The dark areas on the map show the distribution of coral reefs around the world. What explanation best
describes why the distribution of coral reefs is limited to the areas shown on the map? ( marine science)
- Competition for space is lowest in waters along the equator.
- Equatorial waters provide some of the clearest water for symbiotic algae to pro
pce energy,
- Predation is lowest in areas along the equator because of increased rates of decomposition.
- The corals need the strong water currents found here in order to find sufficient mates.
Answers
Answer:
I think is D not sure
Explanation:
In an ecosystem, the corals need the strong water currents found here in order to find sufficient mates.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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Related Questions
2. Water vapor in the atmosphere is the source of
Answers
Answer:
Warmth (in addition to sunlight) at the Earth's surface.
Explanation:
Heat radiated from Earth's surface is absorbed by water vapor molecules in the lower atmosphere. The water vapor molecules, in turn, radiate heat in all directions. Some of the heat returns to the Earth's surface. Thus, water vapor is a second source of warmth (in addition to sunlight) at the Earth's surface.
What is molarity of 47.0 g KCl dissolved in enough water to give 375 mL of solution?
Answers
This question provides us –
Weight of [tex] \bf KCl [/tex] is = 47 gVolume, V = 375 mL__________________________________________
Molar Mass of [tex]\bf KCl [/tex] –[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf 39.0983 \times 35.453 [/tex]
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf 74.5513[/tex]
Using formula –
[tex]\qquad[/tex] [tex]\purple{\twoheadrightarrow\bf Molarity _{(Solution)} = \dfrac{ W\times 1000}{MV}}[/tex]
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf Molarity _{(Solution)} = \dfrac{ 47 \times 1000}{74.5513\times 375}[/tex]
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf Molarity _{(Solution)} = \dfrac{47000}{27956.7375}[/tex]
[tex]\qquad[/tex] [tex]\twoheadrightarrow\bf Molarity _{(Solution)} = \cancel{\dfrac{47000}{27956.7375}}[/tex]
[tex]\qquad[/tex] [tex] \twoheadrightarrow\bf Molarity _{(Solution)} = 1.68117M [/tex]
[tex]\qquad[/tex] [tex]\pink{\twoheadrightarrow\bf Molarity _{(Solution)} = 1.7M} [/tex]
Henceforth, Molarity of the solution is = 1.7M___________________________________________
what type of matter is gold, an element used in making jewlery?
Answers
Answer:
Pure gold belongs to ELEMENT because it purely consists of one single element, which is Aurum (Au.)
Explanation:
When pure gold is mixed with other elements to make jewelry, it becomes a mixture.
Calculate the molarity of (3.25 mol of LiCl in 2.78 L solution
Answers
[tex]\text{Morality}= \dfrac{\text{Number of moles}}{\text{Volume}}=\dfrac{3.25}{2.78}=1.169 ~mol/L[/tex]
What is the mass of 15100 mL of oxygen gas at STP?
Answers
Answer:
02 has a mass of 1.78 g.
Explanation:
hope this helps
298K is equivalent to how many degrees Celsius?
Explain the steps
Answers
Answer:
24.80°C
Explanation:
hope it helps...!!!
Calculate the pH of a solution whose pOH is 11.
Answers
Answer:
3
Explanation:
pH + pOH = 14
pH + 11 = 14
pH = 3
socraticorgquestionshowdoyoucalculatethephofasolutionwhengiventheohconcentration
Anthony F BRIAN M
The volume of a gas is 3.0 L, the pressure is 1.0 atm, and the temperature is 300 K. A chemist changes one factor while keeping another constant so that the new volume is 2.0 L. Which of the following could be the new conditions?
Group of answer choices
The final pressure is 0.5 atm, while temperature is kept constant.
The final temperature is 200 K, while pressure remains constant.
The final pressure is 0.2 atm, while temperature is kept constant.
The final temperature is 350 K, while pressure remains constant.
Answers
Given the data from the question, the final temperature is 200 K, while pressure remains constant.
