what is the relationship between the edge length of a unit cell and atomic radius in a hexagonal closest packed crystal structure?

A woman with a molar pregnancy at risk for disseminated intravascular coagulation (DIC) beacuse (a) molar tissue releases chemicals that raise clotting factors. When cells that would typically develop into a foetus grow abnormally in the uterus, it is known as a molar pregnancy.

When cells that would typically develop into a foetus grow abnormally in the uterus, it is known as a molar pregnancy. These cells develop into a lump or tumour that resembles a cluster of grapes during a molar pregnancy. The placenta in this tissue is abnormal and the pregnancy is not viable.

"Procoagulants" are chemicals that molar tissue releases into the blood. Procoagulants are chemicals that help blood clot. Disseminated intravascular coagulation (DIC), a medical disease wherein tiny blood clots form all over the body and cause the depletion of clotting factors and platelets, can be brought on by the release of these substances.

Hence, this may result in irregular bleeding and it may aslo lead to damage of organs.

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The Potential energy of the body is 11.8 Joules

The mechanical energy of the egg is given by the formula:

Mechanical energy = Potential energy + kinetic energy

Given the following parameters;

From the formula:

Potential energy = ME = KE

Potential energy = 2.3 - 05

Potential energy = 1.8 Joues

Hence the potential energy of the body is 11.8 Joules

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Answer:

The physical properties of matter are those characteristics that can be measured without altering the atomic structure, while the chemical properties of matter are those characteristics that result in a change in the atomic structure.

If there are equal moles of each gas, what is the partial pressure of H₂ is 0.362.

The pressure that one of the gases in a mixture would exert if it were in the same volume on its own.

According to the Dalton's law of partial pressure

The Partial pressure of a gas = (Total pressure × mole fraction of the particular gas)

Partial pressure of H₂ is

\(\dfrac{1.81}{5.00} = 0.362\)

Thus, the partial pressure of H₂ is 0.362.

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Answer:

185K

Explanation:

After the molecules mix, they reach a thermal equilibrium.....

Teq =(T1 + T2)/2 =(100+300)/2 =200K

since 185K is closer to 200K than the other options... Therefore the possible equilibrium temperature is 185K

We are given an initial temperature of the system, T1, as:

T1 = 300 K

After the divider is removed, the system will reach thermal equilibrium. According to the second law of thermodynamics, heat will flow from the hotter object to the colder object until the temperatures equalize.

This means the final temperature of the system after the divider is removed will be somewhere in between the initial temperatures of the two parts.

So considering the four answer choices:

A) 100 K - This is too low, the final temperature will be higher than 100K

B) 75 K - Also too low

C) 325 K - This is the initial temperature of one part, so the final temperature cannot be 325K

D) 185 K - This is a plausible final temperature in between 100K and 300K

Therefore, the answer is likely to be D) 185 K

In short, the key points are:

Heat will flow from the hotter to colder object until temperatures equalize

The final temperature will be somewhere in between the initial temperatures of the two parts

Answer choices A,B and C are too low or the same as one of the initial temperatures

Only D) 185K is a plausible intermediate temperature between 100K and 300K

Answer:A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . The solute is the substance that is being dissolved, while the solvent is the dissolving medium.

Explanation:A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . The solute is the substance that is being dissolved, while the solvent is the dissolving medium.

PLEASEEEEE CAN SOMEONE HELP MEEE??? (iI have TWO questions PLSPLSPLSPSLPLSPLSPLSP)

3.) What happened to Patroclus at the end of yesterday's reading?

He won the battle.

He went to Mt. Olympus to talk to Zeus.

He died.

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4.Who was Agamemnon trying to persuade to come fight with him again?

Patroclus

Achilles

Odysseus

Hector

Answer:

the answer is D

Explanation: i took the test and it was correct

Answer:

Explanation to the following question is as follows;

Explanation:

Any phenomenon that would have the potential to cause severe death or property damage is considered a danger. When the potential for devastation is realised, a hazard becomes a disaster. All catastrophes are risks, but not all risks are catastrophes. Hazards do not always result in devastation.

Answer:

I hope this will help you.

Bromoethane and aqueous KOH reaction:

When a bromoethane is treated with aqueous KOH, one of the products of the reaction is a primary alcohol, ethanol.

The reaction:

CH3CH3Br + KOH (aq) ==> CH3CH2OH + KBr

Answer:

Explanation:

Vale, y entonces que ahora???

An electron domain consists of ; All of the above options  i.e.  a ) nonbonding pair of electrons   b) a single bond     c) a multiple bond.

An Electron domain is the number of bonded locations ( lone pair or bonded ) found around an atom. and the bond location is independent of the type of bonding existing between atoms in a molecule.

Electron domain are also known as electron groups. the types of electron domain are ; nonbonding pair of electrons and bonded atom.

Hence we can conclude that An electron domain consists of ; nonbonding pair of electrons,  a single bond and  a multiple bond.

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Answer:

If they mean the type of animal in the first question, they are both foxes.

They have different fur colors and are in different location/habitats

Yes, they are the same animal because they have almost the same features; Their fur color is different so they can blend better into the environment around it.

Explanation:

I hope this helps

Answer:

The answer would be B.

Explanation:

Answer:

D. The catalyst could absorb one of the particles, making a successful (reaction-producing) collision with the other particles more likely.

Explanation:

The way that a solid (heterogenous) catalysts functions is by the reactant getting adsorbed to the surface of the catalyst at active sites. An interaction between the surface of the catalyst and the reactant makes the reactants more reactive, causing the reaction to happen.

Catalyst can absorb one particle and makes successful collisions with other particles. Therefore, option (D) is correct.

Catalysis can be described as the process of increasing the rate of a reaction by adding a substance called a catalyst. Catalysts are generally not consumed in the chemical reaction and remain unchanged after it.

The catalyst recycles quickly, and very small amounts of catalysts are sufficient, mixing, surface area, and temperature are factors in the reaction rate. Catalysts react with one or more reactants to create intermediates that give the final reaction product.

Catalysis is homogeneous, whose components are dispersed in the same phase as the reactant, or heterogeneous Catalysis, whose components are not in the same phase.

The addition of a solid catalyst could increase the rate of the reaction because catalysts increase the frequency of the successful collision as more molecules have activation energy.

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\(K_{sp\), solubility product constant for SrCO₃ is approximately 9.3 x 10⁻¹⁰.

To find the solubility product constant (\(K_{sp\)) for SrCO₃, we'll first need to write the balanced chemical equation and determine the molar solubility.

Balanced chemical equation: SrCO₃(s) ⇌ Sr²⁺(aq) + CO₃²⁻(aq)

From the given solubility of 0.0045 g/L, we can calculate the molar solubility. The molar mass of SrCO₃ is approximately 147.63 g/mol.

Molar solubility = (0.0045 g/L) / (147.63 g/mol) ≈ 3.05 x 10⁻⁵ mol/L

Now, let's express the equilibrium concentrations in terms of x, where x is the molar solubility of SrCO₃:

[Sr²⁺] = x = 3.05 x 10⁻⁵ mol/L

[CO₃²⁻] = x = 3.05 x 10⁻⁵ mol/L

\(K_{sp\) is the product of the equilibrium concentrations of the ions:

\(K_{sp\) = [Sr²⁺][CO₃²⁻] = (3.05 x 10⁻⁵)(3.05 x 10⁻⁵) ≈ 9.30 x 10⁻¹⁰

Rounded to two significant digits, \(K_{sp\) for SrCO₃ at 25°C is approximately 9.3 x 10⁻¹⁰.

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Answer:

[H+] = 10^-2

Explanation:

pH = -log[H+]

2 = -log[H+]

[H+] = 10^-2

Answer:

0.105 KCl

Explanation:

(Step 1)

If the solution is 32.7% KCl, we can assume that there are 32.7 grams KCl in the solution. This means that there would be 67.3 grams H₂O (100% - 32.7% = 67.3%) in the solution.

32.7% KCl = 32.7 g KCl

67.3% H₂O = 67.3 g H₂O

(Step 2)

Now, we need to convert both the solute (KCl) and the solvent (H₂O) into moles. This can be done by multiply the grams of each substance by their molar masses.

32.7 g KCl              1 mole
------------------  x  --------------------  = 0.439 mole KCl
                               74.55 g

67.3 g H₂O           1 mole
------------------  x  -----------------  =  3.74 moles H₂O
                             18.016 g

(Step 3)

Finally, we can calculate the mole fraction of KCl using the following equation. The final answer should have 3 sig figs to match the given value with the lowest amount of sig figs (32.7 g).

                                             moles of solute
Mole Fraction  =  -----------------------------------------------------  
                              moles of solute + moles of solvent

                                            0.439 mole KCl
Mole Fraction  =  ------------------------------------------------------  
                              0.439 mole KCl + 3.74 moles H₂O

Mole Fraction  =  0.105 KCl

Answer:

when electrons are shared between two atoms

Explanation:

Ionic bonding is when two elements gain and lose electrons and protons until their last shell is full

Among the given weak bases, aniline is the weakest electrolyte in an aqueous solution.What is an electrolyte?An electrolyte is a substance that conducts electricity in an aqueous solution or in a molten state.

