a hydrogen atom in its ground-state absorbs a photon of wavelength 97.20nm. to what energy level does the electron move?

Answer:

Quickly

Explanation:

Answer:

Ok so hot u hahaha

Explanation:

Hshshhdhdi jsushshshshshhdhdhd hshshshshsh hdhdhdhd hdhdhdhd hdhdh

The best option that describes why carbocation formation is the rate-determining step of a unimolecular substitution reaction is that The carbocation formed is unstable and high in energy.

A carbocation is a positively charged carbon atom that has a vacant orbital. Carbocations are reactive intermediates that are formed in many organic reactions. Carbocations, also known as carbonium ions, are intermediates that are formed when a carbon atom has a positive charge. A carbocation, in a unimolecular substitution reaction, is the rate-determining step.

This is due to the carbocation's instability and high-energy state. During the carbocation-forming step, the energy barrier is the highest, indicating that the rate-determining step is the carbocation-forming step. Carbocations are highly reactive, making them critical intermediates in many chemical reactions.

They are usually unstable because the carbon atom has only six electrons in its valence shell. The positive charge attracts the electrons in the neighboring bonds, destabilizing the carbocation. The reaction may not proceed efficiently if the carbocation cannot be formed quickly. As a result, carbocation formation is critical for the reaction's effectiveness.

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Answer:

SeCl6 + O2——> seO2 + 3Cl2

Al(NO3)3 solution concentration and the concentration of H3O+ ions in the solution following the addition of HNO3 are given in the problem. We can determine the presence of [Al(H2O)5(OH)2+] in the solution using this knowledge along with the known equilibria for the hydrolysis of Al3+.

For Al3+, the hydrolysis process may be expressed as follows:

Al(H2O)63+ + water becomes Al(H2O)5(OH)2+ + H3O+.

The reaction's equilibrium constant expression is as follows:

Al(H2O)5(OH)2+) = K

Al(H2O)63+ / [H3O+]

We must take into account the dissociation of Al(NO3)3 in water in order to determine [Al(H2O)5(OH)2+] in a 0.15 M solution of Al(NO3)3:

Al3+ (aq) + 3NO3- Al(NO3)3 (s) (aq)

Al3+ has a concentration of 0.45 M (3 times that of the Al(NO3)3 solution) in an Al(NO3)3 solution with a concentration of 0.15 M. H3O+ is present in the solution at a concentration of 0.10 M.

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Answer:

First, I will convert from grams to moles. This will give me approximately 4.032 moles of carbon, 6.740 moles of hydrogen, and 3.344 moles of oxygen. Then, I will calculate the mole ratio, using whole numbers. I must also identify the least amount of moles in an element for this step, which is oxygen at 3.344 moles.

Oxygen = 3.344/3.344 = 1

Carbon = 4.032/3.344 = 1

Hydrogen = 6.740/3.344 = 2

The empirical formula will be COH2.

Now that we have the molar mass of the molecular formula, we can calculate for the molecular formula. First, we will begin by discovering the molar mass of the empirical formula, which will be C molar mass x 1 + O molar mass x 1 + H molar mass x 2. That will be equal to 60.949. After that, we can divide the molecular mass by the empirical formula molar mass, giving us approximately 3. Now we will multiply the empirical formula by 3, giving us our molecular formula, which will be equal to C3O3H6.

Answer:

an electronic temperature probe and a computer

Answer:Color, Density, Volume, Mass, and Boiling point. These are 5 3 more to go!

Explanation:

Color (intensive), Density (intensive), Volume (extensive), Mass (extensive) , Boiling point (intensive), Melting point (intensive) are the 7 main properties of matter .

What are  properties of matter?

Any attribute that can be measured, including an object's density, color, mass, volume, length, malleability, melting point, hardness, odor, temperature, and more, is referred to as a property of matter.

Short answer: What is the matter?

The term "matter" refers to a substance that is composed of several kinds of particles, occupies space, and has inertia. The different kinds of particles each have a unique mass and size, according to the fundamentals of current physics.

                           The electron, proton, and neutron are three of the most prevalent instances of material particles.

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Answer:

D. The electrons are trapped in the crystal lattice structure and cannot move.

Explanation:

Ionic compounds are compounds that consist of positive and negative ions that are held together by the electrostatic forces of attraction. In the solid phase, these ions are arranged in a regular, repeating pattern known as a crystal lattice. The ions are held in place by the electrostatic forces of attraction, and the electrons are trapped within the crystal lattice structure. Because the ions and electrons are unable to move freely, ionic compounds do not conduct electricity in the solid phase.