Basic conceptsTo obtain the correct answer to the question, we shall consider two conditions:
Case 1 (temperature is constant) Case 2 (pressure is constant) Case 1 (Temperature is constant)We shall determine the new pressure by using the combined gas equation (P₁V₁ / T₁ = P₂V₂ / T₂) as illustrated below:
Initial volume (V₁) = 3 LInitial pressure (P₁) = 1 atmTemperature = constant New Volume (V₂) = 2 L New pressure (P₂) =?P₁V₁ / T₁ = P₂V₂ / T₂
Since temperature is constant, we have:
P₁V₁ = P₂V₂
3 × 1 = P₂ × 2
3 = P₂ × 2
Divide both side by 2
P₂ = 3 / 2
P₂ = 1.5 atm
Case 2 ( pressure is constant)We shall determine the new temperature by using the combined gas equation (P₁V₁ / T₁ = P₂V₂ / T₂) as illustrated below:
Initial volume (V₁) = 3 LInitial pressure (T₁) = 300 KPressure = constant New Volume (V₂) = 2 L New pressure (T₂) =?P₁V₁ / T₁ = P₂V₂ / T₂
Since pressure is constant, we have:
V₁ / T₁ = V₂ / T₂
3 / 300 = 2 / T₂
1 / 100 = 2 / T₂
Cross multiply
T₂ = 100 × 2
T₂ = 200 K
SUMMARY
when the temperature is constant, the new pressure is 1.5 atmWhen the pressure is constant, the new temperature is 200 KFrom the calculations made above, we can conclude that the correct answer is:
The final temperature is 200 K, while pressure remains constant.
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Answer:
b
Explanation:
Use the periodic table and example bond table to answer the question.
Example Bond Energies of Ionic Compounds:
Li-F = 1036 kJ/mol
Li-Br = 807 kJ/mol
Na-F = 923 kJ/mol
Na-Br = 747 kJ/mol
Given the general trend with bond energies, which compounds would have the smallest bond energy?
A. Cs-Br
B. K-Br
C. Cs-F
D. K-F
Answers
In keeping with the general trends, K-Br will have the smallest bond energy. The bond energy refers to the energy that keeps the atoms in a bond together.
What is bond energy?Bond energy is the energy that is required to hold atoms together in a bond. This energy must also be supplied when the atoms are to be separated.
We have the bond energies of each of the bons in the question, we have to note that the the smallest value of bond energy is Na-Br hence in keeping with the general trends, K-Br will have the smallest bond energy.
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Answer:
Chemistry B Semester Exam 5/4/2023
1. Cs-Br
2. K-C is ionic, and C-O is polar covalent
3. All molecules are in constant motion, so they all have some kinetic energy.
4. The reaction between substances A and B has a lower activation energy than the reaction between substances B and C.
5. More bond energy is absorbed on the reactants side than is released on the products side.
6. an exothermic reaction
7. Endothermic reactions have a higher activation energy. Endothermic reactions require more energy to break up the bonds of the reactants.
8. Heat must be released by the products in order to convert from the reactants.
9. Cooling a purple solution will turn it pink.
10. Both are flexible, but one conducts electricity while the other insulates.
11. high pressure, high-temperature water extraction
12. steel + vanadium for shock absorption
13. 15
14. the number of atoms, type of elements, and mass of reactants and products are equal.
15. 64 grams
16. 1.503x10^23
17. The relative numbers of protons and neutrons can differ before and after the change, but the total number of those particles remains the same.
18. The plastic balls are a good representation of neutrons, but there is no splitting of nuclei as happens in fission.
19. beta minus decay
20. alpha decay
21. Greenhouse gases have more than two atoms, allowing them to vibrate and release radiation, warming the atmosphere.
22. cause: acid rain, consequence: destruction of crops
23. toxic bacteria in the water supply
24. it reaches hard to get to oil and gas deposits.
