Why does diamond not conduct electricity

Hydroxide and Thio are the most familiar types of hair relaxers. Sodium hydroxide, potassium hydroxide, etc. are some hydroxide relaxer. Hydroxide relaxers are not compatible with thio relaxers because they use a different chemistry.

The pH of thio relaxer is found to be 10 and it is used to break the disulfide bonds. This high pH of a thio relaxer simply opens the hair whereas the pH of the hydroxide relaxers is approximately 13. Since because of its high pH, the alkalinity alone can break the disulfide bonds.

An oxidizing agent like hydrogen peroxide is used to neutralize thio relaxers.

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Answer:

coulomb force/ electrostatic force

Explanation:

attraction or repulsion of particles

Answer:

coulombe law or coulomb's universe square law

Answer:

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

From the question

volume = 0.94 mL

density = 7.3 g/mL

We have

mass = 7.3 × 0.94 = 6.862

We have the final answer as

Hope this helps you

The total time required for the decay is approximately 1416.0 hours, which is closest to the given option C. 1006.9 hours.

Option (C) is correct.

To calculate the number of half-lives required for the decay. The half-life of 140 Ba is given as 283.2 hours.

First, we calculate the fraction of the original amount remaining after each half-life. Since the half-life represents the time it takes for half of the substance to decay, the fraction remaining after each half-life is 1/2.

To find the number of half-lives required to decay from 35 mg to 1.0 mg, we can set up the following equation:

(35 mg) * (1/2)ⁿ = 1.0 mg

Where 'n' is the number of half-lives.

Now, let's solve for 'n':

(1/2)ⁿ = 1.0 mg / 35 mg

(1/2)ⁿ = 0.02857

To find 'n', we can take the logarithm (base 1/2) of both sides:

n = log base 1/2 (0.02857)

Using the logarithmic property, we know that log base a (b) = log base c (b) / log base c (a):

n = log (0.02857) / log (1/2)

Using a calculator, we can find:

n ≈ 4.243

Since 'n' represents the number of half-lives, and we usually round up to the nearest whole number for half-life calculations, we get:

n ≈ 5

Therefore, it would take approximately 5 half-lives for the 35 mg sample of 140 Ba to decay to 1.0 mg.

To calculate the total time required, we multiply the half-life by the number of half-lives:

Total time = 283.2 hours * 5

Total time ≈ 1416 hours

Rounding to one decimal place, the total time required for the decay is approximately 1416.0 hours, which is closest to the given option C. 1006.9 hours.

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As per the chemical reaction ,sodium hydroxide can be used for neutralization of sulfuric acid as,2 NaOH+H₂SO₄\(\rightarrow\)Na₂SO₄ +2 H₂O.

Chemical reactions are defined as reactions which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical reaction.

There are several characteristics of chemical reactions like change in color, change in state , change in odor and change in composition . During chemical reaction there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

There are three types of chemical reactions:

1) inorganic reactions

2)organic reactions

3) biochemical reactions

During chemical reactions atoms are rearranged and changes are accompanied by an energy change as new substances are formed.

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Answer:

v = 34.62 L

Explanation:

Given data:

Moles of H₂ = 2.50 mol

Temperature of gas = -20.0°C

Pressure of gas = 1.5 atm

Volume of gas = ?

Solution:

Formula:

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Now we will convert the temperature.

-20 + 273 = 253 K

Now we will put the values in formula.

1.5 atm × v = 2.50 mol ×0.0821 atm.L/ mol.K  ×  253 K

1.5 atm × v = 51.93 atm.L

v = 51.93 atm.L/1.5 atm

v = 34.62 L

The volume of hydrogen is 34.62 L.

Answer:

The temperature will not be affected directly

Explanation:

The solar radiation has a direct effect on the outer surface and inner part of the earth but  an increase by 20% of the solar radiation will not cause the temperature of the Earth's mantle to increase because the factors that heat up the Earth's mantle are : Friction between core materials that sink into the center of the planet and Heat from decay of radioactive materials

Answer:

The alkaline earth metals are six chemical elements in group 2 of the periodic table. They are beryllium, magnesium, calcium, strontium, barium, and radium.

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In modern proteomic analysis, the amino acid sequence of a protein can be determined by methods such as mass spectrometry and Edman degradation.

Proteomics is the large-scale study of proteins, particularly their structures and functions. Determining the amino acid sequence of a protein is a fundamental aspect of proteomics, as it provides important information about the structure and function of the protein. Modern proteomic analysis has several methods for determining the amino acid sequence of a protein.

One such method is mass spectrometry, which involves the ionization and fragmentation of the protein into smaller peptide fragments, and the measurement of the mass-to-charge ratios of these fragments. By analyzing the mass-to-charge ratios of these fragments, the amino acid sequence of the original protein can be reconstructed.

Another method is Edman degradation, which involves the sequential removal of amino acids from the N-terminus of the protein and their identification through chemical reactions. These methods are both widely used in modern proteomic analysis and have greatly advanced our understanding of the structure and function of proteins.

