22) in the polysaccharide amylose, large numbers of monosaccharides are linked together through . a) alpha 1-4 glycosidic linkages b) beta 1-4 glycosidic linkages c) alpha 1-6 glycosidic linkages d) beta 1-6 glycosidic linkages e) none of the above

According to the given statement C₄H₆O is the empirical formula of this substance.

Empirical formulae are beneficial since figuring out the molecular formula can be immensely aided by knowing the relative amounts of each constituent in a molecule. It's crucial to have an n-value in order to figure out the precise figure of each atom within the molecule.

The smallest full numerical percentage of atoms present in a molecule serves as the actual formulation of a substance in chemistry. Hydrogen superoxide (SO) and disulfur -2 empirical formulae are two straightforward examples of this notion (S2O2).

To know more about empirical formula visit:

https://brainly.com/question/14044066

#SPJ4

Answer:

Explanation:

1) Fe2O3 + 3 H2 -----> 2 Fe + 3 H2O Number of moles of Iron (III)oxide = 450 g / 159.69 g/mol = 2.82 mole

2) 0.0155 moles of hydrogen gas

3) oxide needed to produce 125 of oxygen is7.8 moles

4) 216.5894

5) K3PO4 and KNO3

The concentration of H₃O⁺ present in a solution of HCL is 7.76247 × 10⁻⁴.

Since we know,

pH<7, therefore there are only H₃O+ particles in the solution.

[H₃O⁺ ] = [tex]10^{-pH}[/tex] = [tex]10^{3.110}[/tex] = 7.76247× 10⁻⁴

Pure water will have fewer hydroxide and hydronium ions. They can combine to form water. There will be a dynamic equilibrium between the concentration of molecules of water and ions. The definition of pH states that negative logarithms of hydronium ion concentration. The self-ionization will take place and increase the H⁺ concentration and side by side reduce the OH⁻ concentration.

To learn more about concentration and pH and solutions,

https://brainly.com/question/4154626

#SPJ4

The correct formula of the compound can now be written as [tex]NiCl_{2} .9H_{2} O[/tex]

We know that when we talk about a hydrate, we are talking about a compound that has some molecules of the water of crystallization in it. Thus we have that in this case, the compound that we are considering is nickel chloride.

Given that;

Number of moles of anhydrous salt = Number of moles of hydrated salt

Number of moles of hydrated salt = 25/130 + 18x

Number of moles of anhydrous salt = 11.37 g/130 g/mol

= 0.087 moles

When we now apply the formula, we have;

25/130 + 18x = 0.087 moles

0.087 (130 + 18x) = 25

11.31 + 1.566x = 25

x = 25 - 11.31 /1.566

x = 9

We now get;

[tex]NiCl_{2} .9H_{2} O[/tex]

Learn more about hydrated salt:https://brainly.com/question/5586505

#SPJ1

Answer:

Radio Waves are used for cell phone communication.

When two magnets are repelling each other, the following are true:

A magnet is a substance or item that generates a magnetic field. This magnetic field is invisible, but it is responsible for a magnet's most remarkable property: a force that attracts or repels other ferromagnetic elements such as iron, steel, nickel, cobalt, and so on.

Magnets are classified into three types: perpetual magnets, temporary magnets, and electromagnets. Permanent magnets produce a magnetic field without requiring any external magnetism or electrical power.

Learn more about magnets:
https://brainly.com/question/2841288
#SPJ1

The addition products formed after the reaction are 4-bromo-2-hexene and 2-bromo-3-hexene.

The simplest type of electrophilic reaction to visualize is the addition of as haloacid such as Hbr to an isolated alkene.

The reaction starts between terminal carbon of the double bonds and H⁺. After attaching H⁺ to the carbon, one double bond disappears leaving nearby CH respectively charged. This intermediate is a resonance hybrid of two possible structures. Reaction of bromide at one of the carbons give the 1.2-addition product and at the other carbon gives 1,4-addition product.

learn more about electrophilic reaction: https://brainly.com/question/14803468

#SPJ4

In a catalyzed chemical reaction, one function of a catalyst is to increase the number of successful reactant collisions .

catalyzed reaction are the reaction which used to accelerate the rate of the reaction. Catalyst is used to increases the speed of reaction . catalyst minimize the path of the reaction. the main function of the catalyst is to speed up the chemical reaction. the catalyst is not being consumed during the chemical reaction. catalyst is to increase the number of successful reactant collisions .

