Answer:
Explanation:
Barrier Islands act just as the name states, they are barriers that protect the beaches. They exist to absorb the majority of the external energies that waves, hurricanes, storms, etc. Without it, the beaches begin to become absorbed by the ocean, due to the destructive energy these factors apply, as well as eroding away all rocks into the ocean. This is mainly why the beach with a barrier island is completely protected while the one without a barrier island is decreasing in size.
Island barriers grow near the continent protecting the coasts from erosive factors. The beach with no islands decreases in size because there are no physical limitations that protect the continent from erosion.
------------------------
Barrier islands are deposition of material -sand or any other substrate- that lay on a rocky surface. They get formed near the continent, parallel to the coasts. They play a significant role in avoiding the erosion process.
These islands receive the direct impact of storms, winds, and waves action. Their shape is very dynamic, being constantly modeled by these erosive factors.
These barriers protect the continent from winds, waves, tides, streams, storms, hurricanes, and any other meteorological event that might cause erosion and destruction.
They absorb the energy produced by erosive factors. They also provide a protected area behind them that allows the formation of estuaries and swamps.
A wide diversity of species inhabit these islands, becoming significant spots to protect their biodiversity.
The beach is decreasing on the end without the barrier islands because there is no physical limitations that can protect the continent from the action of waves, tides, and winds, among others. The coasts get eroded, and the beach gets smaller.
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HELP! WILL GIVE BRAINLIEST DUE SOON
Dome Mountains are formed when:
A: plateaus are eroded away
B: faults rub against each other
C: magma escapes from the crust
D: magma pushes up sedimentary rock
Answer:
I am not the best to answer this but I think it would be B
Explanation:
Which of the following is a type of kinetic energy.
A. A television playing.
B. Magnets stuck to each other.
C. A car parked at the top of a hill.
D. A rolling ball.
Answer:
a rolling ball
Explanation:
kinetic energy is movement energy
14.) Analyze: What pattern do you see?
A white light shined onto a green brick bricks science
Answer:what’s the question?
Explanation:
Intermolecular forces exist between what?
Answer:
Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forces are forces that exist between molecules.
Explanation:
which metals take part in chemical reactions when exposed to the air?
Answer:
sodium metal take part when exposed to air
correct name for PtO.
Answer:
It may stand for 'Paid Time Off'
Explanation:
I need more context but that's probably it.
Answer:
gracias
Explanation:
Calculate the change in temperature of a 650. g sample of water that loses 5480. J of energy
Answer:
2
Explanation:
1) the formula of the energy is:
E=cm*Δt, where E - the value of the energy (5480 J.), c - the specific heat capacity (4200 J/(kg*C)), Δt - the difference between initial temperature and the final one (it is unknown);
2) if to perform the substitution of the values 'E', 'm' and 'c' into the formula above, then
5480=4200*0.65*Δt;
3) to calculate Δt:
Δt=5480/4200/0.65≈2 (°C).
note: the initial temperature is higher than the final.
) An organic chemistry lab book gives the following solubility data for oxalic acid 9.5g/100ml water 23.7g/100ml ethanol 16.9g/100ml ether (a) A 14CL student has 40 g of oxalic acid in 1000ml of water and wishes to extracted into an organic solvent for further experiments. Which solvent should the student use for the extraction
Answer:
Ethanol
Explanation:
Solvent extraction is the process in which a compound transfers from one solvent to another owing to the difference in solubility or distribution coefficient between these two solvents(Science Direct).
We have to remember that oxalic acid will be extracted better into a solvent in which it is more soluble. From the data given; oxalic acid is more soluble in ethanol than in ether.
This simply means that ethanol is a better solvent for extracting oxalic acid from water when compared to ether.
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If you don't want to get reported and want brainiest, answer the question and don't just spam some random things. I really need help with this that's why I'm giving so many points
Answer:
Uiiikjhb+2
Explanation:
I’m gonna swinggggggf
Which atom is oxidized in the reaction of benzhydrol with bleach?
Answer:
Which atom is oxidized in the reaction of benzhydrol with bleach?
Explanation:
n this experiment, students will perform a simple oxidation reaction of a secondary
alcohol. Recall that Oxidation Is a Loss of electrons while Reduction Is a Gain of electrons (OIL
RIG). In order to apply this mnemonic, you must know the oxidation states of each atom within
the compound, with particular interest on carbon. Carbon can carry oxidation states ranging
from -4 to +4. A few examples are shown in Figure 1 below. It is also common for carbon to
carry an oxidation state of -3, -1, +1, and +3.
