Compression is the type of stress that deforms rock at which location ?

Answer:

ΔG = -145kJ/mol

Explanation:

To solve this question we must use the change in Gibbs free energy:

ΔG = ΔH - TΔS

Where ΔG is change in Gibbs free energy = ?

ΔH is enthalpy change = +35kJ/mol

T is absolute temperature = 120.0K

And ΔS is change in entropy = 1.50kJ/molK

Replacing:

ΔG = 35kJ/mol - 120.0K*1.50kJ/molK

ΔG = 35kJ/mol - 180kJ/mol

When delta G value for a particular reaction is negative, then we can say that : there are fewer reactant molecules and then product molecules.

A negative ∆G means that reactants have more free energy than the products. Exergonic reactions are also called spontaneous reactions, as they can occur without addition of energy.

When used in a reaction, delta G is the difference in free energy between  products and reactants. If this value is negative, then the reaction is spontaneous and if it is positive, then the reaction is non-spontaneous. If it is zero, then the reaction is at equilibrium.

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The chemical equation to be reversed to obtain the overall equation has been equation 2, i.e.  and equation 1 i.e. Thus, option A and B are correct.

In the chemical symbolization, the chemical equation is defined as the reaction for the production of products. The production of the consequent reaction has occurred from the inclusion of many stages in the proper sequence.

The chemical equations are shown in the accompanying figure.

The ultimate reaction to be obtained is depicted in the accompanying picture.

Methane and ammonia were the reactants for the production of carbon and hydrogen in the following process.

Methane was on the product side in equation 2, while ammonia was on the product side in equation 1.

So, in order to reach the overall equation, equations 2 and 1 must be inverted. As a result, options A and B are accurate.

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Complete question:

Consider these chemical equations.

N2(g) + 3H2(g) → 2NH3(g)

C(s) + 2H2(g) → CH4(g)

4H2(g) + 2C(s) + N2(g) → 2HCN(g) + 3H2(g)

Which equation(s) do you need to reverse in order to calculate the overall equation for the formation of HCN and H2 from NH3 and CH4?

Answer: A and B

Explanation:

The equation for gravitational potential energy is GPE = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 on Earth), and h is the height above the ground in meters.

So there for larger objects have greater cause an object with greater mass will have more gravitational potential energy than an object with less mass, when the objects are at the same height.

The volume of nitric acid in mL is 458.6 mL.

The specific gravity of a substance can provide information about its purity, concentration, or composition. The use of specific gravity (SG) to calculate volume using the SI system involves knowing the SG and weight of the substance.

The equation used is the same as in previous sections but rearranged to solve for volume in milliliters (mL) instead of weight in grams.

To calculate volume in mL, divide the weight in grams by the SG.

For example, if you have 642 g of nitric acid with an SG of 1.40:

The volume in mL would be (642 g/1.40) = 458.6 mL.

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The first enzyme to synthesize a nucleic acid at a replication fork is DNA polymerase. This enzyme plays a crucial role in the process of DNA replication, ensuring accurate copying of genetic information.

Here is a step-by-step explanation of its role:

1. DNA replication begins at a specific location on the DNA molecule called the origin of replication.
2. The two strands of the DNA double helix are separated by the action of a helicase enzyme, creating a replication fork with single-stranded DNA on both sides.
3. Single-strand binding proteins stabilize the single-stranded DNA at the replication fork.
4. The enzyme primase synthesizes short RNA primers, providing a starting point for DNA polymerase to begin synthesis.
5. DNA polymerase adds nucleotides to the 3' end of the RNA primer, synthesizing the new DNA strand in the 5' to 3' direction.
6. As the replication fork moves along the DNA, DNA polymerase continues to add nucleotides, building the new strand complementary to the template strand.
7. In the lagging strand, DNA replication occurs discontinuously, creating Okazaki fragments that are later joined by DNA ligase.

In summary, DNA polymerase is the first enzyme to synthesize a nucleic acid at a replication fork, playing a vital role in accurately replicating genetic information within cells.

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Answer:

D. inorganic substances​

Explanation:

Inorganic lacks carbon, which is usually found in living things.

Answer: The mass of water produced is 44.28 g

Explanation:

We are given:

Volume of oxygen gas = 27.50 L

At STP conditions:

22.4 L of volume is occupied by 1 mole of a substance

27.50 L of oxygen gas will be occupied by = \(\frac{1mol}{22.4L}\times 27.50L=1.23mol\)

The chemical equation for the formation of water follows:

\(2H_2+O_2\rightarrow 2H_2O\)

By the stoichiometry of the reaction:

If 1 mole of oxygen gas produces 2 moles of water

So, 1.23 moles of oxygen gas will produce = \(\frac{2}{1}\times 1.23=2.46mol\) of water

The number of moles is defined as the ratio of the mass of a substance to its molar mass. The equation used is:

\(\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}\) ......(1)

Molar mass of water = 18 g/mol

Plugging values in equation 1:

\(\text{Mass of water}=(2.46mol\times 18g/mol)=44.28g\)

Hence, the mass of water produced is 44.28 g

Answer:

\(1.2*10^{-2} g\)

Explanation:

\(1 mol - 6*10^{23} particles\)

\(1.6*10^{20}* \frac{1 mol}{6.02*10^{23}} = 0.00026578 mol\\\\M(CO2) = 12 + 2*32=44 \frac{g}{mol}\\\)

\(44\frac{g}{mol} *0.00026578 mol =0.012 = 1.2*10^{-2} g\)

The mass of 1.6x\(10^{20}\) molecules of carbon dioxide will be 1.2 × \(10^{-2}\) g.

A physical body's mass would be its total amount of matter. Inertia, or even the body's resistance to acceleration whenever a net force will be applied, is also measured by this term.

Calculation of mass :

Given data:

Number of molecule of carbon -dioxide = 1.6x\(10^{20}\).

It is known that , 1 mol = 6 × \(10^{23}\) particle.

Since,  1.2 × \(10^{-2}\) g × 1 mol /  6 × \(10^{23}\) = 0.00026578 mol.

M(\(CO_{2}\)) = 12 +2 × 32 = 44 g/mol

Now, convert g/mol into gram.

44 g/mol × 0.000265 mol.= 0.012 = 1.2 × \(10^{-2}\) g.

Therefore, the mass of carbon dioxide will be 1.2 × \(10^{-2}\) g.

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Answer:

Combustion

Explanation:

Answer:C.) It has one group in which the manipulated variable is tested, and another in which the responding variable is tested

Explanation: hope this helps

The statement that describes a controlled experiment is that it has one group in which the manipulated variable is tested, and another in which the responding variable is tested (option C).

A controlled experiment is an experiment where one variable is tested at a time and all other variables are kept constant.

An experiment consists of a manipulated or independent variable, which is the variable changed, and a responding or dependent variable, which is the variable measured.

Therefore, statement that describes a controlled experiment is that it has one group in which the manipulated variable is tested, and another in which the responding variable is tested.

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True.  By coupling these reactions, the overall ΔG would become negative, making the reaction thermodynamically favorable.

A cellular reaction with a ΔG of 8.5 kcal/mol could be effectively coupled to the hydrolysis of a single molecule of ATP. This is because the hydrolysis of ATP releases energy (approximately -7.3 kcal/mol) which can be used to drive the cellular reaction with a positive ΔG value. By coupling these reactions, the overall ΔG would become negative, making the reaction thermodynamically favorable.

ATP hydrolysis has a ΔG of around -30 kJ/mol under standard conditions, which means it is an exergonic reaction that releases energy. A cellular reaction with a ΔG of 8.5 kcal/mol (which is equivalent to 35.6 kJ/mol) is an endergonic reaction that requires energy. To couple these two reactions, the ΔG of the cellular reaction must be less than the ΔG of the ATP hydrolysis, so that the overall ΔG is negative and the reaction is spontaneous. However, in this case, the ΔG of the cellular reaction is greater than the ΔG of the ATP hydrolysis, so coupling them would result in a positive ΔG and a non-spontaneous reaction.

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The components of a chemical equation that are left after the spectator ions are removed are the net ionic equation.

This equation only includes the ions that actually participate in the chemical reaction, while the spectator ions do not undergo any change and can be eliminated from the equation.

A chemical equation is a representation of a chemical reaction using chemical formulas and symbols to show the reactants and products involved in the reaction. It is written using a combination of chemical symbols, numbers, and other symbols to indicate the reactants and products involved in the reaction, as well as the stoichiometry of the reaction. For example, the chemical equation for the combustion of methane in the presence of oxygen to form carbon dioxide and water is:

CH4 + 2O2 → CO2 + 2H2O.

The reactants are written on the left-hand side of the equation, while the products are written on the right-hand side. The numbers in front of the chemical formulas, known as coefficients, indicate the relative amounts of each substance involved in the reaction

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Answer:

46.07

Explanation:

im not 100 sure this is right almost tho

please mark brainliest

Answer:

Explanation:

Decomposition reaction, also known as analysis or dissociation, is a type of chemical reaction in which a compound breaks down into simpler substances or elements. In this reaction, a single reactant undergoes a chemical change and produces two or more products.

The decomposition reaction can be represented by the general equation:

AB → A + B

Where AB is the reactant, and A and B are the products. The reactant AB is usually a compound, and it breaks down into its constituent elements or simpler compounds.

There are different types of decomposition reactions, including:

Thermal decomposition: It occurs when a compound is heated, resulting in its decomposition into simpler substances. For example, the thermal decomposition of calcium carbonate (CaCO3) produces calcium oxide (CaO) and carbon dioxide (CO2):

CaCO3 → CaO + CO2

Electrolytic decomposition: It takes place when an electric current is passed through an electrolyte, causing it to break down into its component ions. For instance, the electrolysis of water (H2O) leads to the decomposition into hydrogen gas (H2) and oxygen gas (O2):

2H2O → 2H2 + O2

Photochemical decomposition: It occurs when a compound undergoes decomposition due to exposure to light energy. Chlorine gas (Cl2) can decompose into chlorine atoms (Cl) under the influence of light:

Cl2 → 2Cl

These are just a few examples of decomposition reactions. They are important in various chemical processes and are used in industries, laboratory experiments, and natural phenomena. By understanding and controlling decomposition reactions, scientists can gain insights into the behavior of different compounds and develop practical applications in fields such as chemistry, materials science, and environmental science.

Answer:

Explanation:

reaction in which a compound breaks down into simpler substances or elements

Answer: 1) Na because it requires least amount of energy.

Na requires the least amount of energy to remove the most loosely held electron.

Na - [Ne] 3s¹

P - [Ne] 3s² 3p³

Ar - [Ne] 3s² 3p⁶

Cl - [Ne] 3s² 3p⁵

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When doping Si with Boron at 300k, the electron concentration in it will be \(10^14 cm ^(-3)\) according to the effect of the dopant theory.

Born induces an acceptor level band in the bandgap of silicon as it is a third-group element. The equilibrium condition when we introduce a dopant like boron (B) is given by:

\(n × p = n_i^2 ×(q × (E_f - E_i) / (k × T))\)

q = elementary charge,

E_f = Fermi level,

E_i = intrinsic energy level,

k = Boltzmann's constant,

T= temperature.

By the effect of the dopant, we can find the electron concentration in silicon (Si).

temperature= 300 K

Doping concentration ( nₐ) = \(10^14 cm ^(-3)\)

Intrinsic carrier concentration = \(1.5 × 10^10 cm^(-3)\) (For silicon at 300 K )

In the presence of boron doping, the concentration of holes increases

The new concentration of holes = nₐ,

⇒ \(10^14 cm ^(-3)\)

n = nₐ

n =  \(10^14 cm ^(-3)\)

⇒ \(10^14 cm ^(-3)\)

Therefore, the electron concentration in silicon at 300 K with a boron doping concentration will be \(10^14 cm ^(-3)\).

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If a human cell contains MHC molecules that are binding pathogen antigens, d. the cell will be targeted for digestion by NK cells.

MHC molecules, or Major Histocompatibility Complex molecules, are essential for the immune system to recognize and respond to foreign substances like pathogens. When a cell is infected by a pathogen, it presents antigens from the pathogen on its surface using MHC molecules, this process signals the presence of an infection to the immune system. In this situation, the cell will be targeted by Natural Killer (NK) cells, which are a type of lymphocyte that plays a vital role in the innate immune system. NK cells are capable of identifying and eliminating cells displaying foreign antigens bound to MHC molecules, this process helps the immune system control the spread of infections and prevents the pathogen from causing further damage.

In this case, antibodies will not be produced in the host, as the process involves the innate immune system and not the adaptive immune system. The secondary immune response will not be activated, since it is related to the memory of the adaptive immune system, which is not engaged here. Additionally, extra immunoglobins will not be secreted into the plasma, as this occurs in response to the adaptive immune system's activation. The primary focus is on the role of NK cells in targeting and eliminating infected cells displaying MHC-bound pathogen antigens. So therefore the correct answer is d. the cell will be targeted for digestion by NK cells, if a human cell contains MHC molecules that are binding pathogen antigens.

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Answer:

Cations (positively-charged ions) and anions (negatively-charged ions) are formed when a metal loses electrons, and a nonmetal gains those electrons. ... And all of them form an anion with a single negative charge. The VIA elements gain two electrons to form anions with a 2- charge.

Explanation: OR

Metallic atoms hold some of their electrons relatively loosely. Consequently, they tend to lose electrons and form cations. Conversely, most nonmetallic atoms attract electrons more strongly than metallic atoms, and so gain electrons to form anions.

Metallic atoms hold some of their electrons relatively loosely. Consequently, they tend to lose electrons and form cations. Conversely, most nonmetallic atoms attract electrons more strongly than metallic atoms, and so gain › cat...

_

Answer:

It gains one or more electrons from another atom to become negatively charged.

Explanation:

An atom becomes charged by either gaining or losing electrons, and is called an ion. An atom with less than the normal number of electrons is a positive ion (a cation), and an atom with one or more extra electrons is a negative ion (an anion).

The H₃O from ka of the weak acid is as follows :

[H₃O⁺] = √ Ka × [Ha]

The Ka for the weak acid is as follows :

Ka = [H₃O⁺]² / [HA]

[H₃O⁺] = √ Ka × [Ha]

The Weak acids are the acids that does not completely dissociate or it will be partially dissociates in to the solution. The weak acids can also be defined as the acid that will not the strong acid. The strength of the weak acid will be depends on that the how much it will dissociates as the more it will dissociates, the stronger will be the acid.

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pH = -log[H3O+] = -log(8.26 x 10^-5) = 4.083 (three decimal places because the concentration had three sig figs)

Answer:

\({ \rm{Pb_{3}( PO_{3})_{2} + 3K_{2}CO _{3} →2 K_{3} PO_{3} + 3PbCO_{3}}}\)

For unrestrained cube made from linear, isotropic, homogeneous material the temperature increase causes strain in (6,0) direction(s).

It is well known that for unrestrained cube made from linear, isotropic, homogeneous material the temperature increase causes strain in (6,0) direction(s). This is due to the fact that the cube is free to expand in all directions, and thus, the strain is evenly distributed throughout the cube. However, it is interesting to note that the strain in the (6,0) direction is actually slightly greater than in the other directions. This is because the (6,0) direction is the direction of the temperature gradient, and thus, the strain is greater in this direction.