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If has an atomic mass of 68.926 amu, has an atomic mass of 70.925 amu, and the atomic mass of gallium is 69.723 amu, the percent abundance of 70Ga is 101.68%.

To find the percent abundance of an isotope, you need to determine its relative abundance compared to the total amount of the isotopes present. Here's how you can do it for the isotope 70Ga:

Calculate the fraction of 70Ga in the sample:

fraction of 70Ga = (mass of 70Ga) / (atomic mass of Gallium)

fraction of 70Ga = (70.925 amu) / (69.723 amu)

fraction of 70Ga = 1.0168

Convert the fraction to a percentage:

percentage of 70Ga = (fraction of 70Ga) * 100

percentage of 70Ga = (1.0168) * 100

percentage of 70Ga = 101.68%

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A potassium atom's ground state electron configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 4s1.

An atom's electron configuration is a picture of how electrons are arranged in relation to orbital shells and subshells. Consequently, this is potassium's electron configuration.

Making Electron Configurations in Writing. Write the energy level (the period) first, then the subshell that needs to be filled, and finally the superscript, which indicates how many electrons are in that subshell. The atomic number, Z, is the sum of all the electrons.

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Answer:

Ans no 1. As magnesium used to react with oxygen and due to the reaction the mass (weight) of magnesium increases , this reaction between oxygen and magnesium which form magnesium oxide in the air by forming white smoke increases the mass of magnesium

Structure a -->

Electron geometry = Tetrahedral

Molecular geometry = Trigonal pyramidal

Structute b --->

Electron geometry = Trigonal bipyramidal

Molecular geometry = Seesaw.

(One lone pair at the equitorial position)

Structuture c --->

Electron geometry = Octahedral

Molecular geometry = Square planar

(Two lone pairs perpendicular to the plane)

In structure (a), four pairs of electrons give a tetrahedral electron geometry. The lone pair would cause lone pair-bonded pair repulsions and would have a trigonal pyramidal molecular geometry.

In structure (b), five pairs of electrons give a trigonal bipyramidal electron geometry. The lone pair occupies an equatorial position to minimize lone pair-bonded pair repulsions, and the molecule would have a seesaw molecular geometry.

In structure (c), six pairs of electrons give an octahedral electron geometry. The two lone pairs would occupy opposite positions to minimize lone pair-lone pair repulsions, and the molecule would have a square planar molecular geometry.

In molecular geometry, the positions of atoms are determined by the number of electron pairs around the central atom. The electron geometry refers to the spatial arrangement of these electron pairs, while the molecular geometry describes the arrangement of atoms. The presence of lone pairs of electrons on the central atom affects the molecular geometry by introducing additional repulsions between lone pair and bonded pair electrons. It is important to correctly identify both electron and molecular geometries to accurately predict the properties and behavior of molecules.

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Complete question is attached below

The correct answer is e.

Atoms are made up of protons, electrons, and neutrons. This statement was not a basic assumption of Dalton's atomic theory. Dalton's atomic theory, proposed by John Dalton in the early 19th century, included the following basic assumptions:

a. Atoms of different elements differ in their weights: Dalton recognized that atoms of different elements have different masses.

b. All molecules of a compound have the same ratio of combining atoms: Dalton's theory emphasized that compounds are formed by the combination of atoms in fixed ratios, which led to the concept of the law of definite proportions.

c. All elements are made up of atoms: Dalton postulated that all elements are composed of tiny, indivisible particles called atoms.

d. Atoms combine to form molecules: Dalton proposed that atoms combine with each other to form molecules or compounds. This idea laid the foundation for the law of multiple proportions.

However, Dalton's atomic theory did not include the knowledge about subatomic particles such as protons, electrons, and neutrons. The existence and understanding of these particles came about later in the 20th century through the work of various scientists.

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Explanation:

Online access to standardized measurement sets, multi-source street view, or digital surface modeling is offered by World Elevation networks. The platforms include a specific example of elevation data and derivative items for mobile apps to use

When Aaron took Organic Chemistry he discovered that the work was too difficult for him. That is, the level of difficulty was very high for Aaron.

Organic chemistry is the branch of chemistry that deals with the compounds of carbon and hydrogen, known as organic compounds. These compounds are widely found in nature, and can be either naturally occurring or man-made. Organic chemistry is concerned with the structure, properties, and reactions of organic compounds, as well as the preparation and isolation of these compounds from natural sources. It also includes the study of synthetic organic compounds and their application in various fields such as medicine, agriculture, and industry. Organic chemists use a variety of methods and techniques to study the structure of organic compounds and understand their behavior in different environments.

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The longest wavelength of light capable of breaking a single chlorine-chlorine bond is 494mm.

