Humans process some foods by adding chemicals to reduce harmful bacterial growth. This allows foods to be edible for longer periods of time. Which best describes the advantages of food processing?.

A chemical equation shows the reactants (left side) and products (right side) in a chemical reaction.

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The structure of 1,5-dichloro-3-hexyme consists a six-carbon atom long chain with a triple bond at the third carbon and two chlorine (Cl) atoms attached at the first and fifth carbon positions.

Alkynes are classified into two types. The first has a triple bond at the ends of the carbon chain and is known as a terminal alkyne, while the second has a triple bond somewhere inside the longest carbon chain and is known as internal alkyne.

In the structure of 1,5-dichloro-3-hexyme, the term "3-hexyme" refers to an alkyne with a triple bond between the third and fourth carbon atoms in the longest chain, and "1,5-dichloro" refers to the presence of two chlorine atoms at the first and fifth carbons.

The skeletal structure of 1,5-dichloro-3-hexyne is shown below.

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To find partial pressure from mole fraction, we have to multiply mole fraction with total pressure in the event.

The formula for partial pressure is expressed as Pfraction = molefraction x Ptotal. Partial pressure is the result of multiplying the mole fraction by the total pressure. Let's look at the example below to make it simpler for you to understand:

Consider a chamber with 2.611 atm of pressure, 24.2 g of He, and 4.32 g of O₂. In this instance, we must first get the mole fraction before calculating the partial pressure.

24.2 g Neon x 1 mol Neon / 20.18 g Neon = 1.199 mol Neon

4.32 g Oxygen x 1 mol Oxygen / 31.998 g O₂ = 0.135 mol Oxygen.

Total moles =  1.199 x 0.135 = 1.334 mol gas

Mole fraction Ne = 1.199 mol/1.334 mol = 0.899

Mole fraction O₂ = Oxygen: 0.135/1.334 = .101

Then find the partial pressure

PNe = mole fraction Ne x Ptot = 0.899 x 2.611 atm = 2.35 atm

PO2 = mole fraction O ₂ x Ptot = 0.101 x 2.611 atm = 0.264 atm

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Answer:

Mass of nitrogen = 25.222g

Explanation:

We know that the mass of the unknown composition is 58.0g, so the total mass must add up to 58.0g, so let's make the unknown mass of nitrogen = x

24.3g + 3.072g + 5.406g + x = 58.0g

32.778g + x = 58.0g

x = 58.0g - 32.778g = 25.222g

Sandy soil would likely drain water the fastest.

Soil is composed of minerals, organic matter, water and gas. It is divided into three classes viz. sand, silt and clay.

The ability of a soil to absorb or drain water depends upon the pore size of the soil particles.

In case of clayey soil, the pore size is comparatively large than sandy soil so clayey soil will absorb the water molecules in its pores .On the other hand, the pore size of sandy soil is relatively small, so it cannot retain the water in its pores, hence it can drain water easily.

Due to this reason, sandy soil is usually used in filtration process.

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elements If Actions A and B exist independent, then P(A or Bi) = P(A) Plus P(B) - P(A or B) = 7/9 is the chance that either Incident A or Event B will occur.

It is crucial to remember that two mutually incompatible events cannot coexist unless one of them has a probability of occurring, as P (A B) = P (A) P (B) for independent events, and the sole way a product may equal zero is if either of the elements is also zero.

dependent occurrences When the result of the first event affects the result of the second event, two events are dependent. The likelihood of two connected events is the.

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If a 10.0 g sample of cobalt -60 is left alone 0.63 g will be left after 21.2 years the half-life of cobaltt-60 is 5.3 years.

The term half life period is defined as the time required by a radioactive substance to transform into a different substance.

Given :

T = half life of cobalt-60

= 5.3 years

λ = decay constant for cobalt-60 = ?

decay constant is given as follows

λ = 0.693 / T

Substituting the given values

λ = 0.693/5.3

= 0.131

N₀ = initial amount of cobalt-60

= 10 g

t = time of decay

= 21.2 years

N = final amount of cobalt-60 after time "t"

final amount of cobalt-60 after time "t" is given as

N = N₀

Substituting given values

N = 10

N = 10 x 0.0622 g

N = 0.63 g

Thus, if a 10.0 g sample of cobalt -60 is left alone 0.63 g will be left after 21.2 years the half-life of cobaltt-60 is 5.3 years.

