a generic salt, ab3 , has a molar mass of 151 g/mol and a solubility of 7.60 g/l at 25 °c. what is the sp of this salt at 25 °c? ab3(s)↽−−⇀a3 (aq) 3b−(aq)

The method that could be used to separate the components of gasoline is (A) fractional distillation.

This process involves heating the mixture to vaporize the components, then cooling and condensing them at different temperatures based on their boiling points. Through this process, the various components of gasoline such as hydrocarbons, additives, and impurities can be separated and purified.

Fractional distillation is a process used to separate a mixture of two or more liquids with different boiling points. It involves heating the mixture and then collecting the vapor as it condenses at different temperatures.

Here is a brief summary of the fractional distillation process:

Heat the mixture: The mixture is heated in a distillation apparatus.

Vaporization: As the mixture is heated, the liquid with the lowest boiling point vaporizes first.

Fractionation: The vapors rise up a fractionating column, which provides a large surface area for vapor-liquid contact.

Condensation: As the vapors rise through the column, they cool down and condense back into liquid form when they encounter a cooler surface.

Revaporization: The condensed liquid is then reheated by the rising hot vapors, allowing it to revaporize.

Separation: Components with lower boiling points condense and revaporize more readily, leading to a separation based on boiling points.

Collection: The separated components are collected at different levels of the column, with the most volatile component collected at the top and the least volatile component collected at the bottom.

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Explanation

Given:

ΔG° = 13.8 kJ/mol = (13.8 x 1000) J/mol = 13800 J/mol

Temperature, T = 25.0°C. = 25.0°C + 273 = 298.0 K

What to find:

the value of the equilibrium constant, K for the reaction at 25.0°C.

Step-by-step solution:

Both K and ΔG° can be used to predict the ratio of products to reactants at equilibrium for a given reaction.

ΔG° is related to K by the equation ΔG°= −RTlnK.

R is the molar gas constant, ( R = 8.3144598 J/K/mol)

If ΔG° < 0, then K > 1, and products are favored over reactants at equilibrium.

The next step is to substitute the values of ΔG° and T into the equation to get K.

ΔG°= −RTlnK

13800 J/mol = -(8.3144598 J/K/mol x 298 K x lnK)

13800 J/mol = -(2477.70902 J/mol x lnK)

Divide both sides by 2477.70902 J/mol

The period of development from fertilized egg to birth is known as \({ \bf{ \underbrace{prenatal\: development}}}\).

\(\bold{ \green{ \star{ \orange{Mystique35}}}}⋆\)

The value of ΔH for the reaction CO(g) + H₂(g) + O₂(g) → CO₂(g) + H₂O(g) is -1272 kJ.

To calculate the enthalpy change (ΔH) for the given reaction, we can use Hess's law, which states that the overall enthalpy change of a reaction is equal to the sum of the enthalpy changes of the individual reactions involved.

Given the enthalpy changes:

1. 2 C(s) + O₂(g) → 2 CO(g)... ∆H = -222 kJ

2. C(s) + O₂(g) → CO₂(g)... ∆H = -394 kJ

3. 2 H₂(g) + O₂(g) → 2 H₂O(g)... ∆H = -484 kJ

We need to manipulate these reactions to obtain the desired reaction:

1. Reverse reaction 2: CO₂(g) → C(s) + O₂(g)... ∆H = +394 kJ

2. Multiply reaction 2 by 2 to balance carbon atoms: 2 CO₂(g) → 2 C(s) + 2 O₂(g)... ∆H = -788 kJ

3. Leave reaction 3 unchanged: 2 H₂(g) + O₂(g) → 2 H₂O(g)... ∆H = -484 kJ

By adding reactions 2 and 3, we obtain the desired reaction:

CO(g) + H₂(g) + O₂(g) → CO₂(g) + H₂O(g)... ∆H = -788 kJ + (-484 kJ) = -1272 kJ

Therefore, the value of ΔH for the given reaction is -1272 kJ.

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The volume of ethane gas, C₂H₆ in cm³ that will react to produce 40 cm³ of CO₂ is 20 cm³

2C₂H₆ + 7O₂ —> 4CO₂ + 6H₂O

From the balanced equation above,

4 cm³ of CO₂ were obtained from 2 cm³ of C₂H₆

From the balanced equation above,

4 cm³ of CO₂ were obtained from 2 cm³ of C₂H₆

Therefore,

40 cm³ of CO₂ will be obtain from = (40 × 2) / 4 = 20 cm³ of C₂H₆

Thus, 20 cm³ of C₂H₆ are required for the reaction.

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To convert the pressure from inches of mercury (in Hg) to other units, we can use conversion factors:

1 atm = 29.92 in Hg

1 mmHg = 0.03937 in Hg

1 psi = 0.068046 atm

1 Pa = 0.0002953 in Hg

a. Converting to atm:

Pressure in atm = Pressure in in Hg x (1 atm/29.92 in Hg)

Pressure in atm = 24.9 x (1/29.92)

Pressure in atm = 0.832 atm

b. Converting to mmHg:

Pressure in mmHg = Pressure in in Hg x (1 mmHg/0.03937 in Hg)

Pressure in mmHg = 24.9 x (1/0.03937)

Pressure in mmHg = 632.8 mmHg

c. Converting to psi:

Pressure in psi = Pressure in in Hg x (1 atm/29.92 in Hg) x (1 psi/0.068046 atm)

Pressure in psi = 24.9 x (1/29.92) x (1/0.068046)

Pressure in psi = 0.352 psi

d. Converting to Pa:

Pressure in Pa = Pressure in in Hg x (1 Pa/0.0002953 in Hg)

Pressure in Pa = 24.9 x (1/0.0002953)

Pressure in Pa = 84402 Pa

Therefore, the pressure in Denver, Colorado is approximately 0.831 atm, 632.46 mmHg, 12.22 psi, and 84022 Pa.

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Answer:

11.0 L

Explanation:

Podemos resolver este problema usando la ley de Charles, que afirma que a presión constante:

Donde el subíndice 1 indica las condiciones iniciales y el 2 las finales. En este caso:

Introducimos los datos:

Y calculamos V₂:

Answer:

lemon juice............

The solubility product constant, Ksp, of the aluminum hydroxide, Al(OH)₃ at the temperature is 1.91×10¯³⁹

The solubility of product (Ksp) is defined as the concentration of products raised to their coefficient coefficients. This is illustrated below:

mA <=> nC + eD

Ksp = [C]^n × [D]^e

With the above information in mind, we can obtain the solubility of the product. This is illustrated below:

Al(OH)₃(aq) → Al³⁺(aq) + 3OH¯(aq)

From the balanced equation above,

1 mole of Al(OH)₃ contains 1 mole of Al³⁺ and 3 moles of OH¯

From the balanced equation above,

1 mole of Al(OH)₃ contains 1 mole of Al³⁺ and 3 moles of OH¯

Therefore,

2.9×10¯⁹ M Al(OH)₃ will also contain

Concentration of Al³⁺ = 2.9×10¯⁹ M

Concentration of OH¯ = 8.7×10¯⁹ M

Solubility product (Ksp) =?

Al(OH)₃(aq) → Al³⁺(aq) + 3OH¯(aq)

Ksp = [Al³⁺] × [OH¯]³

Ksp = 2.9×10¯⁹ × (8.7×10¯⁹)³

Ksp = 1.91×10¯³⁹

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Answer

0.009 mol/L

Explanation

Given:

Mass of KCl = 0.66 g

Volume of water = 700 mL = 0.7 L

From the periodic table: 1 mol K = 39.10 g; 1 mol Cl = 35.453 g

What to find:

The molarity of the solution

Step-by-step solution:

The formula to calculate molarity is:

The first step is to calculate the molar mass of KCl

KCl = Mass of 1 mol K + Mass of 1 mol Cl

KCl = 39.10 g + 35.453 g

KCl = 74.553 g

So the molar mass of KCl = 74.553 g/mol

The next step is to determine the number of moles of KCl in 0.66g of KCl:

Put the values of mole and volume into the molarity formula above to determine the molarity of the solution:

The molarity is 0.009 mol/L

Answer:

Am not so sure but I think that your ans is a

Answer:

D.

