.Draw the product formed when
C6H5N2+Cl−
reacts with each compound

Answer: 62.4g according to a quizlet

Explanation:

There are 1.2 moles of KBr found in 3 Liters of 0.4 M solution.

The number of moles of a substance can be calculated by multiplying the molarity by the volume.

No. of moles = Molarity × volume

According to this question, 3L of a KBr solution are contained in a 0.4M.

no. of moles = 3L × 0.4M = 1.2moles

Therefore, there are 1.2 moles of KBr found in 3 Liters of 0.4 M solution.

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As her drink got warmer, she noticed that there were fewer bubbles in it because as temperature increases, pressure also increases and vice versa.

Using a derivative of the combined gas law we can explain that is happening in both the cases.

Assuming that volume is constant which is predicated on the bottle shape and structure, pressure of a given mass of gas varies directly with  absolute temperature.

As temperature increases, pressure also increases and vice versa. The bottle at a higher temperature has a higher pressure of gas and the bottle at lesser temperature has a reduced pressure inside.

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A line graph can show information about two or more data sets and is useful to compare them. In this example, you can compare the change in the heart rate of the two boys. You will find the graph in the attached files.

As the statement says, the line graphs can be used to compare results.

It is basically a chart showing a line connecting many data points.

It must contain two axes

→ Y ax ⇒ Dependent variable ⇒ In this example, it is the heart rate values

→ X ax ⇒ Independent variable ⇒ In this example, it is the number of times the measurements were taken.

So in this example, data about the change in heart rate was taken from two boys, John and Thabo.

Note about the data table: Since I do not know which value belongs to each boy, I drow a new table. You should use the data of your table to make a new graph.

When making the graph, you will see the difference between the boys and how the heart rate fluctuated as measurements were taken.

You can make conclusions about your results that are easier to see in the graph.

For instance, according to the attached graph, we could say that,

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Answer:

.biology and maybe physics

Answer:

Biologist

ExplanationBiologist Unlike the above type of scientist, geoscientists’ work involves exploring the earth and its internal environment. They study the composition, structure, and processes of the earth by being indoors and outdoors. They contribute to the discovery of mines, petroleum deposits, minerals, and other aspects of the earth.

Answer:

22

Explanation:

22

False, Asbestos is a naturally occurring mineral fiber that was commonly used in various industries due to its heat resistance, strength, and insulating properties.

Asbestos does not necessarily need to be removed if it will not be disturbed or pose a risk to human health. Asbestos-containing materials that are in good condition and undisturbed are generally considered safe. However, if asbestos-containing materials are damaged, deteriorating, or will be disturbed during renovation or demolition activities, it is necessary to take appropriate precautions, which may include professional removal or encapsulation, to prevent the release of asbestos fibers into the air. The decision to remove asbestos should be based on an assessment of its condition, potential for disturbance, and adherence to local regulations and guidelines.

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The value of the ΔH for the reaction is obtained as 1278 kJ .

We have to note that the enthalpy change of the reaction has to do with the heat that ahs been evolved or absorbed in a reaction. In this case we have to obtain the enthalpy change by looking at the combustion reaction that has been shown here.

It is clear that from the thermochemical reaction equation, there is the evolution of about 1278 kJ of heat in the process of the reaction as shown in the question that we have above.

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In this example, the exam, Carlos concerns, and his behavior may be seen as an example of eustress.

Stress is a normal physiological and psychological reaction that people have in response to their surroundings. Eustress refers to positive, motivating stress that improves functioning, whereas distress refers to negative, overwhelming stress that impairs functioning.

Eustress refers to positive stress, which can be psychological, physical, or biochemical/radiological. Endocrinologist Hans Selye coined the term, which combines the Greek prefix eu-, which means "good," and stress, which literally means "good stress." Eustress refers to beneficial stress, which can be psychological, physical, or biochemical/radiological in nature.

Since Carlos has a comprehensive final exam in three weeks that he is concerned about and this made him to go ahead and start studying, this is eustress.