What environmental change is shown in the image that might affect the survival of animals
A. Increased space
B. Increased predators
C. Lack of food
D. Pollution
Answers
Answer:
it thinks it pollution
Explanation:
hope that helps
Starting with the following equation,
BaCl2(aq) + Na3PO4(aq) → Ba3(PO4)2(S) + NaCl(aq)
Calculate the mass in grams of BaCl2 that will be required to produce 50.5 grams of Ba3(PO4)2.
Answers
In the double displacement reaction between BaCl₂ and Na₃PO₄, 52.4 g of BaCl₂ are required to produce 50.5 g of Ba₃(PO₄)₂.
What is stoichiometry?Stoichiometry refers to the relationship between the quantities of reactants and products before, during, and following chemical reactions.
Step 1: Write the unbalanced equation.BaCl₂(aq) + Na₃PO₄(aq) → Ba₃(PO₄)₂(s) + NaCl(aq)
Step 2: Balance the equation.We will use the trial and error method. We will:
Multiply BaCl₂ by 3 to balance Ba atoms.Multiply Na₃PO₄ by 2 to balance P atoms.Multiply NaCl by 6 to get the balanced equation.3 BaCl₂(aq) + 2 Na₃PO₄(aq) → Ba₃(PO₄)₂(s) + 6 NaCl(aq)
Step 3: Calculate the mass of BaCl₂ required to produce 50.5 g of Ba₃(PO₄)₂.The mass ratio of BaCl₂ to Ba₃(PO₄)₂ is 624.69:601.93.
50.5 g Ba₃(PO₄)₂ × 624.69 g BaCl₂/601.93 g Ba₃(PO₄)₂ = 52.4 g BaCl₂
In the double displacement reaction between BaCl₂ and Na₃PO₄, 52.4 g of BaCl₂ are required to produce 50.5 g of Ba₃(PO₄)₂.
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Name the Covalent compound NH3O2
Answers
The name of the covalent compound NH3 O2 is dihydroxylamine.
Naming compoundsAccording to the task content;
It follows that the given covalent compound whose name is to be written is; NH3O2.On this note, the compound possesses 2 oxygen atoms, 3 Hydrogen atoms and 1 Nitrogen atom. Hence, the name of the covalent compound is Dihydroxylamine.
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Which pictures show the car at zero acceleration? A. Picture 1 only. B. Pictures 1 and 3. C. Picture 2 and 4. D. Picture 4 only.
Answers
Picture 1 shows choice B
Explanation:
picture 1 shows the car to which the net force is a zero
How can you use a barium chloride solution to help identify a sulfate solution?
Answers
answer explanation:
Sulfate ions in solution, SO 4 2 -, are detected using barium chloride solution. The test solution is acidified using a few drops of dilute hydrochloric acid, and then a few drops of barium chloride solution are added. A white precipitate of barium sulfate forms if sulfate ions are present.Answer:
Testing for sulfate ions
Sulfate ions in solution, SO 4 2 -, are detected using barium chloride solution. The test solution is acidified using a few drops of dilute hydrochloric acid, and then a few drops of barium chloride solution are added. A white precipitate of barium sulfate forms if sulfate ions are present.
Explanation:
How do i solve this?
Draw the product of this reaction. Ignore inorganic byproducts.
Answers
The compound is formed by addition reaction. The product is showed in the image attached.
Addition reactionThe term addition reaction refers to a type of reaction in which a compound is added across the multiple bond. In this case, the iodine molecule is added to the olefinic bond as shown.
The structure of the product formed has been attached to this answer. The product is formed by addition across the double bond.
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what is safe storage of produced materials
Answers
Answer:
Stacking bags and bundles.
Explanation:
Interlock them in rows to ensure they're secure.
Answer:
Material Storage Facilities means an uncovered area used on a permanent basis for outside
Explanation:
Material Storage Facilities means an uncovered area where bulk materials (liquid, solid, granular, etc.) are stored in piles, barrels, tanks, bins, crates, or other means.
Additional Benchmarks for Federal, State, or Municipal Facilities with Incidental Solid De-Icing Material Storage Facilities monitoring under the requirements of subparagraph (D)(ii) above shall not be subject to Benchmark requirements for Chloride or Cyanide.
