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3 years ago

List three functions of a wetland ecosystem.

Chemistry

2 answers:

Alekssandra [29.7K]3 years ago

8 0

They are particularly valuable components of the ecosystem. Much of this stems from their habitat for fish and wildlife, as well as for protecting water quality, erosion prevention, flood storage and recreation.

Their cleansing power provides natural pollution control and the way they filter and collect sediment from runoff water helps prevent mud from clogging lakes and reservoirs downstream. Wetlands help slow water flows, reducing downstream soil erosion.

Some wetlands, particularly those on floodplains and in coastal areas, function in aiding flood control by storing excess water during storm events.

Many wetlands temporarily store water, allowing it to percolate into the ground or evaporate. This can reduce peak flooding after a storm.

Wetlands shelter and feed thousands of different plants and animals, including many that are threatened and endangered. Nine of Nebraska's eleven federal endangered and threatened species use wetlands.

They also provide important winter cover for pheasants and other upland wildlife.

The ecological diversity of wetlands offers one of the most beautiful and aesthetically pleasing features of any landscape.

choli [55]3 years ago

6 0

Answer:

Water purification. Wetlands protect water quality by trapping sediments and retaining excess nutrients and other pollutants such as heavy metals.

Shoreline Stabilization.

Groundwater recharge and stream flow maintenance.

Explanation:

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An ideal gas originally at 0.85 atm and 66°C was allowed to expand until its final volume, pressure, and temperature were 94 mL,

svet-max [94.6K]

Answer : The initial volume was, 71.2 mL

Explanation :

To calculate the volume when temperature and pressure has changed, we use the equation given by combined gas law.

The equation follows:

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1,V_1\text{ and }T_1$ are the initial pressure, volume and temperature of the gas

$P_2,V_2\text{ and }T_2$ are the final pressure, volume and temperature of the gas

We are given:

$P_1=0.85atm\\V_1=?\\T_1=66^oC=[66+273]K=339K\\P_2=0.60atm\\V_2=94mL\\T_2=43^oC=[43+273]K=316K$

Now put all the given values in above equation, we get:

$\frac{0.85atm\times V_1}{339K}=\frac{0.60atm\times 94mL}{316K}$

$V_1=71.2mL$

Therefore, the initial volume was, 71.2 mL

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4 years ago

In forming a chelate with a metal ion, a mixture of free EDTA (abbreviated Y 4 − Y4− ) and metal chelate (abbreviated MY n − 4 M

Lyrx [107]

Answer:

There will 3.95 grams of Na2 and H2O that should be added to form a concentric required solution.

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3 years ago

Due to the small and highly electronegative nature of fluorine, the oxyacids of the this element are much less common and less s

Molodets [167]

Answer:

HOFO = (0, 0, +1, -1)

Explanation:

The formal charge (FC) can be calculated using the following equation:

$FC = V - N - \frac{1}{2}B$

<u>Where:</u>

V: are the valence electrons

N: are the nonbonding electrons

B: are the bonding electrons

The arrange of the atoms in the oxyacid is:

H - O₁ - F - O₂

Hence, the formal charge (FC) on each of the atoms is:

H: FC = 1 - 0 - 1/2*(2) = 0

O₁: FC = 6 - 4 - 1/2*(4) = 0

F: FC = 7 - 4 - 1/2*(4) = +1

O₂: FC = 6 - 6 - 1/2*(2) = -1

We can see that the negative charge is in the oxygen instead of the most electronegative element, which is the F. This oxyacid is atypical.

I hope it helps you!

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3 years ago

How did modern scientists experiment with Van Goghs paints to determine their chemical reactions?

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Answer:

the would test random expirements

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3 years ago

Nitrogen dioxide is produced by combustion in an automobile engine. For the following reaction, 0.377 moles of nitrogen monoxide

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Answer:

The amount of NO₂ that can be produced 8.533 g

Explanation:

According to question

2 NO(g) + O₂(g) → 2 NO₂(g)

Given

Moles of nitrogen monoxide = 0.377

Moles of oxygen = 0.278

$'For NO'=\frac{Mole}{Stoichiometry}=\frac{0.377}{2} =0.1855\\'For O_{2} '=\frac{0.278}{1}= 0.278\\$

Since 'NO' is the limiting reagent according to this ratio.

According to equation

2 moles NO reacts to form 2 moles NO₂

So, 0.1855 moles NO give = 0.1855 moles of NO₂

Mass of 1 mole NO₂ = 46 g/mole

Mass of 0.1855 moles = 46 x 0.1855 = 8.533 g

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4 years ago