a polymerization reaction is a process that joins together monomers to create very long polymer chains, which can be thought of as:

The heat of vaporization or the vapor strain at any temperature.

Thermodynamics is a branch of physics that offers heat, paintings, and temperature, and their relation to electricity, entropy, and the bodily homes of being counted and radiation.

Thermodynamics is the study of the family members between warmth, paintings, temperature, and energy. The legal guidelines of thermodynamics describe how the power in a gadget changes and whether or not the gadget can carry out useful work in its environment.

Fourth law of thermodynamics the dissipative element of evolution is in a course of steepest entropy ascent. The zeroth regulation of thermodynamics was acknowledged earlier than regulation I of thermodynamics. motive.

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Absorbance is measured using a spectrophotometer or microplate reader, which is an instrument that shines light of a specified wavelength through a sample and measures the amount of light that the sample absorbs.

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The energy can travel through empty space without being carried in or by any matter is light.

What is light?

light is an electromagnetic wave and it can travel through a vacuum such as the empty parts of outer space. electromagnetic wave means it has both the proprties of electric field and magnetic field. In a model, a changing electric field creates a changing magnetic field. This changing magnetic field then creates a changing electric field and light.

What is the travelling speed of light?

In empty space, light travels at a speed of about 300,000 km/s. It does not require any substance or material to transport its energy. This means that light can pass across a vacuum—a place devoid of any air.

The energy can travel through empty space without being carried in or by any matter is light.

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The characteristics of the terrestrial planet are:

The terrestrial planets can simply be defined as those planets characterized by the presence of metallic substances, mountains or even rocks. However, the major known planets are as follows:

That being said, of all these planets listed above, only those ones closest to the sun are regarded to as the terrestrial or inner planets.

The terrestrial or the inner planets are as follows:

In conclusion, we can now deduce from all explanation given above that the inner planets are very close to the sun.

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The grams of solute in 100 grams of solution are indicated by the percentage mass by mass. We use  the density formula to convert the ml of water to g.

Definition of density

Density definition Density is the measurement of how tightly a substance is packed. It has such definition since it is the mass per unit volume. Indicator of density: D or Density Formula: The formula is: = m/V where is the density, m is the object's mass, and V is its volume.

What does density, for example, mean?

Anything's density determines how compact or concentrated it is. Consider two boxes as an example, one large and one small. But their combined weight is the same. This suggests that the tiny box is denser than the enormous box. Density

Briefing:

The percentage mass by mass indicates the grams of solute in 100 grams of solution. We convert the ml of water into g from the density formula:

δ= m/v    m=δx v= 1 g/ml x 285.9 ml = 115 g

42.79 g solution-----29 g NaCl

100g solution----x=(100g solutionx29 g NaCl)/115g solution

x=25,2173913 g NaCl

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It is given that its a combustion reaction, we know that the ending compounds are CO2 and H2O alone.  To get this, we add O2 in a combustion reaction to our initial compound.

C8H18 + O2  --->  CO2 + H2O  ( + trace amounts of C8H18 left)  We are asked about the C8H18 left meaning we have a limiting reactant and it is not completely water and CO2 left due to the limiting reagent.  So we are trying to find the excess reactant.  

To balance the equation we must balance all molecules ;

2 C8H18 + 25 O2  --->  16 CO2  +  18 H2O   (not taking into account the combustion of air)

It is given that it is incomplete combustion so we must use the grams of product to calculate the amount of reactant used due to the limiting reagent

1.15 g H2O * ( 1 mol H2O / 18.01532 g H2O)  *( 2 mol C8H18 / 18 mol H2O) * ( 1 mol C8H18 / 114.24 g C8H18) = 0.00111755 = 0.00118 g C8H18  reacted

11.8 g C8H18 in the initial reaction,  0.0118 g reacted to get 1.15 g H2O

11.8-0.00118 = 11.79882 = 11.8 g C8H18 left in the balanced equation (meaning almost none of it was reacted)

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The properties of the compounds are given as following:

Covalent compound

The atoms of covalent compounds are bonded between each other by covalent bonds. Covalent compounds make bonds by sharing one or more pairs of valence electrons.

