which of the following describes an unsymmetrical addition reaction? group of answer choices propyne with 2 moles cl2 in ccl4 propyne with 1 mole h2, ni and heat propyne with na/nh3 propyne with 1 mole hbr propyne with 1 mole br2 in ccl4

We will obtain the product 4-(methylamino)butanoic acid

What is industrial process?

Heavy industry comprises a sizable portion of industrial operations. They include manufacturing-related chemical, physical, electrical, and mechanical processes. Most often, it is employed in large-scale industrial initiatives. Companies use a variety of industrial processes to create or shape a product.

The idea behind the reaction between mathrmN and N-methyl-2-pyrrolidone serves as the foundation for this issue. An chemical molecule called N-methyl-2-pyrrolidone has a lactam with five members. NMP is the abbreviation for it. It is a useful substance that is employed in the recovery of hydrocarbons produced during the manufacturing of petrochemicals.

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Answer:This is only because all the ions or lets say compounds

Explanation:

The Rf values of ions on the same chromatogram are not identical because the different ions have different solubility in the particular mobile phase.

Rf value is a ratio of distance traveled by the solute divided by the distance traveled  by the solvent. The Rf value does not have any units . Rf value is always less than one.

It indicates how soluble a substance is in a particular solvent.Small Rf values indicate larger substances while those with high Rf values indicate smaller substances.

Out of the large number of ions available in the sample solution ,some are highly soluble in the mobile phase and  travel large distances while those which are less soluble adhere to the stationary phase and do not travel large distances.

Rf values are affected by thickness of layer of stationary phase, moisture,temperature and nature of solvent.

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Fatty acid groups are referred to as B) acyl groups.

Fatty acids are organic compounds that consist of a long hydrocarbon chain with a carboxyl group (-COOH) at one end. The hydrocarbon chain is composed of carbon and hydrogen atoms, and its length can vary. Fatty acids play essential roles in various biological processes and are major components of lipids, including triglycerides and phospholipids.

When a fatty acid is involved in chemical reactions or is attached to other molecules, it typically undergoes a process called activation, where it is converted into an acyl group. An acyl group is formed by replacing the -OH (hydroxyl) group of the carboxyl group with an -OR (alkoxy) group. The -OR group can be derived from various molecules, such as coenzyme A (CoA) or other acyl carrier proteins.

For example, when a fatty acid is activated for incorporation into a triglyceride molecule, it forms a triglyceride acyl group. Similarly, when a fatty acid is incorporated into a phospholipid molecule, it forms a phospholipid acyl group. The acyl group represents the hydrocarbon chain of the fatty acid, which may vary in length and saturation.

Therefore, the correct answer to the question is B) Acyl.

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Answer:

Assuming the mass of Na2SO4.10H2O obtained from the crystallization was: 8.5g

The % yield is 94.3%

Explanation:

Assuming the mass of Na2SO4.10H2O was:

Based on the reaction:

2NaOH + H2SO4 + 8H2O →Na2SO4.10H2O

Where 2 moles of NaOH reacts producing 1 mole of Na2SO4.10H2O

To solve this question we need to find the moles of NaOH added. With the moles and the reaction we can find the moles of Na2SO4.10H2O and its actual theoretical yield. Assuming the mass of Na2SO4.10H2O produced was: 8.5g

we can find the percent yield as follows:

Moles NaOH:

25.0cm³ = 0.0250dm³ * (2.24mol/dm³) = 0.056 moles NaOH

Moles Na2SO4.10H2O:

0.056 moles NaOH * (1mol Na2SO4.10H2O / 2mol NaOH) = 0.028 moles Na2SO4.10H2O

Mass Na2SO4.10H2O:

0.028 moles Na2SO4.10H2O * (322g / mol) = 9.016g Na2SO4.10H2O = Theoretical yield

Percent yield is 100 times the ratio between actual yield:

8.5g / 9.016g * 100 = 94.3%

Answer:

WHere is the directions?

Explanation:

Answer:

how surface area and volume effect how fast weathering occurs

Explanation:

Answer:

d would be both liquids and gasses

Explanation:

Answer:

A. Gases

B. Solids

C. Gases

D. liquids and solids

So basically all ur answers are right except D

Explanation:

Brainlist?

Answer:

rate = 0.72 M/s

Explanation:

Given data:

Rate equation = K[A]³[B]²

Concentration of A = 2M

Concentration of B = 3M

K = 0.01

Solution:

Substituting values,

rate = 0.01M⁻⁴s⁻¹ ×[2M]³ ×[3M]²

rate = 0.72 M/s

The coefficient in a chemical formula represents the amount of each chemical present. The amount of a substance is measured in moles.

