based upon the protocol, predict a reasonable void volume for the sephadex g-100 column? explain your reasoning for full credit

To find the atomic radius of a potassium atom with a body-centered cubic (BCC) unit cell structure and a density of 0.856 g/cm³, you can follow these steps:

1. Determine the number of atoms in a BCC unit cell: There are 2 atoms per BCC unit cell.

2. Obtain the atomic weight of potassium: The atomic weight of potassium (K) is approximately 39.1 g/mol.

3. Apply the BCC unit cell density formula: Density = (2 x atomic weight) / (a³ x Avogadro's number), where 'a' is the edge length of the unit cell and Avogadro's number is approximately 6.022 x 10²³ atoms/mol.

4. Solve for the edge length 'a': Using the given density of 0.856 g/cm³, you can rearrange the formula to find the edge length of the unit cell.

5. Calculate the atomic radius: For a BCC unit cell, the diagonal of the cube can be represented as 4r = √3a, where 'r' is the atomic radius. Solve for the atomic radius using the edge length obtained in step 4.

By following these steps, you can find the atomic radius of a potassium atom with a BCC unit cell structure and a density of 0.856 g/cm³.

Learn more about Potassium:

https://brainly.com/question/24527005

#SPJ11

The atomic radius of a potassium atom in a body-centered cubic unit cell can be calculated by utilizing the given density and atomic weight with the formula r = ∛(3*m / 4π * ρ*N), which accounts for the two atoms in each unit cell.

To calculate the atomic radius of potassium with a body-centered cubic (BCC) lattice structure, we first need to define the unit cell. In a BCC lattice, the unit cell is a cube defined by the centers of eight atoms and contains one atom at each of the eight corners, plus one atom from the center. This means that there are 2 atoms contained within this cube (0.125 * 8 corners = 1 atom from the corners + 1 atom from the center).

Because we know that a corner atom is shared by 8 unit cells and a center atom is completely within the unit cell, this equates to 2 atoms per unit cell. To calculate the radius, the equation r = ∛(3*m / 4π * ρ*N) can be used, where m is the atomic weight of potassium (39.10 g/mol), ρ is the density (0.856 g/cm³), and N is Avogadro's number(6.022 x 10^23 mol⁻¹).

https://brainly.com/question/21251053

#SPJ12

We would require 160 mL of lemon juice to make a dozen delicious perfect lemon cupcakes.

Assuming that the reaction between the lemon juice and baking soda produces all the carbon dioxide required to make the batter rise perfectly, we can use stoichiometry to calculate the volume of lemon juice required.

Baking soda is chemically sodium bicarbonate which is basic (NaHCO₃) and lemon juice constitutes citric acid (H₃C₆H₅O₇) which gives it its characteristic tangy flavor.

The balanced chemical reaction for the reaction between the base and the acid is:

3 NaHCO₃ (s) + H₃C₆H₅O₇ (aq) → 3 CO₂ (g) + 3 H₂O (l) + Na₃C₆H₅O₇ (aq)

From the equation, we can see that 3 moles of NaHCO₃  (s) produces 3 moles of CO₂ (g). Therefore, 0.02 moles of CO₂ (g) will be produced by:

0.02 moles CO₂ x (3 moles NaHCO₃ / 3 moles CO₂) = 0.02 moles NaHCO₃

A dozen is 12. so, To make a dozen cupcakes, we need 12 x 0.02 moles = 0.24 moles of NaHCO₃

Now, we can use the stoichiometry of the balanced equation to find the moles of citric acid needed:

0.24 moles NaHCO₃ x (1 mole H₃C₆H₅O₇ / 3 moles NaHCO₃) = 0.08 moles H₃C₆H₅O₇

Finally, we can use the volume and molarity of the lemon juice to find the required volume of lemon juice:

Volume of solution = moles of solute / molarity

Assuming that the lemon juice has a concentration of 0.5 M, we can calculate the required volume as:

Volume of lemon juice = 0.08 moles / 0.5 M = 0.16 L = 160 mL

Therefore, we need 160 mL of lemon juice to prepare a dozen of these cupcakes.

