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frez [133]
3 years ago
14

A carbon atom has a strong tendency to do which of the following?. Answer. double bond with electrons. receive electrons. donate

electrons. share electrons. It is either a or d i think
Chemistry
2 answers:
Novay_Z [31]3 years ago
5 0

Answer: Option (d) is the correct answer.

Explanation:

Atomic number of carbon is 6 and its electronic distribution is 2, 4. Therefore, in order to become stable and completely fill its octet carbon readily share its valence electrons with another atom.

For example, C + 2H_{2} \rightarrow CH_{4}

A carbon atom is also able to form a double double with valence  electrons of other atom.

Thus, we can conclude that a carbon atom has a strong tendency to share electrons.

Tju [1.3M]3 years ago
5 0

Answer:

Share electrons

Explanation:

The carbon atom has atomic number 6, and it has 4 electrons in the valence shell (electronic distribution is: 1s² 2s² 2p²). To be stable, the carbon atom needs to gain electrons and will have a noble gas configuration.

However, is very difficult for an atom to donate 4 electrons. Carbon share electrons with other elements, and for that, can do 4 covalent bonds.

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Answer:

ΔpH = 0.20

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The buffer of HCO₃⁻ + CO₃²⁻ has a pka of 10.2

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There are 0.479moles of NaHCO₃ and 0.342moles of Na₂CO₃.

Using Henderson-Hasselbalch formula:

pH = pka + log [Base] / [Acid]

pH = 10.2 + log 0.342mol / 0.479mol

<em>pH = 10.05</em>

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0.091 moles of NaOH produce the same moles of CO₃²⁻ and consume HCO₃⁻. Moles of these species are:

CO₃²⁻: 0.342mol + 0.091mol: 0.433mol

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pH = 10.2 + log 0.433mol / 0.388mol

pH = 10.25

That means change of pH, ΔpH is:

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