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The structure of periodic acid [tex]HiO_{4}[/tex] attached at end of the solution.

The formal charge of [tex]HiO_{4}[/tex] is zero.

Lewis structures illustrate the bonds forming between the various atoms in covalent compounds. These further demonstrate the molecule's lone pairs. Lewis dot diagrams, electron dot diagrams, Lewis dot structures, and Lewis dot formula are other names for them. These structures can predict the shape, polarity, and reactivity of covalent compounds.

First, determine the total number of valence electrons. The H atom (group 1) has one valence electron, the I atom (group 17) has seven, and the O atoms have six valence electrons (group 16).

Take two electrons away from each bond in the skeletal framework. In this form, the 5 bonds each receive 10 of the 32 valence electrons.

The other O atom receives the final two valence electrons, completing the octets for the terminal O atoms. Because the iodine atom does not yet have a complete octet.

The diagram is attached at the end of the solution.

Formal charge = v - l - [tex]\frac{b}{2}[/tex]

v = valence electron on a free atom

l = lone pair electrons in bonding atoms

b = bond pairs of electrons

Therefore formal charge on I = +3, 3O = -1

Thus formal charge of [tex]HiO_{4}[/tex] = zero.

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The abundance diagram is as attached in the image.

The approximate pH of a solution of 1.00 M CH3COOH is less than 4.74.

In chemistry, pH, which originally stood for "potential of hydrogen," is a scale used to determine the acidity or basicity of an aqueous solution. Acidic solutions (solutions with greater H+ ion concentrations) have lower pH values than basic or alkaline solutions.

The pH scale may be traced back to a collection of standard solutions whose pH has been determined by worldwide agreement.

The potential difference between a hydrogen electrode and a standard electrode, such as the silver chloride electrode, is measured in a concentration cell with transference to derive primary pH standard values.

A glass electrode with a pH metre, or a color-changing indicator, can be used to test the pH of aqueous solutions. pH measurements are critical in chemistry, agronomy, medicine, water treatment, and a variety of other fields.

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The cost of coal per short ton in the United States is approximately $50. 8% of this would be $4, meaning that the amount of money lost to transportation per short ton is $4.

Transportation is the movement of people or goods from one place to another. It is a critical part of the global economy and is a key factor in the development of social and economic opportunities. Transportation is also an important factor in the quality of life of individuals and communities. There are many different types of transportation, including public transit, such as buses, trains, and subways; private transit such as taxis, carpools, and ride sharing; and personal transportation such as cars, motorcycles, and bicycles. Transportation is an essential tool for connecting people and goods to the places they need to go, and for providing access to essential goods, services, and opportunities. It is also a key factor in the development of cities and urban areas, as well as in the movement of people and goods between countries and continents.

This is due to the cost of transporting coal from the mine to the point of sale, which can include costs such as fuel, labor, and infrastructure.

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Atoms constitute single neutral particles, and there are 3.91 x 1022 molecules in 2.86 g of CO2. By bonding together two or more atoms, molecules are neutral particles.

The smallest component of a material, a molecule is made up of two or more atoms that are joined by chemical bonds and preserve the structure and characteristics of the larger substance. Chemistry is built on molecule-level principles. A subscript indicating the number of atoms is used after the element symbol to identify molecules.

An atom is the tiniest component of an element and shares all of its chemical characteristics with the element as a whole. Dalton's Atomic Theory was the first valid theory describing the makeup of stuff. 1. Atoms were indivisible and unbreakable, and they make up all matter.

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The abiotic factors that influence dissolved oxygen include temperature, salinity, and sunlight.

What is an abiotic factor?

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Semiconservative replication is a type when DNA replication is complete the end result is two identical molecules that are each half old and half original strand

Having one strand makes it feasible to replicate the other strand since the two strands complement one another. According to this concept of replication, the double helix's two strands separate during the replication process and each one acts as a template from which the next complimentary strand is copied.

Each of the two strands that make up the double helix acts as a template from which new strands are copied during DNA replication. The parental or "old" strand and the new strand will complement one another. One new daughter strand and one new parental strand make up each new double strand. Semiconservative replication is what is meant by this. When two DNA copies are created, they are equally divided into two daughter cells and have an identical nucleotide base sequence.

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Yes, it is the right response. Although the elements are imaginary, they resemble actual elements .Nomenclature is an organism name system used in biological classification.