Learn more about chemical reactions involving carbon dioxide here:

https://brainly.com/question/1923482

#SPJ1

NaOH is a polar compound due to its molecular structure.

It has a partial negative charge on the oxygen atom and a partial positive charge on the hydrogen atom. This creates a dipole moment in the compound, making it polar.

When NaOH is added to a mixture, its polar nature allows it to dissolve in water and interact with other polar compounds. It can form hydrogen bonds with other polar molecules, creating a solution with a high polarity.
On the other hand, nonpolar compounds have a symmetrical molecular structure and no dipole moment. They cannot dissolve in water or interact with polar molecules.
Therefore, based on the observations when NaOH solution is added to a mixture, we can conclude that the NaOH solution is polar due to its ability to dissolve in water and interact with other polar compounds. Its polar nature also allows it to form hydrogen bonds with water molecules, making it a strong base in aqueous solutions.

Learn more about polar: https://brainly.com/question/545359  

#SPJ11

To determine the number of molecules in a 32.0 g sample of CH4O, we will follow these steps:

1. Calculate the molar mass of CH4O
2. Convert the mass to moles
3. Calculate the number of molecules using Avogadro's number

Step 1: Calculate the molar mass of CH4O:
C: 12.01 g/mol
H: 1.01 g/mol (x4 for four hydrogen atoms)
O: 16.00 g/mol
Molar mass of CH4O = 12.01 + (1.01 x 4) + 16.00 = 32.05 g/mol

Step 2: Convert the mass to moles:
32.0 g CH4O x (1 mol CH4O / 32.05 g) = 0.998 mol CH4O

Step 3: Calculate the number of molecules using Avogadro's number (6.022 x 10^23 molecules/mol):
0.998 mol CH4O x (6.022 x 10^23 molecules/mol) = 6.00 x 10^23 molecules

So, a 32.0 g sample of CH4O contains approximately 6.00 x 10^23 molecules of CH4O. The closest answer is (d) 6.02 x 10^23.

To know more about Avogadro's number :

https://brainly.com/question/859564

#SPJ11

The pH value of  0.350 M solution of NaHCO₃ is found to be 10.5, hence option A is correct.

NaHCO₃ is a salt that can undergo hydrolysis in water to form a basic solution, as the HCO₃⁻ ion is a weak base. The reaction is as follows:

HCO₃⁻ + H₂O ⇌ H₂CO₃ + OH⁻

Since the Kb of HCO₃⁻ is given as 2.3×10⁻⁸, we can find the concentration of OH⁻ ion produced by using the Kb expression,

Kb = [H₂CO₃][OH⁻]/[HCO₃⁻]

Assuming that the concentration of H₂CO₃ is negligible, as it is a weak acid that dissociates only slightly in water, we can simplify the expression to,

Kb = [OH⁻][HCO₃⁻]

[OH⁻] = Kb/[HCO₃⁻]

= (2.3×10⁻⁸)/[HCO₃⁻]

Now, we need to find the concentration of HCO₃⁻ in the 0.350M solution of NaHCO₃. NaHCO₃ dissociates in water to give Na⁺ and HCO₃⁻ ions,

NaHCO₃ ⇌ Na⁺ + HCO₃⁻

The concentration of HCO₃⁻ ion in solution will be equal to the initial concentration of NaHCO₃, since the dissociation is 1:1. Therefore, [HCO₃⁻] = 0.350M.

Substituting into the expression we obtained earlier,

[OH⁻] = (2.3×10⁻⁸)/0.350

= 6.57×10⁻⁸ M

The pH of the solution can be calculated as follows,

pH = 14 - pOH

= 14 - (-log[OH⁻])

= 14 - (-log6.57×10⁻⁸)

= 10.5

Therefore, the pH of the 0.350M solution of NaHCO₃ is 10.5, which corresponds to option A.

