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Mashcka [7]
4 years ago
6

Hydrogen-3 (3h) carbon-14 (14c) oxygen-16 (16o) which isotope(s) would most likely undergo nuclear decay, and why? hint: hydroge

n's atomic number = 1; carbon's atomic number = 6; oxygen's atomic number = 8 hydrogen-3 would most likely decay because odd-numbered isotopes are less stable. carbon-14 and oxygen-16 would most likely decay because their atomic numbers are higher. carbon-14 and hydrogen-3 would most likely decay because they have low atomic mass. oxygen-16 would most likely decay because its neutrons and protons are equal. carbon-14 and hydrogen-3 would most likely decay because their neutrons and protons are not equal. oxygen-16 would most likely decay because it has the largest atomic mass.
Chemistry
2 answers:
denis23 [38]4 years ago
8 0
The correct answer will be:
<span>carbon-14 and hydrogen-3 would most likely decay because their neutrons and protons are not equal.
Due to atoms tend to decay when it has excess of either protons or neutrons
</span>
shusha [124]4 years ago
8 0

Answer:

The correct answer is "carbon-14 and hydrogen-3 would most likely decay because their neutrons and protons are not equal".

Explanation:

Nuclear decay, also known as radioactive decay, is a process at which an atom losses energy gradually in the form of radiation. This process occurs particularly in atoms with an unstable nucleus, which happens when the numbers of protons and neutrons are not equal. In this case, carbon-14 and hydrogen-3 would most likely decay because they have this characteristic. The difference between protons and neutrons is known as neutron-proton ratio, and the larger it is the most unstable the nucleus is.

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Fill in the left side of this equilibrium constant equation for the reaction of benzoic acid (HC_6H_5CO_2) with water.
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Answer:

[C₆H₅COO⁻][H₃O⁺]/[C₆H₅COOH] = Ka

Explanation:

The reaction of dissociation of the benzoic acid in water is given by the following equation:

C₆H₅-COOH + H₂O  ⇄  C₆H₅-COO⁻  +  H₃O⁺    (1)

The dissociation constant of an acid is the measure of the strength of an acid:

HA ⇄ A⁻ + H⁺        (2)

K_{a} = \frac{[A^{-}][H^{+}]}{[HA]}      (3)

<em>Where the dissociation constant of the acid (Ka) is equal to the ratio of the concentration of the dissociated forms of the acid, [A⁻][H⁺], and the concentration of the acid, [HA].     </em>

So, starting from the equations (2) and (3), the constant equation for the dissociation reaction of benzoic acid in water, of the equation (1), is:

K_{a} = \frac{[C_{6}H_{5}COO^{-}][H_{3}O^{+}]}{[C_{6}H_{5}COOH]}

I hope it helps you!          

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