Is Grahams Law Compatible With The Results From The Computer Experiement (2024)

To calculate the enthalpy change associated with the dissolution of NH4Cl in water, we need to use the equation:

ΔH = q / n

where ΔH is the enthalpy change in J/mol, q is the heat absorbed or released in J, and n is the number of moles of solute.

First, we need to calculate the number of moles of NH4Cl in the packet:

moles of NH4Cl = mass of NH4Cl / formula weight of NH4Cl

moles of NH4Cl = 27.35 g / 53.45 g/mol

moles of NH4Cl = 0.511 moles

Next, we need to calculate the heat absorbed or released when the NH4Cl dissolves in water. We can use the equation:

q = m x C x ΔT

where q is the heat absorbed or released in J, m is the mass of the solution in grams, C is the specific heat capacity of the solution in J/g°C, and ΔT is the change in temperature in °C.

We assume that the temperature change during the dissolution process is negligible, so ΔT is close to zero. Therefore, we can simplify the equation to:

q = m x C

where m is the mass of the solution in grams, which is equal to the mass of NH4Cl plus the volume of water converted to mass using its density:

m = mass of NH4Cl + volume of water x density of water

m = 27.35 g + 193 mL x 1 g/mL

m = 27.35 g + 193 g

m = 220.35 g

Substituting the values into the equation, we get:

q = 220.35 g x 4.184 J/g°C

q = 922.40 J

Finally, we can calculate the enthalpy change using the first equation:

ΔH = q / n

ΔH = 922.40 J / 0.511 moles

ΔH = 1804.19 J/mol

Therefore, the enthalpy change associated with the dissolution of NH4Cl in water is 1804.19 J/mol.

To know more about enthalpy refer here

brainly.com/question/29145818#

#SPJ11

Answer:

current

Explanation:

Anelectric currentis a flow of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is defined as the net rate of flow of electric charge through a surface.

When this equation is balanced with the smallest set of whole numbers the coefficient [tex]N_2[/tex] for is option B) 2.

The given chemical equation is:

[tex]\[ N_2H_4(g) + N_2O_4(g) \rightarrow N_2(g) + H_2O(g) \][/tex]

To balance the equation, we count the number of each type of atom on both sides:

On the left side (reactants):

- Nitrogen (N): 2 (from [tex]\(N_2H_4\)[/tex]) + 2 (from [tex]\(N_2O_4\)[/tex]) = 4

- Hydrogen (H): 4 (from [tex]\(N_2H_4\)[/tex])

- Oxygen (O): 4 (from [tex]\(N_2O_4\)[/tex])

On the right side (products):

- Nitrogen (N): 2 (from [tex]N_2[/tex])

- Hydrogen (H): 2 (from [tex]\(H_2O\)[/tex])

- Oxygen (O): 1 (from [tex]\(H_2O\)[/tex]) + 4 (from [tex]\(N_2O_4\)[/tex]) = 5

To balance the nitrogen (N) atoms, we need a coefficient of 2 in front of \([tex]\(N_2[/tex]):

[tex]\(N_2H_4\)[/tex](g) + [tex]N_2O_4(g)[/tex](g) \rightarrow 2[tex]N_2[/tex](g) + [tex]\(H_2O\)[/tex](g) ]

Therefore, the coefficient for [tex]\(N_2[/tex] is 2.

Learn more about Nitrogen here:

https://brainly.com/question/1933853

#SPJ11

CCl4 < CHCl3 < NaNO3 has the compounds correctly arranged in order of increasing solubility in water

What is the meaning of solubility?

The creation of a new bond between the molecules of the solute and the solvent is known as solubility. Solubility is the greatest amount of solute that can be dissolved in a known amount of solvent at a specific temperature.

The generation of partial charges occurs because CHCl3 is a polar molecule and the chlorine and carbon atoms have different electronegativities. Dipole-dipole forces will therefore exist between them.

NaNO3, on the other hand, is an ionic compound that easily separates into ions when dissolved in water. Additionally, interactions between sodium and nitrate ions' ion-dipoles will occur. CCl4 is a non-polar substance. It is hence insoluble in water.

