SO2(g)+Cl2(g)⇌SO2Cl2(g)
K=6.9×10−6 at 1000 K
If a reaction mixture initially contains 0.760 bar each of SO2 and Cl2, what is the partial pressure of SO2Cl2 at equilibrium?

Answer:

Group 8A (or VIIIA) of the periodic table are the noble gases or inert gases: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). The name comes from the fact that these elements are virtually unreactive towards other elements or compounds.

Explanation:

its XE

Answer: sorry hun can’t help with this I was asked different questions when I learned this :,)

Explanation: have a nice day

pH is defined as the negative logarithm (base 10) of the hydrogen ion concentration ([H+]) in a solution. Therefore, option (C) is correct.

In other words, the pH scale measures the acidity or basicity of a solution. The lower the pH value, the more acidic the solution is, and the higher the pH value, the more basic or alkaline the solution is.

For example, pure water has a pH of 7, which is considered neutral, meaning it is neither acidic nor basic. Acids have pH values lower than 7, while bases have pH values greater than 7. The pH scale is important in many areas of chemistry, including biochemistry, environmental science, and medicine.

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The expression of the Ksp is Ksp =  [Ca²+] [2OH-]^2

In the balanced chemical equation for the solute's dissolution, Ksp is defined as the product of the ion concentrations in a saturated solution, each concentration being raised to the power of its stoichiometric coefficient.

Ksp is temperature-dependent and varies with different compounds. It is used to predict the maximum amount of a compound that can dissolve in a given solvent under specific conditions.

We know that we can be able to use the expression that has been given in the problem to arrive at the fact that;

Ksp =  [Ca²+] [2OH-]^2

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Answer:

We need more? What else is in the question? This is unanswerable.

Explanation:

Answer:

Yes, displacement is 45 meters, time is three seconds, and the direction is toward the goal. Velocity is 15 m/s towards the goal.

Explanation:

Hope this helped!

Based on their molecular properties, I would expect that the boiling point of Cl2 would be lower than that of Br2.

The boiling point of a substance is largely determined by the strength of the intermolecular forces between its molecules. In particular, substances with stronger intermolecular forces tend to have higher boiling points.

Both Cl2 and Br2 are halogens and exist as diatomic molecules. However, Br2 has more electrons than Cl2, and as a result, it has more electrons available for intermolecular interactions.

This means that Br2 molecules can form stronger London dispersion forces with each other than Cl2 molecules can. London dispersion forces are the weakest intermolecular force, but they still contribute to the overall strength of intermolecular attractions.

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The volume of 12 gas forms when 21 L Cl2 react at STP is 21 L.

To determine the volume of 12 gas (I assume you mean I2 gas) formed when 21 L of Cl2 reacts at STP (standard temperature and pressure), we need to use the ideal gas law equation.

The ideal gas law equation is given by:

PV = nRT

Where:

P = pressure

V = volume

n = number of moles

R = ideal gas constant

T = temperature

At STP, the pressure is 1 atm, and the temperature is 273.15 K.

From the balanced equation, we can see that the molar ratio between Cl2 and I2 is 1:1. So, if 21 L of Cl2 reacts, it will produce an equal volume of I2 gas.

Given that the volume of Cl2 is 21 L, we can assume the volume of I2 gas formed will also be 21 L.

Therefore, the volume of I2 gas formed is 21 L.

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Answer:0.0303495251

Explanation:

I know the answer looks weird.

If the answer is wrong then the formula for density is mass divided by volume.

Answer: 1.72

Explanation:

Explanation:

potassium oxide is K2O

calcium oxide is CaO

calcium oxide is used to make glass

potassium oxide is used in fertilizer

Answer:

Salt Method of Preparation

(i) Sodium nitrate (b) Neutralisation

(ii) Iron (III) chloride (e) Direct synthesis

(iii) Lead chloride (d) Double decomposition

(iv) Zinc sulphate (a) Simple displacement

(v) Sodium hydrogen sulphate (c) Decomposition by acid

Explanation:

Answer:  Originally Answered: A sample of 0.892g of potassium chloride is dissolved in 54.6g of a water. What is the percent by mass of the potassium chloride in this solution?

