What is the third quantum number of a 2s² electron in phosphorus, 1s²2s²2p63s²3p³? O A. m₁ = 1 OB. m/= 2 O C. m = -1 O D. m/= 0​

The substrate haloalkane is a primary ( unhindered ) haloalkane. The Nucleophile is a weakly basic nucleophile, and the solvent is protic.

The term "haloalkanes" refers to alkanes with one or more halogen substituents. Although the distinction is not always acknowledged, they are a subset of the larger class of halocarbons. Commercial application of haloalkanes is widespread.

Polar liquid molecules with dissociable hydrogen atoms are known as aprotic solvents. Polar liquid substances with no dissociable hydrogen atoms are known as aprotic solvents. The creation of hydrogen bonds is possible in aprotic liquids. In aprotic solvents, hydrogen bonds cannot form.

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Among the given gases, only chlorine is diatomatic and others are monatomic.

Why among the given gases, only chlorine is diatomatic and others are monatomic?

Cl belongs to seventh group in the periodic table. Thus it has an unpaired electron in its valence shell.

By sharing the lone electron of other Cl atom it gets stability and exist in diatomic form.

Other gases Ne and He belongs to 8th group or o group. They are inert gas and has completely filled configuration.

So, the won't react with others to get stability.

Therefore, Among the given gases, only chlorine is diatomatic and others are monatomic.

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There are a total of 10 valence electrons in the C2²⁻Lewis structure. Each carbon atom contributes four valence electrons, while the second atom adds two more for a total of 10 valence electrons. The two Carbon atoms' octets in the Lewis structure of C2²⁻ must be filled with a triple bond.

How many unpaired electrons are in C2²?

There aren't any unpaired electrons in it.

How many electrons are present in C2²?

Twelve electrons make up the C2 molecule.

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We used both the hydrogen and water coefficients from the aforesaid solution (mole ratio).

Chemical Reaction

[tex]2H_{2}[/tex] + [tex]O_{2}[/tex]  → [tex]2H_{2}O (Balanced)[/tex]  

Assuming moles of hydrogen are the limiting reactant, calculate the moles of water

[tex]moles H_{2}O = (4 moles H_{2} ) \frac{2moles H_{2}O }{2moles H_{2} } = 4 moles H_{2}O[/tex]

What is Moles?

A substance's mass, which is made up of the same number of essential components, is measured in moles. A 12 gram example has atoms that are the same as 12C. The basic building blocks of a substance could be molecules, atoms, or formula units.

The quantity of chemical elements is indicated by the mole fraction. One mole of any substance has a value of 6.023 x 1023. (Avogadro number). The byproducts of the chemical reaction can be measured using it. The unit is denoted by the sign mol.

The following expression represents the number of moles formula

Number of moles = Mass of substance / Mass of one mole .

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Barium nitrate(BaNO3)+sodium sulfate(Na2SO4)---> Barium sulfate(BaSO4)+ sodium sulphate(Na2SO4).Thus 1 mole of Barium nitrate will yield one mole of Barium sulfate ;

Total Volume= 1L

Concentrarion in Molarity=1.55(M)

Now we know Molarity=Moles of Solute/Volume of solution in L

Therefore,no of moles=1.55 moles

Now,No of moles= grams of barium sulfate taken/Molecular Mass

MM=233.40g/mol(given

Thus,grams of barium sulphate taken=No o moles x MM =1.55 x 233.40=361.77 g,which is the required grams of barium sulfate.

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To react with Ethane, we need 84 moles of oxygen are required.

The reaction is depicted as follows:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

According to the reaction, the mole ratio of ethane (C₂H₆) to oxygen (O₂) is 2:7.

We have to find the moles of oxygen.

Given that 24 moles of ethane.

24 x 7/2

= 84

As a result, it takes 84 moles of oxygen to react with 24 moles of ethane.

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Saturated sodium chloride is used in this procedure because it helps to separate the organic layer from the aqueous layer.

