PART OF WRITTEN EXAMINATION:
One method to reduce IR drops through the electrolyte
A) monthly checkups
B) place a reference electrode near the structure
C) galanavic anodes
D) change different types of reference electrodes frequently

The molecular shape of N₂F₂ is linear, with an N-F-N-F arrangement. The electron domain geometry is trigonal planar, but the bond angles in N₂F₂ are 180 degrees due to its linear structure.

The ideal bond angles around N in N₂F₂ using the VSEPR theory, follow these steps:

1. Determine the molecular shape: N₂F₂ has a structure where each N atom is connected to two F atoms and the other N atom, creating a linear shape with an N-F-N-F arrangement.

2. Identify the electron domain geometry: Each nitrogen atom in N₂F₂ has three electron domains (two bonding domains with F atoms and one bonding domain with the other N atom). This gives a trigonal planar electron domain geometry.

3. Determine the ideal bond angles: In a trigonal planar electron domain geometry, the ideal bond angles are The molecular shape of N₂F₂ is linear, with an N-F-N-F arrangement. The electron domain geometry is trigonal planar, but the bond angles in N₂F₂ are 180 degrees due to its linear structure degrees. However, since N₂F₂ has a linear molecular shape, the bond angle between N-F-N and N-N-F will be 180 degrees.

So, the ideal bond angles around N in N₂F₂ are 180 degrees, according to the molecular shape given by the VSEPR theory, with the two N atoms being the central atoms.

To know more about the VSEPR theory refer here :

https://brainly.com/question/14992767#

#SPJ11

There would be approximately [tex]1.65 * 10^{24}[/tex] molecules of hydrogen chloride in 100.00 grams of the gas.

To determine the number of molecules of hydrogen chloride (HCl) in 100.00 grams of the gas, we first need to convert the mass of the gas to moles using its molar mass.

The molar mass of HCl is approximately 36.5 g/mol (1.01 g/mol for hydrogen + 35.45 g/mol for chlorine).

Number of moles of HCl = Mass of HCl / Molar mass of HCl

= 100.00 g / 36.5 g/mol

= 2.74 mol

Next, we can use Avogadro's number [tex](6.022 x 10x^{23} molecules/mol)[/tex] to convert the number of moles of HCl to the number of molecules of HCl:

Number of molecules of HCl = Number of moles of HCl x Avogadro's number

[tex]= 2.74 mol x 6.022 x 10^23 molecules/mol\\= 1.65 x 10^24 molecules\\[/tex]

Therefore, there would be approximately [tex]1.65 * 10^{24}[/tex] molecules of hydrogen chloride in 100.00 grams of the gas.

Learn more about molar mass, here:

https://brainly.com/question/22997914

#SPJ1

The time required for the mixture to reach 65% conversion of p-chlorophenyl isopropyl ether is approximately 51.2 minutes.

The rate law for the given reaction is:

Rate = [tex]k1[A]^1[B]^1[/tex]= k1([p-chlorophenyl isopropyl ether]^1)([bromine]^1)

As the reaction is second order with respect to A and first order with respect to B, the rate law can be written as:

Rate = [tex]k2[A]^2[B]^1 = k2[/tex]([p-chlorophenyl isopropyl ether]^2)([bromine]^1)

Since the reaction is taking place in a batch reactor, the rate of reaction is given by:

Rate = -(1/V)(d[A]/dt)

where V is the volume of the reactor, A is the concentration of p-chlorophenyl isopropyl ether and B is the concentration of bromine.