The average daily output of sulfur dioxide (SO2) is approximately 12,118.56 kg.

The average daily output of sulfur dioxide (SO2) assuming that 5% of the sulfur content of the coal ends up in the ash (i.e. 5% of S is unreacted) and the rest is released in the stack gas can be calculated as follows: Given, Quantity of coal burned each day at the Iowa State University Power Plant = 250,000 kg Average sulfur content of the coal = 2.55%5% of the sulfur content ends up in the ash, and the rest is released in the stack gas. Hence, the percentage of sulfur that goes into the stack gas is 100% - 5% = 95%. Therefore, the daily amount of sulfur burned in coal = 250,000 kg x 2.55% = 6,375 kg, Amount of sulfur that goes into the ash = 5% x 6,375 kg = 318.75 kg, Amount of sulfur that goes into the stack gas = 95% x 6,375 kg = 6,056.25 kgThe molecular mass of SO2 = 64 g/mol. Hence, the molar mass of S = 32 g/mol.

The daily amount of sulfur dioxide produced from sulfur burned in the coal is equal to the amount of sulfur burned in the coal multiplied by the molar mass of sulfur dioxide i.e., 6,056.25 kg / 32 g/mol = 189,265 mol. The number of moles of sulfur dioxide can be converted to mass by multiplying it with the molar mass of sulfur dioxide i.e., 189,265 mol x 64 g/mol = 12,118,560 g = 12,118.56 kgTherefore, the average daily output of sulfur dioxide (SO2) is approximately 12,118.56 kg. When coal is burned, it emits various gases such as sulfur dioxide, nitrogen oxides, and carbon dioxide. Sulfur dioxide (SO2) is a gas that causes acid rain, which is detrimental to human health, plants, and animals, as well as buildings and monuments.

The average daily output of sulfur dioxide (SO2) is calculated to be approximately 12,118.56 kg. It is due to the 250,000 kg of coal that is burned every day at the Iowa State University Power Plant, which is a mixture of Kentucky, Illinois, and Colorado coal, with an average sulfur content of 2.55%. In addition, it is assumed that 5% of the sulfur content of the coal ends up in the ash, and the rest is released into the stack gas. As a result, 95% of sulfur in coal, i.e. 6,056.25 kg, is released into the stack gas, and 5% of sulfur in coal, i.e. 318.75 kg, ends up in the ash. Therefore, the average daily output of sulfur dioxide (SO2) is approximately 12,118.56 kg.

The burning of coal leads to the emission of various gases, including sulfur dioxide (SO2), which has detrimental effects on the environment, human health, and animals. The average daily output of sulfur dioxide (SO2) is determined based on the quantity of coal burned every day at the Iowa State University Power Plant, which is a mixture of Kentucky, Illinois, and Colorado coal with an average sulfur content of 2.55%, and the assumption that 5% of the sulfur content of the coal ends up in the ash, and the rest is released into the stack gas. The amount of sulfur dioxide produced as a result of burning coal can be reduced by employing methods such as coal washing and flue-gas desulfurization, which capture sulfur dioxide before it is released into the atmosphere.

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Answer:

proteins

Explanation:

amino acids are the monomers that make up proteins. amino acids bond together to form dipeptides, polypeptide chains, and eventually proteins.

Document properties are user-defined details about a file that describe its content and origin.

They are also called metadata because they are data that describe other data for structure and organization. These details commonly refer to the title, the author or editor's name, the subject, and those keywords that give identity to the document's content.

There are four types of Document Properties, and with the help of Microsoft, we can list them:

-     Standard properties: refer to details such as author, title, and subject

-     Automatically updated properties: these are defined automatically and refer to file system properties, including the file size and dates of creation or modification. Also, involve statistics properties such as the number of characters or words in a file.

-     Custom properties: are additional details that the user can define, like the numeric value o text time.

-     Document library properties: indicate the properties of the document in a public website or folder

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In the MPV (Mukaiyama-Prins-Vogel) reaction, aluminum serves as a Lewis acid catalyst that coordinates with the carbonyl group of the substrate and activates it towards nucleophilic attack by the alcohol or other nucleophile.

This coordination of the carbonyl group to aluminum enhances the electrophilicity of the carbonyl carbon and promotes the formation of the C-O bond in the product. Aluminum also helps to stabilize the intermediate species formed during the reaction and facilitates the final product formation.