To know more about pH value, visit,

https://brainly.com/question/26424076

#SPJ4

Complete question - What is the pH of a 0.350M solution of NaHCO₃ , given that the Kb of HCO⁻³ is 2.3×10⁻⁸ ?

A. 10.5

B. 8.4

C. 11

D. 9.9

The atom ²²³⁸⁷Fr (Francium-223) decays to ²²³⁸⁸Ra (Radium-223) by emitting beta-minus (β-) nuclear radiation.

During alpha decay, an atom emits an alpha particle, which consists of two protons and two neutrons. In this case, the atom 22387fr 87 223 f r has too many protons, making it unstable. To become more stable, it emits an alpha particle, which reduces its atomic number by two and its atomic mass by four. The resulting atom, 22388ra 88 223 r a, has a more balanced number of protons and neutrons, making it more stable.

In this decay process, a neutron in the Francium-223 nucleus is converted into a proton, causing the atomic number to increase by 1, while the mass number remains unchanged. This results in the formation of Radium-223. During this conversion, a beta-minus (β-) particle, which is essentially an electron, is emitted as a form of nuclear radiation.

To learn more about Atom, visit;

https://brainly.com/question/26952570

#SPJ11

The fossils from the Phanerozoic era are the best preserved due to the following reasons:

These fossils spans from about 541 million years ago to the present day and are considered the best preserved because many organisms developed hard skeletal structures such as shells and bones that are more likely to be preserved as fossils than soft tissue.

Also, the sedimentary rocks are formed by the accumulation and compression of sediment which offer protection and preservation for fossils by preventing decay and erosion. These factors contributed to the high quality and abundance of fossils from the Phanerozoic era.

Read more about fossils

brainly.com/question/30537819

#SPJ1

The correct answer is C. 241 g. The balanced equation is Fe3O4 + 8H2 → 3Fe + 4H2O. Therefore, 750 g of Fe would produce 750/3 = 250 g of H2O, which is 241 g when rounded to the nearest whole number.

can you give me the b mark?

The molecular formula of the gas is [tex]CH_2[/tex] and it has a molar mass of 6. 0 g/mol.  

The empirical formula of a compound is the lowest whole-number ratio of the numbers of atoms of each element that combine to form the compound. The molecular formula of a compound is the actual number of atoms of each element in a molecule of the compound.

The molecular formula of a compound, we need to use the molar mass of the compound and the molar mass of each element in the compound. We can also use the empirical formula to calculate the molar mass of the compound by multiplying the molar mass of each element in the empirical formula by the ratio of the number of atoms of each element in the compound to the empirical formula.

For example, if the molar mass of carbon is 12. 0 g/mol, the molar mass of hydrogen is 1. 0 g/mol, and the empirical formula of a gas is  [tex]CH_2[/tex], the molecular formula of the gas can be calculated as follows:

Molar mass of carbon (C) = 12. 0 g/mol

Molar mass of hydrogen (H) = 1. 0 g/mol

Molar mass of  [tex]CH_2[/tex] gas = molar mass of carbon x molar mass of hydrogen / empirical formula

Molar mass of  [tex]CH_2[/tex] gas = 12. 0 g/mol x 1. 0 g/mol /  [tex]CH_2[/tex]

Molar mass of  [tex]CH_2[/tex] gas = 12. 0 g/mol / 2

Molar mass of  [tex]CH_2[/tex] gas = 6. 0 g/mol

Therefore, the molecular formula of the gas is  [tex]CH_2[/tex], and it has a molar mass of 6. 0 g/mol.  

Learn more about molar mass Visit: brainly.com/question/837939

#SPJ4

In order for water reabsorption to occur, the solute concentration of the medulla needs to be higher than the solute concentration of the filtrate in the collecting ducts.

