What is the function of the thick albumen in an egg?.

Answers

Answer 1

The function of the thick albumen in an egg is it provides the liquid medium to which the embryo develops. it serve to keep yolk in center.

The albumen consist of the 4 layers that thick and in thin consistencies. the yolk outward, they are designated. the thinner thick layer is chalaziferous white. the albumen provide the liquid  medium  in which the embryo develops it contains the large amount of the protein that is very necessary for the proper development in the egg. the fresh egg contain white cords attached to the yolk sac.

Egg albumen contains essential amino acids and full of protein.

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Related Questions

After completing Part D of the lab, Gino claimed their unknown R was acidic. What can Gino claim about the cation and anion of his salt? Choose all that apply. Assume this acidic property is due to only one of the ions. The cation is likely the lon of a transition metal The cation is likely the ion of a group 1 metal The cation is likely a conjugate of a weak base The anion is likely a conjugate of a strong acid The anion is likely a conjugate of a weak acid

Answers

When two or more compounds or elements come together to for a new compound, this is called conjugation and each compound or element is known as conjugate.

These are usually known for having double bonds.

Let us consider salt is CuSO₄(acidic).

CuSO₄ --> Cu₂ + SO₄²⁻

Cu₂⁺ is a conjugate of base Cu(OH)₂ which is a weak base.

SO₄²⁻ is a conjugate of strong acid H₂SO₄.

Therefore, the cation is ion of transition metal which is a true base and anion is conjugate of strong acid.

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suppose you have 150.0 ml of a 0.500 m sodium hydroxide solution. how many moles of sodium hydroxide are in the solution?

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The number of moles of sodium hydroxide (NaOH) in 200.0 mL of a 0.750 M sodium hydroxide solution is 0.15 moles.

The number of moles of a substance is found by multiplying the molarity by its volume as follows:

no. of moles (mol) = molarity (M) × volume (V)

A/Q,  150.0 mL of a 0.500 M sodium hydroxide solution is given. The number of moles is calculated thus:

no. of moles = 0.500 M × 0.15L

no. of moles = 0.075 moles

So, the number of moles of sodium hydroxide (NaOH) in 150.0  mL of a 0.500 M sodium hydroxide solution is 0.15 moles.

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calculate the ph of a 0.25 m solution of formate ion (hcoo-) 25 oc. pka for formic acid (hcooh) at this temperature is 3.77.

Answers

The pH of a 0.25m solution of formate ion (hcoo-) 25 degree celcius with pKa for formic acid (HCOOH) at 3.77 within this temperature is 8.58.

What is pH?

In chemistry, pH, which stands for "potential of hydrogen" is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions are the one with lower pH values, while basic solutions will have higher pH values.


Based from the question
HCOO⁻ formate ion solution

pKa of HCOOH = 3,77

HCOO⁻ is an active ion and undergo hydrolysis

HCOO ⁻ +H20 -> HCOOH + OH⁻

It will make a basic solution.

For such solution, pH is calculated by the following formula

pH = 1/2 (pKa + pKw + log c)

pKa = 3.77

pKw = ionic product of water

c = concentration of formate ion

pH = 1/2 (14 + 3.77 + log (0.25))

= 1/2 ( 14 + 3.77 - 0.620)

= 8.58

Therefore, pH of the solution is 8.58

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What is the most common character archetype?.

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One of the most prevalent literary tropes, regardless of its origins, is the Hero. Nearly every story includes a Hero, who can be dressed in spandex or chainmail or just be the person who stands up to the bully in the playground.

Why would someone wear spandex?

The majority of spandex fabrics are used in clothing where comfort and fit are both important, such as in hosiery, swimwear, exercise wear, socks, surgical hose, undergarments, gloves, cycling shorts, wrestling suits, rowing suits, and specialized clothing like zentai suits, motion capture suits, denims, etc.

What is the composition of spandex?

At least 85% of the weight of synthetic fibers that go by the name spandex are made of polyurethane. Because of their extreme elasticity, these fibers are frequently employed. Lycra, Numa, Spandelle, and Vyrene are examples of fibers in this category that bear trademarks.

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Titanium is extracted from titanium chloride as shown. Calculate
the mass of sodium needed to react with 126 g of titanium chloride.
TICL4 +
4Na Ti + 4NaCl

Answers

As per the given balanced reaction 4 moles or92 g of sodium is needed for one mole or 189.6 g of titanium chloride. Thus, the mass of sodium needed for 1256 g of TiCl₄ is 61.1 g.

What is titanium chloride?

Titanium chloride is an ionic compound formed by losing electrons from Ti to chlorine atoms. The molar mass of TiCl₄  is 189.6 g. Given the balanced reaction of titanium chloride with sodium metal.

The atomic mass of sodium is 23 g/mol. Hence 4 moles of sodium is 4 × 23 = 92 g. Thus, 92 g of sodium is needed to react with 189.6 g of TiCl₄ . Therefore, the mass of Na needed to react with 126 g of TiCl₄  is calculated as follows:

mass of Na = 126 g × 92 g/189.6g

                   = 61.1 g.

Hence, the mass of sodium metal required to react with 126 g of TiCl₄  is 61.1 g.

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design a synthesis of 2-bromo-1-chloro-4-nitrobenzene from benzene or any mono-substituted benzene. q1 part 1 out of 6 choose the best option for the immediate precursor to the target molecule. p1a p1a1 p1a2 p1a3 p1a4 p1a5

Answers

2-bromo-1-chloro-4-nitrobenzene is synthesized from benzene in the following sequence.

Chlorination of benzene:

This is the halogenation reaction of benzene. In this step, benzene is reacted with chlorine gas in the presence of a Lewis acid (i.e. FeCl3). This leads to the formation of chlorobenzene as shown in the red step below.

Nitration of chlorobenzene:

The chlorine atom of benzene has an ortho-paradirecting effect. Nitration of chlorobenzene thus yields para-nitrochlorobenzene as shown in the blue step below.

Bromination of 1-chloro-4-nitrobenzene:

Bromination is carried out in this step by reacting bromine in the presence of a Lewis acid. The chlorine, which is ortho-paratropic in nature, and the nitro group, which is metatropic in nature, orient the incoming Br+. (electrophilic) to the desired location. Therefore, 2-bromo-1-chloro-4-nitrobenzene is synthesized in good yield.

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How are Transcendentalism and Romanticism related?.

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A significant component of the Romantic movement, transcendentalism existed from around 1830 to 1860. Its presumed leader was Ralph Waldo Emerson.

A philosophical movement known as transcendentalism emerged in New England in the latter half of the 1820s and early 1830s. While society and its institutions have tainted the purity of the individual, a key notion is that people are at their best when they are really "self-reliant" and autonomous. Transcendentalists rejected the idea of distant heaven in favor of the idea that heavenly experience is inherent in the ordinary. Transcendentalists considered both physical and spiritual events to be parts of dynamic processes rather than distinct entities.

Transcendentalism was one of the first philosophical currents to arise in the United States, making it a crucial early development in the development of American philosophy. Its supporters claim that people are capable of producing fully original work by emphasizing subjective intuition above empirical empiricism.

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TRUE/FALSE mg of a drug to be added to 100 ml of d5w and administered over 45 minutes. the drug is available as 250 mg / 20 ml. the drop factor is 12 gtts/ml

Answers

Dr. Kline has ordered 500 mg of a drug to be added to 100 ml of D5W and administered over 45 minutes. The drug is available at 250 mg / 20 ml. The drop factor is 12 gtts/mL. You set the IV for 26.67 gtts/min (drops per minute)

To calculate drug dosage

IV Drip rate = (100 ml * 12 gtts/ml) / (45) = 26.67 gtts per minute.

A kind of glucose is dextrose (sugar). A vein receives an IV injection of 5% dextrose in water to replenish lost fluids and give the body carbs. Dehydration, insulin shock, and low blood sugar (hypoglycemia) are all treated with 5% dextrose in water (fluid loss)

5.0% Dextrose in Water (D5 or D5W, an intravenous sugar solution) A crystalloid that is both isotonic and hypotonic that is given to treat hypernatremia and provide the kidneys access to free water. While switching from D5W to saline as the default drug diluent had no impact on blood glucose control, it did increase the prevalence of hypernatremia and hyperchloremia while having no impact on the prevalence of AKI or mortality. For patients who are critically ill, D5W might be a better option as the default diluent. Dextrose (D5) is administered to stop catabolism. Change to LR if you intend to provide more than 3–4 liters of normal saline due to the possibility of "expansion acidosis." Normal people can receive dextrose at a rate of 0.5 g/kg/hour without experiencing glycosuria. Approximately 95% of the dextrose is retained at the maximal infusion rate of 0.8 g/kg/hour.