To learn more about solubility :

https://brainly.com/question/23946616

#SPJ4

We need to add approximately 0.313 L of the 10.0 m HCl solution to 1.25 L of water to dilute the solution to 0.200 m.

To dilute 10.0 m HCl solution to 0.200 m, we need to add a certain volume of the 10.0 m HCl solution to 1.25 L of water to reach the desired concentration of 0.200 m.

To find out how much of the 10.0 m HCl solution is required, we can use the following formula:

Required volume of 10.0 m HCl solution = 0.200 m * 1.25 L

Required volume of 10.0 m HCl solution = 0.313 L

Therefore, we need to add approximately 0.313 L of the 10.0 m HCl solution to 1.25 L of water to dilute the solution to 0.200 m.

Learn more about solution visit: brainly.com/question/25326161

#SPJ4

The enthalpy of combustion of methane is approximately -890.65 kJ/mol.

To calculate the enthalpy of combustion of methane (CH4), we can use the standard enthalpies of formation (ΔH°f) for methane (CH4), carbon dioxide (CO2), and water (H2O).

The combustion reaction of methane can be represented as follows:

CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)

The standard enthalpy change for this reaction, ΔH°comb, can be calculated using the standard enthalpies of formation:

ΔH°comb = Σ(nΔH°f,products) - Σ(mΔH°f,reactants)

where n and m are the stoichiometric coefficients of the products and reactants, respectively.

Given:

ΔH°f(CH4) = -74.85 kJ/mol

ΔH°f(CO2) = -393.5 kJ/mol

ΔH°f(H2O) = -286 kJ/mol

Using the equation above, we can calculate the enthalpy of combustion:

ΔH°comb = [1 × ΔH°f(CO2)] + [2 × ΔH°f(H2O)] - [1 × ΔH°f(CH4)]

= [1 × (-393.5 kJ/mol)] + [2 × (-286 kJ/mol)] - [1 × (-74.85 kJ/mol)]

= -393.5 kJ/mol - 572 kJ/mol + 74.85 kJ/mol

= -890.65 kJ/mol

Therefore, the enthalpy of combustion of methane is approximately -890.65 kJ/mol.

To know more about enthalpy refer here

brainly.com/question/29145818#

#SPJ11

Unburned carbon produced during the inefficient burning of coal is called soot. It is a black, powdery substance composed mainly of carbon particles that are not fully combusted during the combustion process.

When coal is burned inefficiently, incomplete combustion occurs, leading to the formation of unburned carbon. This unburned carbon, commonly known as soot or carbon black, is primarily composed of fine carbon particles. Soot is produced when the combustion conditions are insufficient to completely break down the carbon-based compounds present in coal into carbon dioxide (CO2). Instead, the carbon atoms bond together, forming black, powdery particles. These particles are released into the atmosphere as emissions and contribute to air pollution. Soot can have detrimental effects on human health and the environment and is a key component of particulate matter, a significant air pollutant.

Learn more about Unburned carbon here: brainly.com/question/30025842

#SPJ11

The Ksp (solubility product constant) of borax can be calculated by using the given information and the stoichiometry of the reaction.

What is the method for calculating the Ksp of borax?

To calculate the Ksp, we need to determine the moles of borax and HCl used in the reaction. From the balanced equation, we can determine the mole ratio between borax and HCl.

By dividing the moles of borax by the volume of the aliquot, we can calculate the molarity of the borax solution. Finally, using the molarity of the borax solution and the stoichiometric coefficients from the balanced equation, we can calculate the Ksp.

In summary, by calculating the moles and molarity of the borax solution and applying the stoichiometry of the reaction, we can determine the Ksp of borax.

Learn more about Ksp

brainly.com/question/31388983

#SPJ11

To calculate the percentage of your sample lost during recrystallization, you need to know the mass of the lost material relative to the initial sample mass.

Let's assume you started with a known mass of aspirin before the recrystallization process. Let's denote this initial mass as "m_initial" (in mg). After the recrystallization process, you have a reduced mass of aspirin, denoted as "m_final" (in mg).Finally, to calculate the percentage of the sample lost, you divide the mass lost by the initial mass and multiply by 100 Percentage lost = (Mass lost / m_initial) * 100 By plugging in the values for "m_initial," "m_final," and performing the calculations, you can determine the amount of money lost through the recrystallization process.

To know more about mass visit :

https://brainly.com/question/11954533

#SPJ11

The reaction is indicated as a reversible reaction (↔), it means that both the forward and reverse reactions occur. The reaction can proceed in both directions depending on the conditions (such as temperature, pressure, and concentration) and the relative amounts of the reactants and products.

Consider the reaction equation:

N2(g) + 3H2(g) ⇌ 2NH3(g)

In this reaction, the forward reaction is indicated by the formation of NH3 from N2 and H2, while the reverse reaction is indicated by the decomposition of NH3 back into N2 and H2.

This means that both the forward and reverse reactions occur simultaneously and reach a state of dynamic equilibrium. At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction, and there is no net change in the concentrations of the reactants and products.

The equilibrium position of the reaction is determined by the relative concentrations of the reactants and products and is governed by the equilibrium constant, K. The value of K determines the extent to which the reactants are converted into products at equilibrium.

In this case, since the reaction is indicated as a reversible reaction (↔), it means that both the forward and reverse reactions occur. The reaction can proceed in both directions depending on the conditions (such as temperature, pressure, and concentration) and the relative amounts of the reactants and products.

Learn more about NH3 here:

https://brainly.com/question/16558093

#SPJ11

To determine the pH of the buffer, we can use the Henderson-Hasselbalch equation, which relates the pH of a buffer solution to the pKa of the weak acid and the ratio of its conjugate.

Conjugate acid-base pairs differ by one proton. When an acid donates a proton, it forms its conjugate base. Conversely, when a base accepts a proton, it forms its conjugate acid.For example, in the case of acetic acid (CH3COOH), its conjugate base is acetate ion (CH3COO-). Acetic acid can donate a proton (H+) to form the acetate ion, which can accept a proton to reform acetic acid.Another example is ammonia (NH3) and its conjugate acid, ammonium ion (NH4+). Ammonia acts as a base by accepting a proton to form the ammonium ion, which can donate a proton to reform ammonia.Conjugate acid-base pairs are important in buffer systems because they help maintain the pH of a solution within a specific range by resisting changes in pH when small amounts of acid or base are added.

To know more about a solution visit :

https://brainly.com/question/1616939

#SPJ11

True.

Carbon dioxide cannot be liquefied above the critical temperature, even when high pressure is applied. The critical temperature is the highest temperature at which a substance can be liquefied by increasing the pressure. For carbon dioxide, the critical temperature is approximately 31.1°C (87.98°F). Above this temperature, carbon dioxide remains in the gaseous state regardless of the pressure applied.

About carbon dioxide

Carbon dioxide or carbonic acid is a chemical compound consisting of two oxygen atoms covalently bonded to a carbon atom. It is a gas at standard temperature and pressure conditions and is present in the Earth's atmosphere.

You can learn more about Carbon dioxide at https://brainly.com/question/25107550

#SPJ11

There are several changes in blood chemistry that can lead to an increase in respiration.

To know more about blood chemistry visit:

https://brainly.com/question/30453877

#SPJ11

To dilute a liter of fluid that is initially 50% alcohol to a 20% solution, we need to calculate the amount of water that needs to be added.

Let's start by determining the volume of alcohol in the initial 50% solution. Since the solution is 50% alcohol, half of the volume is alcohol, which is 0.5 liters.

Next, we can calculate the desired volume of alcohol in the final 20% solution. We want a total volume of 1 liter for the diluted solution, and the desired concentration of alcohol is 20%. Therefore, the volume of alcohol in the final solution would be 0.2 liters.

To calculate the volume of water needed, we subtract the volume of alcohol in the final solution from the total volume of the final solution:

Volume of water = Total volume of final solution - Volume of alcohol in final solution

Volume of water = 1 liter - 0.2 liters

Volume of water = 0.8 liters

Thus, 0.8 liters of water must be added to the 50% alcohol solution to dilute it to a 20% solution.

To know more about dilute refer here

brainly.com/question28548168/#

#SPJ11

Elements heavier than iron are primarily produced in supernova explosions.

During a supernova, the intense pressure and temperature cause fusion reactions that can create elements heavier than iron.

Additionally, elements can also be created through neutron capture, where a nucleus absorbs neutrons and undergoes beta decay, producing a heavier element.

This process, known as the r-process, occurs during supernovae and other high-energy events such as neutron star mergers.

These heavy elements are then dispersed into the interstellar medium and can become part of new stars and planets.

To know more about supernova explosions refer here

brainly.com/question/14018571#

#SPJ11

The type of intermolecular force between NH₃ molecules is hydrogen bonding ONLY.

NH₃ (ammonia) is a polar molecule due to the presence of a lone pair of electrons on the central nitrogen atom. Each NH₃ molecule contains a nitrogen atom bonded to three hydrogen atoms.

The nitrogen atom is more electronegative than hydrogen, creating a dipole moment where nitrogen carries a partial negative charge (δ-) and each hydrogen carries a partial positive charge (δ+).

Hydrogen bonding occurs when a hydrogen atom is bonded to a highly electronegative atom (such as nitrogen, oxygen, or fluorine) and forms a weak bond with the lone pair of electrons on another electronegative atom. In NH₃, the hydrogen atoms can form hydrogen bonds with the lone pairs of electrons on neighboring NH₃ molecules.

To know more about intermolecular force, refer here:
https://brainly.com/question/31797315
#SPJ11

Ionization usually occurs when an atom absorbs enough energy, such as from heat or light, to cause the electrons to break free from the atom's nucleus. The N₂²⁺ ion is relatively uncommon, but can be observed in certain high-energy environments or during specific chemical reactions.

To know more about atom's nucleus click on below link:

https://brainly.com/question/11801308#

#SPJ11

When designing surface electrodes for detecting ECG signals, I would recommend choosing the electrode with a surface area of 10 cm2. The primary reason is that a larger surface area provides better signal quality due to a lower impedance and decreased susceptibility to noise and motion artifacts.
In the equivalent circuit of an electrode, a larger surface area will result in reduced contact impedance between the electrode and the skin. This is crucial for acquiring high-quality ECG signals, as lower impedance can minimize the impact of noise and signal distortion.
In summary, the 10 cm2 surface electrode option is preferable for detecting ECG signals because it offers better signal quality and lower impedance, ensuring more accurate and reliable results.

When designing surface electrodes for detecting ECG signals, the choice of surface area is crucial. In this scenario, we are given the option to choose between two surface area options - 1 cm2 and 10 cm2.
To make an informed decision, let's first consider the equivalent circuit of an electrode. An electrode's equivalent circuit comprises of three components - the electrode-skin interface resistance, the skin resistance, and the electrode impedance. The electrode-skin interface resistance is affected by the electrode's surface area - a larger surface area would result in a lower interface resistance.
Now, considering the given options, a surface area of 10 cm2 would have a lower interface resistance compared to a surface area of 1 cm2. This would result in a higher quality signal with less noise and artifacts. Additionally, a larger surface area would provide more contact with the skin, resulting in a lower skin resistance. This, in turn, would result in a higher amplitude ECG signal.
Therefore, in conclusion, I would choose the surface electrodes with a surface area of 10 cm2 for detecting ECG signals due to the lower electrode-skin interface resistance and higher amplitude ECG signals.

To know more about susceptibility visit:

https://brainly.com/question/4054549

#SPJ11

The statement is True. Heat is the transfer of thermal energy from one object or substance to another, while thermal energy is the total amount of kinetic energy of the atoms and molecules in an object or substance.

The substance can refer to various things depending on the context in which it is used. Generally speaking, it is a term that describes a physical material or matter with specific properties and characteristics. In chemistry, a substance is a type of matter that has a defined chemical composition and distinct properties, such as melting point, boiling point, and reactivity.

Substances can exist in different states, such as solid, liquid, or gas, and can undergo various physical and chemical changes. substance refers to a fundamental essence or reality that underlies all appearances and changes in the world. This idea is closely associated with metaphysics and ontology, which seek to understand the nature of existence and being.

To know more about Substance refer to-

brainly.com/question/13320535

#SPJ4

Generally, such a solid is classified as c. molecular. A solid that is soft, a poor conductor of heat and electricity, and has a low melting point is typically classified as a molecular solid.

This is because molecular solids consist of discrete molecules held together by relatively weak intermolecular forces such as London dispersion forces, dipole-dipole forces, and hydrogen bonding. These forces are much weaker than the ionic or covalent bonds that hold together ionic or covalent network solids, respectively, which results in lower melting and boiling points, and softer physical properties.

Learn more about molecular: https://brainly.com/question/156574

#SPJ11

The first step in the Grignard reaction is the formation of the Grignard reagent.

This is achieved by adding an organomagnesium halide (R-Mg-X) to an organic compound containing a suitable functional group (such as a carbonyl or a halide).

The reaction mechanism for this process involves a nucleophilic addition reaction. The organomagnesium halide acts as a nucleophile and attacks the carbon atom of the functional group, forming a carbon-magnesium bond.

This bond is polar, with the carbon having a partial positive charge and the magnesium having a partial negative charge.

The addition of the Grignard reagent to the organic compound generates an intermediate, which is then protonated to form the final product.

The Grignard reaction is an important method for the formation of carbon-carbon bonds and is widely used in organic synthesis.

To know more about Grignard reaction refer here

brainly.com/question/31845460#

#SPJ11

To calculate the molarity of the solution, we need to first convert the given values to the appropriate units.Mass of C5H5OH = 354 gram, Volume of solution = 556 milliliters = 556 / 1000 liters = 0.556 liters

The formula for molarity:

Molarity (M) = moles of solute/volume of solution (in litres)

To find the moles of C5H5OH, we need to divide the mass of C5H5OH by its molar mass. The molar mass of C5H5OH can be calculated by summing the atomic masses of its constituent elements:

: 12.01 g/mol

H: 1.008 g/mol (there are 6 hydrogens in C5H5OH)

O: 16.00 g/mol

Molar mass of C5H5OH = (5 * 12.01) + (6 * 1.008) + 16.00 = 81.09 g/mol

Now, we can calculate the moles of C5H5OH:

moles = mass / molar mass

moles = 354 g / 81.09 g/mol

Calculating this expression, we find:

moles ≈ 4.366 mol

Finally, we can calculate the molarity:

Molarity = moles/volume

Molarity = 4.366 mol / 0.556 L

Calculating this expression, we find:

Molarity ≈ 7.85 M

Therefore, the molarity of the solution containing 354 grams of C5H5OH in 556 millilitres of solution is approximately 7.85 M.

Learn more about molarity here ;

https://brainly.com/question/12127540

#SPJ11

Certainly! Let's break down the systematic names of the given esters and explain the nomenclature.

1. C2H5COOCH3: methyl ethanoate

- The prefix "methyl" indicates that the ester is derived from the alkyl group methyl (CH3).

- The parent acid is ethanoic acid, which is derived from the alkane ethane (C2H6) by replacing one hydrogen atom with a carboxyl group (COOH). The ending "-oic acid" indicates the presence of a carboxylic acid.

- The suffix "-ate" is used to indicate the ester form of the acid.

- Therefore, the ester formed from ethanoic acid and methyl alcohol (methanol) is called methyl ethanoate.

2. C3H7CH2CH2COOCH2CH2CH3: propyl butanoate

- The prefix "propyl" indicates that the ester is derived from the alkyl group propyl (C3H7).