This concentration gradient is created by the active transport of ions, such as sodium and chloride, out of the ascending limb of the loop of Henle, which results in the buildup of solutes in the interstitial fluid of the medulla. This concentration gradient then allows for the passive reabsorption of water from the collecting ducts into the interstitial fluid, and eventually into the bloodstream.

The process of water reabsorption in the kidneys involves a complex interplay between various parts of the nephron, including the loop of Henle, the distal tubules, and the collecting ducts. The primary function of these structures is to filter blood and remove waste products, while also maintaining the proper balance of electrolytes and fluids in the body.

Learn more about water reabsorption: https://brainly.com/question/13107221

#SPJ11

Yes, The internal pressure can be greater than the external pressure.

Internal pressure can be greater than external pressure because the pressure inside a closed environment can increase due to the factors like changes in the temperature, volume or even the change in the pressure outside can be a factor relating to the increase of internal pressure, which can be figured out by using Boyle's law.

For Example, we can consider a rice cooker, when we cook rice we use a rice cooker because it uses the pressure inside to cook the rice quickly and more efficiently. When the rice cooker is turned on it starts to boil the water inside but the water couldn't escape that closed container which results in the increase of the internal pressure which is indeed greater than the external pressure.

To know more about Boyle's law click the link below:

https://brainly.com/question/18568751

The minimum amount of H₂SO₄ in grams needed to dissolve an aluminum block with a mass of 20.0 g is 30 g.

The reaction of aluminum and sulfuric acid is a redox reaction in which aluminum is oxidized and sulfuric acid is reduced. Since 2 moles of aluminum are needed to react with 3 moles of sulfuric acid, the mass of sulfuric acid needed to react with the aluminum block is 3 times the mass of aluminum.

Therefore, the mass of sulfuric acid needed to dissolve the aluminum block is 3 x 20.0 g = 60 g. However, since sulfuric acid is a compound, its molecular mass must be taken into account. The molecular mass of sulfuric acid is 98 g/mol, so the mass of sulfuric acid needed is 60 g/98 g/mol = 0.61 mol.

This means that the minimum amount of H₂SO₄ needed is 0.61 mol x 98 g/mol = 59.78 g.

know more about redox reaction here

https://brainly.com/question/13293425#

#SPJ11

One acre is equal to 0.0015625 square miles.

To find out how many square miles an acre is equal to, we must first convert the measurements into the same unit. An acre is equal to 43,560 ft² and one mile is equal to 5280 ft.

Therefore, to calculate the number of square miles in an acre, we must divide 43,560 ft²  by 5280 ft² , which results in 0.0015625 square miles. This means that one acre is equal to 0.0015625 square miles.

One acre is equal to 43,560 square feet, or 0.405 square miles. In other words, it takes 43,560 square feet of land to equal one acre, which is roughly the size of a football field.

know more about measurements here

https://brainly.com/question/2107310#

#SPJ11

The statement that best describes energy is energy is the ability to do work. Option 3 is correct.

Energy is a property or characteristic of a system or object that allows it to perform work. Work, in physics, is defined as the force applied to an object multiplied by the distance over which the force is applied. Energy can be transformed from one form to another, but it cannot be created or destroyed. It can only be transferred from one object or system to another.

Energy can be stored in different forms such as potential, kinetic, thermal, chemical, electrical, and nuclear energy. Potential energy is the energy that an object possesses due to its position or state, whereas kinetic energy is the energy of motion. Thermal energy is the energy of a system or object due to its temperature, and chemical energy is the energy stored in the bonds between atoms and molecules. Option 3 is correct.

The complete question is

Which statement best describes energy?

To know more about the Energy, here

https://brainly.com/question/1731364

#SPJ1

Hydrogen bonds result from attractive forces between molecules with polar covalent bonds.