Figure 1. Examples of carbon’s oxidation levels.
You may have noticed that all of the compounds in Figure 1 are neutral and carbon has
zero formal charge in each example. The concept of oxidation state and formal charge are
similar with one important difference in the calculation. Both are calculated by taking the
difference between the valence electrons (from the periodic table) and the number of electrons
belonging to that atom within the molecule. For a given atom, the valence electrons will never
change but the electrons ‘belonging’ the atom in the molecule will vary depending on number of
lone pairs and attachments to more or less electronegative atoms. The important difference in
the calculation of oxidation states and formal charge is based on the following assignment of
bonding electrons (Figure 2). This is how the highlighted carbon in ethanol can have an
oxidation state of -1 but a formal charge of zero.
- Oxidation states assign bonding electrons to the more electronegative atom in a bond,
except when the two atoms are the same and the bonding electrons are split equally.
Answer:
so the reaction would probably would be a chemical reaction
"When benzophenone reduces to diphenylmethanol, leftover products include the CH2OH and NaBH3 species. The energetic CH2OH and NaBH3 quickly bond to give (CH2OH)H3B-Na+. This complex is the main second product of benzophenone reduction."
Reactant Ratios
"In life, four benzophenone molecules react with each BH4 complex. Since four benzophenone molecules each attract a hydrogen atom from the “BH4” hydrogen donor, four “CH2OH”s bond with each boron (B) atom. Realistically, the secondary product is (CH2OH)4B-Na+ and four diphenylmethanol molecules. Focusing on one benzophenone molecule at a time is helpful for explaining and understanding reaction steps."
i hope it helps
=>
Please put them in order for 15 points
Answer:
I forgot that but I think boron is first d ff\
Explanation:
If it takes 3.5 hours for the Hogwarts Express, moving at a speed of 120 mi/hr, to it make it from Platform
9 and ¾ to Hogwarts, how far apart are they?
Answer:
3/4 miles
Expanation:Because 9+3/4 is 3/4 miles
I need help please on chemistry
Please write a essay and pick one prompt and at least half a page long thank you!
1. What are the physical and chemical properties of metals? Describe the carrot sticks of each and what each means.
2. Explain the difference between chemical and physical changes. Give to real-world examples of each.
2. How do you find the density of a substance given its mass and volume? Write the equation.
Density =
Answer:Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.
Explanation:
The scientific method
A.is a recipe for doing science
B.will always give the right answer
C.is a systematic approach to the study of phenomena
D.involves preconceived ideas
Answer:
A. Is a recipe for soing science
Explanation:
A scientific method is a procedure for conducting science experiments, its almost like a recipe for a science experiment.
How is wave technology used in medical field ?
Plz answer ASAP thank you
A reactive metal that burns with oxygen and makes a white bright light is?
sodium
iron
magnesium
copper
Answer:
it is magnesium hope it helps
Why is it important to keep detailed records and notes about evidence and the crime scene
Answer:
It is important to record the crime scene in order to view how it was originally found so when items are removed, it can still be investigated and viewed.
Explanation:
10)
What is the function of phloem tissue in the plant transport system?
A)
It prepares food
B)
It transports food.
C)
It transports water.
D)
It provides support
What force on Earth can affect the pull of gravity?
Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is. Earth's gravity comes from all its mass.
Answer:
the moon or the sun
Explanation:
How many grams of hydrogen are produced when 125 g of iron reacts with 125 g of water?
3 Fe + 4H2O ---> Fe3O4 + 4H2
5.95g
13.89g
111.11g
119.10g
Everything in the universe that we can detect is either matter or ___________.
Answer:
Everything in the universe that we can detect is either matter or energy.
Everything in the universe that we can detect is either matter or energy.
What is energy?Energy exists in the capacity of a physical system to do work. The common symbol for energy exists in the uppercase letter E. The standard unit stands for the joule, symbolized by J. One joule (1 J) exists as the energy resulting from the equivalent of one newton (1 N) of force operating over one meter (1 m) of displacement.
A matter is referred as a substance having a certain mass and can take up a certain volume in the space. For example pen, pencil, toothbrush, water, milk are matters as well as car, bus, bicycle is also a matter. So matter is considered as a living thing and a non-living thing.
Energy, is the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
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A proposed mechanism for one of the pathways for the destruction of ozone in the atmosphere is: step 1: O3 NO NO2 O2 step 2: NO2 O NO O2 (a) Identify the molecularity of each step in the mechanism. step 1 _________ step 2 _________ (b) Write the equation for the net reaction. Use the smallest integer coefficients possible. If a box is not needed, leave it blank.