The complete question is:

Dr. Kline has ordered 500 mg of a drug to be added to 100 ml of D5W and administered over 45 minutes. The drug is available at 250 mg / 20 ml. The drop factor is 12 gtts/mL. You set the IV for ____ gtts / min.

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what is the name given to a solution that contains the maximum amount of solute that will dissolve in a solvent at a specific temperature?

Answers

Answer:

Saturated solution

Explanation:

A saturated solution contains the maximum amount of dissolved solute for a given amount of solvent at a specific temperature and pressure.

methyl
A hydrocarbon radical containing one positive charge (CH3).Neutral
Having no preference or tendency to move one way or the other; neither acid nor base.

Answers

Neutral having no preference or tendency to move one way or the other; neither acid nor base.

An atom in a molecule is given a formal charge (FC) if all chemical linkages involve equitable sharing of electrons among all atoms, regardless of their relative electronegativity.

[Number of valence electrons] = formal charge - [electrons in lone pairs Plus 1/2 the number of bonding electrons]

For carbon, there are 4 valence electrons.

There are two non-bonded electrons (it has a lone pair)

There are three bonds encircling carbon.

Consequently, formal charge = 4 - (2 + 3) = 4 - 5 = -1.

Formally, C in CH3 has a negative 1 charge.

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select from this list the one metal or alloy that is best suited for each of the following applications, and cite at least one reason for your choice:

Answers

List of metal or alloy that is best-suited include :

1) Block of an internal combustion engine is made of grey cast iron because it is ductile and hard enough to bear the loads.

2) Steam heat exchanger is made up of stainless steel material as it has high resistance to corrosion and has the capacity to bear high-temperature differences.

3) For jet engine turbofan blades, titanium alloys are being used because they can able to bear high pressure and high energy loads.

4) Tool steel is used to make drill bit material as it has high tensile and point strength.

5) Aluminum alloys are used for cryogenic applications as it is the best suited for work at low temperatures.

6) Magnesium is used for pyrotechnics as it gives works on the effect of heat, light, and gas.

Alloy, a metallic substance composed of two or more elements, as both a compound or a solution. The components of alloys are ordinarily themselves metals, though carbon, a nonmetal, is an essential constituent of metal.

Alloys, in trendy, are more potent and harder, less malleable, much less ductile, and greater corrosion-resistant than the alloy's predominant metallic.

An alloy is created with the aid of mixing metallic with another issue, both any other metal or a nonmetal substance. Metallic alloys are commonly made by means of melting the substances, mixing them collectively, after which letting them cool to room temperature, ensuing in a strong material.

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the compound zinc iodide is a strong electrolyte. write the reaction when solid zinc iodide is put into water. include states of matter in your answer.

Answers

The compound zinc iodide is a strong electrolyte because it dissociates into the solution easily and also conducts easily.

A strong electrolyte is a solute or solution that is an electrolyte that completely dissociates in solution. The solution will usually contain only ions and no molecules of the electrolyte. Strong electrolytes are good conductors of electricity, but only in aqueous solutions or in molten form. The comparative strength of an electrolyte may be understood using a galvanic cell. The stronger the electrolyte, the greater the voltage produced.

The dissociation of a strong electrolyte is generally by its reaction arrow, which only points toward products. In contrast, the reaction arrow of a weak electrolyte points in both directions.

The general form of the strong electrolyte equation is:

strong electrolyte (aq) → cation+ (aq) + anion- (aq)

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1 g of a white powder is placed in a 1l flask, when the flask is heated to 375 celsius, the powder completely vaporizes and the resulting presssure is in the flask 226.8 torr. if the powder is 94.3% c and 5.7% h by mass, show that the molecular formula of the powder is c14h10

Answers

An equilibrium response is a chemical reaction between the reactants that remains in a solid nation earlier than and after the final touch of the reaction chemical equilibrium, the situation in the path of a reversible chemical reaction wherein no net exchange within the amounts of reactants and merchandise occurs.

Calculation;

Volume(V) = 1.00L

Temperature(T) = 375°C = 648K

Pressure(P) = 226.8 torr × (atm/ 706torr) = 0.298atm

R = 0.08206 atm mole ⁻¹K⁻¹

PV  = nRT

n = PV/RT

= (.208×100)/(.08206×648) = 00561 mole

Mass of powder = 1.00g

1.00/.00561 = 178.2 g/mole

Mass percent C = 94.3% = 94.3g

H = 5.7% = 5.7 g

94.3 × (mole C/12g) = 7.86 mole C

5.7 × (mole H/ 1.0g) = 5.64 mole H

7.86 / 5.64 = 1.4 × 5  = 7;  7(12) + 5(1.01) = 89.05

5.64 / 5.64 = 1 × 5 = 5;  

emp form mass = C₇H₅

178/mole/89.05/mole = 2

(C₇H₅)₂ = C₁₄H₁₀

It may be tempting to assume that after equilibrium has been reached, the response stops. Chemical equilibrium is a dynamic system. The ahead and reverse reactions continue to arise even after equilibrium has been reached. However, because the charges of the reactions are identical, there's no trade inside the relative concentrations of reactants and merchandise for a response that is at equilibrium.

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Do animals release water vapor to the atmosphere?.

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When animals breathe out, they also emit water vapor into the atmosphere. This is referred to as respiration.

Some of the water that falls to the ground is stored by the earth. Water is excreted by animals through respiration and urine. In animals, the process is known as perspiration or sweating. Evaporation and transpiration convert liquid water into vapor, which rises into the atmosphere as air currents rise. Water vapor, also known as water vapor or aqueous vapor, is the gaseous state of water. It is a type of water in the hydrosphere.

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How do you write 3 times a day on a prescription?.

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When written on a prescription, the term "t.i.d." refers to three times per day. It stands for "ter in die," which, when translated from Latin, means three times per day.

Prescriber information: The top of the prescription form should clearly print the doctor's name, address, and phone number. The doctor's state license number must be on the form, according to several states. Your Drug Enforcement Administration (DEA) number should not be preprinted on the prescription pad. If that number is readily available, it makes it too simple for drug addicts to steal a few prescription forms for illegal usage. On non-controlled prescriptions, the DEA number is not necessary, however many pharmacies could ask for it along with the prescription to help with the patient's pharmaceutical insurance claims. Whoever does not use their DEA number should: The DEA number is frequently used to track prescription usage. Unless it is used, that number

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part a in the video, the semipermeable membrane separates the two solutions of different concentrations. watch the video, and identify which of the following statements are correct. check all that apply. view available hint(s)for part a in the video, the semipermeable membrane separates the two solutions of different concentrations. watch the video, and identify which of the following statements are correct.check all that apply. the movement of the solvent particles from the concentrated solution to the dilute solution is known as reverse osmosis. solute particles can move in both directions through the semipermeable membrane. a pressure equal to that of the osmotic pressure will result in reverse osmosis. osmosis occurs when the solvent molecules move from a solution of higher solute concentration to a solution of lower solute concentration. the solvent can ideally move in both directions through the semipermeable membrane.

Answers

The solvent can ideally move in both directions through the semipermeable membrane.

The movement of the solvent particles from the concentrated solution to the dilute solution is known as reverse osmosis.

Osmosis is the naturally occurring net movement or diffusion of solvent molecules across a selectively permeable membrane from an area of high water potential to a region of low water potential in a manner that tends to balance the solute concentrations on the two sides.

Osmosis is the process by which a solvent moves between two solutions with various solute concentrations over a semipermeable membrane. The solvent is transferred from the solution with the lower solute concentration to the solution with the greater solute concentration during osmosis.

When subjected to a hydrostatic pressure larger than the osmotic pressure, reverse osmosis is a process by which a solvent travels through a porous membrane in the direction opposite that of natural osmosis.

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What are the 4 types of sanitizer?.

Answers

Chlorine-based cleansers, quaternary ammonium, peroxyacetic acid, and iodine sanitizers are all included in the statement.

What exactly does "sanitizer" mean?

a substance or object intended to reduce or remove hazardous components (like bacteria) from surfaces. Beginning in September, sales of hand sanitizers with alcohol remained about 17percent on average higher then they were at the exact time last year.