Ionic compound

The atoms of ionic compound contains ions or charged particles. ionic compounds make bonds when an atom or more atoms lose or gain electrons.

Thus, the properties of compounds are:

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Five molecules of hydrogen peroxide to two molecules of permanganate make up the mole ratio. Using the ratio, 0.0045 moles of potassium permanganate oxidised 0.005625 moles.

Materials

Distilled or deionized water, 100 mL

Hydrogen peroxide, H202, commercial antiseptic solution, 3 mL

Potassium permanganate solution, KMn04, 0.025 M, 75 mL

Sulfuric acid solution, H2SO4, 3 M, 30 mL

Beaker, I 00-or 150-mL

Buret, 50-mL, with buret clamp

Graduated cylinder, 10-or 25-mL

Labels and/or markers

Pipet, serological, 1-mL

Pipet bulb

Ring stand

Wash bottle

Waste disposal beaker, 250-mL

Erlenmeyer flask, 125-mL

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The coefficients before Ni and H+ are 4 and 10 respectively.

A coefficient is an integer that is written or multiplied by a variable. A quantitative value multiplies variables and can change depending on other variables or covariates. Function coefficients are different from other coefficients in that they are constant across all entities or participants, while others can vary.

Coefficients are multiplicative coefficients in terms of a polynomial series, or expression. Usually numeric, but can be any expression. If the coefficients themselves are variables they can also be called parameters. Circle the variable with the power of the coefficient you found. Leave that variable and consider any other number or variable written to it. that will be the coefficient.

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A buffer solution containing 2.0 M acetic CH3COOH and 2.0 M of sodium acetate ion has a pH of 0.4ml.

What three kinds of buffer are there?

The caco3 acid buffer, the buffer ( ph, as well as the buffering of plasma make up your body's chemical buffer system. The first buffer is typically seen as being the most crucial since it is connected to the respiratory system, even though the second buffer is the most abundant.

What are buffer and pH with an example?

The pH of an acetic and sodium acetate solution in water is equivalent at 4.74. These solutions have a pH that is under seven. These solutions are made up of a salt of the a weak acid plus

Briefing:

To solve this the formula to use is

acetate=c1+v1/v2

Where c1 = 0.50 acetate ion

v1 = 8 ml of sodium acetate

v2 = 8 ml + 2 ml = 10 ml

When we out the values into the formula above we would have

= 0.5 x 0.8

= 0.4 M

The concentration of acetate ion in the buffer solution is equal to 0.4ml

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The mole fraction of ethanol is 0.165

What do you mean by mole fraction ?

There are several ways to indicate the concentration of the solution and mole fraction is one of them. Mole fraction is a unit of concentration. In the solution, the relative amount of solute and solvents are measured by the mole fraction and it is represented by “X.”

The mole fraction is the number of moles of a specific component in the solution divided by the total number of moles in the given solution.

Molecular Mass of Ethanol = 46g

11.0 molal = 11 moles in 1 L solution

Molecular mass of water = 18g

Density of water= 1kg/m3 = 1000g/l

So, Mass of water in 1l solution = 1000g

so moles = 1000/18 = 55.55 moles

Thus, mole fraction of ethanol = 11.0/ ( 11.0 + 55.6 ) = 0.165

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The total volume of gas (at 135 ∘c and 769 mmhg ) produced by the complete decomposition of 1.59 kg of ammonium nitrate is 1687.74 L.

Solution:

PV = nRT

Dividing both sides by P we get,

V = nRT / P

V = (68.25 × 62.363 × 297) / 749

V = 1687.74 L.

NH₄NO₃ → N₂O + 2H₂O.

When ammonium nitrate NH₄NO₃ is heated it produces nitrous oxide N₂O and water H₂O. The given equation is the balanced chemical reaction for the decomposition of ammonium nitrate by applying heat. It is observed that 1 mol of ammonium nitrate breaks down into 1 mol of nitrous oxide and 2 mol of water molecules.

