What is one common reaction to all hydrocarbons?

The overall charge and the charge on the two functional groups (B) The side groups will be -COOH and -NH₃⁺. Overall, the charge will be positive.

At pH 1, the amino acid Serine exists in its protonated form due to the highly acidic conditions. The carboxyl group (-COOH) of Serine will be fully protonated, resulting in a positively charged -COOH²⁺ group.

Similarly, the amino group (-NH₂) will also be protonated, forming a positively charged -NH₃⁺ group. The overall charge of Serine at pH 1 will be positive because both functional groups are positively charged.

It is important to note that the pKa values of the carboxyl and amino groups of Serine are around 2.2 and 9.2, respectively. At pH 1, both groups are fully protonated and carry a positive charge. The isoelectric point (pI) of Serine, which represents a neutral charge, occurs at a pH of approximately 5.68.

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Complete question :

A solution of the amino acid Serine is at pH 1. What will be the overall charge and the charge on the two functional groups? Serine has a pl of 5.68

A) The side groups will be -COO and -NH.. Overall the charge will be neutral.

B) The side groups will be -COOH and -NH₃⁺. Overall the charge will be positive.

C)The side groups will be -COOH and -NH₂. Overall the charge will be neutral.

D) The side groups will be -COO and -NH. Overall the charge will be negative.

E) The side groups will be -COOH, and -NH:. Overall the charge will be positive.

answer

higher

steps

Higher concentration, faster reaction.

The higher the concentration of a solution, the faster the rate of reaction.

Higher concentration means more particles per unit volume of solution.

More particles lead to more frequent collisions between reactant particles.

An increase in pressure has the same effect on gases.

Higher pressure means more particles per unit volume of gas.

Therefore, a higher collision frequency occurs.

Synopsis: The higher the concentration of a solution or pressure of a gas, the more particles per unit volume and higher collision frequency, leading to a faster rate of reaction.

Analogy: Imagine a crowded playground with lots of kids, where the higher the number of kids, the higher the chances of them bumping into each other while playing, leading to more collisions.

Summary: Higher pressure means more particles per unit volume of gas and therefore a higher collision frequency, resulting in a faster rate of reaction.

ChatGPT

Answer:

7.5X1000

scientific notation

Answer:

2 moles

Explanation:

In one mole of sulfuric acid

There is 2 moles of hydrogen

4 moles of oxygen

and 1 mole of sulfur.

The relative velocity of Car A with respect to Car B, ​Vab = 16m/s.

Given,

Va = 10m/s

Vb = 6m/s

Vab = ?

So,

To find Vab of the car A and car B

We know the car A velocity and as both the car the in same direction so to to know average speed or velocity car B velocity taken in negative.

So,

We can put formula,

Vab = Va - (-Vb)

Vab = 10m/s - (-6m/s)

Vab = 16m/s

The velocity of an object when compared to another observer is known as its relative velocity. It is the rate at which one object's relative position changes in relation to another object over time.

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Answer:

nonmetal

Explanation:

correcto answers only

4LiBr + Co(SO₄)₂ ----> 2Li₂SO₄ + CoBr₄ is the balanced equation.

First write the complete equation

LiBr + Co(SO₄)₂ ----> Li₂SO₄ + CoBr₄

Now balance the given equation

LiBr + Co(SO₄)₂ ----> Li₂SO₄ + CoBr₄

Reactant Side Product side

Li= 1 Li = 2

Br = 1 S = 1

Co = 1 Co = 1

S = 2 S = 1

O = 8 O = 4

We can see that there are 8 oxygen atom in yhe Reactant side and 4 in the product side. So multiply by 2 in the product side to balance the Oxygen atoms.

4LiBr + Co(SO₄)₂ ----> 2Li₂SO₄ + CoBr₄

We can see that the given equation is now balanced.

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QUESTION: Write the complete equation and also balanced the equation.

_LiBr + _ Co(SO₄)₂ --> _ + _

Answer: A

Explanation: Beta particles have a charge of -1

The correct chemical formula for diphosphorous pentoxide is P₄O₁₀.

This compound is formed from the reaction of two molecules of phosphorus trioxide (P₂O₃). The prefix "di" indicates that there are two phosphorus atoms, and the suffix "-pentoxide" indicates that there are five oxygen atoms. The formula can also be written as (P₂O₅)₂, which represents the two P₂O₅ units that combine to form the molecule.

Diphosphorous pentoxide is a white, crystalline solid that is used as a dehydrating agent and in the production of phosphoric acid and other phosphorus compounds. It reacts violently with water, producing phosphoric acid and releasing heat, so it must be handled with care.