At 65% conversion, the concentration of p-chlorophenyl isopropyl ether will be:

[p-chlorophenyl isopropyl ether] = (1 - 0.65)(0.02 mol) = 0.007 mol

Substituting the given values in the rate law equation, we get:

k2([p-chlorophenyl isopropyl ether[tex]]^2[/tex])([bromine[tex]]^1[/tex]) = -(1/V)(d[A]/dt)

Assuming that the initial concentrations of A and B are equal, we have:

0.02 mol/L = [A] + [B]

0.018 mol/L = [B]

Substituting these values in the rate law equation, we get:

[tex]k2([0.02 mol/L]^2)([0.018 mol/L]^1) = -(1/20 L)(d[A]/dt)[/tex]

Solving for the rate of reaction, we get:

d[A]/dt = -1.368 × 10⁻⁴ mol/min

At 65% conversion, the concentration of p-chlorophenyl isopropyl ether is 0.007 mol/L. Therefore, the time required for the reaction to reach 65% conversion can be calculated as:

(0.007 mol/L) / (-1.368 × 10^-4 mol/min) = 51.2 minutes (approx.)

Therefore, the time required for the mixture to reach 65% conversion of p-chlorophenyl isopropyl ether is approximately 51.2 minutes.

Learn more about isopropyl

https://brainly.com/question/13869183

#SPJ4

82.67 grams of MgCl₂ are produced when 50.6 grams of Mg(OH)₂ and 45.0 grams of HCl are reacted.

The balanced chemical equation for the reaction between magnesium hydroxide and hydrochloric acid is:

Mg(OH)₂ + 2HCl → MgCl₂ + 2H₂O

To find the mass of MgCl₂ produced, we need to determine which reactant is limiting. This can be done by calculating the number of moles of each reactant and comparing them to the stoichiometric ratio in the balanced equation.

Number of moles of Mg(OH)₂ = 50.6 g / 58.32 g/mol = 0.868 mol

Number of moles of HCl = 45.0 g / 36.46 g/mol = 1.235 mol

According to the balanced equation, 1 mole of Mg(OH)₂  reacts with 2 moles of HCl. Therefore, Mg(OH)₂  is the limiting reactant, since only 0.868 moles of Mg(OH)₂ are available to react with HCl.

From the balanced equation, we know that 1 mole of Mg(OH)₂ produces 1 mole of MgCl₂. Therefore, the number of moles of MgCl₂ produced is also 0.868 moles.

The molar mass of MgCl₂ is 95.21 g/mol. Therefore, the mass of MgCl₂ produced is:

Mass of MgCl₂ = 0.868 mol x 95.21 g/mol = 82.67 g

Therefore, approximately 82.67 grams of MgCl₂ are produced when 50.6 grams of Mg(OH)₂ and 45.0 grams of HCl are reacted.

Learn more about magnesium hydroxide

https://brainly.com/question/21904397

#SPJ4

As an atom's size shrinks, its electronegativity rises. This is due to the fact that electronegativity and atomic size are inversely related. Because of this, the atomic size decreases as electronegativity rises.

The contact between the nucleus and the surrounding electrons is reduced as the atomic radius rises, which results in a decline in electronegativity.

When comparing HNO3 and HNO2, HNO3 is a stronger acid because it has more electronegative atoms (in this case, more oxygen atoms).
When comparing HCIO and HCIO2, HCIO2 is a stronger acid because it has more electronegative atoms (in this case, more oxygen atoms).
When comparing HCIO and HBrO, HCIO is a stronger acid because it has fewer electronegative atoms (in this case, fewer oxygen atoms).
When comparing CCI3COOH and CBr2COOH, CCI3COOH is a stronger acid because it has more electronegative atoms (in this case, more chlorine atoms).

Learn more about electronegativity here

https://brainly.com/question/13557134

#SPJ11

D. All of the choices are correct.

When water freezes, it forms a crystalline structure with open spaces between the molecules, causing it to become less dense than liquid water. This property allows ice to float on top of liquid water, creating a protective layer for organisms in bodies of water. The hydrogen bonding in water molecules also plays a crucial role in this process. Ice is a unique substance because its solid state — ice — is less dense than its liquid state. Because of this property, ice floats in water. Since the water is heavier, it displaces the lighter ice, causing the ice to float to the top.The hydrogen bonding and the cage-like structure of ice are responsible to have lower density.

