N

Chemistry

2 answers:

bazaltina [42]3 years ago

5 0

Answer:

electron - proton

Explanation:

fsger

blsea [12.9K]3 years ago

3 0

Answer:

A. Electron clouds with a total of seven electrons

Explanation:

A neutral atom of nitrogen must have a total number of 7 electrons in its cloud.

This is the required number of electrons to bring nitrogen into its state of neutrality.

To maintain neutrality the number of protons and electrons in an atom must be equal.
A charge atom called an ion have either the proton or electron greater.
Neutrality is attained when the number of protons and electrons are the same.

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a chemist uses hot hydrogen gas to convert chromium (iii) oxide to pure chromium. how many grams of hydrogen are needed to produ

MA_775_DIABLO [31]

Answer:

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3 years ago

What is the ph of a solution labeled .30 trimethylamine k for trimethylamine is 7.42 x 10^4

valentina_108 [34]

Answer:the pH is 12

Explanation:

First We need to understand the structure of trimethylamine

Due to the grades of the bond in the nitrogen with a hybridization sp3 is 108° approximately, then is generated a dipole magnetic at the upper side of the nitrogen, this dipole magnetic going to attract a hydrogen molecule of the water making the water more alkaline

C3H9N+ H2O --> C3H9NH + OH-

$k=\frac{[C3H9NH]*[OH-]}{[C3H9N]}$

Then:

The concentration of the trimethylamine is 0.3 and the concentration of the ion C3H9NH is equal to the OH- relying on the stoichiometric equation. We could find the concentration of the OH- ion with the square root of the multiplication between k and the concentration of trimethylamine

[OH-]= $\sqrt{ 0.3*7.42x10^{-4}}$