The Latin words nomen (name) and calare (to call) are the source of the word nomenclature. Both the Latin word nomenclatura and the English word nomenclator, which also denotes a source or broadcaster of names, relate to a list of names.

Nomenclature is an organism name system used in biological classification. Genus & species names, two Latinized nouns drawn from numerous sources, serve as indicators of the species whereby the creature belongs.

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Answer:

807 g = 4.9987 (Rounded Answer)

Explanation:

807 grams = 4.998680645628887 mol

A mole is described as the amount of substance that has as many particles as there are atoms in exactly 12 grams of carbon 12 isotope.

A mole refers to the amount of substance that has as many particles as there are atoms in exactly 12 grams of carbon 12 isotope. A mole shows 6.022×1023 particles irrespective of their nature.  The symbol of a mole is 'mol'. And one mole is equal to 6.022×1023.

A mole is a standard scientific unit that measures large quantities of very small entities such as molecules, atoms, or other specified particles.

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When benzene has both a strong and weak activator group, only the strong activator guides the electrophile towards ortho or para to the that activator group.

Because they lack an electron, electrophiles can receive a pair of electrons from organisms that have an abundance of them. Examples include carbonyl compounds and carbocations. A nucleophile is a species that has an abundance of electrons and gives electron pairs to species that lack electrons. Carbanions, water, ammonia, cyanide ions, and others are examples.

A chemical species known as an electrophile in chemistry accepts an electron pair from nucleophiles to form bonds with them. Electrophiles are Lewis acids because they are electron-accepting molecules.

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Balance equation is  2NaOH + H2SO4 → Na2SO4+2H2O.

1) N2O5 -> N2O4 + O2  Balance equation

N2O5 = N2O4 + 1/2O2 eq. as written

N two on left and two on right

O five on left and six on right. Easiest fix make 1/2O2. Now O five on left and five on right.

Or multiply each side by two to get.

2N2O5 = 2N2O4 + O2

N is 4=4 and O is 10=10

2) KNO3 -> KNO2 + O2 Balance equation

On heating potassium nitrate decomposes to produce potassium nitrite along with oxygen gas.

The balanced chemical equation of the reaction is as follows-

2KNO3 ->2 KNO2 + O2

3) NH4NO2 -> N2 + H2O  Balance equation

 NH4NO2=2H2O+N2

N-2,2 balanced

 H-4,4balanced

  O-2,2balanced

4)O3 -> O2 Balance equation

  is   2O3 = 3O2

5) Zn + AgCl -> ZnCl2 + Ag Balance equation

is Zn+2AgCl→ZnCl2+2Ag

6) NaOH + H2SO4 -> NA2SO4 + H2O  Balance equation

is 2NaOH + H2SO4 → Na2SO4+2H2O.

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1-chloro-2-methylbutane does not contain a chiral center. A chiral center, also known as a stereogenic center, is a carbon atom that is bonded to four different substituents.

In this molecule, the carbon atom at position 2 is bonded to a chlorine atom, a methyl group, and two methylene groups, so it is not a chiral center.

There are two different substituents at atom #2, a chlorine atom and a methyl group. This is because atom #2 is bonded to a chlorine atom and a methyl group, which are chemically distinct and different from one another.

It's worth noting that the presence of chiral centers in a molecule is important because it can give rise to stereoisomers, which are molecules that have the same chemical formula and bonding arrangement, but differ in the arrangement of atoms in space.

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26.7 moles of sodium bromide will produce 26.7 moles of silver bromide.

Sodium bromide is an inorganic compound with the chemical formula NaBr. It is a white, crystalline solid that is highly soluble in water. It is used in a variety of applications, including as a source of bromide ions in chemical synthesis, as a fire reta rdant, and as a disin fectant. It is also used in photography, medicine, and in the production of bromine compounds. In medicine, it is used as a sedative and anticonvulsant.

This is because the reaction between sodium bromide and silver nitrate is a 1:1 mole ratio reaction.
This means that for every mole of sodium bromide, one mole of silver bromide will be produced.
Therefore, 26.7 moles of sodium bromide will produce 26.7 moles of silver bromide.

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Lewis structure is the representation of the valence shell electron in a molecule. Lewis structure of C2F6 can be represented by the Lewis dot structure rule.

