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RoseWind [281]
2 years ago
5

Which are charateristics of all metals

Chemistry
2 answers:
tatyana61 [14]2 years ago
8 0

Answer:

Metals are lustrous, malleable, ductile, good conductors of heat and electricity hope that helps

Sergeu [11.5K]2 years ago
4 0
Good conductors good of heat and electricity
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What is the ph of a solution labeled .30 trimethylamine k for trimethylamine is 7.42 x 10^4
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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}}

[OH-]=0.01

pH=14-(-log[OH-])

pH=12

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