Hydrogen bonds are commonly occuring bonds between hydrogen and high electronegative atoms. The atoms of latter category are oxygen, nitrogen and fluorine. Hydrogen atoms are not the strongest bonds, while covalent bonds are.

These are attractive forced that generate on appearance of partial postive and negative charges according to the polarity of atom. For instance, water and ammonia show hydrogen bonds. The partial positive atoms are hydrogen and partial negative atoms are fluorine, oxygen and nitrogen.

Learn more about hydrogen bonds -

https://brainly.com/question/11679211

#SPJ4

The landmark in question is the Leaning Tower of Pisa, which took almost 200 years to complete.

Galileo used this tower to conduct his famous experiment, where he dropped two objects of different masses from the top of the tower to prove that the speed of descent was independent of an object's mass. At the time when Viviani asserts that the experiment took place, Galileo had not yet formulated the final version of his law of falling bodies. He had, however, formulated an earlier version which predicted that bodies of the same material falling through the same medium would fall at the same speed. This was contrary to what Aristotle had taught: that heavy objects fall faster than the lighter ones, and in direct proportion to their weight.

To know more about speed of descent, click here:-

https://brainly.com/question/31417032

#SPJ11

Swelling soils occur when water is added to certain types of minerals called expansive clays.

Expansive clays, also known as swelling clays or shrink-swell soils, are minerals that have the ability to absorb water molecules and expand in volume. This expansion can cause significant damage to structures built on top of these soils, as well as to infrastructure such as roads and pipelines. Common types of expansive clays include montmorillonite, illite, and smectite. It is important for builders and engineers to identify and address swelling soils during the planning and construction phases to avoid costly damage and repairs in the future.

This process leads to the swelling of the soil, which can cause structural issues and instability in the ground. The water molecules get trapped between the layers of clay particles, causing the layers to separate and the soil to expand.

learn more about Swelling soils

https://brainly.com/question/29869373

#SPJ11

For a reversible reaction, the Keq (equilibrium constant) is equal to the ratio of the concentrations of the products to the concentrations of the reactants, each raised to their respective stoichiometric coefficients.

For a reversible reaction, the Keq, also known as the equilibrium constant, is equal to the ratio of the concentrations of products to reactants, each raised to the power of their respective stoichiometric coefficients. In other words, if the reaction is:

aA + bB ⇌ cC + dD,

then the Keq expression is:

Keq = ([C]^c * [D]^d) / ([A]^a * [B]^b)

where [A], [B], [C], and [D] represent the equilibrium concentrations of the respective species, and a, b, c, and d are their stoichiometric coefficients in the balanced chemical equation.

To know more about equilibrium:

https://brainly.com/question/15118952

#SPJ11

The meteorological balloon would occupy a volume of approximately 548.1 L at an altitude where the temperature is -52°C and the pressure is 0.750 atm.

To solve this problem, we will use the combined gas law, which is expressed as:

(P1 * V1) / T1 = (P2 * V2) / T2

Here, P1 and P2 are the initial and final pressures, V1 and V2 are the initial and final volumes, and T1 and T2 are the initial and final temperatures.

First, we need to convert the given temperature and pressure values to Kelvin and atm:

T1 = 22°C + 273.15 = 295.15 K
T2 = -52°C + 273.15 = 221.15 K

P1 = 740 mm Hg * (1 atm / 760 mm Hg) = 0.9737 atm

Now we can plug the values into the combined gas law equation:

(0.9737 atm * 250.0 L) / 295.15 K = (0.750 atm * V2) / 221.15 K

Next, we'll solve for V2:

V2 = (0.750 atm * 250.0 L * 221.15 K) / (0.9737 atm * 295.15 K)
V2 ≈ 357.8 L

So, the meteorological balloon would occupy a volume of approximately 357.8 L at an altitude with a temperature of -52°C and a pressure of 0.750 atm.

