what is the equation to determine the force of a hydraulic system? f = p / a f = p * a f = p - a f = p a

Answer:

A nucleic acid

Explanation: A nucleic acid is a polymeric macromolecule made up of repeated units of monomeric 'nucleotides' composed of a nitrogenous heterocyclic base which is either a purine or pyrimidine, a pentose five-carbon sugar either ribose or 2′-deoxyribose, and one to three phosphate groups.

Answer:

A hydrophobic amino acid incorporated into a protein would not engage in hydrophilic interactions, such as hydrogen bonding or electrostatic interactions.

Explanation:

Hydrophobic amino acids are those amino acids that have a non-polar or hydrophobic nature, meaning they don't mix well with water. In a protein, hydrophobic amino acids are usually incorporated into the interior of the protein structure, where they are shielded from water.

Hydrophobic interactions occur when non-polar molecules or residues come into close proximity, leading to the exclusion of water molecules. This results in the formation of a hydrophobic pocket or cluster in the protein structure that helps to stabilize the protein by reducing the exposure of hydrophobic residues to water.

Therefore, a hydrophobic amino incorporated into a protein would not engage in interactions that involve polar or charged residues, such as ionic interactions or hydrogen bonds.

just tell me if you kinda confuse

ALLEN

The type of interaction would a hydrophobic amino incorporated into a protein not engage is in  hydrophilic interactions

Hydrophilic interactions involve the attraction between water molecules and other polar molecules or ion. Hydrophilic is a substance that likes water, meaning that this substance easily dissolves in water, for example, like vinegar. Since hydrophobic amino acids are nonpolar, they do not have an affinity for water and therefore do not engage in hydrophilic interactions.

Instead, hydrophobic amino acids typically engage in hydrophobic interactions, which involve the association of nonpolar molecules or groups in an aqueous environment. These interactions are important for the folding and stability of proteins. Hydrophobic properties can be found in nature, for example, the leaf surface is always clean and does not look wet even when exposed to water.

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Answer:

0.375 g/mL

Explanation:

Given data:

Volume occupy by wood = 200 mL

Mass of wood = 75 g

Density of wood = ?

Solution:

Formula:

d = m/v

by putting values,

d = 75 g/ 200 mL

d = 0.375 g/mL

Palm to palm is referred to as the best way to maintain control of the subsection when cutting with a vertical or diagonal cutting line thereby preventing the risk of injuries or inaccuracy.

This method is used during cutting or styling and involves the two palms of the hands in a position such that they are facing each other or opposite to one another and helps to reduce the different types of strain in the affected part of the body.

This method isn't a compulsory one to be done but is best suited for an individual who wants to maintain control of the subsection when cutting with a vertical or diagonal cutting line.

This is therefore the main reason why palm-to palm technique was chosen as the most appropriate choice.

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Answer:

a.  0.119mol Kr

Explanation:

To solve this problem, we must understand that;

     Mass  = number of moles x molar mass

Molar mass of Kr  = 83.3g/mol

                        Ar = 40g/mol

                        He = 4g/mol

                        Ne = 20.18g/mol

a0.119 mol Kr               mass  = 0.119 x 83.3 = 9.9g

b 0.400 mol Ar             mass  = 0.4 x 40  = 16g

C 1.25 mol He               mass  = 1.25 x 4  = 5g

d 2.02 mol Ne              mass  = 2.02 x 20.18  = 40.8

Krypton is the answer

Answer:

It is made up of 2 elements. The elements are calcium and chlorine.

Explanation:

I just know

Tobacco smoke is not a serious indoor air quality issue

Indoor air quality is a serious concern because most individuals spend a significant amount of their time indoors. Poor indoor air quality can cause a variety of health problems. Pollutants such as particulates, radon, sulfur dioxide, and formaldehyde can be harmful to one's health and well-being.