Answer:
See explanation
Explanation:
The destruction of ozone is a non-elementary reaction. This means that it does not take place in a single reactive encounter. The reaction rather takes place is a sequence of steps called the reaction mechanism.
We can see that in the overall reaction, ozone is reduced to ordinary oxygen thus the ozone layer is depleted by this reaction. It is a two step reaction as shown.
Both steps (1) and (2) are bimolecular. The equation of the net reaction is shown in the image attached.
Which are characteristics of electromagnetic waves? Check all that apply.
travel in straight lines and can bounce off surfaces
travel through space at the speed of light
travel only through matter
travel only through space
can bend around objects
move by particles bumping into each other
move by the interaction between an electric field and a magnetic field
The characteristics of electromagnetic waves are that they travel in straight lines and can bounce off surfaces,travel through space at speed of light,can bend around objects,move by interaction between electric field and magnetic field.
What are electromagnetic waves?The electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.
The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.
In vacuum ,all the electromagnetic waves travel at the same speed that is with the speed of air.The position of an electromagnetic wave in an electromagnetic spectrum is characterized by it's frequency or wavelength.They are emitted by electrically charged particles which undergo acceleration and subsequently interact with other charged particles.
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1. Convert each of the following Celsius temperatures to Kelvin. a) 27°C b) 100°C c) 0°C
Answer:
a) 300K
b) 373K
c) 273K
Explanation:
to go from °C to K all you have to do is add 273.
What is the formula for tin (II) nitrite?
Answer:
tin nitrite Formula:Sn(NO2)2
The formula for tin (II) nitrite Sn(NO2)2.
What is Molecular formula?Two atoms together chemically form a molecule. The chemical formula for a molecular compound's molecular formula lists the variety of atoms that make up the molecule.
A subscript under oxygen in CO2, for instance, indicates that there are two oxygen atoms present, but a subscript under carbon indicates that there is just one carbon atom present.
A nitronium salt is produced when tin(IV) nitrate and trifluoroacetic acid anhydride combine. Trifluoroacetic acid produces a similar molecule when it is solvated with it.
The number of each atom contained in a given molecule is indicated by the molecule's molecular formula. In essence, it is a list of the elements that are present in a molecule and how many of each there are.
Therefore, The formula for tin (II) nitrite Sn(NO2)2.
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double displacement reaction - write the balanced conventional, total ionic and net ionic equations:
Ca I2 (aq) + K2 C2 O4 (aq) >
Answer:
See explanation.
Explanation:
Hello!
In this case, these three equations show how the molecule behaves in terms aqueous and solid species; thus, we first write balanced conventional equation:
[tex]Ca I_2 (aq) + K_2 C_2 O_4 (aq)\rightarrow CaC_2O_4(s)+2KI(aq)[/tex]
Whereas the solid product is CaC₂O₄ based off its low solubility. Next, we ionize the aqueous species to obtain the total ionic equation:
[tex]Ca^{2+} +2I^- + 2K^+ +(C_2 O_4)^{2-} \rightarrow CaC_2O_4(s)+2I^- + 2K^+[/tex]
Finally, we cancel out potassium and iodide ions as they are the spectator ions due to their presence at both reactants and products in order to obtain the net ionic equation:
[tex]Ca^{2+} (aq) +(C_2 O_4)^{2-}(aq) \rightarrow CaC_2O_4(s)[/tex]
Best regards!
2-Methyl-2-pentanol can be made starting from two different ketone electrophiles using two different Grignard reagents: one from a lower molecular mass Grignard reagent and one from a higher molecular mass Grignard reagent. Provide the retrosynthetic analysis for both routes using bromine as the halogen.
Answer:
Explanation:
In this case, we can do this by thinking a little.
Both ways use a grignard reagent, the difference between both ways is that one use an electrophile ketone with a low molecular mass, and the other has a high molecular mass.
The grignard reagent is commonly used to reduce carbonyle groups to alcohols. In the first step, a complex with the reagent is formed in the carbonile, and in the second step, the oxygen atom is hidrated in acid or basic medium and form the respective alcohol.
For the first way, we will use a high molecular mass ketone. In this case the 2-pentanone reacting with CH₃MgBr as a grignard reagent.
For the second way, we will use a low molecular mass ketone, in this case Acetone, reacting with CH₃CH₂CH₂MgBr. Both of them, will give the same product of 2 methyl-2-pentanol. See picture below for that
Hope this helps