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2 years ago

Select all the the abiotic factors that could impact a deer population.

Chemistry

1 answer:

Archy [21]2 years ago

6 0

Answer:

Water

Weather

Explanation:

In an ecosystem, the factors that affect the organisms in that ecosystem can either be BIOTIC OR ABIOTIC. Biotic factors refers to the living components of an ecosystem while the ABIOTIC factors refer to the non-living components of the ecosystem.

According to this question, the abiotic (nonliving) factors that can affect a deer population includes WATER AND WEATHER. Note that the other options including flies and other organisms are both biotic factors.

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Svetradugi [14.3K]

Answer:

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3 years ago

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What is the ph of a buffer prepared by adding 0.809 mol of the weak acid ha to 0.608 mol of naa in 2.00 l of solution? The disso

Anarel [89]

The pH of the buffer is 6.1236.

Explanation:

The strength of any acid solution can be obtained by determining their pH. Even the buffer solution strength of the weak acid can be determined using pH. As the dissociation constant is given, we can determine the pKa value as the negative log of dissociation constant value.

$pKa=-log[H] = - log [ 5.66 * 10^{-7}]\\ \\pka = 7 - log (5.66)=7-0.753=6.247\\\\pka = 6.247$

The pH of the buffer can be known as

$pH = pK_{a} + log[\frac{[A-]}{[HA]}}]$

The concentration of $[A^{-}] = Moles of [A]/Total volume = 0.608/2 = 0.304 M\\$

Similarly, the concentration of [HA] = $\frac{Moles of HA}{Total volume} = \frac{0.809}{2} = 0.404$

Then the pH of the buffer will be

pH = 6.247 + log [ 0.304/0.404]

$pH = 6.247 + log 0.304 - log 0.404=6.247-0.517+0.3936=6.1236$

So, the pH of the buffer is 6.1236.

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3 years ago

Most plants and all animals depend on _____ to meet their need for nitrogen.

kirill115 [55]

They depend on nitrogen-fixing bacteria, which convert atmospheric nitrogen into a usable form.

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3 years ago

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Aqua regia, a mixture of HCl and HNO₃, has been used since alchemical times to dissolve many metals, including gold. Its orange

marissa [1.9K]

Aqua regia is an oxidative mixture that is highly corrosive and is composed of hydrochloric acid and nitric acid. The Ea (rev) for the reaction is 3 kJ.

<h3>What is activation energy?</h3>

The activation energy is the minimum required energy by the reactant to undergo changes to form the product. The activation energy of the reverse reaction is given by the difference in the production state and transition state.

It is given as,

Ea (rev) = Ea (fwd) − ΔHrxn

Given,

ΔH° = 83KJ

Ea (fwd) = 86 kJ/mol

Substituting the values above as:

Ea (rev) = 86 - 83

= 3 kJ

Therefore, the activation energy of the reverse reaction is 3 kJ.

Learn more about activation energy, here:

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1 year ago

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3 years ago

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