Explanation:

Because that's what every mammal has that lives on land. (Whales and dolphins are mammals)

Answer:

D. Ionic compound

Explanation:

Just based on my opinion

Correct me if I'm wrong tnx:<

Dihydrogen monoxide is a covalent compound. Option A is correct.

Covalent compounds are compounds that are held together by covalent bonds. Covalent bonds are formed when two atoms share electrons. In dihydrogen monoxide, the two hydrogen atoms share a pair of electrons with the oxygen atom. This forms a molecule of water, which is a covalent compound.

Ionic compounds are compounds that are held together by ionic bonds. Ionic bonds are formed when one atom donates electrons to another atom. In an ionic compound, the electrons are not shared, but are transferred from one atom to another. The molecular formula for dihydrogen monoxide is H₂O.

The difference between a molecular formula and an empirical formula is that the molecular formula shows the actual number of atoms of each element in a molecule, while the empirical formula shows the simplest ratio of the atoms of each element in a molecule. Option A is correct.

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Answer:

Hydrogen peroxide is used to restore the colour of old oil paintings containing lead oxide.

When an oil painting is constantly exposed to the atmosphere, the traces of hydrogen sulphide gas present in the atmosphere slowly blackens the painting by converting lead oxide (white) to lead sulphide (black).

Explanation:

Answer:

You Already know It's used to restore Old Artifacts,What new Thing You'd like to know about it?

Answer:

To me a two column proof is usually associated with Euclidean Geometry.

To use it here in this rather simplistic problem is like using a sledge hammer to drive in a finishing nail ...

here is what I would do

7y=8x-14; y=6

then:

42 = 8x - 14

56 = 8x

x = 56/8 = 7

There! I have proven it.

Explanation:

As a result, oxygen exerts a pressure of 0.5 atm.

1013.25 mbar is the atmospheric pressure at sea level (under normal atmospheric circumstances). Here, nitrogen (78.08% vol), oxygen (20.95% vol), argon (0.93% vol), and carbon dioxide (0.040% vol) make up the majority of the dry air.

If nitrogen is responsible for 90% of the total pressure, oxygen is responsible for the remaining 10%.

First, let's calculate the pressure that nitrogen exerts:

Pressure of nitrogen = 90% of total pressure

= 0.9 * 5.0 atm

= 4.5 atm

Now, we can find the pressure exerted by oxygen:

Pressure of oxygen = 10% of total pressure

= 0.1 * 5.0 atm

= 0.5 atm.

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Answer:

Bohr diagram shows electrons orbiting the nucleus. Nitrogen has 7 electrons orbiting the nucleus

Lewis structure is the simplified Bohr diagram. It only shows the electrons in the outer shell. For Nitrogen, 2 electrons are in the first shell. The remaining 5 electrons are in the outer shell.

Explanation:

Bohr diagram shows electrons orbiting the nucleus. Nitrogen has 7 electrons orbiting the nucleus

Lewis structure is the simplified Bohr diagram. It only shows the electrons in the outer shell. For Nitrogen, 2 electrons are in the first shell. The remaining 5 electrons are in the outer shell.

Answer:

Explanation:

1).  Ca(NO₃)₂ + KI → CaI + K(NO₃)₂

    This equation is incorrect.

    When Ca⁺⁺ reacts with I⁻, final product is CaI₂

    And when K⁺ react with NO₃⁻, final product is KNO₃

    Hence the equation will be,

    Ca(NO₃)₂ + KI → CaI₂ + KNO₃

    Now we have to balance this equation.

     Ca(NO₃)₂ + 2KI → CaI₂ + KNO₃

                          ↓

     Ca(NO₃)₂ + 2KI → CaI₂ + 2KNO₃

2). Ca(NO₃)₂ + KOH → CaOH + K(NO₃)₂

    This equation is incorrect,

    Since the reaction of Ca⁺⁺ with OH⁻ gives the final product     Ca(OH)₂

    And final product of K⁺ and NO₃⁻ is KNO₃

    Therefore, the equation will be,

    Ca(NO₃)₂ + KOH → Ca(OH)₂ + KNO₃

    Now we will balance this equation by changing the coefficients of the      molecules until the number of atoms on both the sides become equal.

    Ca(NO₃)₂ + KOH → Ca(OH)₂ + 2KNO₃

                                ↓

     Ca(NO₃)₂ + 2KOH → Ca(OH)₂ + 2KNO₃

3). Ca(NO₃)₂ + Na₂C₂O₄ → CaC₂O₄ + 2Na(NO₃)₂

    This equation is incorrect,

    Since the reaction of Na⁺ and NO₃⁻ gives the final product    NaNO₃.

    Therefore, the correct equation will be,

    Ca(NO₃)₂ + Na₂C₂O₄ → CaC₂O₄ + 2NaNO₃

     This equation is in the balanced form.

CO2, N2, & O2 concentrations throughout low humidity are represented as <1% 78% 21%.

The amount of a solute that is dissolved in a specific volume of the solvent or solution is measured by the solution's concentration. A solution that contains a significant quantity of dissolved solute is said to be concentrated. A solution is said to be dilute if it only contains a little quantity of dissolved solute.

The responsibility of the parties to take specific procedural steps during particular stages of hostile proceedings in order to expedite the proceedings and the court's decision constitutes the principle of concentrate as one of the main office principles of civil procedures.

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The cosine function of a chemical reaction that occurs at temperatures between 40 and 180 degrees Celsius is \(f (t) = -70\cos \left(\frac{\pi}{6}\right)t+110\).  Option c is the correct expression.

A cosine function's amplitude is equal to half the vertical distance between its highest and lowest points. The distance between the tallest point and the center line is equal to this.  This is of the form f (t) = A cos (bt)+k where A is the wave amplitude, t is the time period, and k is the vertical displacement.

In this problem, the temperature is measured by f(t), which ranges from 40 to 180 degrees Celsius. Then the temperature is not negative. The amplitude will be,

\(A=\frac{|180-40|}{2}=70\)

Given the time period is 12 hours.

\(\begin{aligned}\text{Period}&= \frac{2\pi}{b}\\12&= \frac{2\pi}{b}\\b&= \frac{2\pi}{12}\\b&=\frac{\pi}{6}\end{aligned}\)

When, t = 0, the wave must be at its lowest point. Then, f(t)=40. Find k using this.

\(\begin{aligned}f(t=0)&=40\\40&=-70\cos\left(\frac{\pi}{6}\times 0\right)+k\\40&=-70+k\\k&=110\end{aligned}\)

The required cosine function will be of the form, \(f (t) = -70\cos \left(\frac{\pi}{6}\right)t+110\)

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The synthesis reaction of Br2(g) with Al(s), Ba(s), Ag(s), and Na(s) are as follows:Br2(g) + 2 Al(s) → 2 AlBr3(s)3 Br2(g) + Ba(s) → BaBr6(s)2 Ag(s) + Br2(g) → 2 AgBr(s)2 Na(s) + Br2(g) → 2 NaBr(s)

Balanced equation for the synthesis reaction of Br2(g) with Al(s), Ba(s), Ag(s), and Na(s)Br2(g) + 2 Al(s) → 2 AlBr3(s) 3 Br2(g) + Ba(s) → BaBr6(s) 2 Ag(s) + Br2(g) → 2 AgBr(s) 2 Na(s) + Br2(g) → 2 NaBr(s)The synthesis reaction of Br2(g) can be carried out using different metals such as Al(s), Ba(s), Ag(s), and Na(s). The balanced chemical equation for the reaction will be based on the type of metal used. However, all of the reactions will produce a metal bromide salt.The first equation represents the reaction of Br2(g) with aluminum. This reaction results in the formation of aluminum tribromide salt. The balanced chemical equation for the reaction is as follows:Br2(g) + 2 Al(s) → 2 AlBr3(s)The second equation represents the reaction of Br2(g) with barium. This reaction results in the formation of barium hexabromide salt. The balanced chemical equation for the reaction is as follows:3 Br2(g) + Ba(s) → BaBr6(s)The third equation represents the reaction of Br2(g) with silver. This reaction results in the formation of silver bromide salt. The balanced chemical equation for the reaction is as follows:2 Ag(s) + Br2(g) → 2 AgBr(s)The fourth equation represents the reaction of Br2(g) with sodium. This reaction results in the formation of sodium bromide salt. The balanced chemical equation for the reaction is as follows:2 Na(s) + Br2(g) → 2 NaBr(s)In conclusion, the balanced chemical equations for

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Answer: okay

Explanation:

Answer:

What exactly do you want help with

Explanation:

An ecological or environmental setting designated as a species' natural habitat is home to that species and zoo.

Thus, It is the natural setting where a specific species makes its home. To better understand what this means, consider a zoo. In order to recreate an animal's native environment, zoo designers must research where the animal lives.

For instance, chimpanzees are kept among trees so they can hang from them and look for food. All animals, including plants, have natural environments.

A species is found in its natural habitat, which is an ecological or environmental situation. It is the environment in which a certain species dwells naturally. Zoo designers must conduct study on the animal's home range in order to accurately mimic the animal's natural habitat.

Thus, An ecological or environmental setting designated as a species' natural habitat is home to that species and zoo.

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Answer:

An ecological or environmental setting designated as a species' natural habitat is home to that species and zoo.

Thus, It is the natural setting where a specific species makes its home. To better understand what this means, consider a zoo. In order to recreate an animal's native environment, zoo designers must research where the animal lives.

For instance, chimpanzees are kept among trees so they can hang from them and look for food. All animals, including plants, have natural environments.

A species is found in its natural habitat, which is an ecological or environmental situation. It is the environment in which a certain species dwells naturally. Zoo designers must conduct study on the animal's home range in order to accurately mimic the animal's natural habitat.

Thus, An ecological or environmental setting designated as a species' natural habitat is home to that species and zoo.

Answer:

Distance cover by school bus = 149.5 miles

Explanation:

Given:

Velocity of school bus = 65 mph

Time taken by school bus = 2.3 hours

Find:

Distance cover by school bus

Computation:

Distance cover = Velocity x Time taken

Distance cover by school bus = Velocity of school bus x Time taken by school bus

Distance cover by school bus = 65 x 2.3

Distance cover by school bus = 149.5 miles

Answer:

I don't know the answer sorry

Answer:

Electrons, Protons, and Neutrons. ... Protons are another type of subatomic particle found in atoms. They have a positive charge so they are attracted to negative objects and repelled from positive objects. Again, this means that protons repel each other

Halo stars formed first, then stopped,  Disk stars formed later, and continued forming,  the abundance of heavy elements tell you about the origin of a star.

The solar system is made up of several celestial bodies, known as small bodies or large bodies, that circle around the sun. These bodies are the components of the solar system, and in addition to having various sizes, they also differ from one another in terms of densities and weights. No matter how heavy elements is, it has one thing in common with other elements: most of them have astronomical units of the centre, which are units of length derived from the typical distance between the Earth and the Sun.

what does the abundance of heavy elements tell you about the origin of a star?

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1) Chemical formula

2) Mg Lewis structure

3) O2 Lewis structure

4) MgO Lewis structure

5) Chemical formula written as Lewis dot structure

.

Answer:

E. OZONE

Explanation:

Of more importance to us, ultraviolet photons have enough energy to damage or destroy DNA, visible and infrared photons do not. When we absorb visible or infrared photons the energy carried by the photon goes into heating us up, but will not permanently damage our cells like ultraviolet photons can.

answer is E. Ozone