As for the formal charges on the central atoms in the reducing agents, it depends on the specific reducing agent being used. For example, in the presence of a boron-based reducing agent such as borane, the central boron atom has a formal charge of +1, while the hydrogen atoms attached to it have a formal charge of 0. Similarly, in the presence of a metal hydride reducing agent such as lithium aluminum hydride, the central metal atom has a formal charge of 0, while the hydrogen atoms attached to it have a formal charge of -1.

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Answer:

No.

Explanation:

No, convection does not occur if Earth's mantle were a box 30 km on a side because convection needs medium for the movement of heat energy from one place to another. Convection and conduction are two processes which needs medium for its movement while radiation does not need any medium for its movement. If there is a empty space present between two substances so convection does not occur.

\(\huge\boxed{Option A}\)

As the option says, the kinetic energy will decrease.  the volume decreases because  the molecules are slower and collide less. Less molecules make the effective collisions due to which the kinetic energy of molecules is less, so less kinetic energy results in the shrinkage. So decrease in temperature lowers the rate of the reaction and in the volume.

2.40 ×10²⁴ molecules are there in 4.00 moles of glucose, C₆H₁₂O₆. A molecule is a collection of at least two atoms.

According on the context, the word can or cannot encompass ions that meet this requirement. A molecule is a collection of at least two atoms bound together by the attractive forces called as chemical bonds.

When speaking of polyatomic ions, the difference between them and ions is frequently ignored in the fields of quantum theory, organic chemistry, especially biochemistry.

number of molecule = number of moles ×  6.022×10²³

                                  = 4×  6.022×10²³

                                 = 2.40 ×10²⁴ molecules

Therefore, 2.40 ×10²⁴ molecules are there in 4.00 moles of glucose, C₆H₁₂O₆.

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Answer:

Map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground.

Explanation:

For example, on a 1:100000 scale map, 1cm on the map equals 1km on the ground.

Answer:

ithink it is 9.0

Explanation:

Answer:

1.a

2.c

hope helps

Explanation:

mark

pa

Answer:

Positive

Explanation:

Answer:

mass cannot be created nor destroyed just moved around

Explanation:

The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity can neither be added nor be removed so it can only be moved around during a chemical reaction

Answer:

Enlace covalente.

Explanation:

El enlace covalente es un tipo de enlace caracterizado porque los dos átomos a unirse poseen propiedades electronegativas semejantes o incluso idénticas. El enlace covalente supone que ambos átomos (o más, si la molécula la forman más de dos átomos) comparten entre sí los electrones, sin perder ni ganar en cantidad

If the sample of magnesium used in a lab was contaminated with another metal that doesn't react with hydrochloric acid, then the results obtained in the experiment would be affected.

This is because the data collected during the experiment would reflect the reaction between hydrochloric acid and the contaminated sample instead of pure magnesium. As a result, the following changes in results might have been observed:

1. The mass of the contaminated sample would be higher than the mass of pure magnesium.

2. The rate of reaction between the contaminated sample and hydrochloric acid would be slower than the reaction between pure magnesium and hydrochloric acid.

3. The volume of hydrogen gas collected from the reaction would be lower than the volume of hydrogen gas collected in the reaction between pure magnesium and hydrochloric acid.

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Answer:

To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].

Explanation:

Answer:

I think its might be 1 because the ionic numbers for CA is +2 and for P its +3

The answer is 9.94 ml.

Given,

        The density of ethanol, C2H5OH = 0.789 g/mL

\(n (CO_{2} ) = \frac{m}{M} = \frac{15G}{44 g/mol} } = 0.341 mol;\)

\(n ( C_{2} H_{2} OH) = \frac{n (CO_{2}) }{2} = \frac{0.341}{2} = 0.1705 mol;\)

\(m (C_{2} H_{2} OH) = 0.1705 mol * 46 g/ mol\) = 7.843 g

\(V (C_{2} H_{2} OH ) = \frac{7.843}{0.789} = 9.94 ml.\)

Therefore, the answer is 9.94 ml

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The complete question is -

If the density of ethanol, C2H5OH, is 0.789 g/mL. How many milliliters of ethanol are needed to produce 15.0 g of CO2 according to the following chemical equation?

C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l)

Answer:

B) attract a bonding pair of electron's toward itself

Explanation:

I had this question and the correct answer'(s) were A and B

Answer:

stability and completely filled orbitals

Explanation:

As it pertains to valence electrons, "8 is great" means the valence electrons present in the orbital confers stability on the atom as the shell becomes completely filled.

Answer:

A compound has unique properties that are distinct from the properties of its elemental constituents. One familiar chemical compound is water, a liquid that is nonflammable and does not support combustion. It is composed of two elements: hydrogen, an extremely flammable gas, and oxygen, a gas that supports combustion.

Explanation: