3 years ago

Which of the following is least likely to change the gene pool of a population of chipmunks?

Chemistry

1 answer:

Advocard [28]3 years ago

7 0

Answer:

I would say that old age because nothing is affecting the gene pool by dying of old age.

Explanation:

Hope this helps.

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A convergent plate boundary is formed when tectonic plates collide

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What is the concentration of OH − and pOH in a 0.00066 M solution of Ba ( OH ) 2 at 25 ∘ C? Assume complete dissociation.

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Explanation:

We are given:

Concentration of barium hydroxide = 0.00066 M

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$Ba(OH)_2\rightarrow Ba^{2+}+2OH^-$

1 mole of barium hydroxide produces 1 mole of barium ions and 2 moles of hydroxide ions

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To calculate pOH of the solution, we use the equation:

$pOH=-\log[OH^-]$

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$[OH^-]=(2\times 0.00066)=1.32\times 10^{-3}M$

Putting values in above equation, we get:

$pOH=-\log(1.32\times 10^{-3})\\\\pOH=2.88$

Hence, the hydroxide ion concentration and pOH of the solution is $1.32\times 10^{-3}M$ and 2.88 respectively

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Read 2 more answers