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The most reasonable first step to take would be to, In a highly heterogeneous class, a teacher should give everyone the same assignment because it will help him/her be able to track student progress efficiently.

What is heterogeneous?

A predication that means composed of different ingredients or dissimilar factors is called heterogeneous.

What is Reasonable?

A generic and relative one and applies to that which is suitable for a particular condition is called reasonable.

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3.09 minutes is the half-life of polonium-218 if a sample decays from 55. 4 g to 31. 7 g in 2. 50 minutes.

What is half-life?

The half-life of a radioactive sample is the amount of time it takes for half of its atomic nuclei to spontaneously transform into different nuclear species and emit particles and energy, or, more precisely, the amount of time it takes for the radioactive sample to disintegrate at a rate of one disintegration per second.

The rate constant for a first-order reaction and its half-life are connected by the constant t1/2 = 0.693/k.

Therefore, 3.09 minutes is the half-life of polonium-218 if a sample decays from 55. 4 g to 31. 7 g in 2. 50 minutes.

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n=2,l=1,ml=1 n=3,l=2,ml=0 n=3,l=3,ml=2 n=4,l=2,ml=0.set of quantum numbers cannot specify an orbital.

a zone around a nucleus in an atom or molecule that can have 0–1–2 electrons, as stated theoretically. Around the nucleus, in structures known as orbitals, electrons arrange themselves into clouds. These orbitals are given numbers to represent their energy level and letters (s, p, d, and f) to represent their shape. S, P, D, and f are the four fundamental types of orbitals. Two electrons can fit into a s orbital, which is spherical in shape. There are three p orbitals, each of which is oriented differently in space but has the same fundamental geometry of a . Six electrons can fit in the p orbitals at once.

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The compound will show pentagonal pyramidal structure.

This is because the one axial plane is occupied by the lone pair of electrons obeying the bent's rule . And the other 4 bond pairs are present in both equatorial and the axial position. Since a lone pair of electrons are present they represent pentagonal bipyramidal structure to pentagonal pyramidal structure.

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Answer:

total of 131 millimeters of mercury

Explanation:

So we can calculate the total vapour pressure using the equation. The total pressure p equals x a where x is the mole fraction of a and the p a is the partial pressure of a plus x b being the mule fraction of b and the partial pressure of b we can get the mule fraction of a and B because 1 will equal x, a plus x b and a is hexane and b is octane, and so the mole fraction of hexane is 1.580, and so we can set this up to solve. As x b will equal 1 minus x a which is equal to 1 minus .58, which is equal to .4 2 point now, because we have all our numbers, we can put them into our full equation. So we have. The pressure is equal to .58 times. The pressure of our hexane, which is greater than 183, and this has added 2.42 and the pressure of our octane, which is 59.2, and so we get a total of 131 millimeters of mercury. As our total vapour pressure.

answer is in th epic

Denaturation, annealing, and extension are the proper PCR (Polymerase Chain Reaction) stages to take. So, C is the correct response.

The word terminate has a noun form called termination, which means to put an end to. It also implies to terminate someone from a job, and termination is perhaps the word most frequently used to describe this action or its outcome, as in His employment with the firm came to an end after termination.

In the event that you are dismissed, your job is over. Your employer should explain the circumstances behind your termination to you. Due to wrongdoing or subpar work, you could be dismissed.

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Compared to a typical chemical reaction, the energy released in this nuclear reaction is more than 100,000 times larger.

How much more energy is produced by nuclear reactions compared to chemical ones?

When compared to the energy produced by the interaction of atoms, the energy released by nuclei is a million times more dense (chemical reactions). This is what causes nuclear weapons to be so much more powerful and obliterative than conventional weapons.

Is nuclear power more powerful than chemical power?

Compared to the energies involved in chemical reactions, the energies produced in nuclear reactions are several orders of magnitude higher.