Thus, In a catalyzed chemical reaction, one function of a catalyst is to increase the number of successful reactant collisions .

To learn more about catalyze reaction here

https://brainly.com/question/13530068

#SPJ4

The statement multiple mass extinction events have occurred in Earth’s history is a pattern in the fossil record (Option D).

Multiple mass extinction events are phenomena in the geological periods in which occurred the removal of certain groups of species and it can be tracked by serving the fossils in the fossil record.

Therefore, with this data, we can see that multiple mass-extinction events refer to the disappearance of certain taxonomic groups in the fossil record, which is one of the most common characteristics of this type of record.

Learn more about multiple mass extinction events here:

https://brainly.com/question/19501117

#SPJ1

Two lactate dehydrogenase isoenzymes interacting

what is affinity chromatography?

Affinity chromatography is a technique for extracting a biomolecule from a mixture that relies on a very particular macromolecular binding relationship between the biomolecule and another component. Depending on the biomolecule of interest, the specific type of binding contact may be between an antigen and an antibody, an enzyme and a substrate, a receptor and a ligand, or a protein and a nucleic acid. Binding interactions are routinely used to isolate different biomolecules. When compared to other chromatographic techniques, affinity chromatography is advantageous due to its high selectivity and resolution of separation.

In order to study the effects of pH and temperature on lactate dehydrogenase binding, immobilized NAD+ matrices were used to study the interactions of two isoenzymes of lactate dehydrogenase from pig heart muscle (H4) and rabbit skeletal muscle (M4). Investigated was how substrate, product, and sulphite affected the binding of heart muscle lactate dehydrogenase to immobilised NAD+. It was determined how the two lactate dehydrogenase isoenzymes interacted with immobilised pyridine and adenine nucleotides and their derivatives. Correlations between these factors' effects on lactate dehydrogenase's interaction with immobilised nucleotides and the known kinetic and molecular characteristics of the enzymes in free solution were found.

to learn more about affinity chromatography go through the following limk: https://brainly.com/question/15004427

#SPJ4

Answer:

Ice wedging

Explanation:

The rocks crack fill with water and then expand

Initial main byproducts of the reaction between concentrated hydro iodic acid and benzyl isopropyl ether are isopropyl alcohol and benzyliodide.

Ethers - The word Ether has been derived from the Latin word ‘aether’ which means ‘to ignite’. They contain an ether group—an oxygen atom connected to two alkyl or aryl groups.

At room temperature and under a high-pressure ethers are usually flammable. The general formula of ether is given as R-O-R, R-O-R’, R-O-Ar or Ar-O-Ar where R represents an alkyl group and Ar represents an aryl group.

The initial stage in the hydrophilic acid cleavage of ethers will be a pre-equilibrium protonation of the ether's oxygen.

The resonance-stabilized benzyl cranium ion and isopropyl alcohol will then be produced when the powerful nucleophile iodide ion displaces isopropyl alcohol from the main group.

It is feasible for the hydroid acid and isopropyl alcohol to react further to produce the specified isopropyl iodide.

Thus, Initial main byproducts of the reaction between concentrated hydro iodic acid and benzyl isopropyl ether are isopropyl alcohol and benzyliodide.

To learn more about ethers from the given link below,

brainly.com/question/14306990

#SPJ4

Answer:

30 degrees Celsius, is 86 Fahrenheit.

273 kelvin, is 31.73 Fahrenheit.

0 degrees Celsius, is 32 Fahrenheit.

Then 32 degrees Fahrenheit.

The correct answer choice is A. 30 degrees Celsius.

P=183.65 atm is the pressure inside the tank for the given conditions.

How is the pressure calculated?

Given,

V=108 L

m=22700 gm

The formula is PV=nRT

moles= [tex]\frac{Mass}{Molar mass}[/tex]

∴moles of [tex]N_{2}[/tex] = [tex]\frac{22700}{28}[/tex]=810.78 moles.

R=0.082 [tex]\frac{L atm}{molK}[/tex]

T=27°C=300K

P=[tex]\frac{nRT}{V}[/tex]

[tex]P_{N_{2}[/tex]=[tex]\frac{810.71 X 0.0821 X 298}{108}[/tex]

P=183.65 atm

The ideal gas law (PV = nRT) connects the macroscopic characteristics of ideal gases. A gas is considered to be perfect if its particles (a) do not interact with one another and (b) occupy no space (have no volume).