What is organic layer?
Organic layer is a type of soil layer that includes organic matter such as leaves, wood, roots, and other plant and animal remains. This type of soil is important for agricultural production and is also beneficial to the environment. Organic layer is also known as top soil or humus. It is the most fertile and nutrient rich soil layer, due to the presence of the decomposing organic matter. Organic layer helps to regulate soil temperature and moisture, improve soil structure and aeration, and provide essential nutrients for plant growth. It also helps to reduce erosion, improve water-holding capacity, and keep soil particles in place. Organic layer also helps to increase the biodiversity of the soil, as it provides a habitat for beneficial microorganisms and other organisms. Organic layer is an important part of any healthy soil system.

The sodium chloride solution has a higher density than water and helps to ensure that the two layers remain distinct. Additionally, the sodium chloride helps to break the surface tension between the two layers, making it easier to separate them.

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Option D-Asp 102 and His 57 from the B chain as well as Ser 195 from the C chain make up the active site of chymotrypsin.

Chymotrypsin (EC 3.4.21.1, chymotrypsins A and B, alpha-chymar ophth, avazyme, chymar, chymotest, enzeon, quimar, quimotrase, alpha-chymar, alpha-chymotrypsin A, alpha-chymotrypsin) is a digestive enzyme that works in the duodenum to degrade proteins and polypeptides by a process called Chymotrypsin preferentially breaks peptide amide bonds when the side chain of the amino acid at the P1 position, which is N-terminal to the scissile amide bond, is a big hydrophobic amino acid (tyrosine, tryptophan, and phenylalanine). These amino acids have an aromatic side chain that fits into an enzyme's hydrophobic pocket (the S1 location). When trypsin is present, it becomes active. The hydrophobic and form complementarity between the enzyme S1 binding cavity and the P1 side chain of the peptide substrate accounts for.

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The molarity of a solution of 116.9g of Nacl in 1l water is 2M.

What is molarity of a solution?

A solute's molar concentration is the quantity of that solute in one unit of a solution. It can be measured in mol/L, mol/dm3, or mol/m3. Molarity is the number of moles of solute present per liter of solution

Here,

We know molarity of a solution = moles of solute/litres of a solution

No of moles in 116.9g of nacl=2 (since 1 mole of Nacl=58.5g)

Volume of water= 1l

Therefore molarity of the solution is 2mol/1l= 2M

Hence the molarity of a solution of 116.9g of Nacl in 1l water is 2M.

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The work function of the metal is 3.41 * 10^-19 J.

We know that term work function has to do withy the energy that you have to supply so that you can be able to remove an electron from an atom. In this case we are looking at the work function of the atom that is called cesium.

Thus we have;

E = hc/λ

E= energy of the light

h = Plank's constant

c = speed of light

λ = wavelength

Then we would have that the wavelength of the light is given in the question as  400 nm

E = 6.6 * 10^ -34 * 3 * 10^8/400 * 10^-9

E = 4.95 * 10^-19 J

We then have;

KE = E - Wo

KE = kinetic energy

E = energy of the photon

Wo = work function thus we have;

Wo = E - KE

Wo = 4.95 * 10^-19 J -  1.54 x 10‐19J

Wo =3.41 * 10^-19 J

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Consider the decomposition of ammonium chloride at a certain temperature NH4Cl (s) <=> NH3 (g) + HCl (g). The equilibrium constant Kp is 4.4, if the total pressure is 2.2 atm at that temperature.

When a chemical process reaches equilibrium, the equilibrium constant (often represented by the letter K) sheds light on the interaction between the reactants and products. For instance, the ratio of the concentration of the products to the concentration of the reactants, each raised to their respective stoichiometric coefficients, can be used to establish the equilibrium constant of concentration (denoted by Kc) of a chemical reaction at equilibrium. It is significant to remember that there are several kinds of equilibrium constants that establish relationships between the reactants and products of equilibrium reactions in terms of various units. The ratio of reactant to product amounts that is used to predict chemical behavior is the definition of the equilibrium constant for a chemical process. In a state of equilibrium, the forward reaction rate equals the backward reaction rate. The rate constants are constant at a certain temperature. An equilibrium constant is the ratio of the forward reaction rate constant to the backward reaction rate constant, which must be a constant (Kequ).