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Answer:

They are highly lustrous metals which are resistant to corrosion. They are highly malleable and ductile so can be transformed into any shape or design.

Explanation:

A protein can alter shape in response to harsh temperatures and ph changes. It's known as denaturation.

(PROH-teen) a structure composed of amino acids. The body need proteins to operate correctly. They serve as the building blocks for several bodily components, including the skin, hair, and acids, cytokines, and antibodies.

Protein is present in every human cell. The core component of proteins is an amino acid chain. In order for your body to repair damaged cells and create new ones, you need proteins in your diet. Protein is essential for proper growth and development in children, adolescents, and expecting women.

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Answer:

So the number of protons equals the number of electrons.

Explanation:

Ionic bond, also called an electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound. Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom.

Depending on the characteristics of the surfaces and the angle of incidence, light that travels through two surfaces will have its route altered and may reflect, absorb, transmit, or be refracted.

Reflection is one of the most significant wave-like characteristics of light. Our eyes perceive the light that has been reflected. The colors we perceive are also influenced by the way light reflects off objects. Some of the waves will bounce off the surface as it hits a new medium.

Light waves behave similarly throughout the electromagnetic spectrum. Depending on the nature of the item and the light's wavelength, a light wave can be transmitted, reflected, absorbed, refracted, polarised, diffracted, or scattered when it comes into contact with a surface.

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Answer:

1)True

2)False

3)True

4)False

5)True

6)False

7)False

Answer: Alfracon

...............................

The percentage yield of the iron is obtained as 71.4 %.

We know that the stoichiometry of a reaction can help us to be able to find the amount of the substances that have been used in a process. In this case, we have been shown the balanced reaction equation of the reaction in the image that have been attached to the question.

We can see that;

Mass of the iron III oxide = 80 tonnes or 8 * 10^7 g

Mass of iron produced =  40 tonnes of 4 * 10^7 g

Number of moles of iron III oxide reacted = 8 * 10^7 g/160 g/mol

= 5 * 10^5 moles

If 1 mole of iron III oxide produces 2 moles of iron

5 * 10^5 moles of iron III oxide produces;

5 * 10^5 moles * 2 moles/ 1 mole

= 1 * 10^6 moles

Theoretical yield of the iron =   1 * 10^6 moles * 56 g/mol

= 5.6 * 10^7 g

Percent yield = actual yield/Theoretical yield * 100/1

= 4 * 10^7 g/5.6 * 10^7 g * 100/1

= 71.4 %

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Taking into account the direction the meter points will be from left to right, the copper (||) ions are being reduced and Zn is being oxidized in the zinc and copper galvanic cell.

The direction of the flow of elections will be indicated by the direction of the needle, which will move from left to right. At this point, oxidation takes place at the Zn electrode, resulting in the release of e-, whilst the reduction of Cu+2 ion takes place at the Cu electrode, leading to the movement of electrons from left to right.

The correct answer is that the copper (||) ions are being reduced while the zinc ions are being oxidized.

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The principle of option D. Uniformitarianism states that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the

Option D. Uniformitarianism is the principle stating that the physical, chemical, and biological processes at work shaping the Earth today have also operated in the geologic past. It is based on the idea that the present is the key to the past. In other words, the same natural laws that operate in the universe today have been operating since the beginning of time.

James Hutton was the first to propose this principle in the late 18th century. He suggested that the Earth was shaped by slow-acting geological forces such as erosion, sedimentation, and uplift over long periods of time. He believed that the same processes were still happening today and that they had operated in the past.

This principle is an important concept in geology because it allows scientists to interpret the Earth's history based on the processes that they observe today. By understanding how these processes work and how they have changed over time, scientists can reconstruct the history of the Earth and its environments.

Uniformitarianism has been tested and proven through many observations and experiments. For example, the study of sedimentary rocks has shown that they were formed in the past through the same processes that are observed today, such as deposition of sediment by water, wind, or ice.

Similarly, the study of volcanoes has shown that they are formed by the same processes as today, such as the movement of magma from deep within the Earth.

In conclusion, Uniformitarianism is the principle that allows us to interpret the Earth's history by observing the processes that shape it today. It is a fundamental concept in geology and has been tested and proven through many observations and experiments.

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Answer:

Explanation:

Answer:

the blanket let's him slide it across the floor because the has less friction with the floor than the furniture.

Answer:

Blanket underneath the furniture may reduce the kinetic friction

Explanation:

When sliding an object across a surface, the force of kinetic friction will oppose the movement of the object.

