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kykrilka [37]
3 years ago
13

Does “valence electrons” have a charge?

Chemistry
1 answer:
Alborosie3 years ago
6 0

Answer:

Yes, negative

Explanation:

Yes, electrons have negative charge. "Valence electrons" means the electrons of the outer shell, but as electrons the charge is negative

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3 years ago
What is the pH of a 0.050 M triethylamine, (C2H5)3N, solution? Kb for triethylamine is 5.3 ´ 10-4. Question options: 1) 11.69 2)
blsea [12.9K]
<span>the pH of a 0.050 M triethylamine, is 11.70
</span>
For triehtylamine, (C_{2}H_{5})_{3}N, the reaction will be
(C_{2}H_{5})_{3}N + H_{2}O ---\ \textgreater \ ( C_{2}H_{5})_{3}NH^{+} + OH^{-}

 and we know, pH = -log[H+] and pOH = -log[OH-]

Also, pOH + pH = 14

Now, the Kb value  = 5.3 x 10^-4

And kb =  \frac{( [( C_{2}H_{5})_{3}NH^{+} ]*  OH^{-} )}{[( C_{2}H_{5})_{3}N]}

 thus, [OH-] =(5.3 ^ 10-4) ^2 / 0.050

                    =0.00516 M 

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6 0
3 years ago
Do you think there should be greater restrictions on who can buy explosives or accelerants? Why or why not?
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