- The parent acid is butanoic acid, which is derived from the alkane butane (C4H10) by replacing one hydrogen atom with a carboxyl group (COOH).

- The suffix "-ate" is used to indicate the ester form of the acid.

- Therefore, the ester formed from butanoic acid and propyl alcohol (propanol) is called propyl butanoate.

In summary, systematic names for esters follow the pattern of specifying the alkyl group bonded to the oxygen atom first, followed by the name of the carboxylic acid from which it is derived. The ending "-ate" is used to indicate the ester form of the acid.

To know more about nomenclature refer here

https://brainly.com/question/30560634#

#SPJ11

Statements 1, 2, 4, and 6 are included in Dalton's atomic theory.

The following four statements are included in Dalton's atomic theory:

Atoms of an element are identical.

Atoms of an element can vary in mass.

Atoms of elements combine to form compounds.

All matter is made of atoms.

Statement 1 emphasizes the uniformity and sameness of atoms within an element.

Statement 2 recognizes that atoms of the same element can have different masses, which later led to the discovery of isotopes.

Statement 4 highlights the idea that atoms combine with each other to form compounds through chemical reactions.

Statement 6 is a fundamental principle of Dalton's atomic theory, asserting that all matter, whether it is an element or a compound, is composed of indivisible particles called atoms.

Therefore, statements 1, 2, 4, and 6 are included in Dalton's atomic theory.

Learn more about Dalton's atomic there:

https://brainly.com/question/13157325

#SPJ11

I apologize, but as an AI text-based model, I don't have direct access to specific external data resources such as ALEKS.

However, I can provide you with some general information about the solubility of AgBr and how to approach this problem.

The solubility of a compound, such as AgBr, refers to the maximum amount of that compound that can dissolve in a given amount of solvent at a particular temperature.

The solubility of AgBr can be affected by the presence of other substances in the solvent, such as ammonia (NH3) in this case.

To calculate the solubility of AgBr, you need to know its solubility product constant (Ksp) at 25°C.

The Ksp is an equilibrium constant that represents the product of the concentrations of the dissolved ions raised to the power of their stoichiometric coefficients. Unfortunately, I don't have access to the specific Ksp value for AgBr.

However, I can provide you with a general approach to solving this problem. Assuming you have the Ksp value for AgBr, you can set up the following equilibrium equation:

AgBr(s) ⇌ Ag⁺(aq) + Br⁻(aq)

The Ksp expression for this equilibrium is:

Ksp = [Ag⁺][Br⁻]

At equilibrium, the concentration of Ag⁺ will be equal to the concentration of Br⁻ since they have a 1:1 stoichiometric ratio.

For the solubility of AgBr in pure water, you can assume that the initial concentrations of Ag⁺ and Br⁻ are both zero. Let's say the equilibrium concentration of Ag⁺ and Br⁻ is x M. Thus, you can express the Ksp equation as:

Ksp = x * x = x^2

Solve for x to find the solubility of AgBr in pure water.

For the solubility of AgBr in 0.35 M ammonia (NH3), you would need additional information, such as the formation constant of the Ag(NH3)2+ complex. The presence of ammonia can affect the solubility of AgBr by complexing with the silver ions and shifting the equilibrium.

Without the necessary data, it is challenging to provide an accurate calculation.

If you have access to the Ksp and formation constant values for AgBr and Ag(NH3)2+, I can assist you further in calculating the solubility of AgBr in 0.35 M ammonia.

To know more about AgBr refer here

brainly.com/question/29523752#

#SPJ11

If the substrate were replaced with 3-bromo-3-methylhexane, it would result in a different reaction compared to the original reaction mentioned. The specific details of the reaction and its outcome would depend on the conditions and the nature of the reactants involved.

By substituting the original substrate/reactant with 3-bromo-3-methylhexane, the reaction mechanism and product formation would likely be altered. The chemical reactivity and behavior of 3-bromo-3-methylhexane will differ from the original reactant, potentially leading to different reaction pathways and product formation.

