Anandamide is a neurotransmitter that is involved in controlling mood and appetite. Which choice best describes the functional groups found in this molecule?

symbol ...................

Answer:

I’m not sure if this is right but, 3 moles of oxygen at STP will occupy a volume of 3×22. 4=67. 2 L.

Explanation:

The standard temperature and pressure conditions have a pressure of 1-mole and a volume of 22.4 L. At STP, 3.20 moles of gas will have a volume of 72 L.

The ideal gas equation relates the volume to the moles of the substance. At STP conditions it is known that 1 mole contains 22.4 L.

Given,

Moles of gas = 3.20 moles

1 mole gas at STP = 22.4 L

The volume at 3.20 moles,

= 3.20 × 22.4

= 72 L

Therefore, 72 L is the volume at 3.20 moles.

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Cosmic background radiation is Leftover radiation from the big bang.

What is Cosmic radiation?
When primary photons and particles from outside of the solar system interact with elements of the earth's atmosphere, cosmic radiation, an ionising radiation, is created. The sun's discharge of charged particles, also known as solar flares or "sun storms," is a secondary source of cosmic radiation. The environment in which we live naturally contains ionising radiation, which can be found in the soil, structures, food we eat, and even the bones in our bodies.

Nonionizing radiation, which also includes UV light, radio waves, as well as microwaves, is the other type. Natural radiation has been present in the environment where humans, animals, as well as plants have all evolved, and, with very few exceptions, it poses little danger to human health.

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Answer:

To calculate the amount of Augmentin to give, you can use the following formula:

Dose (mg) = weight (kg) x dosage (mg/kg)

In this case, the dosage is 10mg/kg and the child's weight is 25kg, so:

Dose (mg) = 25 x 10 = 250mg

We know that the reconstituted Augmentin yields 125mg/ml, to find the amount in ml we divide the dose by the concentration:

250mg / 125mg/ml = 2 ml

So you will give 2ml of Augmentin to the child every 12 hours.

D- A molecule

Explanation:

(Apex)

During the reactions in mitochondria, high-energy molecules such as ATP, NADH, and FADH2 are produced, which are later utilized in the electron transport chain to generate more ATP. This process allows the original carbons in pyruvate to be fully oxidized and used for energy production in the mitochondrial matrix reactions.

In the mitochondrial matrix reactions, the original carbons in pyruvate are transformed through a series of reactions known as the Krebs cycle or citric acid cycle. Here is a step-by-step explanation:

1. Pyruvate, a 3-carbon molecule, is transported into the mitochondrial matrix.
2. Pyruvate undergoes decarboxylation by pyruvate dehydrogenase, losing one carbon as CO2 and forming a 2-carbon molecule called acetyl-CoA.
3. Acetyl-CoA combines with oxaloacetate, a 4-carbon molecule, to form citrate, a 6-carbon molecule.
4. Citrate undergoes a series of reactions within the Krebs cycle, resulting in the release of two more CO2 molecules, one for each of the original carbons from pyruvate.

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Explanation:

This is because the hydrogen bonding in water H2O is stronger than that is hydrogen sulfide H2S.

Answer:

12.70

Explanation:

consider a phosphate buffer, consisting of h2po4- and hpo42- . initially at the same ph as its pka (6.86) when concentrated sodium hydroxide is added to this buffer, the: Option C  ratio of [hpo42-] to [h2po4] in the buffer increases

The buffer's HPO42-to-H2PO4-ratio increases. Because NaOH reacts with H2PO4- and academic papers proton for neutralisation. Buffer Solution is a liquid solvent-based solution made up of a weak acid base, or a weak base and its conjugate acid. They are resilient to pH changes caused by dispersion or the addendum of small quantities of acid/alkali to companions. Water acts as a buffer, albeit a poor one. This is because of the fact that H20 ionises to shape H30+ and OH-. A weak acid and the conjugate acid are required to form an acid solution buffer. For alkali, the opposite is true.

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2C4H10 + 13O2 Right arrow. 8CO2 + 10H2O

What is the mole ratio of butane to carbon dioxide?

ANSWER:

Butane is an organic compound with the formula C4H10 and carbon dioxide is compound (gas) with the formula CO2. So, the balanced coefficient of butane is 2, and that of carbon dioxide is 8. According to thid, the mole ratio of butane to carbon dioxide is 2:8 or 1:4.

Answer:

answer is 2:8 or 1:4

Explanation:

Answer:

See explanation

Explanation:

The synthesis of aspirin is shown in the reaction scheme attached to this answer. The production of aspirin involves the reaction of acetyl salicyclic acid and acetic anhydride. HA in the reaction mechanism refers to an acid that is used in the reaction

Similarly  benzamide, is converted to the carbonyl carbocation by reaction with acid. The -NH2 group is protonated and subsequently departs as a leaving group. An OH^- completes the mechanism forming a carboxylic acid. The movement of electrons is shown in the image attached.

