environment in a way that it disposes waste."

- "It poses a risk to public health."

- "It can cause deadly and costly accidents."

- "It has the potential to open the door for terrorists to create powerful weapons."

Fusion Reactions: -

Pros:

- "Clean energy ."

- "Virtually limitless fuel available ."

- "No chain reaction. Easier to control or stop than fission ."

- "Nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei) ."

- "Little or no nuclear waste. Core remains radioactive for only 100 years. Possibly radioactive structural elements ."

- "Very low fuel cost."

Cons:

- "Unproven (it will take another years of research to explore it on commercial scale) ."

- "Commercial power plants will be very expensive to build ."

- "Requires extremely high temperatures .

If cold fusion could be achieved, it would be much easier to implement."

8 0

3 years ago

An ideal monatomic gas initially has a temperature of 330 K and a pressure of 6.00 atm. It is to expand from volume 500 cm3 to v

Sonbull [250]

a. Final pressure= 5atm

b. Work done = 5000 Joules

<h3>How to determine the parameters</h3>

Given;

Temperature = 330K
P1 = 6 atm
V1 = 500cm^3
V2 = 1500cm^2

In adiabatic expansion, temperature is constant

P1V1 = P2V2

Now, let's substitute the values into the formula

6 × 500 = 1500 P2

300 = 1500P2

Make 'p2' subject of formula

P2 = 1500/300

P2 = 5 atm

The formula for work done is given as:

Workndone = P ∆ volume

Work done = 5 × ( 1500 - 500)

Work done = 5 × 1000

Work done = 5000 Joules

Learn more about ideal gas law here:

brainly.com/question/25290815

#SPJ1

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2 years ago