In water, they break up into ions and conduct electricity. Electrolytes may be categorized into two types: strong and weak electrolytes. Strong electrolytes dissociate completely into ions in aqueous solution, whereas weak electrolytes only partially dissociate into ions and exist in equilibrium with undissociated molecules. In the given weak bases, aniline is the weakest electrolyte.

Here's how to solve the problem: Aniline has a Kp of 4.0 × 10-10, which is the smallest value of Kp among all the given weak bases. Therefore, aniline is the weakest electrolyte in an aqueous solution.

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Yes, the argon atoms exert a greater pressure on the walls of the container because they are more massive.

Argon is a noble gas that has a mass of approximately 40 atomic mass units, which is significantly greater than the mass of lighter gases such as hydrogen and helium.The pressure exerted by a gas in a container is directly proportional to the number of gas molecules present and the average kinetic energy of those molecules.

The mass of gas molecules also has a direct impact on the pressure exerted by a gas.When argon molecules are present in a container, they collide more frequently with the walls of the container than lighter molecules such as hydrogen or helium.

These frequent collisions result in a greater pressure being exerted by the argon on the walls of the container than the lighter gases, given the same conditions of temperature and volume.

Thus, since the argon atoms are more massive, they exert a greater pressure on the walls of the container.

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The mass of the calorimeter (no lid) and water is measured to be 52.31 g. the mass of water in the calorimeter is approximately 39.85 g. It is important to note that this value is an approximation since the measurement of the graduated cylinder may introduce some uncertainty.

To determine the mass of water, we need to subtract the mass of the empty calorimeter from the total mass measured. Given that the mass of the empty calorimeter is 12.46 g, we can calculate the mass of water as follows:

Mass of water = Total mass - Mass of calorimeter

Mass of water = 52.31 g - 12.46 g

Mass of water = 39.85 g

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Answer:

wavelength

Explanation:

Answer:

mark as brainliest pls

Explanation:

Hematite can be described as a rock which contains a lot of iron. Hematite is an ore of iron from which substantial amount of iron can be won at profit depending on prevailing economic conditions in a place

Answer:10

Explanation:

Multiply the volume by the density to get the mass.

Divide the mass by the molar mass to get the number of moles.

Answer:

Diatomic molecules consist of two atoms bonded together. In contrast, monatomic elements consist of single atoms (e.g., Ar, He). Many compounds are diatomic, such as HCl, NaCl, and KBr. Diatomic compounds consist of two different elements. There are seven pure elements that form diatomic molecules.

Answer: The answer is 4.5e+27 grams, I hope I helped!

Explanation: N/A (I threw away my paper ^^")

To determine the number of moles of B present at 10 s, we need to use the stoichiometry of the reaction. From the balanced equation, we know that 1 mole of A reacts to form 1 mole of B.

At the beginning of the reaction (t=0 s), we have 0.124 mol of A. At 10 s, the amount of A that has reacted is the difference between the initial amount and the amount at 10 s:

0.124 mol - 0.110 mol = 0.014 mol of A has reacted.

Since the reaction is 1:1, this means that 0.014 mol of B has been formed. Therefore, at 10 s, there are 0.014 mol of B present in the flask.

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The correct answer for this question is "A new system of units will have to be formulated."

When the mass (kg), force (N), and length (m) are the base units, it forms the SI system.

Therefore, the SI system is not appropriate in this scenario since it has meter, kilogram, and second as its base units. The only option remaining is to form a new system of units that would support these base units in order to resolve the problem.The Metric system is a popular system that is used all around the world. It is quite simple and has three main base units which include mass (gram), length (meter), and time (second). However, it is not acceptable for the aforementioned scenario. Instead, a new system of units will have to be formulated that would support the base units of mass, force, and length.

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Answer:

Five points of Dalton's atomic theory:

1) all elements are made up of atoms.  

2) atoms are so small that they cannot be divided any further.  

3) an atom can neither be destroyed nor be formed.  

4) atoms of an element are similar, they possess the same mass and same properties.  

5) atoms of different elements combine in a definite ratio to form compounds.  

Due to further experimentation, it was concluded that an atom is made up of small particles identified as protons, neutrons, and electrons. They can be further subdivided.

Another change is the presence of isotopes of atoms of different elements. Hence, atoms of the same element can also have different masses.

Hope this helps, have a nice day/night! :D

As per Dalton's atomic model atoms are the minuscule, distinct building blocks of all stuff.

What is Dalton's atomic model?

Dalton proposed that the concept of atoms may be used to explain the laws of conservation of mass as well as definite proportions. He proposed that atoms, of the kind, that he described as "solid, tightly compacted, hard, impenetrable, moving particle," are the smallest, indivisible units of matter.

Dalton's atomic model is as fellow:

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