Is alcohol a potent sanitizer?

However, antimicrobials with 60 and 95% methanol are suitable in general. The Center for Prevention and Control recommends formulas that contain 75% isopropyl alcohol and 80% (percent amount) ethanol.

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Write the equation for the equilibrium contant, K, for the binding of oxygen to hemoglobin

Answers

Equilibrium constant K for the reaction can be written as,

   K = [C]c  [D]d / [A]a  [B]b

In the absence of oxygen, cells cannot carry out their biochemical responsibilities. Oxygen moves to the cells attached to hemoglobin. Equilibrium constant is the value of its reaction quotient. The equilibrium constant, K, expresses the relationship between products and reactants of a reaction at equilibrium with respect to a specific unit. The equilibrium constant K is the ratio of the mathematical product of the concentrations of the products of a reaction to the mathematical product of the concentrations of the reactants of the reaction. protein hemoglobin which binds oxygen in your lungs and carries it to other tissues of your body. hemoglobin bind oxygen tightly so that a large fraction of the hemoglobin will pick up an oxygen before cycling back through the other tissues. However, in the other tissues, one wants hemoglobin to bind oxygen loosely so that it can be easily relinquished for use in respiration. Each concentration is raised to the power of its coefficient in the balanced chemical equation.

suppose a general reaction written,

              aA + bB--->  cC + dD

For the reaction equilibrium constant can be written as,

             Keq = [C]c  [D]d / [A]a  [B]b

The reaction of equilibrium of hemoglobin is,

    Hb(CO)4 + 4O2  ⇌  Hb(O2)4 + 4CO

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What is a full shell of electrons?.

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The most stable electron configuration is one with a complete valence shell. The valence shells of elements in other groups are only partially filled.

And they either gain or lose electrons to reach a stable electron configuration. By giving or taking away an electron, they can produce a stable configuration and a filled outer shell. The arrangement of electrons in atomic or molecular orbitals of an atom, molecule, or other physical structure is referred to as the electron configuration in atomic physics and quantum chemistry. Called as electron configuration.

A pure substance known as an element is made up of only one sort of atom, each of whose nuclei contains the identical number of protons. It's pretty unusual to ask about the mental nature of the word "element."

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Use a sheet of paper to answer the following question. When complete, take a picture of your answer and attach the file to this assignment. Draw the products obtained in each of the following reactions, assuming that only one equivalent of each reagent is used in each case: HBr Br2

Answers

When an alkene reacts with a hydrogen halide, such as hydrogen bromide (HBr), a substitution reaction occurs. Similarly, When an alkene reacts with bromine, a bromonium ion intermediate is formed.

This is known as an addition reaction, as the hydrogen halide adds across the double bond of the alkene. During this reaction, the hydrogen atom of the hydrogen halide bonds with one of the carbons of the alkene, while the halide (chlorine in the case of HCl) bonds with the other carbon.

This creates a new single bond between the carbons, and produces a halogenated alkane, with a chlorine atom bonded to the carbon atoms that were previously bonded by the double bond. The other product of the reaction is hydrogen chloride (HCl), which is a gas and is released into the atmosphere.

When an alkene reacts with bromine, a bromonium ion intermediate is formed. This occurs when the bromine molecule attacks the double bond in the alkene and forms a bridge between the two carbon atoms.

A bromine atom is then displaced from the bromine molecule, resulting in a bromonium ion with a positive charge on the carbon that was attached to the bromine molecule.

This bromonium ion is attacked by a second bromine molecule, resulting in the formation of a vicinal dibromide molecule.

This is a stereospecific reaction, meaning that it will produce two different stereoisomers of the dibromide product, depending on the orientation of the bromonium ion intermediate.

The reaction of an alkene with bromine is an example of an electrophilic addition reaction, which is a type of reaction that involves the addition of an electron-deficient species to an electron-rich species.

This type of reaction is important in organic synthesis, as it allows for the formation of carbon-carbon bonds and can be used to synthesize a variety of compounds. The images of the products are attached below for both cases.

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the barrier to rotation about the c-c bond of bromoethane is 3.6 kcal/mol. what energy value can be assigned to an h-br eclipsing interaction?

