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3 years ago

What happens if a species is unable to adapt to a changing environment.

1 answer:

4 0

The awnser your looking for would be B: It's Population decreases. Because if a species is unable to adapt to a changing environment the species would either have to move away or they could die in that location.

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What is the hydronium ion concentration of a 0.100 M acetic acid solution with Ka = 1.8 × 10-5? The equation for the dissociatio

evablogger [386]

Answer:

1.3×10⁻³ M

Explanation:

Hello,

In this case, given the dissociation reaction of acetic acid:

$CH_3CO_2H(aq) + H_2O(l) \rightleftharpoons H_3O^+(aq) + CH_3CO_2^-(aq)$

We can write the law of mass action for it:

$Ka=\frac{[H_3O^+][CH_3CO_2^-]}{[CH_3CO_2H]}$

Of course, excluding the water as heterogeneous substances are not included. Then, in terms of the change $x$ due to the dissociation extent, we are able to rewrite it as shown below:

$1.8x10^{-5}=\frac{x*x}{0.100-x}$

Thus, via the quadratic equation or solve, we obtain the following solutions:

$x_1=-0.00135M\\x_2=0.00133M$

Obviously, the solution is 0.00133M which match with the hydronium concentration, thus, answer is: 1.3×10⁻³ M in scientific notation.

Regards.

8 0

3 years ago

Read 2 more answers

Ray Of Light [21]

theAnswer:A

Explanation:

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2 years ago

Vitamin D has a percent composition of 42.98% C, and 57.02% H. Its molecular

Alex73 [517]

Answer:

Dont use alot of points

Explanation:

people scam like me and ay the wrong answer and get the points :|

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3 years ago

How do i write a report about Gold mining?

pentagon [3]

Your Essay Must include:
Introduction:Brings the main idea,Must be atleast 3 sentences.
Body/Details:Supports the main Idea,Must be atleast 8 sentences.
Body/Details(Optional):Supports the main Idea,Must be atleast 8 sentences.
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3 years ago

2. What human-related environmental

WITCHER [35]

Answer:

Polution

Explanation:

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3 years ago