a current of 5.24 a is passed through a fe(no3)2 solution for 1.20 h. how much iron is plated out of the solution?

Methylamine is the strongest base among the given options due to its unshared electron pair and lack of significant stabilizing factors.

What makes methylamine the strongest base among the given options?

The strongest base among the given options is methylamine (CH3NH2). This is because it has a lone pair of electrons on the nitrogen atom, which can easily accept a proton to form a stable ammonium ion.

In comparison, phenol and aniline have lone pairs on oxygen and nitrogen respectively, but these are less available for accepting a proton due to resonance effects that stabilize the molecule. 4-nitroaniline also has a resonance-stabilized structure, in addition to the electron-withdrawing nitro group, which further hinders its ability to act as a strong base. Overall, methylamine's high basicity comes from its unshared electron pair and lack of any significant stabilizing factors.

To learn more about Methylamine, visit: https://brainly.com/question/9758686

#SPJ4

According to the question the concentration of 0.007M

An equation is a mathematical statement that describes the relationship between two or more quantities. It is typically expressed using an equal sign, and consists of numbers, variables, and operators such as addition, subtraction, multiplication and division.

The Nernst equation for a voltaic cell is given by [tex]E_{cell[/tex] = E0 - (RT/nF) lnQ.
Substituting the given values, we get:0.706 = -1.18 - (8.314 J/mol·K * 298 K/2 F) ln.
we get: [tex]Q = e^{[(0.706 - (-1.18))/(8.314 J/mol·K * 298 K/2 F)][/tex]

Q = 1.56 .
Therefore, the concentration of [tex]Cd^{2+} is:[Cd^{2+}] = [Mn^{2+}]/Q = 2.12/1.56 = 1.35 M ,[Cd^{2+}] = 0.007 M .[/tex]

To learn more about equation

https://brainly.com/question/20348074

#SPJ4

The equation which represents an acid-base or a buffer solution is represented below-

pH = pKₐ + log([A⁻]/[HA])

One way to determine the pH of a buffer is by using the Henderson–Hasselbalch equation, which is

pH = pKₐ + log([A⁻]/[HA])

In the above equation, [HA] and [A⁻] refer to the equilibrium concentrations of the conjugate acid–base pair used to create the buffer solution. For the titration of a weak acid with a strong base, the pH curve is initially acidic and has a basic equivalence point (pH > 7). The section of curve between the initial point and the equivalence point is known as the buffer region.

To learn more about pH check the link below-

brainly.com/question/26424076

#SPJ4

1. Arrhenius Base - (F) produces hydroxide ions in water, 2. Lewis Base - (A) electron pair donor, 3. Arrhenius Acid - (C) produces hydronium ions in water, 4. Lewis Acid - (D) electron pair acceptor, 5. Bronsted-Lowry Base - (B) proton acceptor and 6. Bronsted-Lowry Acid - (E) proton donor

An Arrhenius base is a substance that produces hydroxide ions (OH−) in an aqueous solution. This increases the concentration of hydrogen ions (H+) in the same solution, thereby making the solution more basic. The Arrhenius theory of electrolytes states that all bases dissociate into positively-charged cations (H+) and negatively-charged anions (OH−) when dissolved in water. This dissociation is known as the Arrhenius equation. Common examples of Arrhenius bases include calcium hydroxide, sodium hydroxide, potassium hydroxide, and ammonium hydroxide. These bases are used in a variety of industrial, medical, and scientific applications, such as pH regulation, neutralization of acids, and production of dyes and drugs. Arrhenius bases are important components of many chemical reactions and are often used in the production of cleaning solutions, medicines, and cosmetics.

To learn more about Arrhenius Base
https://brainly.com/question/27902993
#SPJ4

If good Z has an income elasticity of 1.0, then demand for good Z is income unit elastic and the good is normal, option E.

The pricing of some items are particularly inelastic, according to economists. In other words, neither a price decrease nor an increase in price significantly affect demand. For instance, the price-elasticity of demand for petrol is low. Drivers, as well as airlines, the trucking sector, and practically every other buyer, will continue to make as many purchases as necessary.

It is not unexpected that marketing experts are really interested in this idea. Even yet, it may be argued that their main objective is to increase inelastic demand for the goods they promote. They accomplish this by finding a significant distinction between their items and any others on the market.

Learn more about Elasticity demand:

brainly.com/question/30536882

#SPJ4

Complete question:

If good Z has an income elasticity of 1.0, then demand for good Z is income __________ and the good is __________.

a. inelastic; normal

b. inelastic; inferior

c. elastic; normal

d. elastic; inferior

e. unit elastic; normal

The pH of a neutral aqueous solution at 0°C is 7.46.

The ion product constant of water (Kw) at 0°C is given as 0.12 x 10^-14.

At 0°C, the dissociation of water can be represented as:

H2O ⇌ H+ + OH-

The concentration of hydrogen ions (H+) and hydroxide ions (OH-) in a neutral solution are equal.

Therefore, if x is the concentration of H+ or OH- in the solution, then

[H+] = [OH-] = x.

The expression for the ion product constant of water can be written as:

Kw = [H+][OH-] = x^2

Substituting the given value of Kw at 0°C, we get:

0.12 x 10^-14 = x^2

Taking the square root on both sides, we get:

x = √(0.12 x 10^-14) = 3.464 x 10^-8

The pH of the solution can be calculated as:

pH = -log[H+]

Since [H+] = x, we have:

pH = -log(3.464 x 10^-8) = 7.46

to know more about pH refer here:

https://brainly.com/question/2288405#

#SPJ11

The average bond energy of oxygen is directly related to its enthalpy of atomisation. As the average bond energy increases, the enthalpy of atomisation also increases.

In more detail, the enthalpy of atomisation is the energy required to break one mole of a substance into its individual atoms in the gas phase. For oxygen, this means breaking the O2 molecule into two separate O atoms. The energy required to break this bond is the bond energy of oxygen.

The bond energy of oxygen is the amount of energy required to break one mole of O2 molecules into individual oxygen atoms in the gas phase. This bond energy is related to the strength of the bond between the two oxygen atoms in the molecule. As the bond energy increases, the bond between the two oxygen atoms becomes stronger, which makes it more difficult to break the bond and requires more energy to do so. This increased energy requirement results in a higher enthalpy of atomisation for oxygen.

In summary, the average bond energy of oxygen and its enthalpy of atomisation are directly related, with an increase in bond energy resulting in a higher enthalpy of atomisation.

Learn more about oxygen here:

https://brainly.com/question/17179649

#SPJ11

To determine the pH of a 0.30 M FeCl2 solution, we need to consider the hydrolysis of the hydrated ferrous ion [Fe(OH2)6]2+ in water. This hydrolysis reaction can be represented as follows:

[Fe(OH2)6]2+ + H2O ⇌ [Fe(OH)(OH2)5]+ + H3O+

The equilibrium constant for this reaction is given by the expression:

Kw/Ksp[Fe2+] = [H3O+][Fe(OH)(OH2)5]+]/[Fe(OH2)6]2+

Where Kw is the ion product constant for water, Ksp[Fe2+] is the solubility product constant for Fe(OH)2, and [Fe2+] is the concentration of ferrous ions in solution.

We can use this equation to calculate the concentration of H3O+ ions in the solution, which will give us the pH of the solution. Plugging in the given values, we get:

Kw/Ksp[Fe2+] = [H3O+][Fe(OH)(OH2)5]+]/[Fe(OH2)6]2+
1.0 x 10^-14/8.7 x 10^-17 = [H3O+][Fe(OH)(OH2)5]+]/(0.30)^2
[H3O+] = 3.22 x 10^-3 M
pH = -log[H3O+] = 2.49

Therefore, the pH of a 0.30 M FeCl2 solution is approximately 2.49.

To know more about ferrous ions click this link-

brainly.com/question/28901984

#SPJ11

You need 170.0 ml of 0.100 M formic acid to make 500.0 ml of 0.050 M formic acid buffer at pH 3.40 by titration of formic acid with NaOH.

To make 500.0 ml of 0.050 M formic acid buffer at pH 3.40 by titration of formic acid with NaOH, you first need to determine the amount of formic acid required. To do this, you can use the Henderson-Hasselbalch equation:
pH = pKa + ㏒ ([A⁻]/[HA])

Where pH is 3.40, pKa for formic acid is 3.75, [A⁻] is the concentration of formate ion, and [HA] is the concentration of formic acid.

Rearranging the equation to solve for [A⁻]/[HA], we get:
[A⁻]/[HA] = [tex]10^{(pH - pKa)}[/tex]

Substituting the given values, we get:
[A⁻]/[HA] = [tex]10^{-0.35}[/tex] = 0.447

This means that the concentration of formate ion and formic acid in the buffer must be in a ratio of 0.447:1. Therefore, the concentration of formic acid in the buffer is:
[HA] = 0.050 M / (1 + 0.447) = 0.034 M

To make 500.0 ml of this buffer, we need:
0.034 M x 500.0 ml = 17.0 mmol of formic acid

Now, we can calculate the volume of 0.100 M formic acid required to make the buffer:
V = n / c

Where V is the volume in ml, n is the amount of formic acid required in moles, and c is the concentration of formic acid in the stock solution.

Substituting the values, we get:
V = 17.0 mmol / 0.100 mol/L = 170.0 ml

Therefore, you need 170.0 ml of 0.100 M formic acid to make 500.0 ml of 0.050 M formic acid buffer at pH 3.40 by titration of formic acid with NaOH.

Learn more about formic acid here:

https://brainly.com/question/31650387

#SPJ11

Intermolecular forces play a crucial role in determining whether a substance is a solid at room temperature.

Intermolecular forces are the attractive forces that exist between molecules. There are three types of intermolecular forces: London dispersion forces, dipole-dipole forces, and hydrogen bonding. These forces vary in strength and depend on the molecular structure of a substance.

In general, substances with stronger intermolecular forces tend to be solids at room temperature. This is because the molecules are more tightly held together, and the substance requires more energy to break apart the intermolecular bonds and change state. For example, substances with strong hydrogen bonding, such as water, are typically solids at room temperature.

To know more about Intermolecular forces, visit;

https://brainly.com/question/2193457

#SPJ11

In winter time when the drapes are opened for energy efficiency, the most important type of radiation that is allowed is IR radiation

During the winter, when drapes are opened for energy efficiency, the most important type of radiation that is allowed to enter is infrared radiation.  This is because infrared radiation is a type of heat radiation, and it can pass through glass and other materials that visible light cannot penetrate. When the sun shines on a window during the winter, the infrared radiation from the sun can pass through the glass and heat the interior of the house. This can help to reduce the need for additional heating, which can save energy and reduce heating costs.

To learn more about IR radiation:

https://brainly.com/question/14285257

#SPJ4

Full Question ;

In winter time when the drapes are opened for energy efficiency, the most important type of radiation that is allowed is______

After the nitration reaction of methyl benzoate, the product is poured onto ice instead of water because the reaction is highly exothermic, and pouring the product onto ice helps to control the temperature and prevent the reaction mixture from overheating.

What is Exothermic?

Exothermic refers to a type of chemical reaction or process that releases heat or energy into the surroundings. In an exothermic reaction, the products of the reaction have less energy than the reactants, and the difference in energy is released as heat or light. This can be seen as a rise in temperature, the emission of light or flame, or a change in the physical state of the reaction mixture (such as boiling or melting).

The nitration of methyl benzoate involves the reaction of the molecule with a mixture of concentrated nitric acid and concentrated sulfuric acid, which is highly exothermic due to the release of heat during the reaction. Pouring the product onto ice helps to cool the reaction mixture and prevent it from getting too hot, which can lead to side reactions or decomposition of the product.

Learn more about Exothermic from the given link

https://brainly.com/question/2924714

#SPJ4

The salt that does not give a neutral solution when dissolved in water among the options provided is d. NH4OH. A neutral solution has a pH of 7. When salts dissolve in water, they can form acidic, basic, or neutral solutions depending on the ions they release.

NH4OH is ammonium hydroxide, which dissociates into NH4+ (ammonium ion) and OH- (hydroxide ion) when dissolved in water. The presence of OH- ions increases the pH, making the solution basic rather than neutral. Therefore, among the given options, NH4OH does not form a neutral solution when dissolved in water. Most salts, like KNO3, BaCl2, Ca(ClO3)2, and NaBr, dissociate into a cation and an anion that do not affect the pH significantly, resulting in a neutral solution. However, NH4OH is different.

To know more about neutral solution

https://brainly.com/question/29510389

#SPJ11

These elements can be found in the periodic table, specifically in the "metalloids" group. Metalloids have properties of both metals and nonmetals, making them useful in electronic devices because they can conduct electricity while also being able to act as a semiconductor. Some common metalloids include silicon, germanium, and arsenic.
Hi! These elements with properties of both metals and nonmetals are called "metalloids" or "semimetals." They can be found in the periodic table along the zig-zag line that separates metals and nonmetals. Some examples include silicon, germanium, arsenic, and boron. These metalloids have unique properties that make them useful in electronic devices, such as semiconductors.

To know more about  metalloids visit:

brainly.com/question/31593509

#SPJ11

To calculate the mass of sodium benzoate needed to create a buffer with a pH of 4.25, we need to use the Henderson-Hasselbalch equation:

pH = pKa + log([A-]/[HA])

where pKa is the acid dissociation constant of benzoic acid (6.46), [A-] is the concentration of sodium benzoate, and [HA] is the concentration of benzoic acid.

First, we need to calculate the concentration of benzoic acid:

0.15 M = [HA]/0.151 L

[HA] = 0.02265 M

Next, we need to plug in the values for pH, pKa, and [HA] to solve for [A-]:

4.25 = 6.46 + log([A-]/0.02265)

-2.21 = log([A-]/0.02265)

[A-]/[HA] = 0.0075

Now we can calculate the concentration of sodium benzoate:

0.0075 = [A-]/0.151 L

[A-] = 0.00113 M

Finally, we can calculate the mass of sodium benzoate needed:

mass = moles x molar mass

mass = 0.00113 mol x 144.11 g/mol

mass = 0.163 g

Therefore, you would need to add 0.163 g of sodium benzoate to 151.0 mL of a 0.15 M benzoic acid solution to obtain a buffer with a pH of 4.25.
To calculate the mass of sodium benzoate needed to create a buffer with a pH of 4.25, we'll use the Henderson-Hasselbalch equation:

pH = pKa + log ([A-]/[HA])

Here, pH = 4.25, and [HA] is the concentration of benzoic acid (0.15 M). We need to find [A-], the concentration of the sodium benzoate. First, we need the pKa value of benzoic acid (HC7H5O2). The Ka value for benzoic acid is approximately 6.5 × 10^-5, so its pKa value is:

pKa = -log(Ka) = -log(6.5 × 10^-5) ≈ 4.19

Now we can find the concentration of sodium benzoate ([A-]):

4.25 = 4.19 + log ([A-]/[0.15])
0.06 = log ([A-]/[0.15])
10^0.06 = [A-]/[0.15]
[A-] = 0.15 × 10^0.06 ≈ 0.158 M

Now that we have the concentration of sodium benzoate, we can calculate the moles needed:

moles = (0.158 M) × (0.151 L) ≈ 0.0239 mol

Finally, we'll find the mass of sodium benzoate (molecular weight ≈ 144 g/mol):

mass = (0.0239 mol) × (144 g/mol) ≈ 3.44 g

So, you should add approximately 3.44 g of sodium benzoate to the 151.0 mL of 0.15 M benzoic acid solution to obtain a buffer with a pH of 4.25.

To know more about buffer solution visit;

https://brainly.com/question/24262133

#SPJ11

As the water bath is warming, the space at the top of the graduated cylinder is decreasing. This change is occurring because the warming water is causing the air in the cylinder to expand, which in turn is pushing out any excess air and taking up more space. This is known as thermal expansion and is a common phenomenon observed in many materials when they are heated. The graduated cylinder, being made of glass, also undergoes thermal expansion, but to a lesser extent than the air inside it. This results in a decrease in the space at the top of the cylinder as the warming water and expanding air occupy more of it.
Hi! As the water bath is warming, the space at the top of the graduated cylinder is decreasing. This change is occurring because the temperature increase causes the molecules in the liquid inside the cylinder to move faster and expand. As a result, the liquid occupies more volume, reducing the space at the top of the graduated cylinder. This phenomenon is due to thermal expansion, which is the tendency of matter to change its volume in response to a change in temperature.

To know more about graduated cylinder visit

https://brainly.com/question/26173436

#SPJ11

The compounds named are all metal hydroxides. These compounds are all formed by the reaction of a metal oxide or metal with water.

The compounds named are all metal hydroxides. NaOH is sodium hydroxide, KOH is potassium hydroxide, Ca(OH)2 is calcium hydroxide, Sr(OH)2 is strontium hydroxide, and Ba(OH)2 is barium hydroxide.

These compounds are all formed by the reaction of a metal oxide or metal with water. They are strong bases that can dissociate in water to form hydroxide ions (OH-) and metal cations. Sodium hydroxide and potassium hydroxide are commonly used in the production of soaps, detergents, and other chemicals. Calcium hydroxide is used in the production of cement, while strontium hydroxide and barium hydroxide are used in the production of ceramic materials and glass.

These metal hydroxides are also important in various industrial processes, such as in the production of paper, textiles, and food products. They can also be used as strong bases in chemical reactions and in laboratory experiments.

To learn more about Metal hydroxide click here

https://brainly.com/question/11170180

#SPJ11

The pH of the solution after the addition of NaOH is 3.3 + 1.0 = 4.3 and The amount of HCl added is 0.20

A strong base is an alkaline, ionic compound that has a high pH and can accept protons from other compounds. It is the opposite of an acid, and the presence of a strong base can neutralize an acid. Common strong bases include sodium hydroxide, potassium hydroxide, calcium hydroxide, and ammonium hydroxide.

1. NaOH: The initial pH of the solution in Exercise 33 was 3.3.
The molarity of NaOH added is 0.10 mol/L.
The amount of NaOH added is 0.10 mol/L * 1.00 L = 0.10 mol.
The change in pH due to the addition of NaOH is equal to the negative log of the molarity of the added solution.
Therefore, the change in pH due to the addition of 0.10 mol/L of NaOH is equal to -log(0.10 mol/L) = 1.0.
Therefore, the pH of the solution after the addition of NaOH is 3.3 + 1.0 = 4.3.

2. HCl: The initial pH of the solution in Exercise 31 was 7.0.
The molarity of HCl added is 0.20 mol/L.
The amount of HCl added is 0.20

To learn more about strong base
https://brainly.com/question/7245674
#SPJ4

To study the effect of temperature on yield in a chemical process, an experiment was conducted with five batches produced at each of three temperature levels.


In this experiment, multiple batches are used to ensure a more reliable outcome. By testing the yield at different temperature levels, one can observe the impact of temperature on the chemical process. The data generated from this experiment can then be analyzed to determine the optimal temperature for maximum yield.


By producing five batches at each of three temperature levels, the experiment provides valuable information about the effect of temperature on yield in a chemical process. This data can help optimize the process for maximum yield and efficiency.

To know more about effect of temperature, visit:

https://brainly.com/question/29439060

#SPJ11

HF and CH₃OH are molecules that  does not contain hydrogen bonding intermolecular attractive forces.

Option B and D are correct.

Unlike a covalent bond to a hydrogen atom, hydrogen bonding is a distinct type of dipole-dipole attraction between molecules. It results from the appealing power between a hydrogen particle covalently clung to an extremely electronegative iota like a N, O, or F molecule and another exceptionally electronegative molecule.

Intermolecular hydrogen bonding and intramolecular hydrogen bonding are the two main types of hydrogen bonds that have been discussed. The majority of intermolecular hydrogen bonding takes place between molecules with the same or different compounds.

Learn more about hydrogen bonding:

brainly.com/question/30945925

#SPJ4

Unshared pairs of electrons are lone pairs, which are not involved in any chemical bond.

Chemistry is the scientific discipline of the study of the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. It combines both physical and analytical methods to identify and quantify substances, study the structure of molecules and atoms, and explore the many ways in which these substances interact. Chemists use complex analytical instruments, such as spectrometers, mass spectrometers, and chromatographs, to develop models and theories, conduct experiments, and interpret the results.

These lone pairs take up more space than bonded electrons, and cause the bond angle to deviate from the ideal angle, which is determined by the number and type of bonds present. This is because the lone pairs repel nearby bonded electrons, pushing them out of their ideal positions and creating a distorted molecular geometry.

To learn more about chemical

https://brainly.com/question/29886197

#SPJ4

Generally, a Dodge Charger has two catalytic converters, one located on each exhaust manifold.

A well-known American muscle automobile with an intimidating appearance is the Dodge Charger. The Charger has a long history that dates back to the 1960s and has emerged as a symbol of advanced automotive engineering. It has a variety of powerful V8 engines that give it remarkable acceleration and speed. Its unusual style, which blends vintage components with contemporary accents, draws both enthusiasts and collectors. The Charger's pedigree, performance, and eye-catching design have cemented its place as an enduring emblem of American muscle car culture.

To know more about dodge charger, here:

https://brainly.com/question/31182667

#SPJ12

Main Answer is : A catalyst is a substance that can speed up a chemical reaction by lowering its activation energy, without being consumed or permanently altered in the process.

This means that it helps to reduce the amount of energy needed to start the reaction, making it easier for reactant molecules to collide and form products. However, a catalyst does not change the enthalpy (heat content) of the reaction, as this is determined by the difference in energy between the starting materials and the products.

In other words, a catalyst can only affect the rate, not the overall energy balance, of a chemical reaction. Therefore, the correct answer to the question is: a catalyst increases the rate of a reaction by lowering the activation energy of the reaction.
A catalyst increases the rate of a reaction by lowering the activation energy of the reaction. The catalyst achieves this without being consumed in the process.

It does not affect the overall enthalpy of the reaction, which remains constant. By reducing the activation energy, the catalyst allows the reaction to proceed more quickly, enabling more reactant particles to reach the energy threshold required for a successful reaction to occur.

To know more about catalyst visit:

brainly.com/question/24430084

#SPJ11

The rad (an acronym for "radiation absorbed dose") is a unit of measurement used to quantify the amount of energy absorbed by a substance from ionizing radiation.

Specifically, the rad is defined as the absorption of 100 ergs of energy per gram of the substance. It is used to describe the amount of ionizing radiation that is absorbed by a person or object, and is commonly used in medical and industrial settings to measure exposure to radiation. One rad is equal to 0.01 gray (Gy), which is the International System of Units (SI) unit for measuring radiation dose.

To know more about ionizing radiation,

https://brainly.com/question/9621276

#SPJ11

According to the statement the density of iron in g/cm3 is 7.874, which is closest to the value of 7.85 in the options provided.

To calculate the density of iron, we need to first determine the volume of the unit cell. Since iron crystallizes in a body-centered cubic cell, we can use the formula V = (a/2)^3, where a is the edge length of the cube. Substituting the given value of 287.0 pm (or 2.87 Å) for a, we get V = (2.87/2)^3 = 11.91 Å^3.
Next, we need to calculate the mass of the iron atoms in the unit cell. The atomic weight of iron is 55.845 g/mol, and since there are two iron atoms in the unit cell, the mass of iron in the unit cell is 2 x 55.845 = 111.69 g/mol.
Now, we can calculate the density of iron using the formula density = mass/volume. Substituting the values we calculated, we get density = 111.69 g/mol / 11.91 Å^3. We need to convert the volume to cm^3, which is 11.91 x 10^-24 cm^3. So, density = 111.69 g/mol / (11.91 x 10^-24 cm^3) = 7.874 g/cm^3.
Therefore, the density of iron in g/cm3 is 7.874, which is closest to the value of 7.85 in the options provided.

To know more about density visit :

https://brainly.com/question/29775886

#SPJ11

Activation energy for the given reaction is approximately 50.3 kJ/mol.

What is the activation energy for a reaction given the rate constant increases with temperature?

We can use the Arrhenius equation to solve for the activation energy:

[tex]k &= A \cdot e^{-\frac{E_a}{RT}} \[/tex]

where k is the rate constant, A is the pre-exponential factor (also known as the frequency factor), Ea is the activation energy, R is the gas constant, and T is the temperature in Kelvin.

natural logarithm of both sides, we get:

[tex]\ln(k) &= \ln(A) - \frac{E_a}{RT} \[/tex]

We can rewrite this equation as a linear equation by plotting ln(k) against 1/T:

y = mx + b

where y = ln(k), x = 1/T,

m = -Ea/R, and b = ln(A).

Using the data given in the problem, we can calculate ln(k) and 1/T for two different temperatures:

[tex]\ln(k_1) &= \ln(10.0 \text{ s}^{-1}) = 2.3026 \[/tex]

[tex]\frac{1}{T_1} &= \frac{1}{315 \text{ K}} = 0.0031746 \text{ K}^{-1} \[/tex]

[tex]\ln(k_2) &= \ln(100.0 \text{ s}^{-1}) = 4.6052 \[/tex]

[tex]\frac{1}{T_2} &= \frac{1}{416 \text{ K}} = 0.0024038 \text{ K}^{-1}[/tex]

Substituting these values into the linear equation, we get:

[tex]2.3026 &= -\frac{E_a}{8.314,\text{J/molK}} \cdot 0.0031746,\text{K}^{-1} + \ln(A) \\\4.6052 &= -\frac{E_a}{8.314,\text{J/molK}} \cdot 0.0024038,\text{K}^{-1} + \ln(A) \[/tex]

Solving for Ea, we get:

[tex]E_a &= -8.314,\text{J/molK} \cdot (\text{slope}) \\\E_a &= -8.314,\text{J/molK} \cdot \frac{\ln(k_2) - \ln(k_1)}{1/T_2 - 1/T_1} \\\E_a &= 50.3,\text{kJ/mol}[/tex]

Therefore, the activation energy for the reaction is approximately 50.3 kJ/mol.

Know more about Activation energy, visit: https://brainly.com/question/1380484

#SPJ4

Reduce pressure at a constant temperature - This will result in an increase in the mean free path of the gas because the molecules will be less likely to collide with each other due to the lower pressure.

Temperature is a measure of the degree of hotness or coldness of an object or environment. It is measured using a thermometer, which typically uses the Celsius, Fahrenheit, or Kelvin scales. Temperature is one of the fundamental properties of matter and is an important physical measurement that affects many other physical properties, including density, pressure, solubility, and electrical conductivity. Temperature is also used to measure the speed at which molecules move, which is referred to as thermal energy. Temperature is an essential factor in various processes, such as the rate of chemical reactions, the growth of plants, and the metabolism of animals. In addition, temperature affects the physical properties of many substances, including the melting and boiling points of liquids, the vapor pressure of gases, and the solubility of solids.