Well, take the quotient…

0.892∙g0.892∙g+54.60∙g×100%  percentage by mass potassium chloride

≈2%

Explanation:

Answer:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods

Explanation:

Answer:

Both resulted in gas formation. Both resulted in color change.

Explanation:

Follow me!

Answer:

statement second and third are both corect

Explanation:

When iron(grey) reacts with sulfur(yellow) chemical change takes place in which iron sulfide is formed which black in color.

Fe(s) + S(s)\rightarrow FeS(s)Fe(s)+S(s)→ FeS(s)

When we heat copper sulfate-pentahydrate(blue) ,water molecule present in its crystal will get evaporated and it will become an anhydrous copper sulfate which will be white in color.

CuSO_{4}.5H_{2}O(s)\overset{heat}{\rightarrow} CuSO_{4}(s)+5H_2O(g)CuSO

4

.5H

2

O(s)

→

heat

CuSO

4

(s)+5H

2

O(g)

So, in both the reactions chang

request:

set as brainiest

Answer:

A. The elements that have been discovered so far can be found here.

B. It is arranged by the atomic number (number of protons).

Explanation:

About the Answers:

All the elements that have been discovered are on the periodic table. Scientist know that there are still unknown elements and actually predict what they'll be like and what their properties are. The periodic table is arranged by the increasing number of atomic numbers. The atomic number is main identification of elements and is the amount of protons each element has.  

About the Wrong Answers:

All the compounds that can be created are not found on the periodic table. In fact, there more than nine million organic compounds. The periodic table is not arranged by all of the subatomic particles. While the atomic mass and electron configuration is included, it is not arranged by it.

shared

Covalent bonds are characterized by the sharing of valence electrons.

Electronegativity

Covalent bonds occur between atoms that have similar electronegativity. Remember that electronegativity is how strongly an atom pulls electrons toward itself. So, if 2 atoms have similar electronegativities, then they will pull somewhat equally upon the electrons and share them. Most commonly, covalent bonds occur between nonmetals.

Ionic Bond

The second major form of bonding is ionic bonding. Ionic bonds form when there is a large difference in electronegativities. The difference is great enough that one of the atoms will completely lose one or more electrons, while the other will take the electrons. Since electrons are being transferred, the atoms become ions. Ionic bonds commonly occur between metals and nonmetals.

Answer:

molecules will speed up

Explanation:

The partial charges on each fluorine atom are negative. Option B) The central O atom is the correct answer. Option B

The partial charges in a molecule are determined by the electronegativity values of the atoms involved. Electronegativity is the ability of an atom to attract electrons towards itself in a chemical bond. In the case of \(F_2O\), fluorine (F) is more electronegative than oxygen.

Fluorine is the most electronegative element on the periodic table, meaning it has a high ability to attract electrons. Oxygen is also relatively electronegative but less so than fluorine. When fluorine atoms bond with oxygen, the shared electrons will be pulled more towards the fluorine atoms, creating a polar covalent bond.

In \(F_2O\), each fluorine atom will pull the shared electrons towards itself, resulting in a higher electron density around the fluorine atoms. This creates a region of partial negative charge around the fluorine atoms.

Conversely, the oxygen atom will have a region of lower electron density and, therefore, a partial positive charge. This is because the shared electrons spend more time around the fluorine atoms due to their higher electronegativity.

Option B

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The temperature increase from 20 °C to 46 °C indicates that the reaction between zinc and copper sulfate solution is exothermic, with heat being released into the surroundings.

In the given reaction between zinc and copper sulfate solution, the temperature change can provide insights into the type of heat change occurring during the reaction. Based on the provided information, the initial temperature of the copper sulfate solution was 20 °C, and the final temperature of the mixture after the reaction was 46 °C.

The temperature increase observed in this reaction indicates an exothermic heat change. An exothermic reaction releases heat energy into the surroundings, resulting in a temperature rise. In this case, the reaction between zinc and copper sulfate solution is exothermic because the final temperature is higher than the initial temperature.

During the reaction, zinc displaces copper from copper sulfate to form zinc sulfate and copper metal. This displacement reaction is known as a single displacement or redox reaction. Zinc is more reactive than copper and therefore replaces copper in the compound.

The formation of new chemical bonds during the reaction releases energy in the form of heat. This energy is transferred to the surroundings, leading to an increase in temperature. The heat released is greater than the heat absorbed, resulting in a net increase in temperature.

The exothermic nature of this reaction can be explained by the difference in bond energies between the reactants and products. The breaking of bonds in the reactants requires energy input, while the formation of new bonds in the products releases energy.

In this case, the energy released during the formation of zinc sulfate and copper metal is greater than the energy required to break the bonds in copper sulfate and zinc.

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At equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

1: Write the balanced chemical equation:

\(C_O\)(g) + \(Cl_2\)(g) ⟶ \(C_OCl_2\)(g)

2: Set up an ICE table to track the changes in moles of the substances involved in the reaction.

Initial:

\(C_O\)(g) = 0.3500 mol

\(Cl_2\)(g) = 0.05500 mol

\(C_OCl_2\)(g) = 0 mol

Change:

\(C_O\)(g) = -x

\(Cl_2\)(g) = -x

\(C_OCl_2\)(g) = +x

Equilibrium:

\(C_O\)(g) = 0.3500 - x mol

\(Cl_2\)(g) = 0.05500 - x mol

\(C_OCl_2\)(g) = x mol

3: Write the expression for the equilibrium constant (Kc) using the concentrations of the species involved:

Kc = [\(C_OCl_2\)(g)] / [\(C_O\)(g)] * [\(Cl_2\)(g)]

4: Substitute the given equilibrium constant (Kc) value into the expression:

1.2 x \(10^3\) = x / (0.3500 - x) * (0.05500 - x)

5: Solve the equation for x. Rearrange the equation to obtain a quadratic equation:

1.2 x \(10^3\) * (0.3500 - x) * (0.05500 - x) = x

6: Simplify and solve the quadratic equation. This can be done by multiplying out the terms, rearranging the equation to standard quadratic form, and then using the quadratic formula.

7: After solving the quadratic equation, you will find two possible values for x. However, since the number of moles cannot be negative, we discard the negative solution.

8: The positive value of x represents the number of moles of \(Cl_2\)(g) at equilibrium. Substitute the value of x into the expression for \(Cl_2\)(g):

\(Cl_2\)(g) = 0.05500 - x

9: Calculate the value of \(Cl_2\)(g) at equilibrium:

\(Cl_2\)(g) = 0.05500 - x

\(Cl_2\)(g) = 0.05500 - (positive value of x)

10: Calculate the final value of \(Cl_2\) (g) at equilibrium to get the answer.

Therefore, at equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

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Answer:

See figure 1

Explanation:

In this case, we have to start with the ionization reaction of HBr to produce the hydronium ion (\(H^+\)) and the bromide ion (\(Br^-\)). Then the double bond in the alkene can attack the hydronium ion to produce a carbocation. The most stable carbocation would be the tertiary one, therefore we have to put the positive charge in the tertiary carbon. Then, the bromide attacks the carbocation to produce the final halide.

See figure 1

I hope it helps!

The density (in g/cm³) of a cube of metal that is 2 inches on a side and weighs 444.5 grams is 3.4 g/cm³ (1st option)

First, we shall obtain the volume of the metal. Details below:

Volume = L³

Volume = 5.08³

Volume = 131.1 cm³

Finally, we shall obtain the density of the metal. Details below:

Density = mass / volume

Density of metal = 444.5 / 131.1

Density of metal = 3.4 g/cm³

Thus, we can conclude from the above calculation that the density of the metal is 3.4 g/cm³ (1st option)

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Complete question:

What is the density (in g/cm³) of a cube of metal that is 2 inches on a side and weighs 444.5 grams?

3.4 g/cm³

8.89 g/cm³

55.56 g/cm³

0.180 g/cm³

The vessel will not explode since the new gas pressure is less than 3 atm.

The pressure when the temperature of a given volume of nitrogen gas is heated is calculated using the formula given below:

where;

Solving for P₂

P₂ = P₁ * T₂ / T₁

P₂ = 0.836 * (680 + 273) / (20 + 273)

P₂ = 2.72 atm

The new pressure is less than 3 atm.

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Answer:

11.23 atm

Explanation:

Given

Mass = 13.7 g

Volume = 500mL = 0.5 L

Molar concentration =  \(\frac{\text{Moles}}{\text{Volume}}\\\)

Moles =\(\frac{\text{MassC3H7OH }}{\text{Molar mass C3H7OH }}\) = \(\frac{13.7}{0.5}\)= 0.2279534 moles

Molar concentration =\(\frac{0.2279534}{0.5}\)  = 0.4559 M

π = icRT

where

Osmotic pressure = π

Van't Hoff factor (i) = 1

Molar concentration of solute (c) = 0.4559 M

Ideal gas constant (R) = 0.0821 L.atm/K.mol

Kelvin Temperature (T) = 273 + 27 = 300 K

\(\pi\) = 1 * 0.4559 * 0.0821 * 300

= 11.23 atm

The value of osmotic pressure is 11.23 atm.

\(pi= icRT\)......(1)

where Osmotic pressure = pi

Van't Hoff factor=i=1

Ideal gas constant =R= 0.0821 L.atm/K.mol

Temerature=T,(273 + 27) = 300 K

Concentration=c

Given:-

Mass = 13.7 g

Volume = 500mL = 0.5 L 

Moles = \(\frac{Mass}{Molar mass} =\frac{13.7g}{60.09g/mol} =0.2279534\ mol\)

Molar concentration = \(\frac{0.2279\ mol}{0.5\ L}\) = 0.4559 M

Molar concentration of solute (c) = 0.4559 M

Substitute all the values in equation (1) as follows:-

\(pi = 1 * 0.4559 * 0.0821 * 300= 11.23 atm\)

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If a reaction has a negative ΔG and a positive ΔS, the reaction will be spontaneous at all temperatures.

If a reaction is spontaneous at all temperatures, it implies that the reaction will occur without the need for any external intervention, such as the addition of energy. For a reaction to be spontaneous, it must satisfy the criteria of thermodynamic favorability, which is determined by the change in Gibbs free energy (ΔG) associated with the reaction.

The relationship between ΔG, temperature (T), and the equilibrium constant (K) of a reaction is described by the equation ΔG = ΔH - TΔS, where ΔH is the change in enthalpy and ΔS is the change in entropy.

To ensure spontaneity at all temperatures, two conditions must be met:

ΔG must be negative: A negative ΔG indicates a thermodynamically favorable reaction, meaning the products have a lower Gibbs free energy than the reactants. If ΔG is negative, the reaction will proceed spontaneously in the forward direction.

ΔS must be positive: A positive ΔS signifies an increase in the overall entropy of the system. Higher entropy means more disorder, and spontaneous reactions often involve an increase in randomness. When ΔS is positive, it can compensate for the enthalpic term, ΔH, allowing the reaction to proceed spontaneously.

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The final temperature of the water is: T_final = 45.0°C

We can use the formula for the specific heat capacity of the water to solve this problem:

q = mcΔT

First, we can calculate the initial energy of the water:

q = mcΔT

q = (10.0 g) (4.184 J/g°C) (25.0°C)

q = 1,046 J

Next, we can calculate the final temperature after absorbing 840 J:

q = mcΔT

840 J = (10.0 g) (4.184 J/g°C) (ΔT)

ΔT = 20.0°C

Therefore, the final temperature of the water is:

T_final = T_initial + ΔT

T_final = 25.0°C + 20.0°C

T_final = 45.0°C

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Answer:

Explanation:

H₂CO₃(aq) + H₂O(l) ↔ H₃O⁺(aq) + HCO₃⁻(aq)

Let d be the degree of dissociation

.02( 1-d )                              .02d          .02d

Dissociation constant Ka₁ is given

4.3 x 10⁻⁷  = .02d x .02d / .02( 1-d )

= .004 d² / .02  ( neglecting d in denominator )

= .02 d²

d² = 215 x 10⁻⁷

d = 4.636 x 10⁻³

= .004636

concentration of H₃O⁺

= d x .02

= .004636 x .02

= 9.272 x 10⁻⁵

pH = - log [ H₃O⁺ ]

= - log ( 9.272 x 10⁻⁵ )

5 - log 9.272

= 5 - .967

= 4.033 .