Tobacco smoke, on the other hand, is not a serious indoor air quality issue. It can be harmful to your health, but only if you smoke in your home. It's not the same as other indoor air pollutants, which can be present in the air even if you don't smoke.

Therefore, tobacco smoke is not considered a serious indoor air quality issue.

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Answer: the answewr is A. hope this helps!

Explanation:

Answer:

homozygous dominant

Explanation:

AA or BB would be another example of this. Having two of either capital or lowercase letters makes it homozygous. It is dominate because their is only one type of letter; In this case it is a capital letter.

Answer:

Homozygous

According to Mendelian inheritance, every trait (characteristic) of organsim is governed by pair of genes (that exist in two different forms, recessive and dominant allele).

Dominant allele (expressed in capital letter) masks the expression of recessive allele that is expressed in small letter.

There are two possible genotypes for dominant trait, such as 'tall pea plant' can be expressed by TT (homozygous dominant, since both alleles are same) and Tt (heterozygous dominant, since both are different alleles).

Thus, TT depicts homozygous dominant genotype.

(Hope this helps) Sky

Answer:

C6H12O6 + 6O2 - 6CO2 + 6H2O + ENERGY

Explanation:

Let me know if I'm right

The height of a ramp does not directly determine the strength of the frictional force between a book and an object.

The strength of the frictional force between a book and an object is not directly influenced by the height of a ramp. The nature of the surfaces in contact, the force forcing the surfaces together (normal force), and the coefficient of friction are some of the variables that affect the frictional force between two surfaces.

The coefficient of friction between the book and the object plays a major role in determining the strength of the frictional force.

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Answer:

Explanations:

Given the following electronegativity of three elements as:

A bond dipole refers to the separation of charge within a covalent bond due to differences in electronegativity between the two atoms.

This results in a partial positive charge on one atom and a partial negative charge on the other, creating a dipole moment. On the other hand, a molecular dipole moment is the overall dipole moment of a molecule, which takes into account the bond polarities and the molecular geometry.

If the bond polarities in a molecule are not symmetrical, the molecular dipole moment will not be zero, indicating a polar molecule. However, if the bond polarities are symmetrical, the molecular dipole moment will be zero, indicating a nonpolar molecule.  A bond dipole occurs when there is a difference in electronegativity between two atoms in a covalent bond, leading to an unequal distribution of electron density and creating a dipole moment.

This is represented by a vector pointing from the less electronegative atom to the more electronegative one. On the other hand, a molecular dipole moment is the overall polarity of a molecule resulting from the combination of all individual bond dipoles. It is determined by the molecular structure and the spatial arrangement of bond dipoles. If the bond dipoles cancel each other out due to symmetry, the molecule is nonpolar. Otherwise, it exhibits a net molecular dipole moment.

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The best statement to explain why the contents of the tube containing the equilibrium mixture turned a lighter color when placed into an ice bath is A) The forward reaction is exothermic.

Here's the step-by-step explanation:
1. The given reaction is N2O4(g) ⇌ 2NO2(g), with Kp=3.0 at 700 K.
2. N2O4(g) is colorless, and NO2(g) is brown.
3. When the tube is placed into an ice bath, the temperature decreases.
4. According to Le Chatelier's principle, the equilibrium will shift to counteract the change in temperature.
5. Since the forward reaction is exothermic, it releases heat. A decrease in temperature will cause the equilibrium to shift towards the exothermic direction, which is the forward reaction.
6. This shift causes more N2O4(g) to form and less NO2(g) to be present in the mixture.
7. As a result, the brown color of NO2(g) becomes lighter due to the decrease in its concentration.

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The pH of the solution comes out to be 8.47 the calculations are shown in the below section.

The value of Ka = 2.9 x 10⁻⁹

The concentration of hydronium ion and hydroxyl ion when a water molecule dissociates is the same which is 1 mol.