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The complex known as RIBOSOME, which is made up of enzymes and ribosomal RNA, is where translocation peptide has indeed been generated.

What age is the ideal time to begin taking peptides?

Since collagen production normally slows down in your mid-20s to early-30s, I advise incorporating a peptide into your skincare regimen about this time. But regardless of your age, incorporating a peptide into your skincare regimen will make your skin look younger.

Peptide vs. protein: what are they?

In general, small chains of more than two amino acids are referred to as peptides. Proteins, commonly known as polypeptides, are lengthy molecules comprised of many peptide subunits. Enzymes (other proteins) can break down proteins into little peptide fragments.

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960 molecules of magnesium oxide will form when excess magnesium reacts with 480 molecules of oxygen.

Wilhelm Ostwald, a German scientist, is widely credited with coining the term. Ultimately, though, the word mole derives from the Latin word moles, which meaning "a mass." The word molecule is connected to the word mole; it is a diminutive that means "a little bulk."

The quantity of matter in a system that equals the number of atoms in 0.012 kilograms of carbon-12; it is denoted by the symbol "mol".

Given that,

480 molecules of oxygen is there.

The equation becomes:

2Mg + O₂ → 2MgO

2 mol  1 mol   2 mol

Now,

1 molecule of oxygen give 2 molecule of MgO

480 molecule of oxygen will give (480 × 2) = 960 molecules of MgO

So, 960 molecules of magnesium oxide will form when excess magnesium reacts with 480 molecules of oxygen.

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The Lewis structure for polyatomic carbonate anion would be two oxygen atoms bonded with carbon atom with a single bond and one double bond is present.

There are three σ bonds and π bond around carbon atom in the Lewis structure of CO3^2- ion. According to the question caron has 4 valanced electrons. There are three oxygen atoms in CO32- ion,

Therefore,

Total valence electrons given by oxygen atoms = 6 *3 = 18

There are -2 charge on CO32- ion. Therefore, there are two more electrons which contribute to the valence electrons.

Total valence electrons = 4 + 18 + 2 = 24

    Carbon has the more chance to be the center atom because carbon can show valance of 4. Oxygen's highest valence is 2. So, now we can build a sketch of CO3^2- ion.

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Moving in relation to the fixed support the buffer ions and solvent Electroendosmosis.

Example of a solvent Water, ethanol, methanol, and acetone are examples of common solvents. In order to create a solution with a particular solute, a substance must be able to dissolve it. This is what is meant by the term "solvent."

Because it can dissolve a greater variety of chemicals than any other natural liquid, water is referred to be a "universal solvent," yet it does not dissolve all substances. Because oppositely charged particles are poorly soluble in water, it cannot dissolve hydroxides, waxes, or fats, for instance.

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The balanced complete ionic equation for the reaction between Cs₃PO₄ and AgNO₃ is:

Cs₃PO₄(aq) + 3Ag⁺(aq) + 3NO₃⁻(aq) → 3Ag₃PO₄(s) + 3NO₃⁻(aq) + 3Cs⁺(aq)

Ionic equations are defined as the balanced chemical equations that represent the species (ions or molecules) that are involved in a reaction.

In this reaction:

Cs₃PO₄(aq) + 3Ag⁺(aq) + 3NO₃⁻(aq) → 3Ag₃PO₄(s) + 3NO₃⁻(aq) + 3Cs⁺(aq)

Cs₃PO₄ (cesium phosphate) and AgNO₃ (silver nitrate) are mixed in aqueous solution. The cesium phosphate dissociates into its constituent ions, Cs⁺ and PO₄³⁻.

The silver nitrate dissociates into Ag⁺ and NO₃⁻ ions. The Ag⁺ ions react with the PO₄³⁻ ions to form solid silver phosphate (Ag₃PO₄), which is insoluble in water. The Cs⁺ and NO₃⁻ ions remain in solution.