Directors are fully briefed on all business related matters, risk assessment and new initiatives proposed by the Company.
What volume of .15M NaOH could be produced with only 5 grams of NaOH and water?
Answers
The volume of 0.15M NaOH that could be produced with only 5 grams of NaOH and water is 0.83L.
How to calculate volume?The volume of a substance can be calculated using the following expression:
Molarity = number of moles ÷ volume
The number of moles of NaOH can be calculated by dividing the mass of NaOH by its molar mass.
Molar mass of NaOH = 40g/mol
n = 5/40
n = 0.125moles
Volume of NaOH = 0.125mol ÷ 0.15M
Volume = 0.83L
Therefore, the volume of 0.15M NaOH that could be produced with only 5 grams of NaOH and water is 0.83L.
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Help please!
__________ is caused by a bacteria that can be transmitted by a flea bite, contact with an infected person, or via airborne droplets. Symptoms are lymph glands that are swollen and painful ("buboes", red spots that turn black)
A ) Tuberculosis
B ) Syphilis
C ) Botulism
D ) Bubonic Plague
Answers
Answer:
Bubonic plague is the correct answer!!!
Explanation:
mark me brainliest
Answer:
The answer is Bubonic Plague
There are two varieties in a population of squirrels: short tails and long tails. Long-tailed squirrels are better at jumping and balancing in trees. Scientists observe that over the span of 100 years, the proportion of the population with long tails increases from 10% to 60%. Which statement is most likely? (1 point)
The proportion of long-tailed squirrels may have increased due to a decrease in trees.
The proportion of short-tailed squirrels may have decreased due to an increase in trees.
The proportion of short-tailed squirrels may have decreased due to decreased food availability.
The proportion of long-tailed squirrels may have increased due to increased food availability.
Answers
The proportion of long-tailed squirrels may have increased due to increased food availability.
The statement has it that the percentage of long tailed increased also that the long tailed are better at jumping and balancing on trees.
The first option could is tempting but saying decrease in trees would not likely support the argument.
The last option has more sound options as more food availability may lead to population increment
Hope it helps....
A reaction rate increases by a factor of 655 in the presence of a catalyst at 37°C. The activation energy of the original pathway is 106 kJ/mol. What is the activation energy of the new pathway, all other factors being equal? Group of answer choices 89.3 kJ/mol 16,600 kJ/mol 89.3 J/mol 16,600 J/mol
Answers
For a reaction rate that increases by a factor of 655 in the presence of a catalyst at 37°C, the activation energy of the new pathway is mathematically given as
Ea2=89.28JKoule/mol
What is the activation energy of the new pathway, all other factors being equal?Generally, the equation for the rate constant is mathematically given as
K=Ae^{Ea1/Rt}
Therefore
[tex]\frac{1}{655}=\frac{1}{8.31*3.10}(Ea2-105000)[/tex]
Ea2=89286.083Joule/mol
In conclusion, the activation energy
Ea2=89.28JKoule/mol
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. Calculate how many times greater the change in phosphorous levels between 1965 and 1975 is than between 2008 and 2014. Show your work.
Answers
The number of times phosphorous is greater in not visible in the data
How to calculate the change in Phosphorus levelsThe steps involved for calculating the times the change in phosphorus level are :
First step: Determine the difference between Phosphorus levels in 1965 and 1975
Second step: Determine the difference between Phosphorus levels in 2008 and 2014
Last step: Determine the quotient by dividing first step by second step
Hence can conclude that The number of times phosphorous is greater in not visible in the data.
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Attached below is the missing Image related to your question
how would changing the proportions in an alloy change its properties
Answers
Answer:
An alloy is a mixture of two or more metals which is produced with a specific proportion between metals. So, if the proportion is changed the physical characteristic would be changed as well. For example, brass musical instruments are made of brass which is a mixture (an alloy) of zinc and copper in a specific proportion. If you change a proportion, you will change the physical characteristic of brass musical instruments, and a sound they produce will be different.