Answers

The highest energy strong form and enhance productivity has stain power of 15Kj/mole due to two H-H eclipsed events with the a smear energy of 4Kj/mole. Thus, the H-Br eclipses factor is 15-2(4) = 7Kj/mole.

What is the purpose of bromoethane?

Ethane with a bromo substituent is called bromoethane, a bromoalkane. It functions as an alkylating agent and is a common chemical building block in many synthetic strategies. It functions as a solvent, a coolant, a local anesthetic, an alkylating agent, and a carcinogen.

Is bromethane prohibited?

As a result, the 1997 Montreal Convention on Ozone Depleting Substances' phase-out criteria apply to it. Bromomethane was included in the list of ODS to also be phasing down by the London Amendments in 1990.

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what substance is produced at the cathode during the electrolysis of molten calcium bromide, cabr2 ? assume standard conditions. express your answer as a chemical formula.

Answers

The product that get deposited at the cathode of the electrolytic cell has been the Bromine .

Electrolysis has been defined as the decomposition of the chemical compound in the presence of  electric current. The product of the chemical reaction has been the deposited on the anode and cathode of the electrolytic cell. The anode inside the cell has been  negative electrode and attracts the positive ions inside the solution. The cathode has been the positive electrode, and attract the negative ions.

The decomposition of calcium bromide results in the formation of calcium and bromine ions .The product deposited at the cathode of the electrolytic cell has been the Bromine .

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or a polymer-matrix fiber-reinforced composite, (a) list three functions of the matrix phase. (b) compare the desired mechanical characteristics of matrix and fiber phases. (c) cite two reasons why there must be a strong bond between fiber and matrix at their interface.

Answers

Functions of a matrix phase:

1. For binding of the fibers so that the applied stress can be distributed.

2. Matrix phase protects the surface and inhibits the fibers from external damage.

3. Crack occurrence and crack spreading are reduced by separating the fibers

The matrix phase has the mechanical characteristics of good ductility, low elastic modulus, and relatively easy to mold whereas the fiber phase is able to withstand force and is also brittle, and stiff to improve overall toughness.

There must be a strong bond b/w fiber and matrix because :

1. To minimize the risk of failure due to fiber taking off.

2. To improve the stress progression from fiber to matrix and vice versa.

A polymer is a substance or material together with very large molecules referred to as macromolecules, composed of many repeating subunits. Due to their vast spectrum of homes, both synthetic and natural polymers play vital and ubiquitous roles in regular lifestyles.

Products made from polymers are all around us: garb made from synthetic fibers, polyethylene cups, fiberglass, nylon bearings, plastic bags, polymer-primarily based paints, epoxy glue, polyurethane foam cushion, silicone heart valves, and Teflon-covered cookware.

A number of the beneficial houses of diverse engineering polymers are excessive electricity or modulus-to-weight ratios, toughness, resilience, resistance to corrosion, lack of conductivity, color, transparency, processing, and coffee price.

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Which activity can reduce the amount of carbon in the atmosphere ?.

Answers

a tree farm A tree loses its capacity to take in the atmosphere's carbon dioxide when it is cut down. Carbon dioxide with in atmosphere is absorbed and stored by trees.

Give an example and describe the atmosphere.

The clouds one sees in the sky, the breeze that rustles the leaves of the trees or the flag on the schoolyard, and even the warmth of the sun that one feels on their skin are all effects of the atmosphere of Earth. Up to ten thousand miles (6,214 km) above the surface of the planet, the atmosphere of Earth is present.

What components makes up the atmosphere?

It is a concoction of several gases. Around 78 percent of the atmosphere in Earth's atmosphere comprises nitrogen, while only 21 percent is oxygen. Other gases including atmospheric co2, neon, and hydrogen are also present in very minute concentrations in air.

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What happens to the water in clothes drying in the sunshine?.

Answers

Wet clothes dry in the sun due to evaporation. This is because heat energy from the sun is taken by water in wet clothes and it gets evaporated. This process is evaporation.

What is evaporation ?

On the surface of a liquid as it transitions into the gas phase, evaporation is a type of vaporisation that takes place. When the rate of evaporation of water is affected by humidity, for example, a high concentration of the evaporating substance in the surrounding gas significantly slows down evaporation.

The water molecules in the clothing become excited when exposed to sunlight, evaporating, and the water vapour is released into the atmosphere. complete, step-by-step response A liquid can become a gas or a vapour through the process of evaporation.