The energy required to break one mole of Cl−Cl bonds in Cl₂ is 242 kJ mol⁻¹. The longest wavelength of light capable of breaking single Cl−Cl bond is 494mm(c=3×10⁸msec⁻¹,N= 6.023×10²³mol⁻¹). Bond energy is defined by the sum of all of the bonds broken minus the sum of all of the bonds formed: ΔH = ∑H(bonds broken) - ∑H(bonds formed). ΔH is the change in bond energy, also referred to as the bond enthalpy and ∑H is the sum of the bond energies for each side of the equation. Overall energy for a chemical reaction = Total energy of bond breaking + Total energy for bond forming. Remember, that the total energy for bond forming is always a negative value.

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Answer: according to ck12.org "Heat is the sum of all the kinetic energies of all the molecules of an object, while temperature is the average kinetic energy of the molecules of an object."

Explanation:

I hope this helped!

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Answer:

the sum of the numbers of protons and neutrons present in the nucleus of an atom.

Answer: Answer

Iron is a chemical element with symbol Fe and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in front of oxygen, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust.

Explanation:

Hope this helps!

Answer:

iron:

group 8

4 orbitals

electrons per shell:2,8,14,2

26 electrons

8 valence electrons.

Explanation:

iron is in the 8th group in the periodic table because it is a transition metal and their valence shells have 8 electrons.

It has 4 electron shells because the first one can hold two electrons, the second has 8 and so on.

The total number of electrons is 26, which is equal to number of protons.

Valence electrons are in the outermost shell.

Answer:

A) one electron in each orbital

Explanation:

Orbitals get electrons one at a time. If there are three electrons and three empty orbitals, then one electron will go into one orbital!

Answer:

1)false

2) false

3)True

4)True

5) false

6)false

7) true

8) d

9)false

10) b

The correct options for the following 10 statements will be 1. false 2. false 3. true 4. true 5. true 6. true 7. true 8. option C is correct 9. false 10. Option D is correct.

The force of attraction between molecules is said to be intermolecular force the strongest intermolecular forces of attraction will have the highest melting and boiling points.

Intermolecular forces effects on determine the physical properties of substances such as surface tension and melting point. Intermolecular hydrogen bonding plays an important role in the structure of polymers.

Therefore, the correct options for the following 10 statements will be 1. false 2. false 3. true 4. true 5. true 6. true 7. true 8. option C is correct 9. false 10. Option D is correct.

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Answer:

red blood cells and diffusion.

Explanation:

this process involves red blood cells and diffusion. Red Blood cells (RBCs) are a type of blood cell whose role is to transport oxygen from the lungs to the peripheral tissues of the body. Oxygen diffuses from the alveoli of the lungs in to the RBC's, where it binds to hemoglobin.

Diffusion is a very important process within the human body and is essential to the transport of molecules within a number of organs including the lungs, kidneys, stomach and eyes. The lungs process millions of tiny air sacs that are called alveoli, each of which are in close contact with capillaries.

Answer:

a four-footed semi-aquatic mammal that thrived for some 40 million years

Explanation:

C, the animal lived in water

Whales and hippos both live in the water, so it would make sense that their ancestors did as well.

Hi,

Answer:

"Inelastic" collisions describe the process by which particles collide and transfer energy without loss of energy.

B. Inelastic

Answer:

Elastic

Explanation:

Just want to put the right answer out there.

Answer:

To make a 4.00 M solution, 48 moles of solute will be needed if 12.0 liters of solution are required.

Explanation:

Molar concentration or molarity is a measure of the concentration of a solute in a solution, be it some molecular, ionic or atomic species.

Molarity is defined as the number of moles of solute that are dissolved in a given volume. Then it is calculated as the quotient between the number of moles of solute and the volume of solution:

\(Molarity= \frac{number of moles of solute}{volume}\)

Molarity is expressed in units \(\frac{moles}{liter}=M\).

In this case:

Replacing:

\(4 M= \frac{number of moles of solute}{12 liters}\)

Solving:

4 M*12 liters= number of moles of solute

48 moles= number of moles of solute

To make a 4.00 M solution, 48 moles of solute will be needed if 12.0 liters of solution are required.

The Omnipotent view of management refers to the belief that managers are directly responsible for an organization's success or failure. According to this view, managers have the power and control to make decisions that will significantly impact the organization's performance.

In terms of the organizational environment, ABC CO needs to focus on several aspects. Firstly, it should prioritize building strong relationships with customers by understanding their needs and delivering value through its products or services. Secondly, maintaining good relationships with suppliers is crucial to ensure a reliable supply chain and access to necessary resources. Thirdly, keeping a close eye on competitors is essential to stay competitive and identify opportunities for differentiation. Lastly, monitoring and adapting to economic, legal, and socio-cultural factors is vital to ensure compliance with regulations and aligning the organization with societal trends and expectations.

In conclusion, the Omnipotent view of management emphasizes the influence of managers in shaping organizational outcomes, while the Symbolic view recognizes the significance of external factors. For the current state of ABC CO, a balanced approach that considers both internal and external factors would be beneficial. The culture should promote collaboration, innovation, and adaptability, while the organization should focus on building strong relationships with customers, suppliers, and competitors while adapting to the economic, legal, and socio-cultural environment.

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