Again, the diazotization of benzamide using sodium nitrate and concentrated HCl yields benzene diazonium chloride. Addition of water to benzene diazonium chloride yields the benzoic acid and nitrogen gas.

Answer:

0.72 good luck with the answer

The empirical formula for the compound if A denotes the cations and X denotes the anions is AX₂

It is given that the cations are denoted by Blue color and the anions with green color. There are 8 atoms in the corners and 6 in the face center. Then,

No of atoms in a total of all corners = 8 x 1/8

No of atoms in the corners = 1

No of atoms in the faces = 6 x 1/2

No of atoms in the faces = 3

Then,

Total no of cations atoms = total number of atoms in the corners + the total number of atoms in the faces

Total number of cations (A) = 1 + 3

Total number of cations (A) = 4

The total number of anions in the cell is 8 from the figures as they aren't shared with another lattice arrangement. Therefore,

Number of anions (X) = 8

Then the empirical formula would be A₄X₈ which could be written in the simplified form of AX₂.

Thus, the empirical formula is AX₂ for the arrangement.

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Litmus is a type of dye that is extracted from lichens and is commonly used as a pH indicator. The color change from purple to pink indicates a change in the acidity or basicity of a solution.

In an acidic solution, the hydrogen ion (H+) concentration is high, which causes the litmus dye to change from its original blue color to red. In a neutral or basic solution, the hydrogen ion concentration is low, and the litmus dye remains blue. However, if the solution is sufficiently basic, the litmus dye will change from blue to pink. The exact mechanism of this color change is due to the chemical structure of the litmus dye, which contains a variety of functional groups that can interact with hydroxide ions (OH-) in a basic solution. This interaction causes a change in the electronic structure of the dye molecules, which results in a change in their absorption and transmission of light and, therefore, a change in color.

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1. It is very basic principle that two like charges repel and two unlike charges attracts. All electrons are negatively charged and thus two electrons will repel each other. Hence, the given option is correct.

An electric field is produced by the force from charged particles. The strength of field lines depends on the magnitude of charges and the presence of magnetic field is there.

2. The object which have higher velocity will have higher kinetic energy. The spring travelling downward will have an acceleration due to gravity downwards. Hence, it has higher kinetic energy.

3. When the electrons slow down by interacting with other particles its kinetic energy converts to potential energy.

4. Atoms bond to form molecules. Electric fields of particles with opposite charges are interacting together to form bonds.

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Answer:

This is correct!!

Explanation:

I got a 100, thank you!

Answer:a mouse

Explanation:

Answer: a mouse

Explanation:

Noble gases are exceedingly stable and unlikely to form chemical connections since they have minimal inclination to receive or lose electrons, thanks to the complete valence electron shells of these atoms.

Any one of the seven chemical elements that compose Group 18 (VIIa) of the periodic table is referred to as a noble gas. Helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson are the constituent elements (Og). The noble gases are inflammable, tasteless, colorless, and odorless. The term "noble" has long been used in science and alchemy to describe how resistant metals like gold and platinum are to chemical reactions. As their atomic numbers rise, the abundances of the noble gases fall.

German chemist Friedrich E. Dorn discovered radon for the first time in 1900, and in 1904 it was recognized as a member of the noble-gas family. In 1904, the work of Rayleigh and Ramsay was recognized with Nobel Prizes.

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Answer:

Flame test is one of the chemical tests that can be used to identify a metal or metaloid

in an ionic compound.

Explanation:

Flame test is guided by a principle that when an unknown metal is heated, heat of the flame converts the metal ions into atoms which become excited and emit visible light.

To carry out flame test in a laboratory the following instruments are required:

--> a wire loop

--> Bunsen burner

--> the chemical compound under observation

--> protective wears.

The procedure involves the following steps:

--> turn on the Bunsen burner and adjust the barrel of the burner roll the flame is blue.

--> using a clean wire loop deep into a beaker containing hydrochloric acid.

--> to ensure that the loop is clean, it will give the same blue colour of the flame when heated.

--> deep the loop in the acid again and then use it to pick few grains of the metal.

--> place the wire loop in the side of the flame and observe the colour of the flame.

Result of flame tests of some metallic ion will show the following:

--> sodium ion will give yellow colour flame

--> potassium ion will give lilac colour flame

--> calcium ion will give orange-red colour flame

Answer:

z3 xCo2 + 75 = s01 + h20 = Z2

Explanation:

The study of chemicals is called chemistry.

The correct answer is A.

A combination reaction is defined as the joining of two different elements to form a new compound is called a combination reaction. A new compound is always formed in the reaction.

According to the question, in option A the \(Li_2Co_3\) is formed and in reaction 4 \(H_2So_4\) is formed.

Hence, the correct option is A that is Z1 and Z4.

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The Diels-Alder mechanism between a diene and a dienophile is concerted, which means that bond breaking happens simultaneously as bond forming.