H₃O⁺ = ka [HOBr] [OBr⁻]

Ka = [H₃O⁺]

2.9 x 10⁻⁹ = [H₃O⁺]²

[H₃O⁺] = √(2.9 x 10⁻⁹ )

[H₃O⁺] = 3.33 x 10⁻⁹ M

Now, the pH can be calculated using the below relation-

pH = -log [H₃O⁺]

      = -log (3.33 x 10⁻⁹)

      = 8.47

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The two starting materials to obtain the given target molecule are NaOH and the method of oxymercuration-demercuration.

Retrosynthesis

The process of “deconstructing” a target is known as Retrosynthesis. A molecule into readily available starting materials by means of. - imaginary breaking of bonds (disconnections) and by the conversion of one functional group into another (functional group interconversions).

The reaction are given in the image.

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Ariana is playing basketball with her friends. They are using an orange basketball. Because all visible light waves except orange are absorbed by the ball.

The correct answer is A.

The correct answer is A.

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Answer:

Na+ lost one electron:    1s2 2s2 2p6

Cl- gained an electron:   1s2 2s2 2p6 3s2 3p6

Explanation:

2 electron bonds are shared between two carbon atoms when they are joined by a double bond.

An atom is a particle of matter that uniquely defines a chemical element. Atoms consist of a central nucleus surrounded by one or more negatively charged electrons. The nucleus is positively charged and contains one or more relatively heavy particles known as protons and neutrons.

Atoms are made up of two types of elementary particles: electrons and quarks. Electrons occupy the space surrounding the nucleus. Each electron has a charge of -1. Quarks form protons and neutrons, which form the nucleus. About 99% of the human body is made up of atoms of hydrogen, carbon, nitrogen, and oxygen. It also contains much smaller amounts of other elements necessary for life. November 6, 2015

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Answer:

Its 3

Explanation:

I took the test

Answer: 3

Explanation: im in k12 got the same question

Answer:15.9994 g/mol

Explanation:

Answer:

D

Explanation:

Van der Waal  forces are  small dipole attractions between molecules caused by a temporary electron shift ,here, the option D  is correct.

Van der Waals forces exist among all kinds of atoms and molecules. The origin of this  force stems from the instantaneous dipole-induced dipole interactions among adjacent polar atoms and molecules.

Among polar molecules, there are three components that contribute to the total  forces: the induction force, the orientation force and the dispersion force.

The  Van Der Waal forces that act between macroscopic bodies and surfaces in a solvent medium are relevant to the phenomena of protein adsorption.

Van Der Waal forces are the small dipole attractions between molecules caused by a temporary electron shift , thus, option D is correct.

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One question that can be solved by scientific investigation is:

To answer this question, you would need data on CO₂ levels from different areas around the town including measurements taken over a period of time. It will be important to consider the intake of the surrounding plantations or green spaces to assess the overall carbon balance.

So, by analyzing these data, we can evaluate the impact of the town's efforts on climate change most specifically in terms of CO₂ levels and the oxygen to CO₂ ratio.

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Huckel's rule of aromaticity says  that when there are 4n+2 pi electrons and the n have integer values from 0, then the compound is aromatic. Thus the number of pi electrons 2,6,10, 14, 18 satfies the rule.

Aromaticity is a property of cyclic organic compounds which give  them an extra stability. According to the Huckel's rule of aromaticity, the number of pi electrons must satisfy that 4n+ 2 pi electrons with an integer value of n.

Moreover the compound have to be cyclic and planar and the carbons have to be sp3 hybridization. Now, lets check whether the given numbers satisfy the rule or not.

If pi electrons are 2 in number then (4n +2 )= 2, then n=0. rule satisfied.

If 4n+2 = 4, n = 1/2,not satisfied.

If 4n+2 = 6, n= 1 rule satisfied.

Similarly the number with an increment of 4 will satisfy the rule. Therefore, the number of pi electrons, 2,6,10,14, and 18 satisfy the rule.

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Your question is incomplete. But your complete question is as uploaded in the image.