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the d-spacing of the plane is 0.079nm which is equal to 0.79amstrong the miller indices of the family of directions in which {101} planes intersect are (434).

Associated with each plane is its d-spacing. This is the distance between successive, parallel planes of atoms. In particular, it is the distance between the planes described by xh + yk + zl = 0 and xh + yk + zl = 1. can be calculated by the Bragg's law: λ=2dsin(Ɵ) where λ is the wavelength of the X-ray beam (0.154nm), d is the distance between the adjacent GO sheets or layers, Ɵ is the diffraction angle.

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Answer:

CH₃C(CH₃)₂CH₂CH₃

Explanation:

2,2-Dimethylbutane has a four-carbon chain with two methyl groups on C-2. The condensed structural formula is CH₃C(CH₃)₂CH₂CH₃. Note that the two CH₃ groups are enclosed in parentheses after the carbon atom to which they are attached.

Electrons are shared in molecular compounds A. So that both atoms can achieve Nobel Gas configurations and E. So that both elements can have full valence shells.

Accept the noble gases, all the elements in the periodic table do not have the required electrons in their outermost shell to complete their valencies. As a result, the electrons are shared among molecular compounds so that the elements of the periodic table can complete their valency.

Molecular compounds are formed when elements react in order to attain an electronic configuration that is similar to its nearest noble gas. Molecular compounds are formed when elements lose, give or share electrons in order to make their valence shells full.

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A substance with a molar mass of around 60 g/mol with a composition of 3.3% H, 19.3% C, having 77.4% O has the chemical formula CH2O3.

The molecular formula gives the amount of atoms of each element that make up one molecule of a material, giving the number of atoms of each element per molecule of a substance. It shows an accurate count of each atom within a molecule. Propane, for instance, has the chemical symbol C4H10. According to this formula, the offered chemical consists of 4 carbon atoms and 10 hydrogen atoms.

The number of each object's atoms in a substance's molecules is determined by the molecular formula, which is also known as the "molecular formula." It shows an accurate count of each atom within a molecule. As an example

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Ethanol can dissolve in water because it is polar and can form hydrogen bond interactions with water.

Ethanol is often referred to as ethyl alcohol which has the chemical formula C2H5OH or CH3CH2OH which has a boiling point of 78.4°C. Ethanol is a chemical substance that is in the form of a clear liquid, has no color, is volatile and is very sensitive, so it is flammable.

Ethanol is generally used as a solvent in other chemicals such as drugs and other chemical compounds. This chemical dissolves easily in water and other organic solvents because it is polar and can form hydrogen bond interactions with water. The polarity of ethanol is due to the –OH group which is polar.

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The pH of the solution is now obtained as 10 after deprotonation.

We know that the pH has to do with the degree of the acidity or the alkalinity of system. Now we know that the pH can be measured by means of a pH meter.

In the body, there are a lot of biological molecules that work together to make the body to function effectively. Of all of these compounds, the most abundant of the biological molecules that are important in the body are the protein molecules.

The protein molecule is composed of the amino acids. Now we know that the amino acids can be protonated or deprotonated and the pH of the system would depend on whether the amino acid is protonated or deprotonated. The deprotonation of the substrate would make it much more basic.

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Missing parts;

Consider a di-glycine dipeptide (e.g. two glycine amino acids that have been covalently bonded together via a peptide bond). If the amino group is neutral and the C-terminal carboxy group is deprotonated, which pH value do you expect is most consistent with these observations?

