Outline the steps involved in the synthesis of 4-bromo-3-nitro-phenol from 4-bromobenzoic acid.

Answer:

I think in the light-dependent reactions, energy absorbed by sunlight is stored by two types of energy-carrier molecules: ATP and NADPH. The energy that these molecules carry is stored in a bond that holds a single atom to the molecule. For ATP, it is a phosphate atom, and for NADPH, it is a hydrogen atom.

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Explanation:

Lithium sulfide

if my answer helps you than mark me as brainliest.

Answer:

parallels

Explanation:

hope it may help you

Answer:

The behavior of molecules in different phases of matter represents a balance between the kinetic energies of the molecules and the attractive forces between them. All molecules are attracted to each other. The molecules are in the solid-state. At higher temperatures, the kinetic energy of the molecules is higher.

Molecules are the various elements linked together and are present in the matter. The molecules in different phases of matter are represented by kinetic energies and attractive forces.

The kinetic molecular theory of matter elucidates the composition of the matter of particles of tiny size. The theory explains matter like gas, liquids, and solids.

The different states of matter explain the constant movement and negligible intermolecular force and volume of the particles. The particle matter is said to undergo elastic collision.

The molecules of solids have low kinetic energy whereas the molecules of liquids and gases show high kinetic energy as the particles are placed at larger distances.

Therefore, the state of matter affects the behavior of molecules.

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Answer:

dew is wet and clouds are not

Explanation:

Answer:

D. The sun has less gravitational pull on Pluto because it is farther away.

Answer:

It is the number one source of oxygen in the atmosphere. It contributes to the carbon cycle between the earth, the oceans, plants and animals. It contributes to the symbiotic relationship between plants, humans and animals. It directly or indirectly affects most life on Earth

Answer:

three importance are

it helps in fixing and balancing the amount of carbon dioxide and oxygen in the atmosphere

it provides the nutrition to the plant

it helps the. plant in its growth

Mass number=No of protons+No of neutrons

[tex]\\ \sf\longmapsto Mass\:No=30+30[/tex]

[tex]\\ \sf\longmapsto Mass\:No=60[/tex]

Explanation:

Here,

Protons(p+)=30

Neutrons(N⁰)=30

We know,

Atomic mass(z)=(P+)+(N⁰)

=30+30

=60

Answer:Water pollution can come from a variety of sources. Pollution can enter water directly, through both legal and illegal discharges from factories, for example, or imperfect water treatment plants. Spills and leaks from oil pipelines or hydraulic fracturing (fracking) operations can degrade water supplies.

Explanation:

Answer:

Air will Float

Ice will Float.

aluminium will sink

Lead. has to sink

Gold will sink

Ethanol it will nor sink or float. it is like neutral.

methanol will Float.

Explanation:

may it helps you.

Answer:

When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless.

Hi, the answer is 3510g

Step-by-step explanation:-

We know that density of a substance tells us the mass of exactly one unit of volume of given substance. In this question,

Aluminium density = 2.70g/mL

So,

V = L x W x H = 1300 cm³ = 1300 mL

m = D x V = (2.70 / 1300) = 3510g

a. We have 210 pennies

b. We need 140 dimes to buy as much candy as possible.  

c. All these dimes should weigh 320.6 g.

d. We can buy 70 pieces of candy.

e. The total weight of the candies will be 2864.4 g

f. Using 3 pennies and 2 dimes as a pack to buy candies we can not buy more pieces of candy because we would need more pennies.    

a. To find the number of pennies we need to divide the total mass of pennies ([tex]m_{t_{p}}[/tex]) by the mass of each one of them ([tex]m_{p}[/tex]):

[tex] N = \frac{m_{t_{p}}}{m_{p}} = \frac{636.3 g}{3.03 g} = 210 [/tex]

Hence, we have 210 pennies.  

b. We can find the total number of pieces in multiples of four that we can buy with 210 pennies. To buy one piece we need to use 3 pennies and 2 dimes, so the number of total pieces is:

[tex] 3P = 210 [/tex]

Where P is for pennies

[tex] P = \frac{210}{3} = 70 [/tex]

Hence, we can buy a total of 70 pieces in multiples of four candies.