The Diels-Alder reaction is a conjugate addition reaction between a diene and a dienophile. The process is regarded as a concerted reaction since it occurs in a single step with no intermediates. The cyclic reaction mechanism involves the breaking of a π bond between two double-bonded carbons (diene) and the formation of two new σ bonds between the diene and a dienophile. The diene and dienophile are drawn together by dipolar interactions when they are in close proximity. The dienophile adds to the diene with its π electron cloud when the diene's π electron cloud is most favourable for the bond formation. Since both the breaking and forming of chemical bonds occur at the same time, this is known as a concerted reaction.

Therefore, the correct answers are "concerted" and "simultaneously" respectively.

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In order to answer this question, we first need to balance the chemical equation that describes the formation of PF3 from F2.

The balanced chemical equation is:F2 + 3H2 → 2HF + PF3This equation tells us that 1 mole of F2 reacts with 3 moles of H2 to produce 2 moles of HF and 1 mole of PF3.Using stoichiometry, we can then determine the number of moles of F2 needed to form 2.8 moles of PF3. We know that the ratio of F2 to PF3 is 1:1, so we can set up a proportion:1 mole F2/1

mole PF3 = x moles F2/2.8 moles PF3Cross-multiplying and solving for x, we get:  x = 2.8 moles F2/1 mole PF3 x 1 mole F2/1 mole PF3x = 2.8 moles F2Therefore, we need 2.8 moles of F2 to form 2.8 moles of PF3.Hence, the required number of moles of F2 needed to form 2.8 moles of PF3 is 2.8 moles of F2. The answer is justified with 160 words.

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Answer:

A I think

Explanation:

im not sure so do with that what you will

The area under the curve in a PV diagram represents the work done to the gas. If the area is maximum, the amount of work completed will be at its highest. In this scenario, area is maximal when we take path A.

The related changes in volume and pressure in a system are represented by a pressure-volume diagram, also known as a PV diagram or a volume-pressure loop. Thermodynamics, cardiovascular physiology, and respiratory physiology all frequently use them. The fourth and most basic state of matter is gas (the others being solid, liquid, and plasma). It's possible for atoms to make up a pure gas.

W = P*(change in volume) = 1.7*1.01*5.8*105 is the formula for the work completed.

W = 9.96*10^5J

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If a language uses the same word to describe both blue and green hues, it could potentially impact how speakers of that language perceive and categorize colors. This phenomenon is known as "linguistic relativity" or the Sapir-Whorf hypothesis.

In this scenario, individuals speaking this language might not distinguish between blue and green in the same way that speakers of other languages do. They may not have separate labels for these colors, leading to a different way of perceiving and discussing them.

For example, if someone from this language were to encounter different shades of blue and green, they might struggle to differentiate between them or describe them accurately. This could affect their ability to perceive subtle variations in color and distinguish between different objects or environments.

Their view of the world would be influenced by their language, potentially leading to a different understanding and interpretation of colors. They might develop a broader category for blue and green, perceiving them as variations of the same color rather than distinct entities.

It's important to note that this hypothetical scenario may not represent the reality of any specific language. Linguistic relativity is a complex topic, and while language can influence perception, it does not determine it entirely. Our perception of colors is also influenced by cultural, environmental, and individual factors.

In summary, if a language uses the same word for blue and green hues, it could impact how individuals perceive and categorize colors, potentially leading to a different way of viewing the world.

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Answer:l ectrons will occupy a p orbital only after the s orbital is full

Explanation: Electrons can begin to occupy energy levels with the next highest integer designation only after all of the orbitals on the energy level below it are occupied.

please mark brainliest thank you :)

Answer:

36°C

Explanation:

Given parameters:

Mass of aluminum = 725g

Quantity of heat  = 2.35 x 10⁴J

Unknown:

Temperature change  = ?

Solution:

To solve this problem, we simply use the expression below:

  The quantity of energy is given as:

          Q  = m C Δt

Q is the quantity of energy

m is the mass

C is the specific heat capacity of aluminum  = 0.9J/g°C

Δt is the change in temperature

  The unknown is Δt;

             Δt  = \(\frac{Q}{mc}\)    = \(\frac{2.35 x 10^{4} }{725 x 0.9}\)    = 36°C

In the heliocentric model, the object at the center of the solar system is the Sun. Therefore, the answer is B.

What is the heliocentric model?

The heliocentric model is a theory that places the Sun at the center of the solar system, with all the planets orbiting around it. This model was first proposed by the ancient Greek astronomer Aristarchus of Samos in the 3rd century BCE, but it was not widely accepted until the 16th century when the Polish astronomer Nicolaus Copernicus presented a detailed mathematical description of the heliocentric model.

The heliocentric model provided a more accurate description of the solar system, and it was later confirmed by the observations and calculations of other astronomers such as Johannes Kepler and Galileo Galilei. The heliocentric model is now widely accepted, and it forms the basis of modern astronomy.

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The complete question is: The Sun is at the center of the solar system in the heliocentric model.