To know more about hydrogen bonding, click here:-

https://brainly.com/question/30885458

#SPJ11

The mass of the required product that we have is  57.5 g.

We know that if we want to solve the problems that we have at hand then we have to use the stoichiometry of the reaction and that is where we would need the chemical reaction equation.

Now we know that;

2A1+3Ca(NO3)2 →3Ca + 2Al(NO3)3

Number of moles of  Ca(NO3)2 =  67g /164 g/mol

= 0.41 moles

We know that;

3 moles of   Ca(NO3)2  produces 2 moles of Al(NO3)3

0.41 moles of  Ca(NO3)2  produces 0.41 * 2/3

= 0.27 moles

Mass of  Al(NO3)3 = 0.27 moles * 213 g/mol

= 57.5 g

Learn more about stoichiometry:https://brainly.com/question/6755674

#spj1

The conical flask is an important piece of laboratory equipment that is commonly used in experiments that involve mixing, heating, or storing liquids.

In many cases, this flask is used to collect the filtrate that is obtained from the Buchner flask during a filtration process.
The Buchner flask is used to separate solids from liquids by applying vacuum pressure to the mixture. The solid particles are trapped by a filter paper placed on top of the flask, while the liquid passes through the filter paper and collects in the flask below. This liquid is referred to as the "filtrate".
When the filtrate is collected in the Buchner flask, it is not always perfectly clean. Sometimes there may be small particles of solid material or other contaminants that are still present in the liquid. In order to ensure that the conical flask is free of any contaminants before it is used to store the filtrate, it is important to rinse it with the filtrate from the Buchner flask.
This is because the rinsing process helps to remove any remaining particles or impurities that may be present in the conical flask. By doing this, the filtrate that is collected in the conical flask is less likely to be contaminated, which can help to ensure the accuracy and reliability of any experiments that rely on this liquid.
Overall, rinsing the conical flask with the filtrate from the Buchner flask is an important step in the filtration process, as it helps to ensure that the filtrate is free from contaminants and ready for use in further experiments.

To learn more about conical flask, refer:-

https://brainly.com/question/24222572

#SPJ11

To calculate the solubility of SrCO3 in water at 25°C, we need to use the Ksp value given in the Aleks data tab. Ksp is the solubility product constant and it tells us how much of a solid can dissolve in a solvent. The Ksp value for SrCO3 is 3.3 x 10^-9 at 25°C.

This means that if we dissolve SrCO3 in water, it will only dissolve to a certain extent before reaching its maximum solubility. To calculate the solubility of SrCO3, we can use the following formula: Ksp = [Sr2+][CO32-] where [Sr2+] and [CO32-] are the molar concentrations of the ions in solution. Since SrCO3 dissociates into one Sr2+ ion and one CO32- ion, we can assume that the molar concentration of Sr2+ is equal to the molar concentration of CO32-. Let x be the solubility of SrCO3 in mol/L. Then, we have: Ksp = x^2 x = sqrt(Ksp) x = sqrt(3.3 x 10^-9) = 5.7 x 10^-5 mol/L To convert this to g/L, we need to use the molar mass of SrCO3, which is 147.63 g/mol. 5.7 x 10^-5 mol/L x 147.63 g/mol = 0.0084 g/L Rounding to 2 significant digits, the solubility of SrCO3 in water at 25°C is 0.0084 g/L.

Learn more about solubility here-

https://brainly.com/question/31493083

#SPJ11

Ionic compounds typically consist of a metal (cation) and a non-metal (anion) element, and they form a strong bond due to the transfer of electrons.

To write the name of ionic compounds, follow these steps:

1. Identify the cation (positive ion) and anion (negative ion) in the compound. In your example, sodium is the cation and fluoride is the anion.

2. Write the name of the cation first, which is "sodium" in this case.

3. Next, write the name of the anion, but replace the ending with "-ide." For fluoride, it becomes "fluoride."

4. Combine the names of the cation and anion. In this example, the ionic compound's name is "sodium fluoride."

Remember that ionic compounds typically consist of a metal (cation) and a non-metal (anion) element, and they form a strong bond due to the transfer of electrons.

Visit here to learn more about fluoride :

brainly.com/question/3795082

#SPJ11

A lower concentration of a reactant can result in a slower reaction rate.

The concentration of a reactant in a solution can affect the rate at which a reaction proceeds. In this case, the student who used a 1.5 m solution of HNO₃(aq) may have observed a slower reaction rate compared to the other students who used a 15.8 m solution of HNO₃(aq).

The rate of a chemical reaction depends on several factors, including the concentration of reactants, the temperature of the reaction mixture, the surface area of any solids, and the presence of catalysts. The concentration of a reactant is particularly important because it determines the number of reactant particles available to react per unit volume of the solution. If the concentration is low, there will be fewer reactant particles colliding with each other, which can result in a slower reaction rate.

In this case, the student who used a 1.5 m solution of HNO₃(aq) may have had fewer HNO₃ molecules available to react compared to the other students who used a higher concentration of the acid. As a result, the reaction proceeded more slowly.

It's also important to note that the reaction rate may depend on other factors besides the concentration of HNO₃, such as the nature of the other reactants and the conditions under which the experiments were conducted.

To know more about reaction rate, refer to the link below:

https://brainly.com/question/30546888#

#SPJ11

Complete Question:

15) In one student's experiment the reaction proceeded at a much slower rate than it did in the other students' experiments. Which of the following could explain the slower reaction rate? O The student did not perform the experiment in the fume hood. O The student used a 1.5 M solution of HNO3(aq) instead of a 15.8 solution of HNO3(aq). O The student used a 3.00 g sample of the mixture instead of the 2.00 g sample that was used by the other students. In the student's sample the metal pieces were much smaller than those in the other students' samples. O The student heated the reaction mixture as the HNO3(aq) was added.

The compound that is a tertiary halogenoalkane is D. CH3CH2C(CH3)2Br, since it has a tertiary carbon (bonded to three other carbon atoms).

A halogen atom (Br, Cl, I, or F) is joined to a carbon atom that is connected to three more carbon atoms to form a tertiary halogenoalkane. Option D creates a tertiary halogenoalkane by bonding the Br-attached carbon atom to three additional carbon atoms. The Br-attached carbon is connected to two other carbon atoms, making Option A a secondary halogenoalkane. Because the carbon atom with the Br attached is only connected to one other carbon atom, option B is a primary halogenoalkane. Because the Br-attached carbon is connected to two additional carbon atoms, option C also qualifies as a secondary halogenoalkane.

learn more about halogenoalkane here:

https://brainly.com/question/30477930

#SPJ11

Azides, cyanides, hydrides, perchlorates, and sulfides are typically reactive reducing agents or oxidizing agents, which can donate or accept electrons and undergo chemical reactions. Therefore the correct option is option D.

Depending on the particular chemical, a different class of compounds may be incompatible with them.

Therefore the correct option is option D.

For such more question on reducing agents:

brainly.com/question/18370994

#SPJ11

Ni²⁺ is the only ion on the list that can exist as both a high-spin and a low-spin octahedral complex. So, the correct answer is B. Ni²⁺.

An electrostatic model called the crystal field theory (CFT) assumes that the metal-ligand connection is ionic and results only from electrostatic interactions between the metal ion and the ligand. When dealing with anions, ligands are viewed as point charges, and when dealing with neutral molecules, as dipoles.

The crystal field splitting theory predicts that some transition metal ions can exist as either high-spin or low-spin octahedral complexes, depending on the magnitude of the crystal field splitting parameter (Δ) relative to the pairing energy (P).

Of the ions listed, the only one that could exist as either a high-spin or a low-spin octahedral complex is Ni²⁺ (B).

Mn²⁺ (A) is a d⁵ ion and will always form a high-spin octahedral complex due to its large number of unpaired electrons.

Sc³⁺ (C) is a d⁰ ion and does not form octahedral complexes with ligands.

Cu²⁺ (D) is a d⁹ ion and typically forms a low-spin octahedral complex due to the stability of the half-filled d⁹ configuration.

Zn²⁺ (E) is a d¹⁰ ion and does not have any unpaired electrons to undergo spin pairing, so it will always form a low-spin octahedral complex.

Therefore, the correct answer is B) Ni²⁺.

Learn more about crystal field theory on:

https://brainly.com/question/23840749

#SPJ11

A balanced equation obey the law of conservation of mass, the mass can neither be converted nor  be destroyed but can converted from one form to another. Here the given reaction indicates Haber process.

The ratio of the product of concentrations of the products to that of the reactants is also known as the concentration quotient and it is denoted as Q. At equilibrium Q becomes equal to the equilibrium constant.

The Haber process is:

N₂ + 3H₂ → 2NH₃

Q = [NH₃]² / [N₂] [H₂]³

Q = [0.0596]² / [0.600] [0.420]

Q = 0.014

Here Q is less than K, so the reaction proceeds in the forward direction.

To know more about Haber process, visit;

https://brainly.com/question/21867752

#SPJ1

1. Sodium Carbonate: Yes, the solubility of sodium carbonate changes with pH. At a pH of 11.2, the solubility of sodium carbonate is at its highest, with a solubility of 111.1 g/L.

At a pH below 11.2, the solubility of sodium carbonate decreases; at a pH above 11.2, the solubility of sodium carbonate increases, but not as dramatically as at a pH of 11.2.

This is due to the fact that at a pH of 11.2, the concentration of carbonate ions is at its highest, and the solubility of sodium carbonate is largely dependent on the concentration of carbonate ions.

Know more about Sodium Carbonate here

https://brainly.com/question/13645481#

#SPJ11

To create a concise informative plot for each of the terms listed, the following items are required: 1. Reaction, Chemicals or System Being Investigated:
Title: Give a descriptive title that clearly indicates the nature of the investigation.
Axes: Label the x-axis and y-axis with the appropriate variables that are being measured.
Data: Plot the data points on the graph.
Table with Headers Containing Units: Create a table that displays the data collected during the experiment, with headers containing units.
Name or Symbol of the Variable: Clearly identify the variables being measured, either by their name or symbol.

2. Special Conditions of the Experiment:
Title: Include the special conditions being tested in the title.
Axes: Label the x-axis and y-axis with the appropriate variables that are being measured.
Data: Plot the data points on the graph.
Table with Headers Containing Units: Create a table that displays the data collected during the experiment, with headers containing units.
Name or Symbol of the Variable: Clearly identify the variables being measured, either by their name or symbol.

3. Best Fit Line or Curve with an Equation:
Title: Give a descriptive title that clearly indicates the nature of the investigation.
Axes: Label the x-axis and y-axis with the appropriate variables that are being measured.
Data: Plot the data points on the graph.
Best Fit Line or Curve with an Equation: Draw the best fit line or curve through the data points and display the equation on the graph.
Units (if any): Include units on the axes and in the equation.
Name or Symbol of the Variable: Clearly identify the variables being measured, either by their name or symbol.

4. Units (if any):
Title: Give a descriptive title that clearly indicates the nature of the investigation.
Axes: Label the x-axis and y-axis with the appropriate variables that are being measured, including their units.
Data: Plot the data points on the graph.
Table with Headers Containing Units: Create a table that displays the data collected during the experiment, with headers containing units.
Name or Symbol of the Variable: Clearly identify the variables being measured, either by their name or symbol.

5. Table with Headers Containing Units:
Title: Give a descriptive title that clearly indicates the nature of the investigation.
Axes: Label the x-axis and y-axis with the appropriate variables that are being measured.
Table with Headers Containing Units: Create a table that displays the data collected during the experiment, with headers containing units.
Name or Symbol of the Variable: Clearly identify the variables being measured, either by their name or symbol.

To know more about chemical reaction, refer

https://brainly.com/question/25769000

#SPJ11

The solubility of Zinc hydroxide, Zn(OH)₂, in water when dilute nitric acid is added to it will decrease. Option D

Zinc hydroxide is an insoluble salt that can dissolve in water to a certain extent. The solubility of Zn(OH)₂ in water is relatively low, but it can be increased by adding an acid. When dilute nitric acid is added toZn(OH)₂the acid will react with the hydroxide ions (OH-) in the salt to form water and a nitrate salt.

The reaction can be represented as follows:

Zn(OH)₂(s) + 2HNO₃(aq) → Zn(NO₃)₂(aq) + 2H₂O(l)

As a result of this reaction, the concentration of hydroxide ions in the solution decreases, which leads to a decrease in the solubility of Zn(OH)₂. Therefore, the correct answer is D, which states that the solubility of Zn(OH)₂ decreases when dilute nitric acid is added to it.

Learn more about  Zinc hydroxide,

https://brainly.com/question/28232373

#SPJ4

Answer:

Both crayon melting in the sun and beating an egg are examples of physical changes. In both cases, the chemical composition of the substances does not change. Instead, the changes are physical in nature. When a crayon melts in the sun, it changes from a solid to a liquid, but it is still made up of the same molecules. Similarly, when an egg is beaten, it changes from a liquid to a mixture of liquids and solids, but the chemical composition of the egg does not change.

Explanation:

If 100. 0 ml of a 0. 5 M solution of HCl is diluted by adding water to a final volume of 500. 0 ml, 0.1 M  is the concentration of the diluted solution.

To calculate the dilution concentration, we use the following formula:

[tex]M_1V_1 =M_2V_2[/tex]

where M is the molarity

V is the volume of the solution

In the first solution,

M = 0.5 M

V = 100 mL

In the second solution,

V = 500 mL

Therefore, according to the equation,

0.5 * 100 = 500 * M

M = 0.1 M

The final molarity of the solution after dilution is 0.1 M.

Learn more about Molarity:

https://brainly.com/question/17138838

#SPJ4

There are 0.1247 moles of calcium in 5.00 g of calcium.

The formula to calculate the number of moles is:

moles = mass (in grams) / molar mass

Substituting the values we have:

moles of calcium = 5.00 g / 40.08 g/mol

moles of calcium = 0.1247 mol

A mole is a unit of measurement that represents a certain number of particles. Specifically, one mole of a substance contains Avogadro's number of particles, which is approximately 6.02 x 10^23. These particles can be atoms, molecules, ions, or any other type of particle that can exist in a chemical system.

The concept of moles is important because it allows chemists to easily convert between the mass of a substance and the number of particles it contains. This is because the molar mass of a substance, which is the mass of one mole of that substance, is equal to the sum of the atomic masses of all the atoms in one molecule of that substance. This means that if you have 18 grams of water, you have one mole of water, and if you have any other mass of water, you can easily calculate how many moles of water you have using the molar mass.

To learn more about Moles visit here:

brainly.com/question/31597231

#SPJ4

-1. Lithium: Used in treating bipolar disorder as a mood stabilizer.
2. Bismuth: Found in medications to treat gastrointestinal issues, such as Pepto-Bismol.
3. Cobalt: Present in vitamin B12, essential for metabolism and red blood cell production.
4. Iron: Crucial for the production of hemoglobin, which carries oxygen in red blood cells.

Lithium is used as a mood stabilizer in the treatment of bipolar disorder.
- Bismuth is used as an antacid and to treat stomach ulcers.
- Cobalt is a component of vitamin B12, which is essential for the formation of red blood cells and the proper functioning of the nervous system.
- Iron is crucial for the production of hemoglobin in red blood cells, which carries oxygen throughout the body. It is also important for immune function and cognitive development.
these metals with their medical uses or biological functions:

1. Lithium: Used in treating bipolar disorder as a mood stabilizer.
2. Bismuth: Found in medications to treat gastrointestinal issues, such as Pepto-Bismol.
3. Cobalt: Present in vitamin B12, essential for metabolism and red blood cell production.
4. Iron: Crucial for the production of hemoglobin, which carries oxygen in red blood cells.

learn more about production of hemoglobin

https://brainly.com/question/31234291

#SPJ11

The formulas for the following coordination compounds:

(i) Tetraamminediaquacobalt(III) chloride: [Co(NH₃)₄(H₂O)₂]Cl₃;

(ii) Potassium tetracyanonickelate(II): K₂[Ni(CN)₄];

(iii) Tris(ethane−1,2−diamine) chromium(III) chloride: [Cr(en)₃]Cl₃;

(iv) Amminebromidochloridonitrito-N-platinate(II): [Pt(NH₃)₂BrCl(NO₂)];

(v) Dichloridobis(ethane−1,2−diamine)platinum(IV) nitrate: [PtCl₂(en)₂]NO₃;

(vi) Iron(III) hexacyanoferrate(II): [Fe(H₂O)₆][Fe(CN)₆].

(i) Tetraamminediaquacobalt(III) chloride: [Co(NH₃)₄(H₂O)₂]Cl₃
The coordination sphere of the complex contains cobalt (III) ion surrounded by four ammine (NH₃) ligands and two aqua (H₂O) ligands. The counter ion, chloride (Cl⁻), is outside the coordination sphere and hence written in square brackets.

(ii) Potassium tetracyanonickelate(II): K₂[Ni(CN)₄]
The coordination sphere of the complex contains nickel (II) ion surrounded by four cyano (CN⁻) ligands. The two potassium (K⁺) ions are outside the coordination sphere and hence written separately.

(iii) Tris(ethane−1,2−diamine) chromium(III) chloride: [Cr(en)₃]Cl₃

The coordination sphere of the complex contains chromium (III) ion surrounded by three ethane-1,2-diamine (en) ligands. The counter ion, chloride (Cl⁻), is outside the coordination sphere and hence written in square brackets.

(iv) Amminebromidochloridonitrito-N-platinate(II): [Pt(NH₃)₂BrCl(NO₂)]
The coordination sphere of the complex contains platinum (II) ion surrounded by two ammine (NH₃) ligands, one bromido (Br⁻) ligand, one chlorido (Cl⁻) ligand, and one nitrito (NO₂⁻) ligand.

(v) Dichloridobis(ethane−1,2−diamine)platinum(IV) nitrate: [PtCl₂(en)₂]NO₃
The coordination sphere of the complex contains platinum (IV) ion surrounded by two ethane-1,2-diamine (en) ligands and two chlorido (Cl⁻) ligands. The counter ion, nitrate (NO₃⁻), is outside the coordination sphere and hence written in square brackets.

(vi) Iron(III) hexacyanoferrate(II): [Fe(H₂O)₆][Fe(CN)₆]
The coordination sphere of the complex contains two entities. The first entity contains iron (III) ion surrounded by six aqua (H₂O) ligands. The second entity contains hexacyanoferrate (II) ion, which is coordinated to the first entity through cyanide (CN⁻) ligands. The two entities are separated by a square bracket.

To know more about coordination compounds, refer to the link below:

https://brainly.com/question/29766591#

#SPJ11

The reaction which represents an acid-base reaction is HBr + KOH → KBr + H₂O. Option 3 is correct.

An acid-base reaction, also known as a chemical reaction or a neutralization reaction, is a type of chemical reaction that involves the transfer of protons (H⁺) between an acid and a base. Acids are the substances which can donate protons, while bases are substances that can accept protons.

In an acid-base reaction, the acid donates a proton (H⁺) to the base, forming water (H₂O) and a salt. The salt is typically formed by the cation of the base combining with the anion of the acid.