PV = nRT

PV = nRT is the equation for an ideal gas. In this equation, P stands for the ideal gas's pressure, V for the ideal gas' volume, n for the total amount of the ideal gas expressed in moles, R for the universal gas constant, and T for temperature.

To know more about ideal gas equation, click here

https://brainly.com/question/27870704

#SPJ1

A 355-ml can of soda pop contains 41 g of sucrose the molarity of the solution with respect to sucrose is 0.337 M

Given that 41g of sucrose

Number of moles = amount in g/ molar mass

Number of moles= 41 g / 342.2965 g/mol

Number of moles= 0.12 moles Sucrose

Volume = 355 ml or 0.355 L

Thus,

Molarity = 0.12 moles / 0.355 L

Molarity= 0.337 M

The term "molarity of the solution" refers to how many moles of solute there are in a liter of solution. M served as its symbol. The ratio of moles of solutes per liter of solution is known as the molarity of any solution. The following formula captures it.

Molarity (M) = moles of solute/liter of solution

Learn more about molarity here:

https://brainly.com/question/2817451

#SPJ4

Iron metal has a sea of electrons feature. The outside electrons form a sea or pool of delocalized electrons that are free to travel randomly throughout the fixed lattice of positive ions and do not "belong" to any particular atom.

On the Periodic Table of the Elements, iron is a metal that belongs to Group 8 and is a hard, brittle substance. The most common metal, it is pure form, corrodes quickly when exposed into humid air and high temperatures. Iron is also considered to make up a significant portion of the Earth's core and is the fourth most prevalent metal by weight in the Earth's crust. According to the Los Alamos National Laboratory, it is abundant in the sun and stars in addition to being widely distributed on Earth. According to Jefferson Lab, iron is essential for the survival of all living things.

To know more about iron metal, visit:

https://brainly.com/question/14246793

#SPJ4

The mass of 45.0 L of at 87.0° C and 950 mm Hg is therefore 72.181 g, we can deduce.

The macroscopic characteristics of ideal gases are related by the ideal gas law (PV = nRT). A gas is considered to be perfect if its particles (a) do not interact with one another and (b) occupy no space (have no volume).

Volume = 45.0 L

Temperature =87  = (87.0 + 273) K = 360 K

Pressure = 950 mm Hg (1 mm Hg = 0.00131579 atm) = 1.25 at

The following formula is used to calculate moles.

PV = nRT

where,

P = pressure

V = volume

n = no. of moles

R = gas constant = 0.0821 L atm/mol K

T = temperature

As shown, enter the values into the formula above.

PV = nRT
1.25 atm* 45.0 L  = n * 0.0821 L atm /mol K * 360 K

n = 1.25 atm* 45.0 L / 0.0821 L atm /mol K * 360 K

n = 56.25 / 29.556

n = 1.90 mol

The mass of a substance divided by its molar mass is expressed in moles. The following formula is used to compute the mass of (molar mass = 37.99 g/mol).

Moles  = mass / molar mass

1.90 mol =  mass/37.99 g/mol

Mass = 72.181 g

The mass of 45.0 L of at 87.0° C and 950 mm Hg is therefore 72.181 g, we can deduce.

To know more about Ideal gas law visit:

https://brainly.com/question/28257995

#SPJ13

The caloric value(in kcal/g) of the potato chips is 0.04467 kcal/g.

Heat absorbed by water:

[tex]Q=m.C.T\\Q=26.8 * (21.4-16.4)*1\\Q=0.134[/tex]

The caloric value of potato chips :

=Kcal/grams of potato chips

[tex]=0.134/3.0\\=0.04467 Kcal/g[/tex]

How to calculate heat absorbed?

Q = mc∆T

What is caloric value?

A food calorie is actually a “kilocalorie.”  In other words, it is the amount of energy needed to raise the temperature of one liter of water by one degree.

Thus, the caloric value of the potato chips is 0.004467Kcal/g

To know more about heat absorbed:

https://brainly.com/question/8828503

#SPJ4

The frequency of wavelength of 1km 299792.458 Hz.

These molecules already react to the inward motion of the loudspeaker membrane moving toward the source. Frequency and wavelength are inversely proportional to each other. The wave with the greatest frequency has the shortest wavelength. Twice the frequency means one-half the wavelength. For this reason, the wavelength ratio is the inverse of the frequency ratio.

calculation:-

C= wavelength × frequency

frequency = 3 × 10⁸/ 1000 Hz

= 299792.458 Hz.

