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3 years ago

What is the relationship between N and The total number of orbitals in a main energy level

Chemistry

1 answer:

Helen [10]3 years ago

4 0

The relationship between n and the total number of orbitals in a main energy level is n^2.

According to the wave mechanical model, the orbital is a region in space where there is a high probability of finding an electron. In every energy level, a number of orbitals are possible.

The number of possible orbitals in an energy level is given by n^2. For instance, for the energy level, n=2, the total number of possible orbitals is (2)^2 or 4 orbitals.

Learn more: brainly.com/question/1869903

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A movable piston traps 0.205 moles of an ideal gas in a vertical cylinder. If the piston slides without friction in the cylinder

Mazyrski [523]

Answer : The work done on the gas will be, 418.4 J

Explanation :

First we have to calculate the volume at 270°C.

$PV_1=nRT$

where,

P = pressure of gas = 1 atm

$V_1$ = volume of gas = ?

T = temperature of gas = $270^oC=273+270=543K$

n = number of moles of gas = 0.205 mol

R = gas constant = 0.0821 L.atm/mol.K

Now put all the given values in the ideal gas equation, we get:

$(1atm)\times V_1=0.205mol\times 0.0821L.atm/mol.K\times 543K$

$V_1=9.12L$

Now we have to calculate the volume at 24°C.

$PV_2=nRT$

where,

P = pressure of gas = 1 atm

$V_2$ = volume of gas = ?

T = temperature of gas = $24^oC=273+24=297K$

n = number of moles of gas = 0.205 mol

R = gas constant = 0.0821 L.atm/mol.K

Now put all the given values in the ideal gas equation, we get:

$(1atm)\times V_2=0.205mol\times 0.0821L.atm/mol.K\times 297K$

$V_2=4.99L$

Now we have to calculate the work done.

Formula used :

$w=-p\Delta V\\\\w=-p(V_2-V_1)$

where,

w = work done

p = pressure of the gas = 1 atm

$V_1$ = initial volume = 9.12 L

$V_2$ = final volume = 4.99 L

Now put all the given values in the above formula, we get:

$w=-p(V_2-V_1)$

$w=-(1atm)\times (4.99-9.12)L$

$w=4.13L.artm=4.13\times 101.3J=418.4J$

conversion used : (1 L.atm = 101.3 J)

Therefore, the work done on the gas will be, 418.4 J

6 0

3 years ago

Under which condition is no work done?

Sunny_sXe [5.5K]

Answer:

D. A force pushes upon a object that stays in place.

Explanation:

7 0

3 years ago

Read 2 more answers

Once ____________ bonds form between every fourth amino acid in a polypeptide chain, the chain begins to twist into the ________

AlladinOne [14]

Once <u>hydrogen</u> bonds form between every fourth amino acid in a polypeptide chain, the chain begins to twist into the <u>secondary</u> structure known as a(n) <u>alpha helix</u>.

<h3>What is Amino Acid ? </h3>

Amino acids are organic compound. Amino acids contains amine and carboxyl functional group. Amino acids is the building block of life these are the molecules that combine to form proteins.

<h3>What is Polypeptide Chain ? </h3>

A unique sequence of amino acids joined by peptide bonds is called polypeptide.

Thus from the above conclusion we can say that Once <u>hydrogen</u> bonds form between every fourth amino acid in a polypeptide chain, the chain begins to twist into the <u>secondary</u> structure known as a(n) <u>alpha helix</u>.

Learn more about the Amino acids here: brainly.com/question/2526971

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5 0

2 years ago

Is a compound a substance made up of only 1 kind of element

dlinn [17]

Answer/Explanation:

No compounds must be made up of two or more elements. otherwise it wouldn't be a compound. There must be some type of combination or it isn't a compound.

4 0

3 years ago

What happens to the potential energy of a book that is dropped from a desk to the floor?

Debora [2.8K]

Answer:

D. It is converted into kinetic energy.

Explanation:

When a book is dropped from a desk to the floor, the potential energy of the book is converted to kinetic energy as it falls.

Potential energy of a body is the energy due to the position of the body.
At a particular height, the potential energy is maximum.
A body with mass and moving with velocity will have kinetic energy
As the book drops through the height, to conserve energy, the potential energy is converted to kinetic energy.

4 0

3 years ago