Learn more about volume at https://brainly.com/question/14197390

#SPJ11

Ionization energy refers to the amount of energy required to remove an electron from an atom or ion. The trend of ionization energy on the periodic table is that it generally increases from left to right across a period and decreases from top to bottom within a group. This is due to the increasing number of protons in the nucleus and the increasing distance between the outermost electrons and the nucleus.

The second ionization energy is always higher than the first ionization energy, as it requires more energy to remove a second electron from a positively charged ion.

Similarly, the third ionization energy is even higher than the second ionization energy, as it becomes more difficult to remove electrons from a positively charged ion with each subsequent removal.

This trend continues for each subsequent ionization energy.

To know more about Ionization energy :

https://brainly.com/question/1534353

#SPJ11

The statement 'the process of water evaporating from a glass in a hot room is spontaneous' is true because the propensity of water molecules to migrate naturally between regions of high and low concentration (liquid phase to vapor phase)

The process of water evaporating from a glass in a hot room is spontaneous.

Spontaneous processes are those that occur without the need for external energy input, and the process of water evaporating from a glass in a hot room occurs due to the natural tendency of water molecules to move from a region of high concentration (liquid phase) to a region of low concentration (vapor phase).

In this case, the hot room provides the necessary energy to overcome the intermolecular forces holding the liquid water molecules together and to allow them to escape into the air as water vapor.

To know more about water evaporation here:
https://brainly.com/question/936799#

#SPJ11

Element boron has a fixed charge, its charge is always +3.

The metals in group IIIA, IVA, and VA of the periodic table are not considered transition metals because they have partially filled d-orbitals, which is a characteristic of transition metals. However, most of these elements have variable charges, which means they can form ions with different charges.

In group IIIA, period 3 of the periodic table, the element boron (B) has a fixed charge of +3. This means that when boron forms an ion, it will always have a charge of +3. Unlike the other elements in its group, boron does not have any d-electrons, which is why it is not considered a transition metal.

It is important to note that while boron has a fixed charge, it still exhibits some characteristics of variable charge elements. For example, boron can form compounds with different oxidation states, such as boron trifluoride (BF3) and boron trioxide (B2O3), which have oxidation states of +3 and +3/+2, respectively.

Learn more about charge  : https://brainly.com/question/18102056  

#SPJ11

Answer:

it would take 36,893.71 joules of heat to increase 186 grams of water from 21.0°C to 69.9°C.

Explanation:

use brain

The difference between mass number and atomic mass, as well as how isotopes differ in their mass.

Mass number identifies an element and can be varied while still being the same element. It is the total number of protons and neutrons in the nucleus of an atom. For example, an element with 6 protons and 6 neutrons has a mass number of 12.

Atomic mass, on the other hand, is a weighted average of the mass numbers of all isotopes of an element, taking into account their relative abundance. It does not directly identify the element, but it can provide insight into the distribution of isotopes for that element. The atomic mass is usually expressed in atomic mass units (amu).

Isotopes of an element differ in their mass because they have different numbers of neutrons in their nucleus, even though they have the same number of protons. This variation in the number of neutrons causes the mass number to change, resulting in different isotopes having different masses.

For example, carbon-12 and carbon-14 are both isotopes of carbon, but carbon-12 has 6 neutrons while carbon-14 has 8 neutrons, leading to different mass numbers (12 and 14, respectively).

To know more about mass number and atomic mass :

https://brainly.com/question/29758519

#SPJ11

The pH of a buffer is A) 4.89.

To solve this problem, we need to use the Henderson-Hasselbalch equation for buffer :
[tex]pH = pKa + log([A-]/[HA])[/tex]

where pKa is the negative logarithm of the acid dissociation constant (Ka), [A-] is the concentration of the conjugate base (C2H3O2-), and [HA] is the concentration of the weak acid (HC2H3O2).