For example; HBr + KOH → KBr + H₂O

This chemical equation represents an acid-base reaction between hydrobromic acid (HBr) and potassium hydroxide (KOH). In this reaction, HBr donates a proton (H⁺) to KOH, which acts as a base and accepts the proton to form water (H₂O), while KBr is formed as a salt. This is a classic example of an acid-base reaction, where an acid and a base react to form a salt and water.

Hence, 3. is the correct option.

To know more about acid-base reaction here

https://brainly.com/question/15209937

#SPJ1

The hydrogen sulfite or bisulfite ion (HSO3-) can act as an acid or a base in water, depending on the solution's pH. When HSO3- is in an acidic solution, it can act as a base and accept a proton to form the sulfurous acid (H2SO3):
HSO3- + H3O+ → H2SO3 + H2O

In this reaction, the HSO3- ion accepts a proton (H+) from the hydronium ion (H3O+) to form the sulfurous acid (H2SO3). The reaction's forward direction can be driven by increasing the acidity of the solution or by adding more H3O+ ions.On the other hand, when HSO3- is in a basic solution, it can act as an acid and donate a proton to form the sulfite ion (SO32-):HSO3- + OH- → SO32- + H2O.In this reaction, the HSO3- ion donates a proton (H+) to the hydroxide ion (OH-) to form the sulfite ion (SO32-). The reaction's forward direction can be driven by increasing the solution's basicity or by adding more OH- ions.It is important to note that HSO3- is a weak acid, and its hydrolysis reaction can be influenced by various factors such as temperature, pressure, and the presence of other ions in the solution. Additionally, HSO3- is a sulfite ion that is commonly found in food and beverage products as a preservative. People who are sensitive to sulfites may experience allergic reactions after consuming foods or drinks that contain them.

Learn more about hydrogen here

https://brainly.com/question/24433860

#SPJ11

The Gibbs energy change is a better parameter which is used to determine the spontaneity or feasibility of a process. If the value of Gibbs free energy change is negative, then the process is spontaneous.

The maximum amount of energy available to the system that can be converted into useful work during a process is called the Gibbs energy. It is denoted by G.

The equation connecting equilibrium constant and G is:

ΔG° = -RT lnK

-8.314 × 298 × ln 4.6 × 10⁻² = 7.62 kJ

E°cell = 0.0592/n log K

0.0592 / 2 log 4.6 × 10⁻² = -0.022 V

To know more about Gibbs free energy, visit;

https://brainly.com/question/9179942

#SPJ1

A heating curve illustrates the changes in the temperature and physical state of a substance as it is heated (Option D).

The changes in the temperature and physical state shows how the substance absorbs heat and undergoes changes in its physical state, such as melting or boiling, as its temperature increases. It does not illustrate chemical changes that may occur. It also indicates phase transitions, such as melting and boiling points, where the substance changes its physical state.

Learn more about heating curve: https://brainly.com/question/10481356

#SPJ11

The correct option is D, The answer of ΔG f° for Ag2O(s) is -11.2 kJ/mol.

ΔG = ΔG° + RT ln Q

At equilibrium, Q = K. Therefore:

ΔG° = -RT ln K

Plugging in the given values, we get:

ΔG° = -(8.314 J/(mol·K) × 298 K) × ln(8.44 × 10³)

ΔG° = -11.2 kJ/mol

Equilibrium refers to a state where the rate of the forward reaction is equal to the rate of the reverse reaction, resulting in no net change in the concentration of reactants or products. This means that the system is balanced and has reached a stable state.

Equilibrium is an important concept in chemical reactions, as it determines the extent to which a reaction will proceed. The equilibrium constant (Kc) is a quantitative measure of the position of the equilibrium and is used to calculate the concentrations of reactants and products at equilibrium. Le Chatelier's principle is a useful tool to predict how a system will respond to changes in temperature, pressure, or concentration. For example, if the concentration of reactants is increased, the system will shift towards the products to restore equilibrium.

To learn more about Equilibrium visit here:

brainly.com/question/30807709

#SPJ4