Answer: Rocks formed in this way include halite, gypsum, anhydrite, and some limestones. Layers of precipitated rocks are called evaporite deposits because they typically form where evaporation is high in arid regions like the desert southwest and in the eastern Mediterranean.

Explanation:

The three sedimentary rocks form from chemical precipitates and evaporites are halite, gypsum and anhydrite.

Pre-existing rocks or bits of once-living animals constitute sedimentary rocks. They are formed by the accumulation of sediments on the Earth's surface.

Halite, gypsum, anhydrite, and various limestones are examples of such rocks. Evaporite deposits are layers of precipitated rocks that occur in arid locations like the desert southwest and the eastern Mediterranean where evaporation is considerable.

Hence three sedimentary rocks are Halite, gypsum and anhydrite.

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To determine the value of ΔS, we can use the equation relating ΔG, ΔH, and ΔS is ΔG = ΔH - TΔS. Given that ΔG is zero at 366 K, we can rewrite the equation as 0 = ΔH - (366 K)ΔS

Given that ΔG is zero at 366 K, we can rewrite the equation as 0 = ΔH - (366 K)ΔS,

Rearranging the equation to solve for ΔS:

ΔS = ΔH / (366 K),

Substituting the given value of ΔH as -28.1 kJ/mol:

ΔS = (-28.1 kJ/mol) / (366 K)

Since the units of ΔH are in kJ/mol and we need the answer in J/K-mol, we convert kJ to J:

ΔS = (-28.1 × 10^3 J/mol) / (366 K)

Calculating the value: ΔS ≈ -76.5 J/K-mol

S is favoured whereas H is unfavourable. If H is negative and S is positive, G will always be negative, making the reaction spontaneous at all temperatures.

Therefore, assuming that ΔH and ΔS do not vary with temperature, the value of ΔS for the given reaction is approximately -76.5 J/K-mol.

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The lowest-energy Lewis structure for nitrogen oxide is option (C): :N=N-O:.

In this structure, both nitrogen (N) and oxygen (O) atoms have a formal charge of zero, which is ideal for a stable compound. Nitrogen forms a double bond with another nitrogen atom, and that nitrogen atom forms a single bond with the oxygen atom. Each nitrogen atom is surrounded by a total of five electrons (two lone pairs and one shared pair), while the oxygen atom is surrounded by six electrons (two lone pairs and one shared pair). This configuration ensures that all atoms follow the octet rule, with eight electrons in their outermost shells.

Options (A), (B), and (D) do not follow the octet rule or have non-zero formal charges on their atoms, making them less stable and higher-energy structures compared to option (C). Therefore, the lowest-energy Lewis structure for nitrogen oxide is Option C :N=N-O:.

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Answer:

Explanation:

First, let's determine the formula for propane. Propane has 3 carbon atoms and 8 hydrogen atoms.

CH₃CH₂CH₃

Second, use the number of moles of propane given in the problem (2.12 moles) and the formula for propane.

2.12 mol CH₃CH₂CH₃

Third, take 2.12 times the number of carbon atoms and the number of hydrogen atoms in propane.

There are 3 carbon atoms and 8 hydrogen atoms in propane.

2.12 x 3 carbon atoms = 6.36 carbon atoms

2.12 x 8 hydrogen atoms = 16.96 hydrogen atoms

A physical model of a crime scene is called  an animation

The evidence that crime scene investigators gather includes fingerprints, tyre tracks, hairs, fibres, blood, and other bodily fluids. The NIJ sponsors initiatives to enhance: Blood and other bodily fluids at the location were identified.

There are three different sorts of imprint evidence: bite marks, tool marks, and shoe and tyre prints. Each of these may employ one or more of the following collection strategies, such as taking photos, lifting objects with tape, or plaster-casting.

Physical evidence, also known as actual evidence or material evidence, is any tangible thing that is presented as evidence in a court case that has some connection to the issue that gave birth to the dispute.

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Answer:

The answer is O a reconstruction.

Explanation:

Got it right on the test.