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NikAS [45]
3 years ago
11

How does an ecosystem benefit when leaves fall from a tree and decompose on the soil?

Chemistry
2 answers:
nexus9112 [7]3 years ago
5 0

Answer:

A. Nutrients are released into the soil

miskamm [114]3 years ago
4 0
The first answer is w
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What is the pH of a solution with a hydrogen concentration of 4.3 X 10^-12
oksano4ka [1.4K]

Answer:

pH = 11.37

Explanation:

To find the pH of a solution, we can use the formula:

pH = -log[H+]

Let's plug in what we know.

pH = -log(4.3 x 10^{-12})

Evaluate the log.

pH = 11.37

Hope this helps!

6 0
3 years ago
A bicycle pump contains 250 mL of air at a pressure of 102 kPa. If the pump is
CaHeK987 [17]

Considering the Boyle's law, the new volume becomes 1,148,344.444 mL or 1148.34 L.

<h3>Boyle's law</h3>

Boyle's law relates pressure and volume, stating that the volume occupied by a given mass of gas at constant temperature is inversely proportional to pressure. This means that if the pressure increases, the volume decreases, while if the pressure decreases, the volume increases.

Boyle's law is expressed mathematically as:

P×V=k

Now it is possible to assume that you have a certain volume of gas V1 which is at a pressure P1 at the beginning of the experiment. If you vary the volume of gas to a new value V2, then the pressure will change to P2, and the following is true:

P1×V1=P2×V2

<h3>New volume</h3>

In this case, you know:

  • P1= 102 kPa= 10335.1 atm (being 1 kPa= 101.325 atm)
  • V1= 250 mL
  • P2= 2.25 atm
  • V2= ?

Replacing in the Boyle's law:

10335.1 atm ×250 mL= 2.25 atm×V2

Solving:

(10335.1 atm ×250 mL)÷ 2.25 atm= V2

<u><em>1,148,344.444 mL= 1148.34 L=  V2</em></u>

Finally, the new volume becomes 1,148,344.444 mL or 1148.34 L.

Learn more about Boyle's law:

brainly.com/question/4147359

#SPJ1

3 0
2 years ago
What is the square root of 54554? What is the square root of 35654?
Zarrin [17]
√54554 = 233,56.
√35654 = 188,82.
Square root<span> of a number x</span><span> is a number </span>y<span> and equation for </span><span>y is y = x</span>² or<span> x is square of number </span>y, multiplying y by itself, y·y. 
For example, 5 and −5 are square roots of 25 because 5² = (−5)²<span> = 25</span>. The principal square root is e<span>very nonnegative </span>real number with<span> a unique nonnegative square root</span>.
3 0
3 years ago
What color does potassium burn
SIZIF [17.4K]
Potassium burns a violet color
7 0
4 years ago
Read 2 more answers
A bar of metal has a volume of 4.5 cm3 and a mass of 33 g. What is the<br> density of the metal?
raketka [301]

Answer:

the density of metal is 7.33 g/cm³.

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Given data:

Volume of bar metal = 4.5 cm³

Mass of bar metal = 33 g

Density = ?

Solution:

d = m/v

d = 33 g/ 4.5 cm³

d = 7.33 g/cm³

8 0
3 years ago
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