how do I write both conversion factors for converting L to ML​

The relationship between the product creation and the utilised reactant is provided by the equilibrium constant. Dinitrogen tetroxide is present in concentrations of 0.003 M and 0.054 M, respectively, of nitrogen dioxide.

The equilibrium constant is what?

The rate at which the reactant in a chemical reaction transforms into the products is expressed as an equilibrium constant.

The response can be demonstrated by,

The concentrations are estimated as follows using the ICE table that is linked below:

Continuing to solve

Consequently, nitrogen dioxide is present in concentrations of 0.054 M and 0.003 M, respectively.

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Answer: D convection currents

Explanation:

The seafloor spreading is a phenomena that occurs due to liberation of heat from the convection currents generated in the mantle. It makes the earth crust more plastic and less dense. This happens at divergent plate boundaries. As the plates move apart, the less denser material rises. It leads to the formation of mountain and crust cracks.

Answer:

11.01

Explanation:

because yes :)

Based on the recipe for preparing the food, the limiting ingredient is the 2 cans of tomatoes.

The recipe for the food is given below:

Hence, 2 cans of diced tomatoes require 1 cup of green beans, 1/2 cup of pasta, 1 can of beans, and 4 of cups broth.

Hence, after, the 2 cans of diced tomatoes are used up, no more food can be prepared.

A limiting reagent or limiting ingredient is used up when cooking, hence, the 2 cans of tomatoes are the limiting ingredient.

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Answer:

Refer to attached file below

Hope it helps..

Have a great day :P

Answer:

Cations (positively-charged ions) and anions (negatively-charged ions) are formed when a metal loses electrons, and a nonmetal gains those electrons. ... And all of them form an anion with a single negative charge. The VIA elements gain two electrons to form anions with a 2- charge.

Explanation: OR

Metallic atoms hold some of their electrons relatively loosely. Consequently, they tend to lose electrons and form cations. Conversely, most nonmetallic atoms attract electrons more strongly than metallic atoms, and so gain electrons to form anions.

Metallic atoms hold some of their electrons relatively loosely. Consequently, they tend to lose electrons and form cations. Conversely, most nonmetallic atoms attract electrons more strongly than metallic atoms, and so gain › cat...

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Answer:

It gains one or more electrons from another atom to become negatively charged.

Explanation:

An atom becomes charged by either gaining or losing electrons, and is called an ion. An atom with less than the normal number of electrons is a positive ion (a cation), and an atom with one or more extra electrons is a negative ion (an anion).

A colorimeter is a device used to gauge how much heat a solution has absorbed. The concentration of the solute in the solution is inversely correlated with this absorbance.

What is a calorimeter?

A calorimeter is a tool used in calorimetry, a technique for calculating heat capacity and measuring the heat of chemical processes or other physical changes. Among the most popular kinds are differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters, and accelerated rate calorimeters.

One at a time, two chemicals A and B are placed in a calorimeter, and the temperatures before and after the reaction are recorded. The enthalpy change per mole of substance A in the process is calculated using these data. The mass and specific heat capacity of the components can be multiplied by the temperature change to provide an estimate of the amount of energy produced or absorbed during the reaction. The enthalpy change of the reaction is calculated by dividing the energy change by the quantity of A that was present.

One at a time, two chemicals A and B are placed in a calorimeter, and the temperatures before and after the reaction are recorded. The enthalpy change per mole of substance A in the process is calculated using these data. The mass and specific heat capacity of the components can be multiplied by the temperature change to provide an estimate of the amount of energy produced or absorbed during the reaction. The enthalpy change of the reaction is calculated by dividing the energy change by the quantity of A that was present.

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Answer:

the answer is c I believe

the final temperature of water comes out to be 290.877 K. The quantity of work completed during the expansion must be determined in order to calculate the energy supplied to the water and the water's final temperature.

Following the gas expansion, we can apply the following equation to determine the water's final temperature:

q = mcΔT

Where: q = the heat the water absorbs

m = the water's mass

c is the water's specific heat capacity.

T stands for temperature change.

Let's start by calculating the heat that the water absorbed during the gas expansion:

q = the work that the gas does

The equation: can be used to determine how much work the gas is doing.

w = -PΔV

Where: w = job completed

Pressure is P.

V stands for volume change

We can determine the work done if we know that the pressure (P) is 3.0 atm and the change in volume (V) is 5.0 dm3 - 3.0 dm3 = 2.0 dm3.

w = 3.0 atm x 2.0 dm3, which is -6.0 atm dm3.

The heat absorbed by the water will be positive since the work completed, which represents work on the system, is negative:

Q=-w=6.0 atm dm3

Next, we must convert the work done's units to joules:

1 atm dm3 equals 101.375 J

At STP, 1 mol of gas takes up 22.4 dm3.

6.0 atm dm3 multiplied by 101.325 J/atm dm3 results in 607.95 J.

Now, we can determine the water's temperature change (T):

q = mcΔT

10 mol * 18.015 g/mol * 4.184 J/g K * 10.795 J = 607.95 J ΔT

753.78 g * 4.184 J/g K * T = 607.95 J

T = 753.78 g * 4.184 J/g K / 607.95 J

ΔT ≈ 0.180 K

The ultimate temperature is then determined by adding the temperature change to the 290.0 K starting point:

Final temperature = 290.0 K plus 0.180 K, or 290.180 K.

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Answer:

4

Explanation: it's a carbon atom right....soo it'll form 4 bonds(single)

An atom can form 4 single covalent bonds is carbon with two electron shell.

The bonds are defined as a strong bond that binds atoms, ions, or molecules together and promotes the production of molecules.

There are three types of bonds.

Covalent bonds are defined as the bond formed by sharing of electrons with each other.

Covalent bonding is a stable equilibrium of the attractive and repulsive forces between two atoms that occurs when they share electrons. Bonding pairs or sharing pairs are other names for these electron pairs.

It can also be defined as a type of chemical link where atoms share electrons to create electron pairs.

Covalent bonds  has low melting point, boiling point, enthalpy of fusion and enthalpy of vaporization.

Thus, an atom can form 4 single covalent bonds is carbon with two electron shell.

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Answer:

C

Explanation:

you need a wheel And axle for the bike.

You need the pulley for the chain to pull the tires

you need the inclined plane to test the bike

you need a screw to make sure the wheel and axle is in place.

Answer:

C

Explanation:

im doing the test

Metal ion indicators are compounds that change color when they bind to a metal ion. They are commonly used in EDTA (ethylene diamine tetraacetic acid) titrations, where EDTA acts as a chelating agent, binding to the metal ion to form a stable complex.

One important characteristic of a useful metal ion indicator is that it must bind the metal ion less strongly than EDTA does. This is because EDTA is typically added in excess to ensure complete complexation of the metal ion, and a strong metal ion indicator would compete with EDTA for the metal ion and interfere with the accuracy of the titration.

Metal ion indicators are not necessarily also acid-base indicators, but some can be both. In EDTA titrations, pH plays an important role in determining the stability of the metal-EDTA complex, so an indicator that can monitor pH changes as well as metal ion binding can be useful.

In summary, metal ion indicators are compounds that change color when they bind to a metal ion, and useful indicators must bind the metal ion less strongly than EDTA does.

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Answer:

neon is a gas.it has full of sub shell.but iron hasnt full of sub shell so iron is react with other elements

Answer:

0.0027 gram/cubic centimeter

cc=ml

Explanation:

pls vote brainliest ❤❤

The  absorption spectrum of an atom shows pattern of dark lines or bands attained by transmitting absorbed light beam into the spectroscope.

By sending an absorbed light beam into a spectroscope, one can create a pattern of black lines or bands.

The vapors or solution of a substance in the discharge tube are illuminated by a white light. After passing through a spectroscope, the transmitted light produces a spectrum of black lines at specific wavelengths. These shady lines match the light radiation wavelengths that the material has absorbed.

An atom, ion, or molecule absorbs photons with energies equal to the energy difference between the two states when it transitions from one to the other. An absorbance spectrum that depicts the intensity of emission as a function of wavelength is the end result.

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The pH at the equivalence point at 25°C is 8.8. The pH at the equivalence point can be calculated using the following equation: pH = p Ka + log([salt]/[acid])Where salt is the potassium lactate and acid is the lactic acid.