Exhilarating rides, competition, and a good scary movie are all examples of Eustress.

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Complete question

Carlos has a comprehensive final exam in three weeks that he is concerned about. His concerns prompt him to go ahead and start studying and in doing so, he feels less worried as the exam approaches. In this example, the exam, Carlos concerns, and his behavior may be seen as an example of ?

The amount of heat gained by the water is 500 calories. Thus, option D is correct.

Given:

Mass of water (m) = 100 g

Change in temperature (ΔT) = 30°C - 25°C = 5°C

The specific heat capacity of water (c) is approximately 1 calorie/gram°C.

Now, the amount of heat gained by the water,

Q = mcΔT

Where:

Q is the heat gained or lost by the substance

m is the mass of the substance

c is the specific heat capacity of the substance

ΔT is the change in temperature

Plugging in the values into the formula:

Q = 100 × 1 × 5

Q = 500 calories

Therefore, the amount of heat gained by the water is 500 calories.

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Answer:

CH³–C=CH——CH³–CH=CH²

Explanation:

THIS IS PROPYNE TO PROPENE

I would agree with Student 2 in this debate.

While it is true that graphite (C) does not contain oxygen and therefore does not fit the traditional definition of a carbonate, the presence of carbon in its chemical formula does not automatically categorize it as a carbonate. The classification of minerals is determined by their chemical composition and crystal structure, among other factors.

Graphite is actually a form of pure carbon arranged in a specific crystal lattice structure, distinct from carbonates which typically contain carbon, oxygen, and other elements like calcium or magnesium. Hence, the presence of carbon alone does not make a mineral a carbonate, and Student 2's argument is more accurate in this context.

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Answer:

Compounds change properties when the number of atoms changes

The statement best explains the compound H₂O is not toxic to drink, but H₂O₂ is toxic to drink is compounds change properties when the number of atoms changes. The correct option is C.

H₂O is the chemical formula of water. It is made up of joining hydrogen and oxygen. Water is an essential compound of life. It is present in three forms on the earth.

H₂O₂ is the chemical formula of hydrogen peroxide. It is more viscous than water, and it is used as an antiseptic and used in cleaning cut areas and wounds.

When the atoms are more added to a compound. It changes its property because it becomes a new and different compound. Water and hydrogen peroxide are different compounds.

Thus, the correct option is C. compounds change properties when the number of atoms changes.

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Answer:

use of batteries

Explanation:

while im not 100% on this, I know the energy transferred between objects is heat and all three of the other answers cause heat or movement of objects and batteries do not.

Energy can be transformed from one form to the other and can tranfered from one medium to the other. All the given are ways through which energy is transferred except the movement of objects.

Energy can  neither be created nor be destroyed. Thus total energy of a system will be conserved. However, energy can be transformed from one form to the other.

For example in batteries the chemical energy is converted into electrical energy where, the energy is transferred to different electrical components.

Similarly, the electrical energy is converting to mechanical energy and we make the devices working. When an object stays at rest the energy stored in it is called potential energy.

The energy generated by virtue of motion of a body is called kinetic energy. Therefore, movement of an object results in the transformation of potential energy into kinetic energy. But here the energy is not transferred to any other thing.

Movement of heat is the transfer of thermal energy.Movement of waves is the transfer of energy. Thus option C is correct.

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The question presents a table with many multiplications using different units (mass and velocity) and requires us to decide whether the operations presented are possible.

To solve this question, we should keep in mind this general rule: for units reffering to the same measurement (for example: mass, volume, distance etc.), we are able to multiply the units as long as they are the same. For example: g x g, L x L, m x m. If units are about the same measurement but still different, we should convert one of them in order to make them the same.

On the other hand, when we are talking about division, if we have the same unit on the operator and denominator position, we will have a result as "1" - then we need to analyze the entire value.

Now, considering the operations presented in the question:

On the first one, we have kg multiplied by kg. Although it isn't usual to see square kg (kg^2), we are able to make this operation:

On the second line, we have square g multiplied by kg. In this case, since the first unit is square, we can assume they are not about the same measurement. Thus, we can't complete this operation.

