Draw the Lewis structure for Is in the window below and then answer the questions that follow. Do not include overall ion charges or formal charges in your drawing. C P c ▼ 田. /.*ノ//▼ 0申0 [产 ChemDoodle b What is the electron-pair geometry for I in l3? What is the the shape (molecular geometry) ofI3? PreviousNext

Li₂⁺ molecular orbital diagram shown below.

Atomic orbitals, which reflect the distribution of electrons over two or more atoms, are combined linearly to form molecular orbitals.

A molecular orbital diagram is used to comprehend the bonding of a diatomic molecule. The magnetic characteristics of a molecule and how they change with ionisation may be determined using MO diagrams. They also show the number of bonds shared by the two atoms, or the bond order of the molecule.

To comprehend a diatomic molecule's bonding, utilise a diatomic molecular orbital diagram. The magnetic characteristics of a molecule and how they change with ionisation may be determined using MO diagrams. They also shed light on the molecule's bond arrangement and the number of bonds that are shared by the two atoms.

Li = 1s²2s¹

Li₂⁺ molecular orbital diagram shown below:

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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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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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When an unstructured crystals polymer is annealed considerably below melting temperature, its tensile modulus increases.

The portion left over after dividing one integer by another is known also as modulus (or "modulus" or "mod"). For instance, 100 mod 9 is 1. due to the fact that 100/9 Equals 11 with a residue of 1. Here's another illustration: 14 modulo 12 equals 2. since the remainder is 2, and 14/12 = 1.

No matter what that's sign, a real number's non-negative value, or absolute value (or modulus), is | x |. For instance, five has an absolute value of five, and five less five also has an absolute value of five. To measure the elastic modulus, we often use megapascals (MPa) or gigapascals (GPa).

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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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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.

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 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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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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Answer:to show you there different reactions

Explanation:

The radioactive element rubidium-87, which is used to estimate that absolute age of pliocene animal carcasses, is the best way to calculate the age of a volcanic rock.

why certain elements are unstable to radioactivity. When an element's atoms contain excess neutrons or protons, the extra energy produced in the nucleus causes the atom to lose its equilibrium or become unstable. if and how radioactive materials can become stable. Radiation is produced by radioactive atoms' unstable nuclei.

Polonium. Many sources list polonium as being the most radioactive substance due to the fact that it is a naturally occurring element that emits a significant amount of radiation. Because of how radioactive polonium is, it glows blue due to the activation of

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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 sugar monosaccharide is glucose. Maltose is created when two glucose sugar molecules join forces. Two molecules of glucose include atoms that will exhibit nucleophilic and elimination reactions.

A second glucose molecule's fourth carbon will be attacked by the OH group of an anomeric carbon. A condensation reaction between two molecules of glucose results in the production of maltose sugar. Disaccharide maltose is produced. Monosaccharides are the most basic type of sugars and can be found in many everyday foods including honey, cane sugar, and fruits. Take a closer look at monosaccharides. We have already learned what a carbohydrate is and what it is not. The simplest type or subclass of carbohydrates is called a monosaccharide.

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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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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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Three alpha particles are emitted when radium-88 decay into an element having atomic number 82.

The element with an atomic number 88 is Radium i.e., a radioactive element. The decay from atomic number 88 to atomic number 82 involves a loss of 6 protons.

For losing 6 protons, three alpha particles are used as one alpha particle has two protons which mean that decay via three alpha particles will result in the loss of 6 protons.

Thus, six protons are lost when radium-88 decay into an element with atomic number 82.

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Answer:

Water pollution is caused by the introduction of contaminants into water bodies.

Explanation:

These contaminants can come from a variety of sources, including agricultural runoff, sewage treatment plants, industrial discharges, and stormwater runoff from urban areas. Water pollution can have serious impacts on the environment, including the loss of aquatic habitats, the decline of fish populations, and the contamination of drinking water supplies. It can also have negative impacts on human health, as some pollutants can be toxic or cause illness when ingested or come into contact with skin. There are a number of measures that can be taken to reduce water pollution, including regulating discharges from industrial and agricultural operations, improving sewage treatment processes, and implementing best management practices to prevent runoff from entering water bodies.

The structure of 2-ethyl-3-hexyne

H3C–CH2–CH2–CH2–C2H5–CH2–CH2–CH2–CH3

2-Ethyl-3-hexyne is an alkene with the chemical formula C7H12. It has a single carbon-carbon double bond, located between the second and third carbon atoms. The rest of the molecule consists of two ethyl groups (C2H5) attached to the first and fourth carbon atoms, and five methyl groups (CH3) attached to the third through seventh carbon atoms. The compound has a total of twelve hydrogen atoms attached to its carbon atoms. Its structure can be written as follows:

H3C–CH2–CH2–CH2–C2H5–CH2–CH2–CH2–CH3

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TRUE , a recursive definition is characteristically a three-step process.First, we specify some basic objects in the set

A three-step method is typical of a recursive definition. We start by defining a few fundamental set objects. Then, using the ones we already know, we provide rules for creating other items from the set. Third, we stipulate that the only items that are permitted in the set are those that were made in this manner. A recursive rule for a sequence is a formula that explains how to move from one term in a sequence to the next. The variable typically serves as a symbol for the concept of number. In other words, takes on the values 1 for the first term, 2 for the second term, 3 for the third term, etc.

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The charge that a strontium ion would have is +2.

The strontium atom has a 38th atomic number. A metal called strontium reacts with water and burns in the air.

The strontium atom's electrical structure is [Kr]2s².

Two electrons are located in the fifth outer orbital of the strontium atom.

Clearly demonstrate that the strontium ion's electrical configuration is Sr(+2).

The two electrons from the outermost 5S orbital fly out when strontium enters an ionic state.

because the potential energy in this outermost orbital is the largest.

Therefore, we can state that the strontium ion will have a 2+ charge.

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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 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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The difference in energy between orbitals decreases rapidly with increasing values of n.

A function that describes the position and wave-like behavior of an electron in an atom is known as an atomic orbital in atomic theory and quantum mechanics. With the help of this function, one can determine the likelihood of discovering any atom's electron in any given area around the nucleus. A physical area or location that the electron can be expected to be in according to the specific mathematical shape of the orbital can also be referred to as an atomic orbital. 

The three quantum numbers n, l, and ml, which correspond to the electron's energy, angular momentum, and an angular momentum vector component, are used to describe each orbital in atoms (magnetic quantum number).

Question:

What happens to the energy of an orbital as n increases.

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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 (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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N-Chloromethylamine is the name given to the molecule. The provided molecule contains the highly electronegative components nitrogen and chlorine, as can be seen. Hydrogen bonding is not visible because of the enormous size of chlorine, whereas it is visible because of the lower size of nitrogen.

Because it is too big, the chlorine atom in chloromethane cannot form hydrogen bonds. In chloromethane, the hydrogen atoms are not sufficiently electropositive and are not linked to an electronegative atom. As a result, chloromethane and water molecules are unable to establish hydrogen bonds.

An abundant biopolymer called chitin stabilises the exoskeleton of insects and gives plants their shape. These intermolecular connections, which connect the polymer strands in a complicated network of hydrogen bonds, are the source of the material's macroscopic characteristics.

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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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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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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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