Now, from this total of 70 pieces, we can use the following number of dimes:

[tex] 2D = 70 [/tex]

Where D is for dimes      

[tex] D = \frac{70}{2} = 140 [/tex]

Therefore, we need 140 dimes to buy as much candy as possible.

c. The mass of the total amount of dimes ([tex] m_{t_{d}}[/tex]) is:

[tex] m_{t_{d}} = 140*2.29 g = 320.6 g [/tex]

Hence, all these dimes should weigh 320.6 g.

d. We know that we can buy a total of 70 pieces in multiples of four candies (calculated above).

Then, we can buy 70 pieces of candy.

e. Knowing that each piece is a multiple of 4 candies, the weight of the 70 pieces of candy ([tex]m_{c}[/tex]) is:

[tex] m_{c} = 70*4*10.23 g = 2864.4 g [/tex]      

f. Since we can buy pieces in multiple of four candies using 3 pennies and 2 dimes if we have now twice as many dimes, we can not buy more pieces of candy because we would need more pennies.      

To see another example go here:

I hope it helps you!                                              

Answer:

I think that:

The tendency of an object to resist changes in motion: inertia

Attractive force:gravity

And everything else is right

Explanation:

I am not a physicist

But I passed physics with an A

Answer:

The water falls to the earth as precipitation, such as rain, hail, sleet, and snow. When precipitation reaches the earth's surface, some of it will flow along the surface of the land and enter surface water like lakes, streams, and rivers, as runoff. The rest of it soaks or percolates into the soil, called

Answer:

I think you are moving fast my friend,but i don't remember Easter.

Answer:

yo fr i dont even remember last year christmas

Explanation:

Answer:

Yes it is true

Explanation:

vinyl chloride is prepared by c2h2+hcl. Since vinyl chloride is formed after ETHYNE IS MIXED WITH CHLORIDE.

Answer:

Electrons.

Hope it helps.

Answer:

https://swartzbiotechnologylab.sites.stanford.edu/research

Explanation:

Answer:

10

Explanation:

The identity of an element refers to the specific element that is being referred to. The identity of the element is phosphorus (P).

To determine the identity of the element based on the given idealized PES (Photoelectron Spectroscopy) spectrum, we need to examine the pattern of relative number of electrons vs. energy levels.

The PES spectrum shows the relative number of electrons at different energy levels, and it is usually plotted with the relative number of electrons on the y-axis and the energy levels on the x-axis.

From the given data, we can see that there are three peaks with the following approximate values:

Energy (MJ/mol): ~1000, Relative number of electrons: ~1000

Energy (MJ/mol): ~100, Relative number of electrons: ~100

Energy (MJ/mol): ~10, Relative number of electrons: ~10

Based on this information, we can infer that the element has three distinct electron energy levels or subshells with approximately 1000, 100, and 10 electrons each.

To identify the element, we need to consider the electron configuration of elements in the periodic table and find an element that has three energy levels or subshells with roughly the same number of electrons.

The element that matches this pattern is phosphorus (P), which has the electron configuration: 1s² 2s² 2p⁶ 3s² 3p³. This configuration has 2 electrons in the 1st energy level (1s²), 8 electrons in the 2nd energy level (2s² 2p⁶), and 5 electrons in the 3rd energy level (3s² 3p³). The numbers are not exact matches, but they are relatively close to the given values in the PES spectrum.

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Answer:

Sulfuric acid or sulphuric acid, also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with the molecular formula H₂SO₄. It is a colorless, odorless and viscous liquid that is miscible with water.

Explanation:

Explanation:

Sulfuric acid is a colourless oily liquid. It is soluble in water with release of heat. It is corrosive to metals and tissue. The major use of sulfuric acid is in the production of fertilizers . Sulfuric acid, sulfuric also spelled sulfuric (H2so4) , also called oil of vitrod. Sulfuric acid is a very important commodity chemical , and a nation's sulfuric acid production is a good indicator of it's industrial strength.

Na:-

Sodium has 11 electrons so the EC followed by

[tex]\\ \sf\Rrightarrow 1s^22s^22p^63s^1[/tex]

Ca:-

Calcium has 20electrons so the EC followed by

[tex]\\ \sf\Rrightarrow 1s^22s^22p^63s^23p^63d^2[/tex]

Answer:

D. Add acid to water, not water to acid

Answer:D. AuI3

Explanation: