spin quantum number m = -1.0. +1 (that is, three allowed values of spin). Assuming that the Pauli exclusion principle remains valid in the distant universe, what is the maximum number of electrons that can populate a given orbital there?

In the example of distilling miscible liquids, two compounds commonly used are ethanol and water.

One of the common example for distilling miscible liquids are ethanol and water. These two substances can mix in any ratio since they are miscible. Because ethanol and water have different molecular structures, when heated, the boiling temperatures of the two liquids vary.

Compared to water, ethanol has a lower boiling point. The ethanol vaporizes first when the combination is heated, leaving the water behind. After collecting and condensing the vapor, pure ethanol is produced. Distillation is a common practice in many different industries, including the creation of alcoholic beverages and ethanol for fuel.

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Copper chloride, CuCl₂, can be electrolyzed because it contains ions that are mobile and can carry electric charge.

In the solid state, copper chloride exists as a crystalline structure where the copper and chloride ions are held together by strong ionic bonds. These bonds restrict the movement of the ions, preventing them from freely carrying an electric charge. Therefore, solid copper chloride does not conduct electricity.

However, when copper chloride is melted or dissolved in a liquid solvent, such as water, the ionic bonds are broken, and the copper and chloride ions become mobile. In the liquid state, these ions are free to move and carry electric charge throughout the solution. As a result, liquid copper chloride is capable of conducting electricity.

During the process of electrolysis, an electric current is passed through the liquid copper chloride, causing the movement of the copper and chloride ions towards the respective electrodes. At the cathode, copper ions gain electrons and are reduced to form copper metal, while at the anode, chloride ions lose electrons and are oxidized to form chlorine gas. The conductivity of the liquid copper chloride allows for the flow of ions and the occurrence of these electrochemical reactions.

In summary, solid copper chloride does not conduct electricity because its ions are immobile within the crystalline structure. However, when copper chloride is in the liquid state, the ionic bonds are broken, enabling the ions to move freely and conduct electric current.\(\huge{\mathcal{\colorbox{black}{\textcolor{lime}{\textsf{I hope this helps !}}}}}\)

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Since both the enthalpy and the entropy are positive magnetite will be reduced by carbon at any temperature. Option A

We know that we can only know the temperature at which the reduction of the iron III oxide with carbon would take place by the use of the enthalpy and the entropy of formation of the substance.

The enthalpy of the reaction is;

Enthalpy of products - Enthalpy of reactants

= [2(-393.5) + 3(0)] - [(-1118.4) + 2(0])

= (-784) + 1118.4

= 334.4 kJ

The entropy of the reaction is;

[2(213.7) + 3(247.6)] - [146.4 + 2(5.7)]

(427.4 + 742.8) - (146.4 + 11.4)

=1170.2 - 157.8

= 1012.4 kJ

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We multiply an angle by 180°/ to translate it from radians to degrees. We multiply an inclination by /180 to change it from degrees to radians.

Radian Formula

Firstly, One degree equals PI/180 radians, and one unit of measure equals 180/PI degrees. Decide how many degrees you want to transform to radians by multiplying the number of degrees by PI/180 (for instance, 90 degrees = 90 x PI/180 radians = PI/2).

By how much we cocked our heads, we may measure angles in degrees. Radians use the distance covered to calculate angles. The angle (s) multiplied by radius yields an angle in trigonometric functions (theta) (r). A circular has 360 degrees, or 2 pi radians, and it takes 2 * pi * r / r to round it entirely.

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Answer:

Membrane

Explanation:

Unlike a bacteria , an animal cell contains membrane which bounds organelles.

Answer:

No, I believe it's not balanced, srry if I got it wrong for you

The Ni ( NO₃ )₃ is an anhydrous covalent compound.  Ni ( NO₃ )₃ is prepared by the reaction of red fuming nitric acid and nickel nitrate hemihydrate.

An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. Bonding pairs or sharing pairs are the names given to these electron pairs. Covalent bonding is the stable equilibrium of the attractive and repulsive forces between atoms when they share electrons.

At room temperature, covalent compounds can be found in all three of their physical states and often have low boiling and melting temperatures. Because covalent compounds lack charged particles with the ability to carry electrons, they do not conduct electricity.

Two atoms sharing a pair of electrons make a covalent connection. Because the electron pair is drawn to both nuclei, the atoms are kept together.

Thus, The Ni ( NO₃ )₃ is an anhydrous covalent compound.

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Answer:

Mechanical advantage is a measure of the force of amplification achieved by using a tool, mechanical device or machine system. I hope this helps!

Answer:

the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.

Explanation:

i hope u understand :)

James chadwick discovered this particle neutron also neutrino called as is last of the subatomic particles to be characterized.

In 1932 james chadwick announced that the core also contained a new uncharged particle, which he called the neutron. neutron is also called neutrino he proved the existence of neutrons elementary particles devoid of any electrical charge. james chadwick was an English physicist who was awarded the 1935 Nobel prize in physics for his discovery of the neutron in 1932.

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Answer:

Displacement Reaction.

Answer:

displacement reaction

Unbalanced forces cause a change in motion, speed, and/or direction. When two forces act in the same direction on an object, the net force is equal to the sum of the two forces.

Answer:

B.Unbalanced .............

The percent yield of zinc carbonate is 5.91%. This suggests that the reaction did not go to completion, and there was likely some loss of product during the experiment.

To find the percent yield of zinc carbonate, we need to compare the actual yield (what was obtained in the experiment) to the theoretical yield (what would be obtained if the reaction went to completion).

First, let's calculate the theoretical yield of zinc carbonate:

Now, let's calculate the percent yield:

The actual yield  \(ZnCO_{3}\) is given as 12.6 g.

The percent yield is calculated as:

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Full Question: A reaction between 1.7 moles of zinc iodide and excess sodium carbonate yields 12.6 grams of zinc carbonate. This is the equation for the reaction: Na2CO3 + ZnI2 → 2NaI + ZnCO3. What is the percent yield of zinc carbonate? The percent yield of zinc carbonate is %

The temperature of the water sample increases by 8.7 °C after absorbing 1,174 joules of energy.

To calculate the temperature increase of a 28 g sample of water after absorbing 1,174 joules of energy, we need to use the specific heat formula:

\(\[ q = m \cdot c \cdot \Delta T \]\)

Where:

-\(\( q \)\) is the amount of heat energy absorbed (1,174 J in this case)

- m is the mass of the water sample (28 g)

- c is the specific heat of water (4.18 J/g°C)

- \(\( \Delta T \)\) is the change in temperature we want to find

Rearranging the formula to solve for\(\( \Delta T \)\):

\(\[ \Delta T = \frac{q}{m \cdot c} \]\)

Plugging in the given values:

\(\[ \Delta T = \frac{1,174 \, \text{J}}{28 \, \text{g} \times 4.18 \, \text{J/g°C}} = 8.7 \, \text{°C} \]\)

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Explanation:

The Cl-Cl bond is definitely non-polar as it forms a covalent bond with the same atom (aka same electronegativity)

B)Cl-Cl

The two atoms that form a covalent bond have the same electrical charge. For a molecule to be polar there needs to be a difference in charge of at least 0.5.

The term for a liquid that combines with a pigment to make paint is the vehicle oil or the water.

The liquid that combines with a pigment to make paint is the vehicle oil or water. The liquid is the substance which is used to  bind the particles of the pigment together is called as the Binder. The color of the oil paint is derived from the small particles of the colored pigments that is mixed with the oil.

Paint has the component called as the binder, that is a liquid which is responsible for the holding the pigment particles together and will allowing the paint to be applied to the surface.

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To determine if a gamma ray of a given wavelength has enough energy to remove an electron from a hydrogen atom, we need to calculate the energy of the gamma ray and compare it to the ionization energy of a hydrogen atom.

First, let's calculate the energy of the gamma ray. The energy of a photon can be calculated using the equation:

E = hc/λ

where:

h = Planck's constant (6.626 x 10^-34 J s)

c = speed of light (2.998 x 10^8 m/s)

λ = wavelength of the gamma ray (1.00 x 10^-8 cm)

Now we can plug in the values:

E = (6.626 x 10^-34 J s) * (2.998 x 10^8 m/s) / (1.00 x 10^-8 m)

E = 1.98 x 10^-18 J

Next, let's calculate the ionization energy of a hydrogen atom. The ionization energy of hydrogen is the minimum amount of energy required to remove an electron from the hydrogen atom. It is given as 13.6 eV, which can be converted to joules:

13.6 eV * 1.60 x 10^-19 J/eV = 2.18 x 10^-18 J

Finally, we compare the energy of the gamma ray (1.98 x 10^-18 J) to the ionization energy of hydrogen (2.18 x 10^-18 J). Since the energy of the gamma ray is less than the ionization energy of hydrogen, we can conclude that it does not have enough energy to remove an electron from a hydrogen atom.

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Answer:

That’s a question on school- what- I-

Explanation:

First, we have to calculate the molecular weights of each molecule:

Then, we have to calculate the number of grams of water. We can calculate them because the process of evaporation lets us know the water amount that was retired:

Then, we're gonna convert the grams of sodium carbonate alone (30.2 g) and the grams of water to moles:

It means that the mole relation is 1:1 approx, as it is the same amount for both. Then, the formula is going to be:

It means that the answer is A.

The equilibrium relation allows us to find which statement is correct:

    B)  The balloon will shrink.

The stable equilibrium condition that the sum of forces in a system is zero

            ∑ F = 0

Where F is the force

Helium is a noble gas, which has a liquefaction temperature of 4.2K, therefore in almost all cases we find it in the gaseous state

The balloon is in an equilibrium between the outside atmospheric pressure and the pressure of the helium gas inside, when the temperature decreases the energy of the helium molecules decreases and has a lower speed, therefore creating a lower pressure inside, for therefore the balloon decreases its size until the pressures equalize.

Let's examine the claims

A) False. The balloon expands with increasing temperature

B) True. The balloon should contract until it equalizes the internal and external pressure

C) False. Helium gas becomes liquid at very low temperatures (4.2K)

D) False. One of the statements describes the process well

In conclusion the equilibrium relationship we can find which statement is correct:

    B)  The balloon will shrink.

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The expected order of boiling points for the molecules 2-methyl pentane (a), 2,3-dimethylbutane (b), and 2,2-dimethylbutane (c) is (c) < (a) < (b).

2,2-dimethylbutane (c) is the most branched molecule among the three and has the least surface area for intermolecular interactions. Therefore, it will have the weakest intermolecular forces and the lowest boiling point.

2-methyl pentane (a) has a straight chain with only one branch, and thus has more surface area available for intermolecular interactions than (c). Therefore, it will have stronger intermolecular forces and a higher boiling point than (c).

2,3-dimethylbutane (b) has two branches and is more branched than (a), but less branched than (c). Therefore, it will have intermediate intermolecular forces and boiling point between (a) and (c).

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Answer:

anion has a negative charge

An anion has more electrons than protons, consequently giving it a net negative charge

Answer:

The electronic configuration of ions formed are:

Li+ (2) => 1s2

Cl- (18) => 1s2 2s2 2p6 3s2 3p6

Explanation:

Lithium metal, Li will lose 1 electron to lithium ion Li+. Chlorine atom, Cl will receive the 1 electron to form the chloride ion Cl- as shown by the following equation below:

Li —> Li+ + e

Cl+ e —> Cl-

Combine both equation

Li + Cl + e —> Li+ + Cl- + e

Cancel out 'e'

Li + Cl —> Li+ Cl-

Thus, we can write the electronic configuration for the reaction as follow:

Before reaction:

Li (3) => 1s2 2s1

Cl (17) => 1s2 2s2 2p6 3s2 3p5

After reaction

Li+ (2) => 1s2

Cl- (18) => 1s2 2s2 2p6 3s2 3p6

Therefore, the electronic configuration of the ions formed are:

Li+ (2) => 1s2

Cl- (18) => 1s2 2s2 2p6 3s2 3p6

Answer:

The partial pressures of chlorine gas, hydrogen gas, and argon gas in the container are 2.16 atm, 1.60 atm, and 1.96 atm respectively.

Explanation:

The partial pressure of a gas in a mixture is proportional to the number of moles of that gas present. So, the partial pressure of chlorine gas (PC) can be calculated as:

PC = (0.52 moles of chlorine / (0.52 + 0.38 + 0.47)) * 5.8 atm = 0.52 * 5.8 / 1.37 = 2.16 atm

Similarly, the partial pressure of hydrogen gas (PH) can be calculated as:

PH = (0.38 moles of hydrogen / (0.52 + 0.38 + 0.47)) * 5.8 atm = 0.38 * 5.8 / 1.37 = 1.60 atm

And the partial pressure of argon gas (PA) can be calculated as:

PA = (0.47 moles of argon / (0.52 + 0.38 + 0.47)) * 5.8 atm = 0.47 * 5.8 / 1.37 = 1.96 atm

So, the partial pressures of chlorine gas, hydrogen gas, and argon gas in the container are 2.16 atm, 1.60 atm, and 1.96 atm respectively.

\( \large \mathfrak{Answer : }\)

I hope it helped...

Answer:

correct answer is 7.95*10^7=79.5*10^6

The chemist has 642.4 millimoles of barium acetate in the solution.

To calculate the millimoles of barium acetate (Ba(C₂H₃O₂)₂) in the solution, we can use the formula:

moles = molarity × volume (in liters)

First, let's convert the volume from milliliters (mL) to liters (L):

440.0 mL ÷ 1000 = 0.440 L

Now we can substitute the given values into the formula:

moles = 1.46 M × 0.440 L

moles = 0.6424 mol (rounded to 4 decimal places)

To convert the moles to millimoles, we multiply by 1000:

millimoles = 0.6424 mol × 1000

millimoles = 642.4 mmol (rounded to 3 significant digits)

Therefore, the chemist has 642.4 millimoles of barium acetate in the solution.

It's important to note that the molarity (M) represents the number of moles of solute per liter of solution. By multiplying the molarity by the volume in liters, we can find the number of moles of solute. To convert moles to millimoles, we multiply by 1000. The result represents the millimoles of barium acetate present in the given volume of solution.

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6.375 moles of O2 are required to form 4.25mol \(CaCO_{3}\) if the net balanced equation given is,

                Ca (solid) + C (solid) + 3/2 O2 (gas) ⟶\(CaCO_{3}\) (solid).

The balanced equation is,

  Ca (solid) + C (s) + 3/2 O2 (g)  ⟶ \(CaCO_{3}\) (solid).

A balanced equation is defined as a chemical equation in which mass is conserved and there are equal numbers of atoms of each element on both sides of the equation. This equation has an equal number of atoms of each element on both sides of the chemical equation. The mass of the reactants is said to be equals to the mass of the products.

The number of moles of a substance can be expresses as the ratio of its given mass in a chemical reaction to the mass of one mole of that substance. One mole of any substance is equals to Avogadro's number, that is 6.023 × 1023. It is generally used to express concentration units such as mole per liter or molecular weight.

1 mole of \(CaCO_{3}\) is formed by 3/2 moles of O2.

4.25 moles of \(CaCO_{3}\) will be formed by,

    =   3/2 * 4.25

    = 6.375 mole

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From the following balanced equation,

Ca(s) + C(s) + 3/2 O2(g) ⟶\(CaCO_{3}\) (s) how many moles of O2 are required to form 4.25mol CaCO3?

Answer:

When two or more atoms chemically bond together, they form a molecule. Sometimes the atoms are all from the same element. ... In a covalent bond, electrons are shared between atoms. The bonds between the two hydrogen atoms and the oxygen atom in a molecule of water are covalent bonds

Explanation:

Molecules are made up of atoms that are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons among atoms. The atoms of certain elements readily bond with other atoms to form molecules.

Answer:

Molecules are formed when one or more atom of an element/elements are chemically joined together to create a new type of matter.

Explanation:

Hope it helped!