On the third line, there is a division and we should proceed as a normal operation (although the unit km/s isn't usual):

In summary, the answers should be:

1) Is it possible? YES / Result = 45 kg^2

2) Is it possible? NO

3) Is it possible? YES / Result = 0.8 km/s

In the energy expression for hydrogen-like atoms, Z is equal to the atomic number of the element.

A hydrogen-like atom is an atom that has only one electron orbiting around the nucleus, similar to hydrogen. In this case, the energy expression for hydrogen-like atoms can be written as:

Energy = -13.6 * (Z^2) / (n^2) eV

Here, Z is the atomic number, which represents the number of protons in the nucleus, and n is the principal quantum number of the electron's orbital. This equation helps determine the energy levels of hydrogen-like atoms.

The lowest energy state for a hydrogen atom with atomic number one (Z=1) is E=13.6eV. Since all of these atoms have one electron, any element with an atomic number greater than hydrogen will become ionised. Lithium, Z=2, will have two electrons removed Li2+, and so on. Helium, Z=1, will have one electron removed, leaving He+.

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Answer:

nope homogeneous

Explanation:

hope this helps :)

Answer:

SOLUTIONS are homogeneous mixtures. A solution is a mixture of two or more substances in a single phase.

the process is a key step in regulating gene expression in bacteria.

Rho-dependent termination is a process that occurs in bacterial transcription, where the termination of RNA synthesis is __dependent__ on the activity of the __bacterial__ protein Rho.

During transcription, RNA polymerase moves along the DNA template, creating a single-stranded RNA molecule. As the RNA polymerase encounters a termination sequence, it pauses and waits for the release factor to bind. However, in rho-dependent termination, the release factor cannot bind until the Rho protein interacts with the RNA polymerase. The Rho protein moves along the RNA strand and when it reaches the RNA polymerase,

it causes the polymerase to pause and release the newly synthesized RNA molecule. This process is a key step in regulating gene expression in bacteria.

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Answer:

they both revolve or rotate around something

Explanation:

The earth revolves around the sun and the moon rotates around the earth.

O-linked oligosaccharides are commonly attached to the —oh group of amino acids.

Glycosylation is a post-translational modification of proteins in which glyco-linked oligosaccharides are added to proteins. This process is found in eukaryotes, primarily in the endoplasmic reticulum and Golgi apparatus, and involves the enzymatic attachment of sugar units to specific sites on a protein molecule.

These short chains of saccharide sugar residues, called glycosyl sidechains, are examples of glycoconjugates which are covalently attached to hydroxyl groups on the protein.

The most common types of glycosylation sites are the N-linked glycosylation sites, which have an attached sugar group, often an N-acetylglucosamine or N-acetylmannosamine connected to an asparagine sidechain, and the O-linked glycosylation sites, which have a sugar group, usually a galactose or mannose sugar, attached to a hydroxyl group on serine, threonine or hydroxylysine residues.

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Answer:

A physical change is where something looks different but still has the same particles, like a change in state or size. Hope this helps!

Explanation:

Answer:

Physical change is the change of substance that only affects the physical appearance, for example, color (sometimes change in color is a chemical change). Physical change is not a chemical change.

The symbol for potassium is K, not P. The symbols for the other elements listed are correct: calcium is Ca, manganese is Mn, gold is Au, and chromium is Cr. The correct answer is C) potassium, P.

Chemical elements are typically represented by a symbol, which is a one or two-letter abbreviation used to identify the element in the periodic table, chemical equations, and other contexts. These symbols are usually derived from the name of the element, often in Latin or Greek.

In this question, all of the answer choices are names of chemical elements except for option C, which lists "potassium, P". Potassium is indeed an element, but its symbol is K, not P. Therefore, option C is the incorrect name, symbol combination.

To clarify the other options, calcium is represented by the symbol Ca, manganese by Mn, gold by Au, and chromium by Cr, and those symbol-element pairs are all correct.