Therefore, Cs₃PO₄(aq) + 3Ag⁺(aq) + 3NO₃⁻(aq) → 3Ag₃PO₄(s) + 3NO₃⁻(aq) + 3Cs⁺(aq) is the balanced complete ionic equation shows that a reaction takes place between cesium phosphate and silver nitrate to form solid silver phosphate and aqueous cesium and nitrate ions.

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We can get the solubility at temperatures from this  experimental curve. we can find the solubility at 10∘C and 100∘C temperature. Hence, NH4Cl can be dissolved in 100 mL of H2O at 10∘C is 34g and at 100∘C is 75g.

Answer and justification Salt made from ammonia and chlorine gas is known as ammonium chloride. It is a salt of strong acid (HCl) and weak base (NH4OH) (N H 4 O H). Although the process is endothermic, meaning it requires a temperature increase, the ammonium chloride salt is soluble in water.

Saline Solution.a mixture in which the solute dissolves until it is no longer able to do so, leaving the undissolved components at the bottom. Solution without saturation. a solution that totally dissolves and leaves no residues (but contains less solute than the saturated solution). Solution with a high saturation.

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The true statement about zinc is b. Excess zinc can decrease copper absorption.

Zinc is a trace elements or a micronutrient. It means it is required in low amounts to the body. It is also an essential element required by the body. We intake zinc through diet, form the vegetables and fruits, stating their importance in diet.

The body receives around 20 to 40% of the zinc from the food. Calcium is also a trace essential element required by the body. Several studies intake decrease in copper absorption on excess zinc. Calcium is required for vitamin D synthesis and bones. Zinc is required for better metabolism, immune system through enzyme function.

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The titration curve for a diprotic acid differs from that of a monoprotic acid in that, there are two equivalence points. Correct answer: letter C.

Since, the first equivalence point occurs when the solution has been neutralized by half of the protons of the acid, and the second equivalence point occurs when the solution has been neutralized by all the protons of the acid.

Are two different types of chemical acids, and they have different chemical properties:

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The atomic number of gold is 79. The correct response for an atom on the periodic table with the same number of protons and electrons is gold, which has 79 protons and 79 electrons.

Every atom has a proton in its nucleus, a subatomic particle. The particle has a positive electrical charge that is the antithesis of the electron's. If a proton were isolated, it would weigh only 1.673? 10-27 kilogrammes, little less than a neutron. A stable subatomic particle known as a proton with an electric charge of +1 e and the symbols p, H+, or 1H+. Its mass is only marginally less than that of a neutron and 1836 times greater than that of an electron.

Silicon has 14 protons and 14 neutrons, for instance. It weighs 28 kilogrammes and has an atomic number of 14. Uranium's most prevalent isotope contains 146 neutrons and 92 protons. It has an atomic mass of 238 thanks to its 92 protons and 146 electrons.

The atomic number refers to the total number of protons in the nucleus of an atom. The atomic numbers of the elements are used by the Periodic Table to divide them into groupings.

The Periodic Table is used to find an element's atomic number. The atomic number is visible in the top left corner.

For instance, krypton has an atomic number of 36. This reveals that the nucleus of a krypton atom contains 36 protons.

Atoms are not electrically charged by nature. The protons' positive charges and the electrons' negative charges must be equal.

Protons and electrons must be present in an equal number in an atom. In our example, an atom of krypton needs to have 36 protons in addition to 36 electrons.

For any component:

Atomic number = number of protons + number of electrons

Hence, as an illustration of glod:

The atomic number of gold is 79. Gold therefore contains 79 protons and 79 electrons.

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To make the leaving group and the nucleophile anti-periplanar to one another, the carbon-carbon bond is rotated. The epoxide is created by intramolecular SN2.

The study of a molecule's three-dimensional structure is known as stereochemistry. The sole structural difference between the cis and trans isomers, which are types of stereoisomers, is where the atoms of the molecule are situated in three dimensions. These stereoisomers may differ in their chemical and physical characteristics.

Stereocenters have a R or S designation: The enantiomers of a chiral substance are referred to by the terms "right hand" and "left hand" in naming.

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