= 3 ×10⁵ Hz

Based on such a model, we found that mass is not an intrinsic property of the particle. Instead, mass is basically a measure of particle energy. The relations between energy and mass can be directly derived based on the wave properties of the particle. Waves are one of the ways in which energy may be transferred between stores. Waves can be described as oscillations or vibrations about a resting position.

Learn more about The wavelength here:-https://brainly.com/question/10728818

#SPJ1

The frequency of a wavelength of 1km is

299792.458 Hz.

A gaseous solution contains 41% O₂ and 59% N₂ by mass. The mole fraction of Oxygen is 0.377, while the mole fraction of  Nitrogen is 0.622 in the solution.

What is the mole fraction of each substance in the solution?

41.0g O₃ X {(1 mol O₃) ÷ (32. 0g O₃)} = 1.28 mol O₃

Where the molecular mass of oxygen is 32

For mole fraction of nitrogen:

59.0g N₃ X {(1 mol N₃ ) ÷ (28.02 0g N₃)} = 2.11 mol N₃

Where the molecular mass of nitrogen is 28.02

Total mol = 1.28 + 2.11 = 3.39 mol total

The mole fraction of O₃ in the gaseous solution is

number of O₃ moles ÷ total moles

Mole fraction of O₃ = 1.28 mol O₃ ÷ 3.39 mol total

= 0.377

While the mole fraction of N₃ in the gaseous solution is

number of N₃ moles ÷ total moles

Mole fraction of N₃ = 2.11 mol O₃ ÷ 3.39 mol total

= 0.622

In summary, the oxygen mole fraction is 0.377 and the nitrogen mole fraction is 0.622 in a gaseous solution that contains 41% O₂ and 59% N2 by mass

Learn more about mole fraction here: https://brainly.com/question/1601411

#SPJ1

Answer:

The answer to your question is,

A. true

Explanation:

I hope this helps

I am sorry if I am wrong

When a nucleus emits a positron its atomic number decreases by 1

When a nucleus emits a beta particle means positron and its atomic number decreases by 1 and its mass number remain unchanged and a proton and electron combine to form a neutron and the mass number stay the same but the atomic number decreases by 1 and very few nuclides undergo this transformation and a proton in the parent nucleus decay into a neutron that remain in the daughter nucleus and the nucleus emit a neutrino and a positron and which is a positive particle like ordinary electron in mass but of opposite charge

Know more about nucleus

https://brainly.com/question/12676490

#SPJ4

Answer:

C it generally decrease

Explanation:

Atomic radius of an element decrease from left to right of the periodic table

Ceramics are synthetic materials which are corrosion and chemical resistant. Glass is an example of ceramic. Nylon, melamine and cement are not ceramic.

Any of the several tough, fragile, heat- and corrosion-resistant materials created by sculpting and then heating an inorganic, nonmetallic material like clay to a high temperature are known as ceramics. Brick, porcelain, and earthenware are typical examples.

Pottery items or figurines composed of clay, either by itself or when combined with other materials like silica, and then hardened and sintered in fire, were the earliest ceramics produced by humans.

Later, glassy, amorphous ceramic coatings were applied over the crystalline ceramic substrates to reduce porosity, resulting in smooth, colorful surfaces for ceramics.

To find more on ceramics, refer here:

https://brainly.com/question/26891207

#SPJ1

The solubility product of the copper(II) iodate is 1.25 * 10^-7

The term solubility has to do with the amount of a substance that is dissolved in water. The solubility product is the equilibrium constant that shows the extent to which a substance is dissolved in water.

We have to convert the solubility of the  copper(II) iodate from g/mL to molarity and we have;

Number of moles = 0.13 g/413 g/mol = 3.15 * 10^-4 moles

Volume of the solution = 100 mL or 0.1 L

Molarity =  3.15 * 10^-4 moles/0.1 L

= 3.15 * 10^-3 M

We now have;

Ksp = [x] [2x]^2

Ksp = 4x^3

Ksp = 4( 3.15 * 10^-3 )^3

Ksp = 1.25 * 10^-7

Learn more about solubility:https://brainly.com/question/28170449

#SPJ1

A platinum wire is dipped into a strontium nitrate solution. Then inserted into a burner flame, then the strontium atoms emit a characteristic red color. this is an example of how an element can be identified by its unique atomic emission spectrum.