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The proposed solution, which has 10.0 grams of glucose in 100 gram of water, has a freezing point of 1.034 C.

The degree of heat in which a liquid becomes solid. precisely the temperatures at which a material's solid and liquid states are balanced at atmospheric pressure.

If a substance is kept below its freezing point, it may either become more or less dangerous. The freezing point additionally offers an essential safety standard for evaluating the impacts of occupational exposure to cold conditions.

m = molality

i = van 'toff factor,

molality = n/w*t of solvent

n = w*t of Glucose/M* w t

= 10/180*1/0.1

=0.555 w* t

= 1.86*0.555*1

= 1.034

T (solvent) - d= 0-1.034

freezing point = -1.034C

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Answer:

atomic mass= 33

Charge= -2

Explanation:

In an atom, are contained three SUBATOMIC particles viz: proton and neutron found in the nucleus, electrons surrounding the nucleus. Protons contain the positive charge of an atom while electrons contain the negative charge of an atom. The number of protons and electrons in an atom determines the charge of an ion (charged atom). Also, the atomic mass or mass number of that atom is got by adding the number of protons + number of neutrons.

In this case where the number of protons and number of neutrons are 16 and 17 respectively, the mass no. or atomic mass is 17 + 16 = 33.

Also, since two electrons are gained by this atom, it means the electron numbe, which is normally equal to the proton number in a neutral atom, will be increased by 2. Hence, the electron number will be 18 in this case.

The charge of the atom= no. of protons - no. of electrons = 16 - 18 = -2.

The gravity force on an object from the Earth is the same regardless of whether the object is surrounded by air .

the Earth has an average gravitational force. Different locations on Earth have gravitational forces that are larger or smaller than average. This is because each location has more or less mass than the average

An ionic equation for the displacement reaction between copper ions and iron: Cu²⁺(aq) + Fe(s) → Cu(s) + Fe²⁺(aq)

In this chemical reaction, there is a transfer of electrons from iron (Fe) to copper (Cu).

Iron change oxidation number from 0 to +2 (loose electrons) and copper change oxidation number from +2 to 0 (gain electrons).

Oxidation half reaction: Fe⁰ → Fe²⁺ + 2e⁻.

Reduction half reaction: Cu²⁺ + 2e⁻ → Cu⁰.

Oxidation is increase of oxidation number.

Reduction is lowering oxidation number because atom gain electrons.

(aq) is an aqueous solution.

(s) is a solid, insoluble in the water.

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The reaction of chlorobenzene is

\(C_6H_6 + HNO_2 + HCl-- > C_6H_5N_2Cl + H_2O\\C_6H_5N_2Cl + CuCl + HCl-- > C_6H_5Cl + CuCl_2 + N_2\)

The transformation of benzene to chlorobenzene through a diazonium intermediate involves the following steps:

Step 1: Diazotization

Benzene is first converted to a diazonium salt using nitrous acid and hydrochloric acid (HCl) at low temperatures.

\(C_6H_6 + HNO_2 + HCl-- > C_6H_5N_2Cl + H_2O\)

Step 2: Replacement of Diazonium group with Chlorine

The diazonium salt is then treated with cuprous chloride (CuCl) in the presence of hydrochloric acid (HCl) to replace the diazonium group with a chlorine atom to form chlorobenzene.

\(C_6H_5N_2Cl + CuCl + HCl-- > C_6H_5Cl + CuCl_2 + N_2\)

The overall reaction is:

\(C_6H_6 + HNO_2 + HCl-- > C_6H_5N_2Cl + H_2O\\C_6H_5N_2Cl + CuCl + HCl-- > C_6H_5Cl + CuCl_2 + N_2\)

The final product is chlorobenzene, which is formed by the replacement of the diazonium group with a chlorine atom.

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Answer: solvent

called a solvent to form a solution.

Explanation:

have great day

Answer:

19

Explanation:

10 + 9 protons plus neutrons