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Alecsey [184]
3 years ago
14

The nth shell holds a minimum number of 2n2 electrons True False Other:

Chemistry
1 answer:
BARSIC [14]3 years ago
8 0

Answer: The statement the  n^{th} shell holds a minimum number of 2n^{2} electrons is true.

Explanation:

The alphabet 'n' denotes the principal quantum number whose value can be equal to 1, 2, 3, and so on but can never be zero.

Basically, 'n' is the number of shell of an atom and total number of orbitals present in a shell is n^{2}.

Each orbital can hold up to a maximum of wo electrons. Hence, the n^{th} shell can hold a minimum number of 2n^{2} electrons.

Thus, we ca conclude that the statement the  n^{th} shell holds a minimum number of 2n^{2} electrons is true.

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Five hundred (500) milliliters of sodium chloride 0.9% is prescribed to be given over 4 hours using a volumetric pump. What's th
Angelina_Jolie [31]

<u>Given:</u>

Volume of 0.9% NaCl = 500 ml

Time (t) = 4 hrs

<u>To determine:</u>

The infusion rate of NaCl in ml/hr

<u>Explanation:</u>

Based on the information- 500 ml of NaCl is to be given over a time span of 4 hrs

Hence, the volume of NaCl to be administered per hr is:-

= 1 hr * 500 ml/4 hr = 125 ml

Ans: Infusion rate = 125 ml/hr

6 0
4 years ago
A water molecule collides with a sugar molecule. What type of energy
zlopas [31]

Answer:

kinetic energy.

Explanation:

an object in motion collides with another object to make that object in motion.

kinetic energy is the energy of an object being in motion.

7 0
4 years ago
Calculate the ph of a 0.10 m solution of hypochlorous acid, hocl. ka of hocl is 3.5×10−8 at 25 ∘c. express your answer numerical
Viktor [21]

Answer:

4.23.

Explanation:

<em>∵ pH = - log[H⁺].</em>

<em>For weak acids:</em>

∵ [H⁺] = √(ka)(c).

∴ [H⁺] = √(3.5 × 10⁻⁸)(0.10 M) = 5.92 x 10⁻⁵.

∴ pH = - log[H⁺] = - log(5.92 x 10⁻⁵) = 4.2279 ≅ 4.23.

3 0
4 years ago
Using your knowledge of reactions and mechanisms, draw the mechanism for the formation of 2-methylpropene from 2-methyl-2-propan
BARSIC [14]

Answer:

Here's what I get  

Explanation:

The reaction is an E1 elimination of an alcohol to form an alkene. It has three steps:

1. Protonation

The alcohol is protonated with aqueous sulfuric acid to convert it into a better leaving group.

2. Loss of the leaving group

A water molecule leaves in a unimolecular process to form a stable 3° carbocation.

3. Loss of an α-hydrogen

A water molecule removes an α-hydrogen, forming 2-methylpropene and regenerating the original hydronium ion.

4 0
3 years ago
A fish may have hundreds of offspring at a time and only a small number can survive. which characteristics of fish might allow t
mafiozo [28]
Well depends on what type of fish the parent is but i guess you can say:
what they eat
teeth
instincts
color
venom
blending in,etc
8 0
4 years ago
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