2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2O

In the above equation how many grams of N2 can be made when 141 grams of CuO are consumed?

Round your answer to the nearest tenth. If you answer is a whole number like 4, report the answer as 4.0

Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.:

The peptide's shorthand name, Ala-Gly-Ser, stands for Alanine, Glycine, and Serine.

Each amino acid is distinguished from the others by a R side chain, a -carboxyl group, and a -amino group.

Peptide bonds—substituted amide connections that hold amino acid chains together covalently—are what give these strands of amino acids their shape. With the absence of a water molecule, the reaction here between amino group from one amino acid as well as the carboxyl group of second amino acid takes place.

Three amino acids are bound together into peptide bonds to form a tripeptide.

The first residue of the peptide in question has a side chain methyl group. The second residue has a side chain of hydrogen atoms. A side chain with a hydroxymethyl group can be found in the third residue.

As a result, the peptide's shorthand name is Ala-Gly-Ser and it is made up of the amino acids Alanine, Glycine, and Serine.

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the complete question is-

Peptide with three amino acid residues. The first residue contains a methyl group side chain. The second residue contains a hydrogen atom side chain. The third residue contains a hydroxymethyl group side chain. The amino group of the first side chain binds to the unshown remainder of the peptide. The carboxyl group of the third side chain binds to the unshown remainder of the peptide. Determine which amino acids are present in the peptide.

Thus, the real values of x for which f(x) = 0 are -3 and 8. The real values of x for which f(x) = 0 can be found by solving the equation x^2 - 5x - 24 = 0 using the quadratic formula.

The quadratic formula states that the roots of a quadratic equation of the form ax^2 + bx + c = 0 are given by:

x = (-b ± √(b^2 - 4ac)) / (2a)

Where a, b, and c are the real values of x coefficients of the equation, and √ represents the square root.

For the equation x^2 - 5x - 24 = 0, we have:

a = 1, b = -5, and c = -24

Plugging these values into the quadratic formula, we get:

x = (-(-5) ± √((-5)^2 - 4 * 1 * -24)) / (2 * 1)

x = (5 ± √(25 + 96)) / 2

x = (5 ± √121) / 2

x = (5 ± 11) / 2

So, the real values of x for which f(x) = 0 are x = (5 + 11) / 2 = 8 and x = (5 - 11) / 2 = -3.

Thus, the real values of x for which f(x) = 0 are -3 and 8.

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When measuring the vapour pressure of a chemical, it is critical to ensure that the temperature of the flask containing the substance has reached equilibrium with the temperature of the water bath in which it is put. If this is not done, the experiment's results may be influenced in a number of ways.

a. Effect on Pvapor: If the temperature of the flask has not reached equilibrium with the water bath, the initial pressure temperature data pair collected will not accurately reflect the vapour pressure of the substance at that temperature. This is because the temperature of the substance will still be changing and will not have stabilised at the temperature of the water bath. As a result, the measured vapour pressure will be higher or lower than if the flask temperature had reached equilibrium with the water bath.

b. Effect on the slope of the line: The slope of the line in a plot of lnPvapor vs 1/T is directly connected to the enthalpy of vaporisation of the material (Hvap). The slope of the line will be inaccurate if the temperature of the flask has not reached equilibrium with the water bath. This is due to the fact that the substance's temperature will continue to change, and the recorded vapour pressure will not precisely reflect the vapour pressure of the substance at that temperature.

c. Effect on Hvap calculation: A substance's enthalpy of vaporisation is proportional to the slope of the line in a plot of lnPvapor vs 1/T. If the temperature of the flask has not reached equilibrium with the water bath, the slope of the line will be inaccurate, as will the computed Hvap.

To summarise, it is critical to enable the temperature of the flask to approach equilibrium with the water bath in order to obtain correct findings when measuring a substance's vapour pressure. To avoid inaccuracies in the recorded vapour pressure, the slope of the line in a plot of lnPvapor vs 1/T, and the predicted Hvap, equilibrium must be reached.

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The Cullinan Diamond was found in Transvaal, South Africa, in 1905, and the Transvaal government sent it to Edward VII of England (reigned 1901–1910) as a birthday gift.

It became a worldwide sensation and was bought by the government of the Transvaal Colony. The Cullinan diamond was originally sold for £150,000. The Cullinan diamond has been a part of royal regalia since it was presented to the royal family in 1907.

It was the largest gem-quality rough diamond ever discovered, weighing well over 3,000 carats. When it was found, it was worth more than $21 million in today's dollars.