The exact outcome of the reaction with 3-bromo-3-methylhexane would depend on various factors, including the nature of the other reactants, reaction conditions (such as temperature, pressure, and solvent), and the presence of any catalysts or specific reaction mechanisms.

These factors can influence the selectivity, rate, and mechanism of the reaction, resulting in the formation of different products or potentially leading to side reactions.

To determine the specific details of the reaction and the resulting products, a more comprehensive understanding of the reaction conditions and the reactivity of 3-bromo-3-methylhexane with the other reactants is necessary.

Learn more about reactants here :

https://brainly.com/question/30129541

#SPJ11

To determine the density of Freon-11 (CFCl3) at a given temperature and pressure, we can use the ideal gas law. The ideal gas law equation is:

PV = nRT

Where:

P = Pressure

V = Volume

n = Number of moles of gas

R = Ideal gas constant

T = Temperature

We can rearrange the equation to solve for density (ρ):

ρ = (PM) / (RT)

Where:

ρ = Density

P = Pressure

M = Molar mass of the gas

R = Ideal gas constant

T = Temperature

The molar mass of Freon-11 (CFCl3) can be calculated by summing the atomic masses of carbon (C), fluorine (F), and chlorine (Cl) in the chemical formula:

Molar mass of CFCl3 = (Molar mass of C) + 3*(Molar mass of F) + (Molar mass of Cl)

Using the atomic masses from the periodic table:

Molar mass of C = 12.01 g/mol

Molar mass of F = 18.998 g/mol

Molar mass of Cl = 35.453 g/mol

Molar mass of CFCl3 = 12.01 + 3*(18.998) + 35.453

= 137.377 g/mol

Now, let's substitute the values into the equation for density:

P = 5.92 atm

M = 137.377 g/mol

R = 0.0821 L·atm/(mol·K) (ideal gas constant)

T = 166°C = 166 + 273.15 = 439.15 K (convert to Kelvin)

ρ = (P * M) / (R * T)

= (5.92 atm * 137.377 g/mol) / (0.0821 L·atm/(mol·K) * 439.15 K)

Simplifying the equation:

ρ = 8.124 g/L

Therefore, the density of Freon-11 (CFCl3) at 166 degrees Celsius and 5.92 atm is approximately 8.124 g/L.

To know more about Freon-11 refer here

https://brainly.com/question/28456537#

#SPJ11

The stereochemical relationship between the salts formed by (+)-tartaric acid with racemic 1-phenylethanamine is diastereomers. Option B

Why is the stereochemical relationship diastereomers?

The stereochemical relationship between the salts formed by (+)-tartaric acid with racemic 1-phenylethanamine is diastereomers because the two salts have the same molecular formula, but they have different configurations.

They are not mirror images of each other which makes them diastereomers.

They have different physical and chemical properties. For example, the two salts formed by (+)-tartaric acid with racemic 1-phenylethanamine have different melting points and solubilities.

Find more exercises on stereochemical relationship;

https://brainly.com/question/32069869

#SPJ1

Rhodium (Rh) has atomic number 45, so a Rh3+ cation has 42 electrons after losing three electrons.

The electron configuration of neutral Rh is [Kr] [tex]4d^8 5s^1[/tex], where the valence shell contains 9 electrons (8 in the 4d subshell and 1 in the 5s subshell).

When Rh loses three electrons to form Rh3+, the 4d subshell is emptied first. Therefore, the electron configuration of Rh3+ can be written as [Kr] [tex]4d^5[/tex].

The number of d electrons in the valence shell of Rh3+ is 5.

To determine the number of unpaired electron spins, we need to apply Hund's rule, which states that electrons in degenerate orbitals (orbitals with the same energy) will first fill singly with parallel spins before pairing up with opposite spins.

In the case of Rh3+, the five d electrons will first fill the five available d orbitals singly with parallel spins before any pairing occurs. Therefore, there are 5 unpaired electron spins in Rh3+.

To know more about Rhodium (Rh) refer here

brainly.com/question/13449628#

#SPJ11