Group of answer choices

a. 1

b. physiological pH

c. 3

d. the pKa of an aspartic acid side-chain carboxylate

e. 10

The molecular weight of the solid acid in units of g/mole is 25 g/mol

given that :

mass of the solid acid =0.630 g

volume = 40.4 mL = 0.04 L

moles =  molarity × volumes in liter

moles = 0.630 × 0.04 L

          = 0.0252 mol

the molar mass formula is given as:

molar mass = mass / moles

molar mass = 0.630 g / 0.0252 mol

molar mass = 25 g/mol

Thus, carrying out an experiment to determine the mw of a solid acid with the generic formula H₃A. you weigh out 0.630 g of the solid acid in a weigh boat and transfer it to a 125 ml Erlenmeyer flask. after dissolving the acid in 25 ml of distilled water, you add 15.44 ml of 0.335 m Sr(OH)₂(aq) solution . the molecular weight of the solid acid in units of g/mole is 25 g/mol.

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There are 8 electrons from each oxygen atoms. Hence oxygen molecule contains a total of 16 electrons in which 10 are bonding and 6 are antibonding electrons.

According to the molecular orbital theory, atomic orbitals overlaps to form molecular orbitals. Molecular orbitals are of different identity from that of atomic orbitals. There are both bonding and antibonding molecular orbitals.

The molecular orbital electronic configuration of oxygen molecule is written as :

[tex]\sigma 1s^{2} , \sigma^{*} 1s^{2}, \sigma 2s^{2} ,\sigma^{*} 1s^{2} , \pi2px^{2}, \pi2py^{2}, \sigma 2pz^{2}, pi2px^{1}, \pi2py^{1}[/tex].

There are total 16 electrons in which 10 are in bonding electrons and 6 are non-bonding electrons.

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[tex]Al^{3+}[/tex] is considered as strongest lewis acid among the following.

A stronger acid, in contrast to a stronger Lewis acid, has a reduced [tex]pK_{a}[/tex] value and a stronger propensity to take a pair of electrons, according to Bronsted and Lowry. Therefore, it is possible to think of the ionization potential, electron affinity, electronegativity, and electrophilicity as indicators of a Lewis acid's strength.

Lewis acids are thought to be entities that lack electrons. Lewis bases are regarded as electron-rich species. More positive charge means more electron shortage, which increases acidity.

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The heat is required to melt 1.50 mol of gallium at 1 atm pressure is

The given data as follows :

Ga(s) --> Ga(g)    ΔH = 277 kJ /mol

Ga(l)  ---->  Ga(g)   ΔH = 271 kJ/mol

from the given two conditions we can simply subtract the heat of the sublimation to the heat of the vaporization, we get :

Ga(s)  ----->   Ga(l)

ΔH = heat of sublimation - heat of vaporization

ΔH = 277 kJ/mol - 271 kJ / mol

ΔH = 6 kJ/mol

The heat = nΔH

               = 1.50 mol × 6 kJ/mol

               = 9 kJ

Thus, at 1 atm pressure, the heat of sublimation of gallium is 277 kJ/mol and the heat of vaporization is 271 kJ/mol. heat is required to melt 1.50 mol of gallium at 1 atm pressure is 9 kJ.

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Answer:to show you there different reactions

Explanation:

In the given molecular art options, option B and F are elements and option A, C, D and E are compounds.

Elements refer to pure substances which are composed of only one type of atom. It refers to a class of substances that cannot be separated into simpler substances by chemical means. In the given molecular structures, option B and F are elements as they made up of single type of atoms. Compounds refer to substances which are formed by two or more different types of elements that are united chemically in fixed proportions. When the elements combine together, they react with each other and form chemical bonds as a result of sharing or exchanging electrons between atoms which are difficult to break. As molecular structures, option A, C, D and E are made up of different type of atoms, they are compound.

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If copper (II) chloride and iron (III) react, the metal that will appear would be copper.