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The number of moles of calcium chloride ( CaCl₂) are contained in the given sample is 0.045 moles.

Given that :

The mass of the calcium chloride, CaCl₂ = 5 g

The molar mass of the calcium chloride, CaCl₂ = 110.98 g /mol

The number of moles can be calculated by the formula given below :

The number of moles = mass / molar mass

where,

Mass = 5 g

Molar mass = 119.98 g/mol

The number of moles = 5 g / 110.98 g /mol

The number of moles = 0.045 moles.

The moles of the calcium chloride ,  CaCl₂ is 0.045 mol.

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To obtain an effective concentration of household bleach, where a 1:100 dilution is made. This means that 1mL of bleach is added to 100mL of water.

According to the question, the dilution factor is 1:100 in the order quantity of bleach to that of water respectively.

Ultimately, 1mL of bleach is added to 100mL of water to achieve the 1:100 dilution.

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One of the following is an Arrhenius base NH2OH. The correct option is B.

The Arrhenius base is the compound that gives -Oh ions in the water after dissociation of the electrolyte. For example NaOH, KOH, NH4OH, etc.

Arrhenius base and acids can also explain the neutralization of the reaction and give information about the hydronium ion in water.

Therefore, The correct option is B. One of the following is an Arrhenius base NH2OH.

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Answer:

A balanced ionic equation shows the reacting ions in a chemical reaction. These equations can be used to represent what happens in precipitation reactions or displacement reactions.

Precipitation reactions

In a typical precipitation reaction, two soluble reactants form an insoluble product and a soluble product.

For example, silver nitrate solution reacts with sodium chloride solution. Insoluble solid silver chloride and sodium nitrate solution form:

AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)

The Na+ ions and NO3- ions remain separate in the sodium nitrate solution and do not form a precipitate. Ions that remain essentially unchanged during a reaction are called spectator ions.This means these can be ignored when writing the ionic equation. Only how the solid silver chloride forms is needed to be shown:

Ag+(aq) + Cl-(aq) → AgCl(s)

In a balanced ionic equation:

the number of positive and negative charges is the same

the numbers of atoms of each element on the left and right are the same

Displacement reactions

Displacement reactions take place when a reactive element displaces a less reactive element from one of its compounds.

A common type of displacement reaction takes place when a reactive metal reacts with the salt of a less reactive metal. For example, copper reacts with silver nitrate solution to produce silver and copper(II) nitrate solution:

2AgNO3(aq) + Cu(s) → 2Ag(s) + Cu(NO3)2(aq)

In this reaction, the NO3- ions remain in the solution and do not react - they are the spectator ions in this reaction. So, they can be removed from the ionic equation:

2Ag+(aq) + Cu(s) → 2Ag(s) + Cu2+(aq)

Question

Explain why this ionic equation is balanced:

Ba2+(aq) + SO42-(aq) → BaSO4(s)

Hide answer

There are the same numbers of atoms of each element on both sides of the equation. The total charge on both sides is also the same (zero).

Question

Balance this ionic equation, which represents the formation of a silver carbonate precipitate:

Ag+(aq) + CO32-(aq) → Ag2CO3(s)

Hide answer

2Ag+(aq) + CO32-(aq) → Ag2CO3(s)

Question

Balance this ionic equation, which represents the displacement of iodine from iodide ions by chlorine:

Cl2(aq) + I-(aq) → I2(aq) + Cl-(aq)

Hide answer

Cl2(aq) + 2I-(aq) → I2(aq) + 2Cl-(aq

Explanation:

this will help, I used this for my work x

AgNO₃ (aq) + NaCl (aq) → AgCl (s) + NaNO₃(aq) is the complete chemical equation taking place between the 2 reactants.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

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1) Chemical formula

2) Mg Lewis structure

3) O2 Lewis structure

4) MgO Lewis structure

5) Chemical formula written as Lewis dot structure

.