The goal of an atom's electron arrangement is to keep the energy of the atom as low as feasible. An atom's ground state has the lowest energy level of all the atoms. When the energy is applied to those atoms, the electrons take it in and go to a higher energy level. The electrons in atoms have quantized energy levels, which again means that they must transition from one level to another in discrete increments rather than constantly. An atom is said to be in an excited state when its potential energy exceeds that of the ground state. An excited atom is not a stable atom.

To know more about atomic emission spectrum, visit:

https://brainly.com/question/13959991

#SPJ4

the formulas of the compounds that correspond to the names carbon tetrabromide cobalt(ii) CBr4 co(ii), calcium nitrate Ca(NO3)2(H2O)x.

Tetrabromoethane, commonly called carbon tetrabromide or CBr4, is a kind of carbon tetrabromide. It is used as a sedative, an intermediate in the production of agrochemicals, a solvent for greases, waxes, and oils, and in the blowing and vulcanization processes in the plastic and rubber industries. It is a component of compounds that are fire-resistant since it is not flammable. Because of its high density, it is also employed in the separation of minerals. An inorganic substance having the formula Ca(NO3)2(H2O)x is calcium nitrate, popularly known as norgessalpeter (Norwegian Salpeter). The infrequently encountered anhydrous chemical turns into the tetrahydrate by absorbing moisture from the atmosphere. Salts come in both colorless anhydrous and hydrated forms. There are other uses for calcium nitrate besides being a component of fertilizers.

Learn more about calcium nitrate here:

https://brainly.com/question/15289741

#SPJ4

The valence electron on O = 6, As = 5, N = 5, Al = 3, K = 1

Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell. We can write the configuration of oxygen's valence electrons as 2s²2p⁴.

Similarly we can see that the outermost orbit in As is 4[tex]s^{2}[/tex]4[tex]p^{3}[/tex] hence it has 5 valence electron and the charge on Arsenic ion is +5.

The outermost orbit in N is 2[tex]s^{2}[/tex]2[tex]p^{3}[/tex] hence it has 5 valence electron and the charge on Nitrogen ion is 3-

The outermost orbit in Al is 3[tex]s^{2}[/tex]3[tex]p^{1}[/tex] hence it has 3 valence electron and the charge on Aluminum ion is 3+

The outermost orbit of K is 4[tex]s^{1}[/tex] hence it has 1 valence electron and the charge on Potassium ion is 1+

To know more about valence electrons

https://brainly.com/question/18690146

#SPJ1

The mass, in grams, of 5.90 mol [tex]C_6H_{12[/tex] would be 495.6 grams.

The number of moles in a given amount of substance is the ratio of the mass of the substance and its molar mass.

The statement of the number of moles of substances can be mathematically expressed as follows:

Mole = mass/molar mass

Making molar mass the subject, the equation becomes:

Molar mass = mass/mole

Making mass the subject, the equation becomes:

Mass = mole x molar mass.

In this case, we are looking for the mass of a given mole of  [tex]C_6H_{12[/tex].

C = 12 g/mol

H = 1 g/mol

Molar mass of [tex]C_6H_{12[/tex] = (6x12) + (12x1)

                                   = 72 + 12

                                   = 84 g/mol

Hence:

Mass of 5.90 mol  [tex]C_6H_{12[/tex] = 5.90 x 84

                                         = 495.6 grams

In other words, 5.90 mol of [tex]C_6H_{12[/tex] would be equivalent to 495.6 grams of the compound.

More on number of moles can be found here: https://brainly.com/question/14919968

#SPJ1

While gdp was once a key cyclical indicator, its usefulness has declined substantially for all of following reasons except " Requires seasonal adjustments"

What is GDP?

It is the standard measure of value added created through the production of goods and services in a country during a certain period

The usefulness of GDP has declined except for following-

Requires seasonal adjustments

Because of seasonal adjustments, firms are able to predict the economic activity in the region and adjust their inventories,investments and production process accordingly.

Seasonal adjustment ensures that remaining movements in GDP, or any other economic series, better reflect true patterns in economic activity.

Thus the correct answer from above options is

" requires seasonal adjustments"

Learn more about GDP at

https://brainly.com/question/1152672

#SPJ4

note: complete question is

While GDP was once a key cyclical indicator, its usefulness has declined substantially for all of the following reasons except which one? Multiple Choice