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3 years ago

What would happen if the sand dunes in an area were destroyed?

Chemistry

2 answers:

Andru [333]3 years ago

4 0

Answer:

Then everything around the sand dunes are destroyed. It's like a domino effect.

Explanation:

Komok [63]3 years ago

3 0

Answer:

Our beaches would be unprotected

In the short-term, these artificial sand hills will be destroyed by the elements. Because sand dunes protect inland areas from swells, tides, and winds, they must be protected and defended like national treasures. ... The ocean and the wind can have an unpredictable, destructive force on coastal regions.

- surfertoday

Natural sand dunes play a vital role in protecting our beaches, coastline and coastal developments from coastal hazards such as erosion, coastal flooding and storm damage. Sand dunes protect our shorelines from coastal erosion and provide shelter from the wind and sea spray.

- Waikato Regional Council

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Solution of the Schrodinger Wave Equation for the hydrogen atom results in a set of functions (orbitals) that describe the behav

kenny6666 [7]

Answer:

n is the principal quantum number, it specifies the energy and average distance from the nucleus

l is the orbital quantum number, it specifies the subshell/orbital shape

ml is the magnetic quantum number and specifies the orbital orientation

Explanation:

The Schrödinger wave equation is solved for the hydrogen atom to yield three sets of quantum numbers.

The principal quantum number corresponds to the energy level in the Bohr model and also shows the average distance of the electron from the nucleus.

The orbital quantum number reveals the subshell where an electron is found as well as the shape of the orbital. E.g p-orbitals are dumbbell shaped.

The magnetic quantum number shows the orientation of an orbital in space. Its values range from -l to +l

7 0

3 years ago

In the equation 2 H2 + O2 -> 2H2O, H2, O2, and H2O are all trace elements. Only H2O is a compound. Only H2 and O2 are compoun

stiks02 [169]

Answer: only H2O is a compound

Explanation:

6 0

3 years ago

Which type of species distribution pattern might require collaboration between different countries for effective preservation?

Zolol [24]

Answer:

migratory distribution

Explanation: The pattern of migratory distribution of species may require collaboration between different countries for effective preservation. This is because species migration can make them enter different territories, which will need to provide an effective level of preservation for species survival

4 0

3 years ago

The proper technique used to obtain a liquid sample using a pipette involves: Group of answer choices your mouth on one end of t

Ksivusya [100]

Answer:

A suction bulb or pipette pump to suction the sample.

Explanation:

There are different types of pipettes that can be used in a laboratory:

Volumetric pipette-used to transfer a specific calculated amount of liquid
Graduated pipettes-used to transfer different calculated amounts of liquid from one container to another.
Micropipettes-used to transfer small amounts of liquids
Pasteur pipettes- just like micropipettes, pasteur pipettes are used to transfer small amounts of liquids, but manually. They are also called droppers.

5 0

3 years ago

You have 41.6 g of O2 gas in a container with twice the volume as one with CO2 gas in another container. The pressure and temper

prisoha [69]

Answer:

The mass of carbon dioxide is 28.6 grams

Explanation:

Step 1: Data given

Mass of O2 = 41.6 grams

Volume of the O2 container = 2V

Volume of the CO2 container = V

Pressure and temperature are the same

Step 2: Ideal gas law

The ideal gas law = p*V=nRT

For O2: p*2V = n(O2)*R*T

For CO2: p*V = n(CO2)*R*T

n(O2)*R*T / P*2V = n(CO2)*R*T / P*V

Since P, R and T are contstant, we can simplify this to:

n(O2)/2 = n(CO2)

Step 3: Calculate moles of O2

Moles O2 = mass O2/ Molar mass O2

Moles O2 = 41.6 grams / 32 g/mol

Moles O2 = 1.3 mol O2

The number of moles CO2 = 0.65 mol

Mass of CO2 = Moles CO2 * Molar Mass CO2

Mass of CO2 = 0.65 mol * 44.01 g/mol

Mass of CO2 = 28.6 grams

The mass of carbon dioxide is 28.6 grams

5 0

4 years ago