Correct option is , A.  8.8.

A reaction occurs when a strong base, such as potassium hydroxide, KOH, is combined with a weak acid, such as lactic acid, C2H5OCOOH. The weak acid is initially present in excess, and the pH is calculated using the Henderson-Hasselbalch equation at the start of the titration. pH = pKa + log([A-]/[HA])The weak acid and its conjugate base are present in equal concentrations at the equivalence point. Because the pH is a function of the ratio of acid and base concentrations, the pH of a weak acid solution equals its pKa at the equivalence point, where pKa is the acid dissociation constant.

Ka for lactic acid is 1.4 × 10−4.Using the equation, we get:pH = pKa + log([salt]/[acid]) = 3.85 + log([K+][lactate−]/[lactic acid])At the equivalence point, the total volume of the solution is 1 L (500 mL of 2 M C2H5OCOOH solution is used, which is equivalent to 1 mol of acid).Since it reacts with 1 mol of KOH, which is equivalent to 1 mol of potassium lactate, the concentration of potassium lactate is 1 M and the concentration of lactic acid is 0.5 M.At 25°C.

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The substance that is readily soluble in hexane (C₆H₁₄) is D. C₃H₈. Hence, option D is correct.

Hexane is a nonpolar solvent, and substances that are nonpolar or have similar nonpolar characteristics tend to be soluble in hexane. Among the given options, C₃H₈ (propane) is a nonpolar hydrocarbon and is, therefore, readily soluble in hexane.

A. H₂O (water) is a polar molecule and is not soluble in hexane.

B. PCl₃ (phosphorus trichloride) is a polar molecule and is not soluble in hexane.

C. KOH (potassium hydroxide) is an ionic compound and is not soluble in hexane.

Thus, the correct answer is D. C₃H₈. Hence, option D is correct.

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The atomic radius of Floridium atoms in the FCC unit cell is approximately 109.8 pm to one decimal place.

The face-centered cubic unit cell contains 4 atoms. The edge length of the unit cell can be calculated using the formula:
a = 2 * (radius of atom)
Therefore, the radius of each floridium atom can be calculated as:
radius of atom = a / (2 * sqrt(2))
radius of atom = 310.2 pm / (2 * sqrt(2))
radius of atom = 109.9 pm
Therefore, the atomic radius of floridium is 109.9 pm to one decimal place.
To find the atomic radius of Floridium atoms in a face-centered cubic (FCC) unit cell, we can follow these steps:
1. Recall the relationship between the edge length (a) and the atomic radius (r) in an FCC unit cell: a = √2 * 4r.
2. Solve for the atomic radius (r) using the given edge length (a = 310.2 pm).
Step 1: Relationship between edge length and atomic radius in an FCC unit cell
For an FCC unit cell, the relationship between the edge length (a) and the atomic radius (r) is given by the formula:
a = √2 * 4r
Step 2: Solve for the atomic radius (r)
We are given the edge length (a = 310.2 pm). We can plug this value into the formula and solve for r:
310.2 pm = √2 * 4r
Now, we need to isolate r by dividing both sides of the equation by 4√2:
r = (310.2 pm) / (4√2)
r ≈ 109.8 pm
Therefore, the atomic radius of Floridium atoms in the FCC unit cell is approximately 109.8 pm to one decimal place.

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Answer:

it is the second one. Lead

According to the forces of attraction the tungsten metal alloy that is W₂C( tungsten carbide) is most difficult to damage or change shape through force.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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1 mol BaBR2 produces 2mol KBr .

7 mol s of BaBr_2 produces:-

Option D is correct

Answer:

10 L

Explanation:

The equation of the reaction is;

2BaO2 = 2BaO + O2

Number of moles of  BaO2 = 114.7 g/169.33 g/mol = 0.677 moles

From the reaction equation;

2 moles of BaO2 yields 1 moles of O2

0.677 moles of BaO2 yields 0.677 * 1/2 = 0.3385 moles of oxygen

Hence;

PV=nRT

V = ?

P = 127400 Pa or 1.257 atm

T = 455 K

n = 0.3385 moles

R = 0.082 atmLmol-1K-1

V = nRT/P

V = 0.3385 * 0.082 * 455/1.257

V= 10 L

Answer:

A. 4s subshell.

B. An element with the valence electron configuration 2s² 2p⁵ would form a monatomic ion with a charge of -1.

In order to form this ion, the element will gain 1 electron into the 2p subshell

A) The element with 4s² configuration form a monatomic ion with a charge of  +2 and the element will lose electrons from the 4s subshell.

B) The element with 2s²2p⁴ configuration form a monatomic ion with a charge of  -2 and the element will gain electrons into the 2p subshell.

Valence electrons are the electrons occupying the outermost shell of an atom while the electrons in the inner shell are called core electrons. Lewis structures are helpful to determine the number of valence electrons and knowing the types of bonds.

Valence electrons are filled in different shells and these electrons are caused interaction between atoms and lead to the formation of chemical bonds.

Only electrons present in the outermost shell can contribute to the formation of a chemical bond or a molecule and decide the reactivity of the element.

The element with a 4s² configuration forms a monatomic ion as it loses both electrons present in the 4s subshell.  This will lead to a charge of  +2 on the element and the element from a monoatomic ion with +2 charge.

The element with 2s²2p⁴ configuration will accept two electrons into the 2p subshell. So that it can get the nearest noble gas configuration and it will form a monoatomic ion with -2 charge.

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Answer:

The answer is lemonade.

Weaker acids are those which tend to have a higher pH from 4 to at least 6 stronger acids have low pH from 2 and below that's from 2 to 0.

Hope this helps

Hope

Answer:

One atom of each element is made up of protons, neutrons, and electrons. The number of electrons determines how an element reacts. The number of protons gives the element its identity. ... They react well with nonmetals because they can easily give up electrons to form ions.

The Ksp of Ca(OH)₂ is approximately 1.58 × 10 ⁻⁵

The maximum pH achievable in a solution of Mn(OH)₂ (Ksp = 2.1 × 10 ⁻¹³ is approximately 7.16.

To determine the Ksp (solubility product constant) of Ca(OH)₂, we can use the pH of the saturated solution. The pH of 12.40 indicates the concentration of hydroxide ions (OH⁻) in the solution.

pOH = 14 - pH

pOH = 14 - 12.40

pOH = 1.60

Since Ca(OH)₂ dissociates into two OH⁻ ions for every formula unit, the concentration of OH⁻ ions is twice the concentration of Ca(OH)₂.

[OH⁻] = 2 * 10^(-pOH)

[OH⁻] = 2 * 10^(-1.60)

[OH⁻] = 0.0251 M

The concentration of Ca²⁺ ions is the same as the concentration of OH⁻ ions since the compound is 1:1.

[Ca²⁺] = [OH⁻] = 0.0251 M

Now we can calculate the Ksp of Ca(OH)₂ using the concentrations:

Ksp = [Ca²⁺] * [OH⁻]²

Ksp = (0.0251) * (0.0251)²

Ksp ≈ 1.58 × 10 ⁻⁵

Therefore, the Ksp of Ca(OH)₂ is approximately 1.58 × 10 ⁻⁵

Now let's calculate the maximum pH that could be achieved in a solution of Mn(OH)₂ with a Ksp of 2.1 × 10  ⁻¹³

Since Mn(OH)₂ dissociates into two OH⁻ ions for every formula unit, we need to calculate the concentration of OH⁻ ions at equilibrium using the Ksp.

Ksp = [Mn²⁺] * [OH⁻]²

2.1 × 10  ⁻¹³  = [OH⁻]²

[OH⁻] = sqrt(2.1 × 10  ⁻¹³

[OH⁻] ≈ 1.45 × 10⁻⁷M

To calculate the pH, we can use the pOH equation:

pOH = -log[OH⁻]

pOH = -log(1.45 × 10⁻⁷

pOH ≈ 6.84

since pH + pOH = 14, we can determine the maximum pH:

pH = 14 - pOH

pH = 14 - 6.84

pH ≈ 7.16

Therefore, the maximum pH that could be achieved in a solution of manganese (II) hydroxide, Mn(OH)₂, with a Ksp of 2.1 × 10  ⁻¹³ ), is approximately 7.16.

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