By placing a blanket between the object and the surface, the kinetic friction coefficient may be reduced.

Therefore, putting a blanket underneath the furniture may reduce the kinetic friction coefficient, then making it easier to slide the forniture.

(Hi fyi this answer took a lot of time & effort to make sure it was accurate, precise and to the point to be produced, so if you could opt this answer as the brainliest it would mean the world to me,)

Stay positive and Take care,

A fellow mate,

Cheers !

Answer:

Paper chromatography requires less preparation, whereas thin layer chromatography requires more preparation time. The stationary phase of paper chromatography is the water trapped in the cellulose filter paper. The stationary phase of the thin layer chromatography is the glass plates coated with silica gel.

Explanation:

The major organic product obtained from the given reaction sequence is a cyanide-substituted aromatic compound.

The given reaction sequence involves several steps:

1. In the first step, the aromatic compound is treated with a mixture of concentrated nitric acid (HNO3) and sulfuric acid (H2SO4). This is a typical nitration reaction, which introduces a nitro group (-NO2) onto the aromatic ring.

2. In the second step, the resulting nitroaromatic compound is reacted with sodium dichromate (Na2Cr2O7) and concentrated sulfuric acid (H2SO4). This is a chromic acid oxidation, which converts the nitro group (-NO2) into a carbonyl group (C=O) on the aromatic ring.

3. The carbonyl group on the aromatic compound is then reduced using tin (Sn) and hydrochloric acid (HCl). This reduction step converts the carbonyl group (C=O) into a methylene group (CH2) on the aromatic ring.

4. Next, the resulting compound is treated with sodium nitrite (NaNO2) in hydrochloric acid (HCl). This reaction, known as diazotization, converts the amino group (-NH2) into a diazonium salt (Ar-N2+).

5. Lastly, the diazonium salt is reacted with cuprous cyanide (CuCN), which replaces the diazonium group with a cyanide group (-CN) on the aromatic ring, resulting in the formation of the cyanide-substituted aromatic compound.

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The choice matrix for Eleanor's sock selection, considering the terms "randomly choosing" and "choice matrix".

1. True
2. False
3. True
4. True

Statement 1: There is an equal chance of choosing any pair of socks.
True. Since Eleanor is randomly choosing a pair of socks, each pair has an equal chance of being chosen, regardless of its color.

Statement 2: The probability of choosing white socks is greater than choosing black socks.
False. Eleanor has 6 pairs of white socks and 8 pairs of black socks. Since there are fewer white socks, the probability of choosing white socks is lower than choosing black socks.

Statement 3: The probability of choosing gray socks is the highest.
True. Eleanor has 14 pairs of gray socks, which is more than the other colors. Therefore, the probability of choosing gray socks is the highest.

Statement 4: The sum of the probabilities of choosing white, black, and gray socks is 1.
True. Since the probabilities of all possible outcomes should add up to 1, the sum of the probabilities of choosing white, black, and gray socks is 1.
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Answer:

Positive: Save fuel and reduces greenhouse gas

Negative: Harmful to human and animal health ( underwater animals), Hurts the food chain

Explanation:

I got it from a video. Hopefully it helps you.

Answer:

it would be immiscible

Explanation:

They would not mix similar to oil and water

The answer is true

hope this helps :)

0.47 M is the molarity of solution B if 10.00 g of LiCl is dissolved in water to make 1.00 L of "Solution A".

Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per litres of a solution. Molarity is also known as the molar concentration of a solution.

\(Molality = \frac{Moles \;solute}{Solvent \;in \;kg}\)

Moles of  LiCl

\(Moles = \frac{mass}{molar \;mass}\)

\(Moles = \frac{10.00 g}{42.394 g/mol}\)

Moles = 0.2358824362

\(Molality = \frac{0.2358824362}{0.5 L}\)

Molarity = 0.4717648724 M =0.47 M

Hence, 0.47 M is the molarity of solution B.

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Prior to melting, both compounds were solids at first. Both samples were the same mass. The melting point of substance A is the same as that of substance B.

Two pure substance samples are heated continuously, and temperature is measured as a function of time. Melting point is the temperature at which a substance changes state from a solid to a liquid (or, less frequently, liquefaction point). At the melting point, there is an equilibrium between the solid and liquid phases. Chemicals that are produced by the chemical industry can be divided into three groups based on the volume of production: bulk chemicals, fine chemicals, and chemicals found. Prior to melting, both components were solids at first. Both samples were the same mass. The melting point of substance A is the same as that of substance B.

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Answer:

On a periodic table, the columns of elements with similar properties are called groups