Therefore, It is the fourth-largest polished diamond in the world, weighing 317.4 carats. The enormous diamond was given Sir Thomas Cullinan's name after the mine's owner after it was unearthed.

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The Cullinan Diamond was found in Transvaal, South Africa, in 1905, and the Transvaal government sent it to Edward VII of England (reigned 1901–1910) as a birthday gift.

It became a worldwide sensation and was bought by the government of the Transvaal Colony. The Cullinan diamond was originally sold for £150,000. The Cullinan diamond has been a part of royal regalia since it was presented to the royal family in 1907.

It was the largest gem-quality rough diamond ever discovered, weighing well over 3,000 carats. When it was found, it was worth more than $21 million in today's dollars.

Therefore, It is the fourth-largest polished diamond in the world, weighing 317.4 carats. The enormous diamond was given Sir Thomas Cullinan's name after the mine's owner after it was unearthed.

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A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

The mole, symbol mol, is the unit of amount of substance in the International System of Units (SI). The quantity amount of substance is a measure of how many elementary entities of a given substance are in an object or sample. The mole is defined as containing exactly 6.02214076×1023 elementary entities.

The name has nothing to do with the animal whatsoever. German chemist Wilhelm Ostwald generally gets the credit for introducing the word. Ultimately, though, the word mole comes not from German but from the Latin word moles, which means “a mass” .

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Answer: This indicates a chemical reaction.

Explanation: The bubbles formed are a sign that a gas has formed.

Answer:

3. Argon

Explanation:

The average atomic mass of an element with a value of 39.95 amu is Argon (Ar). The answer choice number is 3.

Answer: The chemical formula for barium chloride shows the number of *atoms* of each element in the *smallest* representative unit of the substance

Explanation:

In the compound C2H4, the carbon atoms are in Sp² hybridized state.

In chemistry, hybridization refers to the mixing of atomic orbitals to form new hybrid orbitals with different energy levels and geometric shapes. The most common types of hybridization are sp³, sp², and sp. The type of hybridization that occurs in a molecule depends on the arrangement of its atoms and their electron configurations. In the case of C2H4 (ethylene), the carbon atoms are bonded to each other and to hydrogen atoms in a planar arrangement. This requires the carbon atoms to be in sp² hybridization, where the 2s orbital and two of the 2p orbitals mix to form three equivalent sp² hybrid orbitals. These sp² hybrid orbitals are then used to form sigma bonds with the other atoms in the molecule. This type of hybridization results in a flat, trigonal planar arrangement of atoms in the molecule.

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Complete question:

In which of the following compounds, carbon atoms are in Sp² hybridized state?

A C3H8

B C2H2

C C2H4

D CH4

Acetylsalicylic acid (ASA) has a pKa of 3.4, making it a weak acid. This implies that the pH of a 200 mM ASA solution will be around 0.54. This increases the solution's acidity by around 5.7 times compared to a neutral solution (pH 7).

Acetylsalicylic acid (ASA), also referred to as aspirin, is a nonsteroidal anti-inflammatory drug (NSAID) used as a blood thinner and to treat inflammation, fever, and/or pain. Inflammatory conditions like Kawasaki disease, pericarditis, and rheumatic fever are all treated with aspirin. Aspirin is also used long-term to help those at high risk prevent further heart attacks, ischemic strokes, and blood clots. For pain or fever, effects frequently start within 30 minutes. Aspirin works similarly to other NSAIDs, but it also prevents platelets from performing their normal role.

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The most favorable nucleophile for 1,4-addition with methyl vinyl ketone is sodium cyanide (NaCN).

Sodium cyanide (NaCN) is a highly reactive and strong nucleophile, capable of reacting with methyl vinyl ketone through a 1,4-addition reaction. This reaction is favored by the highly electrophilic carbonyl group in methyl vinyl ketone, which attracts nucleophiles to add to the carbonyl carbon.The reaction of NaCN with methyl vinyl ketone proceeds through nucleophilic attack by the cyanide ion on the carbonyl carbon, leading to formation of a tetrahedral intermediate. .Compared to other nucleophiles listed such as ZnBr2, LiAlH4, and (C6H5)3P=CH2, NaCN is a stronger nucleophile and is therefore more favorable for 1,4-addition with methyl vinyl ketone. Additionally, the reaction with NaCN is typically faster and more efficient compared to other nucleophiles. the 1,4-addition of NaCN to methyl vinyl ketone results in the formation of a product with the negative charge located on the carbon alpha to the carbonyl group, as opposed to the carbonyl carbon itself.

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H₂ O₂, covalent bonds in O₂ are both polar and nonpolar.  The structure of H₂ O₂, while the two bonds between two O atoms are non-polar, the two bonds between O and H are polar.

A non-polar covalent connection is created when atoms with an equal amount of electrons share one another. The electronegativity of the two atoms is equivalent. When two atoms with similar electron affinities join together, like in the case of diatomic elements, it happens. Gas molecules like hydrogen and nitrogen serve as examples. Most non-polar bonding compounds have symmetrical structures. There are no electrical poles on it. When atoms are distributed unevenly in a covalent connection, a polar covalent bond develops. Specifically, when the two atoms in the bond have electronegativities that range between 0.4 and 1.7. In most cases, the phrases "polar bond" and "polar covalent bond" are interchangeable. Most non-polar bonding compounds have asymmetrical structures. There are electrical poles on it.

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Assuming our planet to be a perfect sphere, then the average density of the Earth is approximately 5.514 g/cm^3.

The average density of the Earth can be calculated as follows:

The volume of a sphere can be calculated using the formula:

V = (4/3) * π * r^3

Where r is the radius of the sphere. The radius of the Earth is approximately 6,371 km.

The mass of the Earth is known to be approximately 5.97 x 10^24 kg.

So, the average density of the Earth can be calculated as follows:

density = mass / volume

density = 5.97 x 10^24 kg / [(4/3) * π * (6,371 x 10^3 m)^3]

density = 5.97 x 10^24 kg / (1.08 x 10^21 m^3)

density = 5514 kg/m^3

To convert from kilograms per cubic meter to grams per cubic centimeter, we multiply by 1000:

density = 5514 kg/m^3 * 1000 g/kg = 5.514 x 10^6 g/m^3 = 5.514 g/cm^3

So, the average density of the Earth is approximately 5.514 g/cm^3.

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At 1.00 atm of pressure, a sample of a gas takes up 250 mL. The new volume will be 125 mL if the temperature remains constant and the pressure rises to 2.00 atm.

According to Boyle's law, a gas's volume changes inversely with pressure when the temperature is held constant.

The flowing gas molecules are spaced from one another at a specific distance. The volume decreases as the pressure rises because the molecules are forced closer together. Gases are liberated to travel in a bigger volume when the pressure is reduced.

Boyle's law can be mathematically represented using the following equation:

P × V = k, where k is constant.

To compare how a gas's conditions are changing, utilise Boyle's Law. If P₁ and V₁ are the beginning pressure and volume, respectively, and P₂ and V₂, respectively, are the ultimate pressure and volume, then Boyle's Law can be expressed mathematically as follows:

P₁ V₁ = P₂ V₂

Here, P₁ = 1 atm, V₁ = 250 mL, P₂ = 2 atm, V₂ = ?

Putting these values in the above equation,

1 × 250 = 2 × V₂

or, 2 V₂ = 250

or, V₂ = 125 mL.

Hence, the new volume is 125 mL.

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The mass of the solid after the state change would still be 1.6 micrograms. Mass is a measure of the amount of matter in an object, and it remains constant during a phase change (such as from a liquid to a solid) as long as no matter is added or removed from the system.

In the metric system, a microgram is a unit of mass equal to one million grams. The unit symbol is μg according to the International System of Units; the recommendation symbol in the United States and United Kingdom when conveying medical information is mcg.

Formula Micrograms :

1 kilogram

1 * 10^3 gram

1 microgram

1 * 10^-3 gram

1 kilogram / 1 microgram

10^3 / 10^-3

10^6

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Camphor at 152.23 g/mol and isoborneol at 154.25 g/mol 0.1 g of camphor with a mole ratio of 1:1 Moles of camphor: 0.1g/152.23g/mol is equal to 0.000657 moles. Isoborneol has a molecular weight of 0.000657*154.25 g/mol.

It was discovered that this reaction has a very high percent yield of 80%. However, we had anticipated that in the methanol solvent, sodium borohydride would attack camphor from the side that was less sterically hindered, mostly producing isoborneol. Camphor at 152.23 g/mol and isoborneol at 154.25 g/mol 0.1 g of camphor with a mole ratio of 1:1 Moles of camphor: 0.1g/152.23g/mol is equal to 0.000657 moles. Isoborneol has a molecular weight of 0.000657*154.25 g/mol. It is 0.101 g in theory. Impure materials calculation: A gram of camphor weighs 0.12. Weight: 41.961 pounds for a 50 ML flask.

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Yes, atoms of the same element contain the same number of protons.

The reason for this is that the number of protons in the nucleus is the atomic number of the element. Due to the uniqueness of the atomic number, it is considered a way to identify elements For example, hydrogen has one proton in its nucleus.

Do all the atoms of an element have the same number of protons?

The number of protons in an atom is called its atomic number (Z). This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms.

Are all atoms the same in an element?

No. Two atoms of the same chemical element are typically not identical. First of all, there is a range of possible states that the electrons of an atom can occupy. Two atoms of the same element can be different if their electrons are in different states

How many protons are in every atom?

The number of protons in an atom is equal to the atomic number of the element. For example, let's use oxygen. According to the periodic table, oxygen has the atomic number eight.

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The "spent coffee grounds" would not be considered a material stream exiting out of the roaster. Thus, option C holds the truth.

Spent coffee grounds are not a material stream exiting the roaster because they are the residual product of the roasting process and are considered waste. They are removed from the roaster after the roasting process is complete and are typically disposed of.

The other three options listed (water vapor, carbon dioxide, and other VOCs, chaff, and roasted coffee beans) are all materials that are released from or removed from the roaster during the roasting process. Water vapor, carbon dioxide, and other VOCs are gaseous byproducts of the roasting process that are released into the atmosphere. Chaff is the dry outer layer of the coffee cherry that is separated from the bean during the roasting process and can be reused as a fuel source or as fertilizer.

Roasted coffee beans are the end product of the roasting process and are packaged and sold as a finished product.

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The major organic product obtained from the following reaction 2.

Organic refers to the use of natural, sustainable farming practices and the avoidance of synthetic inputs such as pesticides, antibiotics, and hormones. Organic production is designed to support the health of soil, ecosystems, and people. Organic farmers use methods such as crop rotation, green manure, and composting to maintain soil fertility, control pests, and reduce pollution. Organic food is produced without the use of chemical fertilizers, pesticides, or other synthetic inputs. Organic food is generally higher in nutrients and lower in contaminants than conventionally-grown food.

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Answer:

The answer is A

Explanation:

The reactivity of an element is based on the electrons in its outer shell

To buffer a solution with a pH of 3, you would need to add a base to neutralize it.

A buffer solution is one that resists changes in pH when small amounts of acid or base are added. To buffer a solution with a pH of 3, you would need to add a base such as sodium hydroxide (NaOH) or potassium hydroxide (KOH). The amount of base added will depend on the amount of acid present in the solution.

As a general rule, for every mole of acid, you should add about 0.5 mole of base. Adding too much base will result in the solution having a pH higher than 7, which is not desirable. Therefore, it is important to carefully monitor the amount of base added to ensure the pH remains neutral.

Once the desired pH is achieved, the solution should be thoroughly mixed and tested to ensure the pH is stable.

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Answer:

Wax

Explanation:

Hydrophobic materials don't desolve in water, wax is a waterproof material and won't desolve causing it to be a hydrophobic material.

Wax is a hydrophobic material as it doesn't dissolve in water. Literally, "the fear of water" is "hydrophobic." Water is repelled by hydrophobic molecules and surfaces.

Oil and other hydrophobic liquids will separate from water. The atoms that make up hydrophobic compounds are often nonpolar, which means they don't generate a static electric field. These opposing areas of electrical energy attract water molecules in polar molecules. Water cannot form hydrogen bonds with molecules unless the molecules have opposing electrical charges. The nonpolar molecules congregate as a result of the water molecules forming more hydrogen bonds with one another. The clustering of nonpolar molecules produces the hydrophobic effect. Large macromolecules may have hydrophobic regions that cause the molecules to fold together and move away from water.

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It can take hundreds of years for a plastic bag to decompose.

Plastic bags are made from synthetic polymers, which are materials that do not biodegrade easily. In the environment, plastic bags can break down into smaller and smaller pieces, but they never completely disappear. In ideal conditions, a plastic bag can take anywhere from 10 to 1000 years to decompose, but the exact amount of time depends on a number of factors such as the type of plastic, exposure to sunlight and heat, and presence of other decomposers like bacteria and fungi.

Because plastic bags do not decompose quickly, they can persist in the environment for a long time and cause problems for wildlife, ecosystems, and human health. For this reason, many communities have implemented plastic bag reduction and recycling programs to help reduce their impact on the environment.

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The atom with the highest occupied energy sublevel and one electron is (B) calcium (Ca).

As a metal with the electron configuration [Ar] 4s1, calcium has one electron in the 4s orbital, the energy sublevel with the highest occupancy. The 4s orbital, which is at the highest energy level, has a capacity of two electrons. One electron occupies the 4s orbital in the case of calcium, making it the element with the fewest electrons in the highest occupied energy sublevel.

The outermost electron configuration of gallium, which belongs to group thirteen, is ns2 np1. The circumstance required by the question is the highest occupied sub-level, np1, which has just one electron.

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Consider atoms of the following elements. Assume that the atoms are in the ground state. The atom that contains only one electron in the highest occupied energy sublevel

(A) S

(B) Ca

(C) Ga

(D) Sb

(E) Br2.

Fatty acids and glycerol are referred to as the monomers of lipids.

What does a lipid molecule look like?

Triacylglycerols, often known as triglycerides (TGs), are naturally occurring lipid molecules in our bodies that are composed of one glycerol molecule connected to three molecules of fatty acids (saturated/unsaturated or both) via ester bonds.

Where are the lipid monomers?

Monomer units theoretically do not exist in lipids. They are neither macromolecules nor polymers. Lipids will differ in their structural makeup. For instance, triglycerides are composed of one glycerol molecule and three tails of fatty acids.

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The compound which will have the highest boiling point is the correct option is C. CH₂H₅OH.

The one compound which contains the higher attraction of the intermolecular forces will have the higher boiling point. The  greater the attraction, The more energy will be required to break the bonds and therefore, the higher will be the boiling point.

The methanol and the ethanol contains the hydrogen bonding . The ethanol contains the more number of the carbon atom as  compared to the methanol.

Thus, CH₂H₅OH that is ethanol have the highest boiling point.

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There is no formation of shmoos , If the hypothesis that says "Fus3 kinase is required for the signal transduction pathway leading shmoo formation" is correct, then a strain with a deletion Fus3, is not going to render Fus3 kinase, at least active.  

By this reason, there will not be shmoo formation The Fus3 strain should not generate shmoos, and the cells' walls should not contain a red zone.

A protein kinase is an enzyme that transfers a phosphate group from ATP to a protein, activating it (often a second type of protein kinase).

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The pKa of a weak acid that is 33% dissociated at pH 5.0 is approximately 4.83.

A weak acid is defined as an acid that only partially dissociates in water to produce ions. The extent to which a weak acid dissociates is dependent on its acid dissociation constant (Ka) and the pH of the solution.

The pH of a solution is a measure of its hydrogen ion (H+) concentration, with lower pH values indicating higher H+ concentrations and vice versa.

The pKa of a weak acid is defined as the pH at which the concentration of the dissociated form of the acid is equal to the concentration of the undissociated form.

At the pKa of a weak acid, the concentration of the dissociated form and the undissociated form are equal, meaning that 50% of the weak acid has dissociated into ions. If we know the extent of dissociation at a particular pH, we can calculate the pKa using the equation:

pKa = -log10(Ka) = -log10([H+]/[HA])

where [H+] is the hydrogen ion concentration, [HA] is the concentration of the undissociated form of the acid, and Ka is the acid dissociation constant.

In this case, the weak acid is 33% dissociated at pH 5.0, meaning that [H+]/[HA] = 0.33. We can use this information to calculate the pKa:

pKa = -log10(0.33) = log10(1/0.33)

pKa = 0.52 + log10(3)

pKa = 0.52 + 0.48

pKa = 1.0

So, the pKa for the weak acid is approximately 4.83.

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The number of grams of carbon in vinyl chloride (C2H3Cl) can be calculated using its chemical formula. It contains 2 atoms of carbon, so the mass of carbon in vinyl chloride is 2 x 12.01 g/mol = 24.02 g/mol.

Vinyl chloride (C2H3Cl) is a synthetic chemical compound used in a variety of industrial and commercial applications. The number of grams of carbon in this compound can be calculated using its chemical formula. The formula shows that it contains 2 atoms of carbon, which can be multiplied by the atomic mass of carbon (12.01 g/mol) to obtain the total mass of carbon in vinyl chloride.

The calculation gives us 2 x 12.01 g/mol = 24.02 g/mol of carbon. This information can be useful in various fields, such as chemical engineering, where the composition of compounds is critical in determining their properties and applications.

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The substances that are compound are the correct option is  : iii. water iv. sodium chloride.

The compounds are the substance formed by combining the two or more chemical elements together. The compounds are the substances that is homogeneous in the mixture. The bonding in the substances that are compound is the covalent bonding or the ionic bonding.

The water is compound and the bonding present in the water is type of covalent bonding. The sodium chloride, NaCl is also a compound and the type of bonding present is the ionic bonding.

Thus, the sodium chloride and the water are the compounds.

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