Explanation:
if you add 3 mL of water to 1 ml of nadh mix and get an observance of 0.2 what is the concentration of the original nadh solution
Answers
Answer:
you are looking at the official nkana fc website
Determine the difference between archaea and bacteria. (1 point)
All bacteria are unicellular organisms, while some archaea are multicellular.
Archaea live in extreme environments, while bacteria can be found in most places on Earth.
Bacteria and archaea have different shapes.
Archaea is the domain of life that includes the plant and animal kingdoms, while the bacteria domain includes fungi and protists.
Answers
Answer:
I have this work and I'm in 5th grade
Explanation:
Answer:
Archaea live in extreme environments, while bacteria can be found in most places on Earth.
Explanation:
Doing a the test now and this is the answer.
energy contained in the
and
15. The energy transformation in a flashlight is from
battery to
energy in the circuit, to
energy released by the light bulb.
Answers
Answer:
yes of course is true the
Argon gas has a temperature of 180°C at a pressure of 900 torr. If the gas is heated to 370°C, what is the new pressure of Argon gas in atmospheres (atm)? (Hint: 1 atm = 760 torr)
Answers
Based on the calculations, the final pressure of this gas sample at 370°C is equal to 2.66 atm..
Given the following data:
Initial temperature = 180°C.
Final temperature = 370°C.
Initial pressure = 900 torr.
Conversion:
760 torr = 1 atm.
900 torr = 1.29 atm.
How to determine the final pressure.In order to calculate the final pressure of an ideal gas at constant volume, we would apply Gay Lussac's law.
Mathematically, Gay Lussac's law is given by this formula;
[tex]P\;\alpha \;T\\\\P=kT[/tex]
Where:
P is the pressure.T is the temperature.k is the constant of proportionality.Substituting the given parameters into the formula, we have;
[tex]\frac{P_1}{T_1} =\frac{P_2}{T_2} \\\\\frac{1.29}{180} =\frac{P_2}{370} \\\\0.0072 =\frac{P_2}{370}\\\\P_2 = 0.0072 \times 370[/tex]
Final pressure = 2.66 atm.
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What type of reaction is 2NaBr+Cl2-NaCl+Br2
Answers
Answer:
An anionic single replacement reaction.
Explanation:
Hope this helps!!!
Answer:
Substitution or Displacement maybe?
Spell out the full name of the compound?
Answers
What does the sum of oxidation numbers need to equal for a charged compound?
Answers
Answer:
The charge on the compound
Explanation:
The charge on the compound signifies that the compound is not in its neutral state.
Therefore, the oxidation state would be equal to the charge on the compound.
Answer:
The charge on the compound
Explanation:
The charge on the compound signifies that the compound is not in its neutral state.
Therefore, the oxidation state would be equal to the charge on the compound.
If 4.65 LL of CO2CO2 gas at 22 ∘C∘C at 793 mmHg mmHg is used, what is the final volume, in liters, of the gas at 35 ∘C∘C and a pressure of 743 mmHg mmHg , if the amount of CO2CO2 does not change?
Answers
Answer:
About 7.9 L.
Explanation:
We can utilize the ideal gas law. Recall that:
[tex]\displaystyle PV = nRT[/tex]
Because the amount of carbon dioxide does not change, we can rearrange to formula to:
[tex]\displaystyle \frac{PV}{T}= nR[/tex]
Because the right-hand side stays constant, we have that:
[tex]\displaystyle \frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2} = nR[/tex]
Hence substitute initial values and known final values:
[tex]\displaystyle \begin{aligned} \frac{(793\text{ mm Hg})(4.65 \text{ L})}{(22 \text{ $^\circ$C})} & = \frac{(743 \text{ mm Hg})V_2}{(35\text{ $^\circ$C})} \\ \\ V_2 & = 7.9\text{ L}\end{aligned}[/tex]
Therefore, the final volume is about 7.9 L.