To learn more about temperature
https://brainly.com/question/4735135
#SPJ4

Complete Question:
Which of the following will result in an increase in the mean free path of the gas?
a. Reduce pressure at a constant temperature.
b. Increase temperature at constant volume.
c. Increase gas number density.
d. Increase the size of the molecules.

The pH of the buffer is 4.54. The concentration of sodium benzoate that must be mixed in a 0.20 M solution of benzoic acid to deliver a pH of 4.0 is 0.1262 M.

Molarity of benzoic acid = 0.12 M

Sodium benzoate = 0.20 M

Ka = 6. 3 x [tex]10^{-5}[/tex]

To find the pH of the buffer,  we need to use the Henderson-Hasselbalch equation:

pH = pKa + [tex]log_{(A-)} /[HA])[/tex]

Ka = [H+][A-]/[HA]

pKa = [tex]-log_{(Ka)}[/tex]

pKa = [tex]-log_{(6.3 * 10^-5)}[/tex]

pKa = 4.20

The pH value is calculated as:

pH = 4.20 + [tex]log_{([0.20]/[0.12])}[/tex]

pH = 4.54

Therefore, we can conclude that the pH of the buffer is 4.54.

To estimate the concentration of sodium benzoate we can shuffle the Henderson-Hasselbalch equation:

pH = pKa + [tex]log_{(A-)} /[HA])[/tex]

[tex]log_{(A-)} /[HA])[/tex]= pH - pKa

[A-]/[HA] =[tex]10^{(pH - pKa)} ^[/tex]

[A-]/[HA] = [tex]10^{4.0 - 4.20}[/tex]

[A-]/[HA] = 0.6309

[A-] = [A-]/[HA] x [HA]

[A-] = 0.6309 x 0.20

[A-] = 0.1262 M

Therefore, we can conclude that the concentration of sodium benzoate is 0.1262 M.

To learn more about the Henderson-Hasselbalch equation

https://brainly.com/question/13423434

#SPJ4

The durable good in this given list is a refrigerator. A durable good is an item that is expected to last for a relatively long period of time and can withstand repeated use or wear and tear.

While ice cream, a t-shirt, and a tomato are all consumable goods that are meant to be used up relatively quickly, a refrigerator is a major household appliance that is designed to last for several years with proper care and maintenance.

Therefore, a refrigerator is a durable good. Durable goods are items that have a long lifespan and can be used over an extended period, such as appliances, furniture, and vehicles.

To know more about durable good, refer

https://brainly.com/question/30699020

#SPJ11

When solid ammonium hydrogen carbonate is put into water, it dissociates into its constituent ions. The reaction can be represented as follows:

(NH4)HCO3 (s) + H2O (l) -> NH4+ (aq) + HCO3- (aq) + H2O (l)

In this reaction, the ammonium hydrogen carbonate dissociates into ammonium cations (NH4+) and bicarbonate anions (HCO3-) in the presence of water. This dissociation occurs because ammonium hydrogen carbonate is a strong electrolyte, which means that it ionizes completely when dissolved in water. As a result, the resulting solution will conduct electricity due to the presence of the dissociated ions.
When solid ammonium hydrogen carbonate (NH4HCO3) is put into water, it dissolves and dissociates into its ions, forming an electrolyte solution. The reaction can be written as follows:

NH4HCO3 (s) → NH4+ (aq) + HCO3- (aq)

In this reaction, "s" represents solid, "aq" represents aqueous (dissolved in water), and the compound dissociates into ammonium ions (NH4+) and hydrogen carbonate ions (HCO3-) in the water.

To know more about  electrolyte visit:

brainly.com/question/32991014

#SPJ11