If a solution of copper (II) chloride and iron (III) react, copper would be produced according to the following chemical equation:

[tex]CuCl_2 + Fe --- > FeCl_3 + Cu (s)[/tex]

This is so because iron (III) is able to displace copper from copper (II) chloride. According to the table of reactivity series of cations,  iron (III) is higher than copper. As a rule of thumb, higher-placed cations are able to displace lower-placed cations in solution but the reverse cannot occur.

Thus, iron (III) is able to displace copper from copper (II) chloride resulting in the formation of copper as a result of being higher-placed on the reactivity series table.

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The option which does not affect the solubility of the gas in water is d) concentrations of other gasses in solution.

The solubility of the gas is depends on the interaction in between the molecules of the water and the molecules of the gas. The factors which will affect the solubility of the gas in the water is given as :

The temperature will affect the solubility of the gas and the solubility of the solids. the pressure will affect the solubility of the gas but does not affect the solubility of the solid.

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Option (c)  DNA is not directly involved in the process known as translation.

The process translation is the process of polymerization of amino acids to form a polypeptide. The order and sequence of amino acids are defined by the sequence of bases in the mRNA. The amino acids are joined by a bond which is known as a peptide bond. Formation of a peptide bond requires energy. Therefore, in the first phase itself, amino acids are activated in the presence of ATP and linked to their cognate tRNA- a process commonly called as charging of tRNA or aminoacylation of tRNA to be more specific. Translation begins when small subunit encounters an mRNA.

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The net change in NADH , FADH2 , and GTP is : NADH : 6 molecules, FADH2 : 2 molecules, and GTP : 2 molecules.

The citric acid cycle is the also called as the krebs cycle. it is also called as the TCA cycle. it is the series of the chemical reactions occurs to release the energy that is stored through the oxidation of the acetyl CoA. the net change in NADH , FADH2 , and GTP from the passage of two acetyl-CoA molecules through the citric acid cycle. degradation of one molecule of glucose yields two acetyl-CoA molecules.

The NADH = 6 molecules

The FADH2 = 2molecules

The GTPP = 2 molecules

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The assertion claims that the graphs of a subject with an unlimited number of options is a single statement.

Reaction equation demonstrate the end results of reactions as well as their formation. They are helpful in predicting reaction products. We can anticipate the outcome of the reaction between magnesium (a metal) and hydrochloric (a acid, of course!) using this method.

In between the formulas of the reactants, a plus (+) symbol is placed. On the right side, the reactions are written in terms on chemical symbols or molecular formulas. The product formulas are separated by a plus (+) symbol.

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Each dissociation has a unique Ka and pKa value. When the moles of base added equals half the total moles of base are in equal amounts.

The ratio of CB / WA = 1 and according to the HH equation, pH = pKa + log(1) or pH = pKa.

What is mole?

Amount of matter is a measure of how many basic units of a particular matter are contained in an object or sample is called a mole.

Therefore, Each dissociation has a unique Ka and pKa value. When the moles of base added equals half the total moles of base are in equal amounts. Amount of matter is a measure of how many basic units of a particular matter are contained in an object or sample is called a mole.

The ratio of CB / WA = 1 and according to the HH equation, pH = pKa + log(1) or pH = pKa.

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1.answer --->In methanol and water hydrogen bonding is present. 2.answer------>level of liquid in left arm is increases. Because solvent flows towards solution through semipermeable membrane during osmosis. 3.answer---->order of reaction with respect to [NO ] is 2, When methanol dissolves in water; intermolecular forces (IMFs) are formed between the solute and solvent molecules H~ TTH H_0-H methanol (CH3OH) water (HzO)

Methanol, the most basic form of alcohol (CH3OH), serves as the chemical basis for countless items used in daily life, such as paints, plastics, automobile components, and building supplies. In addition, methanol is a clean energy source that powers fuel cells, boilers, ships, vehicles, trucks, buses, and cook stoves. Methanol is a highly toxic substance. For a youngster, even 2 tablespoons (30 milliliters) can be fatal. Adults can die from drinking as little as 2 to 8 ounces (60 to 240 milliliters). Despite medical intervention, blindness is frequently permanent.

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