First, let's calculate the pKa:

[tex]pKa = -log(Ka) = -log(1.8 * 10^-5) = 4.74[/tex]

Next, let's plug in the values we were given:

[tex]pH = 4.74 + log([C2H3O2-]/[HC2H3O2])[/tex]

We know the concentrations of both C2H3O2- and HC2H3O2:

[C2H3O2-] = 0.160 M

[HC2H3O2] = 0.115 M

So, plugging in the values:

[tex]pH = 4.74 + log(0.160/0.115) = 4.89[/tex]

Therefore, the answer is A) 4.89.

Learn more about buffer : https://brainly.com/question/13076037  

#SPJ11

Transferring inner electrons to fill the outer electron shell is not a way to satisfy the octet rule is NOT a way to satisfy the octet rule. Option A is correct

The octet rule states that atoms tend to gain, lose, or share electrons in order to acquire a full outer electron shell with 8 electrons. In some cases, such as with elements in period 3 and beyond, it is possible for an atom to have more than 8 electrons in its outer shell. However, transferring inner electrons to fill the outer electron shell is not a valid way to satisfy the octet rule, as it would require significant energy input and is not a stable configuration for an atom.

Option A is correct

To know more about electrons here

https://brainly.com/question/860094

#SPJ1

Ice has the lowest entropy amongst the given substances.

The concept of entropy is used to quantify the level of chaos or unpredictability in a given system. As a substance shifts from a state of higher organization to one that is less structured, like going from solid to liquid or gas, its level of entropy inevitably rises.

B. Ice

In this case, ice is a solid state of water, and it has a more ordered structure than either liquid water, water vapor, or a water solution. Therefore, it has the lowest entropy of the options given.

Water in a liquid state has more entropy than ice, water vapor has more entropy than liquid water, and a water solution has more entropy than liquid water due to the presence of dissolved solutes.

To know more about entropy, click here

https://brainly.com/question/13135498

#SPJ1

Taking into account the definition of molarity and molar mass, the mass of lithium fluoride in 496 mL of a 0.8 M solution is 7.6388 grams.

Molarity is the concentration of a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

molarity= number of moles÷ volume

Molarity is expressed in units moles/L.

The molar mass is the amount of mass that a substance contains in one mole.

In this case, you know:

Replacing in the definition of molarity:

0.8 M= number of moles÷ 0.496 L

Solving:

0.8 M× 0.496 L= number of moles

0.2968 moles= number of moles

Now, you know:

Replacing in the definition of molar mass:

26 g/mole= mass of LiF÷ 0.2968 moles

Solving:

26 g/mole ×0.2938 moles= mass of LiF

7.6388 grams= mass of LiF

Finally, the mass of LiF is 7.6388 grams.

Learn more about molar mass:

brainly.com/question/5216907

#SPJ1

Condensation polymers are formed when bifunctional monomers, which means they have two reactive groups, undergo a chemical reaction where the reactive groups combine and release a small molecule, such as water or alcohol, as a byproduct.

This process is called condensation, and it results in the formation of a long chain polymeric molecule. Examples of condensation polymers include nylon, polyester, and proteins. These polymers have a variety of uses, ranging from clothing and textiles to biomedical applications.

Contrary to addition polymers, which entail the reaction of unsaturated monomers, condensation polymers are any kind of polymers created through a condensation process—where molecules link together—losing tiny molecules as by-products like water or methanol.

Learn more about Condensation polymers:

https://brainly.com/question/3538877

#SPJ11

They appear to be blobs, and that is all that can be seen. Beyond that, visible light wavelengths are longer than the structures you're interested in.

An atom is a fundamental particle of matter that contains at least one proton. An atom is the lowest amount of a substance capable of participating in a chemical reaction.

An atom is made up of a central nucleus and one or more negatively charged electrons. The nucleus is positively charged and contains one or more protons and neutrons, which are relatively heavy particles.

Here are some atom examples: hydrogen (H) and neon (Ne).

Learn more about Atom here:

https://brainly.com/question/17545314

#SPJ1