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djyliett [7]
3 years ago
8

Which of the following statements is not accurate in regard to the first four energy levels?

Chemistry
1 answer:
seropon [69]3 years ago
3 0

Answer:

D) False

Explanation:

A) True

The third energy level with principal quantum number n =3 will have s,p,d orbitals where the s, p ,d  orbitals can accommodate a maximum of 2,6 and 8 electrons respectively. Therefore, total electron count = 18

B) True

The fourth energy level corresponds to n = 4 with s,p,d and f orbitals

C) True

A given orbital can accommodate a maximum of 2 electrons, one in the spin up and the other in a spin down orientation

D) False

The first energy level has n =1 with only s orbital

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A sample of 1.00 moles of oxygen at 50°C and 98.6 kPa, occupies what volume?
enyata [817]

Answer:

27.22 dm³

Explanation:

Given parameters:

number of moles = 1 mole

temperature= 50°C, in K gives 50+ 273 = 323K

Pressure= 98.6kpa in ATM, gives 0.973 ATM

Solution:

Since the unknown is the volume of gas, applying the ideal gas law will be appropriate in solving this problem.

The ideal gas law is mathematically expressed as,

Pv=nRT

where P is the pressure of the gas

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R is the gas constant

T is the temperature

Input the parameters and solve for V,

0.973 x V = 1 x 0.082 x 323

V= 27.22 dm³

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3 years ago
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eimsori [14]
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Which describes the products created from fission reactions? Question 3 options:
Ipatiy [6.2K]

<u>Answer:</u> The correct answer is option A.

<u>Explanation:</u>

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There are 3 types of particles that can be released during this process:

1. Alpha particles: These particles are released when a nuclei undergoes alpha-decay process.

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2. Beta particles: These particles are released when a nuclei undergoes beta-minus decay process.

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_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma

Hence, any of these particles can be released during the process of fission reaction with smaller atoms.

Therefore, the correct answer is option A.

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3 years ago
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