CHEMISTRY HIGH SCHOOL

Convert 338 L at 3.0 atm to its new volume at standard pressure. 1,014L

Answers

Answer 1

Answer:

Answer:

1014 L

Explanation:

From the question,

Applying

PV = P'V'.................... Equation 1

Where P = initial pressure, P' = Final pressure, V = Initial volume, V' = Final volume

make V' the subject of the equation

V' = PV/P'........... Euqation 2

Given: P = 3 atm, V = 338L, P' = 1 atm (Standard pressure)

Substitute into equation 2

V' = (3×338)/1

V' = 1014 L

Hence the new volume is 1014 L

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The Solvay process is a multistep industrial process used to produce washing soda, Na2CO3(s). In the last step of the Solvay process, NaHCO3(s) is heated to 300°C, producing washing soda, water, and carbon dioxide. This reaction is represented by the balanced equation below.2NaHCO3(s) + heat ==> Na2CO3(s) + H2O(g) + CO2(g)

Write the IUPAC name for washing soda.

Answers

Its IUPAC name is sodium carbonate. It is also known as soda ash. It is the water soluble sodium salt of carbonic acid and occurs as a crystalline heptahydrate. Sodium carbonate has an alkaline taste and when in solution forms a basic solution. One important application is that it is used commonly as a water softener.

Which nuclear emission is negatively charged?(1) an alpha particle
(2) a beta particle
(3) a neutron
(4) a positron

Answers

The nuclear emission that is negatively charged is $\boxed{{\text{2}}{\text{. a beta particle}}}$ .

Further Explanation:

Radioactive decay:

Also known as nuclear decay, radioactivity, nuclear or radioactive disintegration. It is the process due to which an unstable atomic nucleus releases its energy in the form of various particles such as alpha particles, beta particles, and gamma particles.

Following are the types of radioactive decays:

1. Alpha decay

In this decay, alpha particles are emitted by unstable nuclei. An alpha particle is a helium nucleus with two protons and two neutrons. It has a charge of +2. The general equation for an alpha decay is as follows:

$_{\text{Z}}^{\text{A}}{\text{X}} \to _{{\text{Z - 2}}}^{{\text{A - 4}}}{\text{X}} + _{\text{2}}^{\text{4}}{\text{He}}$

2. Beta decay

In this decay, beta particles are produced. This occurs when the nucleus decays continuously and emits an electron or a positron. The general equation for beta decay is as follows:

$_{\text{Z}}^{\text{A}}{\text{X}} \to _{{\text{Z + 1}}}^{\text{A}}{\text{X}} + _{{\text{ - 1}}}^{\text{0}}{\beta }}$

Beta decay is further classified as follows:

(a) ${\beta }}^-}$ decay: In this decay, an electron and an electron antineutrino are emitted. The atomic number of the element is increased by one. Its general equation is as follows:

$_{\text{Z}}^{\text{A}}{\text{X}}\to _{{\text{Z+1}}}^{\text{A}}{\text{X}}+{e^-}+{\mathop{\text{v}}\limits^-_{\text{e}}}$

(b) ${\beta }}^+}$ decay or positron emission: In this decay, a positron and an electron neutrino are emitted. The atomic number of the element is decreased by one. Its general equation is as follows:

$_{\text{Z}}^{\text{A}}{\text{X}} \to _{{\text{Z}} - 1}^{\text{A}}{\text{X}}+{e^+}+{{\text{v}}_{\text{e}}}$

3. Gamma decay

In this decay, gamma rays are emitted. Energy is emitted during gamma decay but the number of protons remains unaltered. The general equation for gamma decay is as follows:

$_{\text{Z}}^{\text{A}}{\text{X}} \to _{\text{Z}}^{\text{A}}{\text{X}} + _{\text{0}}^{\text{0}}{{\gamma }}$

4. Neutron emission

It is the type of radioactive decay that occurs when one or more neutrons are ejected from a nucleus. Neutrons are the subatomic particles with no charge. Since only neutrons are removed from the atom, the number of protons as well electrons remain unaltered. This results in the formation of an isotope of the same element.

Therefore the negatively charged nuclear emission is a beta particle because an electron that is a negatively charged species is lost in ${\beta }}^-}$ decay, a type of beta decay.

Learn more:

1. What nuclide will be produced in the given reaction? brainly.com/question/3433940

2. Calculate the nuclear binding energy: brainly.com/question/5822604

Answer details:

Grade: Senior School

Subject: Chemistry

Chapter: Nuclear chemistry

Keywords: alpha particle, beta particle, gamma decay, positron, negatively charged, neutron emission, radioactivity, radioactive decay, unstable atomic nucleus.

a beta particle is negatively charged

An isotope remains unchanged by the emission of a gamma ray, which is a(n) __________.

Answers

Answer:

The answer to your question is photon. An isotope remains unchanged by the emission of a gamma ray, which is a (an) photon123. A photon is a particle of light or electromagnetic radiation that has no mass and no electric charge4. A gamma ray is a type of photon that has the highest energy and frequency in the electromagnetic spectrum4. Gamma rays are emitted by the nuclei of some radioactive atoms when they undergo a nuclear rearrangement or decay4. Gamma ray emission causes no change in the number of particles in the nucleus, meaning both the atomic number and mass number remain the same23. Therefore, an isotope does not change its identity or mass when it emits a gamma ray, but only releases some excess energy as a photon. I hope this answer helps you understand the concept of gamma ray emission better.

if eqaul volumes of 0.1 m naoh and 0.1 m hcl arw mixed, the resulting solution will contain a salt and what

Answers

It will contain NaCl. The acid base reaction will look like this: HCl(aq)+NaOH(aq)⇒H₂O(l)+NaCl(aq)

The reaction occurs due to the fact that HCl (being a strong acid) will dissociate into H⁺ and Cl⁻ while NaOH (being a strong base) will dissociate into OH⁻ and Na⁺. The H⁺ and OH⁻ will react together to form water and the Na⁺ and Cl⁻ will remain in solution as the salt. (this is sometimes called a neutralization reaction since the HCl and NaOH neutralize each other.)

I hope this helps. Let me know if anything is unclear.

A triangular shaped body of water that forms where a stream in to the larger body of water is a

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A triangular shaped body of water that forms where a stream in to the larger body of water is a delta.

Please take thetime to rate, pick the Brainliest answer (not necessarily mine!), and thank me if you feel Ihelped with this question! Thank you, it helps me a lot. :)

This triangular body of water is called a delta. It is shaped like the Greek letter delta and was coined by Herodotus, the father of history who lived from 484 to 425 BC by seeing the deltoid shape at the mouth of the Nile.

Deltas occur throughout the world except at the poles. They all have three things in common, namely:

1. The presence of a large catchment basin. The top 30 river deltas all have catchment basins.

2. They all are at the mouth of large river systems that carry large quantities of clastic sediments (soils or portions of rocks that have been moved by water from where they formed)

3. They are not found near geologically active coastlines. They take a long time to develop so they are very rarely situated on tectonically active coast.

After taking a hot shower you may notice that the room gets steamy and the mirror is foggy you might also notice that there is moisture on the walls use these observations to come up with one reason why the temperature of the bathroom increases when you take a hot shower

Answers

Answer:the temperature might increase because of the humidity in the room so everything gets goofy and moist

Explanation:

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