Lewis dot Structure is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are shown as "dots" or for bonding electrons as a line between the two atoms. First we have to draw a skeletal structure for the molecule. Then Count total number of valence electrons in the molecule. Then assign 2 electrons to each bond. If there are remaining electrons, they can be used to complete the octet of the central atom. If we have run out of electron, we are required to use lone pairs of electrons from a terminal atom to complete the octet on the central atom by forming multiple bond(s).

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9.  The slope for the given equation 3- y ≤ -5x is 5 and intercept is 3.

Slope-intercept form (y=mx+b) of linear equations highlights the slope (m) and y-intercept (b) of line. The slope intercept formula y = mx + b is used when you know the slope of line that is to to be examined and point given is also the y intercept (0, b). In this formula, b represents y value of the y intercept point.

The slope intercept for of linear equation is: y = mx +b

m is slope and b is y intercept.

So, y = 5x + 3

Now m = 5 ; so the slope is 5

b = 3 ; hence y-intercept is 3

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The number of mole of Al₂O₃ formed when 4.0 moles of O₂ reacts, given the reaction is 2.67 moles

From the given stoichiometry of the reaction (i.e 6.0 moles of Al reacts with 4.0 moles of O₂ to form Al₂O₃), we can see that O₂ is the limiting reactant.

Knowing that O₂ is the limiting reactant we can easily determine the number of moles of Al₂O₃ formed when 4.0 moles of O₂ reacts as follow:

4Al + 3O₂ -> 2Al₂O₃

From the balanced equation above,

3 moles of O₂ reacted to produce 2 moles of Al₂O₃

Therefore,

4 moles of O₂ will react to produce = (4 moles × 2 moles) / 3 moles = 2.67 moles of Al₂O₃

Thus, we can conclude from the above calculation that the number of moles of Al₂O₃ formed is 2.67 moles

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Answer: 2.67

Explanation:

A model that shows how electrons orbit atom nuclei is known as an electronic configuration diagram.

The number of protons in an atom's nucleus or the number of electrons in an electrically neutral atom is the atomic number of that element. The capital letter Z is used to represent it. Atomzahl, a more contemporary word for atomic number in German, is where the letter Z gets its name.

Electrons are arranged around the central nucleus in energy levels, or shells, and are shown as dots or crosses. It  known as electrodot diagrams display the distribution of an atom's valence electrons as dots around the element's symbol.

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6.022 ×10²³ atoms are present in 12.0 grams of carbon.

Mole (mol) is the amount of material counting 6.02214 × 10²³ particles

The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12.

12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 10²³ atoms

The number of particles in 1 mole is called Avogadro’s Number (6.0221421 x 10²³).

6.022 ×10²³atoms/1mol

or

1 mol/6.022 ×10²³ atoms

Molar Mass is the mass of 1 mol of atoms of an element

An element’s molar mass in g/mol is numerically equal to the element’s atomic mass in amu.

1 mol C/12.01 g C

or

12.01 g C/ 1mol C

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The mass in grams of 0.700 moles of water (H₂O) = 12.6g/mol (option C)

The mass of a chemical in a mole is known as its molar mass.

It is the total atomic mass of every element that is present in that molecule. The molar mass unit is g/mol.

Determine the molar mass of the water(H₂O):

Molar masses of 1 g/mol of hydrogen and 16 g/mol of oxygen make up a mole.

The chemical formula for water is H₂O.

The water's molar mass is thus:

H₂O = (2 x 1) + 16

= 18 g/mol

Moles of water = 0.700

The molar water (H₂O) mass = 18 g/mol

Object's mass is determined by:

m = (moles of the sample) x (molar mass of the compound)

So, mass of the water (H₂O):

= (0.700) x (18)

= 12.6 g/mol

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The elements highlighted in red have the same number of electron shells

in common. The correct answert is D.

A row of chemical elements makes up a period in the periodic table. The number of electron shells is the same for every atom in a row. Periods are the horizontal divisions or rows in the periodic table, and groups are the vertical divisions or columns.

Periods are shown in the table from top to bottom, numbered 1 through 7. Because they have the same number of orbitals, elements with the same period have identical masses but different characteristics. In other words, the electrons on the same outermost level, which is precisely the number that distinguishes each period, are a characteristic of the elements of a certain period. For instance, the third period elements have electrons up to level three.The number of the energy level increases as the periodic table's period numbers do.

The items with a red highlight share the trait of being from the same period, which is period two. As a result, electrons can now reach level 2.

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