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with all other conditions being equal (t, p), which of the following gases would you expect to have a larger henry's law constant than n2?
a. Ar
b. NH3
c. He
d. Ne

Answers

With all other conditions being equal (t, p),  the following gases would you expect to have a larger henry's law constant than N₂ is He.

The Henry's law constant is inversely directly proportional to the solubility.

KH = ∝ 1 / solubility

higher the solubility , then lower will be the henry's law constant value. the lower will be the solubility then higher will the henry's law constant value. the larger henry's law constant than N₂ is He.

Thus, With all other conditions being equal (t, p),  the following gases would you expect to have a larger henry's law constant than N₂ is He.

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a solution is prepared by adding 1.50 g of solid cacl2 to a volumetric flask to make 100.0 ml of aqueous solution. what is the molarity of the final solution?

Answers

The molarity of 1.50g of [tex]CaCl_2\\[/tex] in 100 ml of the aqueous solution is 0.135M.

What is the molarity (M) of a solution?

It is the number of moles of solutes per liter of the solution. It depends upon the volume of the solution.

The equation for calculating the molarity is as follows:

[tex]M= \frac{n}{V}[/tex]

Where,

M= Molarity of the solution

n= number of moles of solute

V= volume of solution in liters

Calculation:

The chemical formula of calcium chloride = [tex]CaCl_{2}[/tex]

The molecular weight of calcium chloride = 110.98 g/mol

The number of moles  [tex]CaCl_{2}[/tex] is calculated using the following formula,

[tex]n=\frac{mass in grams}{molecular weight} \\ \\ =\frac{1.50}{110.98} \\ \\ = 0.0135 moles[/tex]

The volume of solution in liters= 0.1 L

Therefore molarity of the solution = [tex]\frac{number of moles of solute}{volume of solution in litre}[/tex]

                                                        =[tex]\frac{0.0135}{0.1}[/tex]

                                                        = 0.135M

The molarity of the calcium chloride is 0.135M.

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approximately how many half-lives must pass for the amount of radioactivity in a substance to decrease to below 0.5 %% of its initial level?

Answers

The amount of radioactivity in a substance to decrease to below 0.5 %% of its initial level is 8 half-lives.

Radioactivity is the phenomenon of the spontaneous disintegration of unstable atomic nuclei to atomic nuclei to shape more energetically stable atomic nuclei. Radioactive decay is an extraordinarily exoergic, statistically random, first-order technique that happens with a small amount of mass being converted to electricity.

Calculation:-

The rate of radioactive decay is often characterized by the half-life of a radioisotope.

Half-life (+1/2) is the time of its initial level.

this w This can also be solved by way:-

N = No ( + ) where, N

= initial round

= 8 half-lives.

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strategies that limit or prevent greenhouse gas emissions and/or enhance activities that remove these gases from the atmosphere are known as:

Answers

The term "Green Power Partnership" refers to tactics that reduce or eliminate greenhouse gas emissions and/or increase activities to decrease greenhouse gas.

The U.S. EPA's Green Power Partnership (GPP) is a voluntary programme that promotes the use of green power by businesses as a way to lessen the negative environmental effects of using conventional electricity. More than 1,300 Partner organizations currently use millions of kilowatt-hours of green energy on a voluntarily basis for the Partnership. Is known as Green Power Partnership

A greenhouse gas (GHG or GhG) is a gas that produces the greenhouse effect by absorption and emission of radiant energy in the thermal infrared range. The main greenhouse gases on Earth are water vapour and methane.

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a deep underground cavern contains 2.24 x 106 l of ch4 gas at a pressure of 1.50 x 103 kpa and a temperature of 420c. how many moles of ch4 gas does the cavern contain?

Answers

I'll assume the volume is 2.24x106 L.

Use the ideal gas law to find moles

PV = nRT

What appearance do the malignant moles have?

An uneven border The shape of the edges is frequently jagged, serrated, or blurry. The surrounding skin may become covered in the pigment. Inconsistent color: There might be black, brown, or tan tones. There may also be patches of white, black, red, pink, or blue.

What forces moles to appear overnight?

In most cases, it is believed to be a combination of both genetic factors and solar exposure. Moles typically appear during childhood and adolescence and develop differently as you age.

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