3 years ago

Weather ionic or covalent, what does bonding always involve?

Chemistry

1 answer:

dezoksy [38]3 years ago

6 0

Answer: Bonding always involve a pair of electrons and atoms and are shared between two non metals.

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Is nickel cyanide a ionic or covalent bond

dlinn [17]

Answer:

Ionic

Explanation:

Because there's a metal and nonmetal present in this bond, it is ionic. Covalent bonds occur when there are only metals present. Hope this helps.

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3 years ago

A histidine is involved in an interaction with a glutamic acid that stabilizes the charged form of the histidine, such that the

Greeley [361]

Answer:

pKa of the histidine = 9.67

Explanation:

The relation between standard Gibbs energy and equilibrium constant is shown below as:

$\Delta{G^0} =-RT \ln \frac{[His]}{[His+]}$

R is Gas constant having value = 0.008314 kJ / K mol

Given temperature, T = 293 K

Given, $\Delta{G^0}=15\ kJ/mol$

So, Applying in the equation as:-

$15\ kJ/mol=-0.008314\ kJ/Kmol\times 293\ K\times \ln \frac{[His]}{[His+]}$

Thus,

$15\ kJ/mol=-0.008314\ kJ/Kmol\times 293\ K\times \ln \frac{[His]}{[His+]}$

$\frac{[His]}{[His+]}=e^{\frac{15}{-0.008314\times 293}$

$\frac{[His]}{[His+]}=0.00211$

Also, considering:-

$pH=pKa+log\frac{[His]}{[His+]}$

Given that:- pH = 7.0

So, $7.0=pKa+log0.00211$

<u>pKa of the histidine = 9.67</u>

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3 years ago

What is the maximum number of electrons in oxygen Adam can hold in its outer energy level

adell [148]

Do you mean atom :).

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3 years ago

A biochemist would most likely study what ?

Molodets [167]

Answer:

Biochemists study chemical processes and chemical transformations in living organisms. Biochemists study DNA, proteins and cell parts. The word "biochemist" is a portmanteau of "biological chemist."

Explanation:

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2 years ago

When 10 grams of copper and 10 grams of iodine are mixed, what is the

Licemer1 [7]

The answer is B) 15 grams

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3 years ago

Read 2 more answers