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Rudiy27
3 years ago
14

Why might the increase of noise in natural areas be a problem, according to scientists studying wildlife? Support your answer wi

th at least two details from the text.​
Chemistry
1 answer:
White raven [17]3 years ago
8 0

Answer:

The increase of noise in the wild zones affects the life of the individuals, promoting their extension, their alteration and diminishing their quality of life, this is also known as noise pollution

Explanation:

Some ecologists maintain that it is essential for the life of the wild animal that there is no disturbance of human contamination, since in this way the animals will be even more stressed and will affect both their feeding and reproduction and even the possible immunology of the animals. animals.

The contaminations are several, one of them is known as sound pollution, which refers to how humans intervene with sound and contaminate natural areas.

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URGENT is... Mg(ClO3)2
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That's a ionic compound because it has a metal and polyatomic parts within the chemical formula.

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3 years ago
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Calculate the pH for the following weak acid. A solution of HCOOH has 0.12M HCOOH at equilibrium. The Ka for HCOOH is 1.8×10−4.
Shtirlitz [24]

Answer:

the pH of HCOOH solution is 2.33

Explanation:

The ionization equation for the given acid is written as:

HCOOH\leftrightarrow H^++HCOO^-

Let's say the initial concentration of the acid is c and the change in concentration x.

Then, equilibrium concentration of acid = (c-x)

and the equilibrium concentration for each of the product would be x

Equilibrium expression for the above equation would be:

\Ka= \frac{[H^+][HCOO^-]}{[HCOOH]}

1.8*10^-^4=\frac{x^2}{c-x}

From given info, equilibrium concentration of the acid is 0.12

So, (c-x) = 0.12

hence,

1.8*10^-^4=\frac{x^2}{0.12}

Let's solve this for x. Multiply both sides by 0.12

2.16*10^-^5=x^2

taking square root to both sides:

x=0.00465

Now, we have got the concentration of [H^+] .

[H^+] = 0.00465 M

We know that, pH=-log[H^+]

pH = -log(0.00465)

pH = 2.33

Hence, the pH of HCOOH solution is 2.33.

7 0
3 years ago
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An aluminum cylinder has a radius of 3.2 cm and a length of 8.6 cm. What is the mass of the aluminum cylinder if aluminum has a
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Answer:

750g of Aluminum

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V = 3.14cm x 10.24cm x 3.6cm

V = 280cm^3

Now density = mass/volume

2.7g/cm^3 = mass/280cm^3

2.7g/cm^3 x 280cm^3 = mass/<u>280cm^3</u> x <u>280cm^3</u>

= 750g of Aluminum

5 0
3 years ago
Which of the following planets has ammonia clouds in its atmosphere?
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Jupiter and Saturn has ammonia clouds in its atmosphere since the molecules of ammonia gas that are present in their atmospheres condense to form clouds. However, these ammonia clouds are more visible in Jupiter than in Saturn because of their lower altitude in Saturn.

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1. How many miles are in 1,000,000 centimeters
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