Answer:   Mg²⁺   &  N³⁻

Explanation:

Since Magnesium is in group 2, then it favors losing two electrons forming a cation with a charge of +2 ( Mg²⁺).

Since Nitrogen is in group VA, it favors gaining three electrons forming the anion with charge -3 (N³⁻).

The balanced equation for the reaction of iron with water that results in the production of iron oxide and hydrogen gas is

3 Fe (s) + 4H₂O (g) → Fe₃O₄ (s) + 4H₂ (g)

Iron does not react directly with liquid water but react with water vapour. When the reaction happens, it results in the formation of a solid and a gas. The products of the reaction are Iron oxide and hydrogen. The equation of the reaction would be

Fe (s) + H₂O (g) → Fe₃O₄ (s) + H₂ (g)

Now, we need to balance the equation. On the right-hand side, we have 3 Fe, 4 O and 2 H. Similarly on the left-hand side there are 1 Fe, 1 O and 2 H.

To balance the equation, we add 3 to Fe, 4 to H₂0 and 4 to H₂.

As a result, the balanced chemical equation for the reaction would be

3 Fe (s) + 4H₂O (g) → Fe₃O₄ (s) + 4H₂ (g)

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Chemical-protective clothing (CPC) is designed to shield or isolate a responder from chemical or biological hazards.

Chemical-protective clothing (CPC) is specifically designed to shield or isolate a responder from chemical or biological hazards. It is made of specialized materials that provide a barrier against hazardous substances, preventing them from coming into contact with the wearer's skin or clothing. This type of PPE is essential in situations where there is a risk of exposure to dangerous chemicals or biological agents.

Therefore, option a.Chemical-protective clothing (CPC) is correct.

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Answer:

\({ \rm{C _{4} H_{10}+ \frac{13}{2} O _{2} = 4C0 _{2} + 5H _{2}0}} \\ \)

When a cloud of gas is placed between a hot metal and a detector, the hot metal emits radiation, which passes through the gas cloud.

If a cloud of gas is placed between a hot metal and a detector, it can have different effects depending on the gas and the specific conditions. If the gas is dense enough and has high thermal conductivity, it can act as a heat sink and transfer some of the heat from the metal to the detector, resulting in a decrease in the temperature of the metal and an increase in the temperature of the detector. If the gas is transparent to the radiation emitted by the hot metal, then the detector may not detect any change in radiation. However, if the gas is not transparent to the radiation, it can absorb some of the radiation emitted by the hot metal, leading to a decrease in the amount of radiation detected by the detector. Additionally, the properties of the gas, such as its density, composition, and pressure, can affect the way it interacts with the hot metal and the detector. For example, if the gas is ionized, it can create an electric field that affects the behavior of the charged particles emitted by the hot metal.

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The bond order of the N-O bonds in nitrosyl fluoride (NOF) is 1.5.

Bond order refers to the number of chemical bonds present between two atoms in a molecule. It is calculated based on the number of electrons involved in bonding and can range from zero to a maximum of 3 for a covalent bond.

In nitrosyl fluoride (NOF), the nitrogen (N) atom and the oxygen (O) atom are joined by a single covalent bond, which involves the sharing of two electrons. However, the bond is not a simple single bond, but rather a resonance hybrid of two contributing structures, both of which have a bond order of 1.5. This results in a bond order of 1.5 for the N-O bond in nitrosyl fluoride.

The concept of bond order is important because it provides insight into the stability of a molecule and helps to predict the bond lengths and strengths of the bonds in the molecule.

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Answer:

Di Sulphur tetraiodide is the chemical compound with the formula S2I4

Explanation:

The fraction of glycine in the NH₃ form at pH 9.0 in a 0.1 M solution is  \(10^{9.0 - 9.6} / (1 + 10^{9.0 - 9.6})\)

In a 0.1 M solution of glycine at pH 9.0, the amino group of glycine can exist in two forms: as NH₂ (neutral) or as NH₃⁺ (protonated). The equilibrium between these two forms is influenced by the pH of the solution. At pH 9.0, which is alkaline/basic, the amino group tends to be deprotonated (NH₂ form).

To determine the fraction of glycine in the NH₃ form, we need to consider the dissociation constant (pKa) of glycine. The pKa value for the amino group of glycine is approximately 9.6.

At pH 9.0, which is lower than the pKa, the majority of glycine molecules will be in the NH₂ form. However, to calculate the exact fraction, we need to perform a detailed analysis using the Henderson-Hasselbalch equation:

fraction of glycine in the NH₃ form = \(10^{pH - pKa} / (1 + 10^{pH - pKa})\)

Substituting the values, we get:

fraction of glycine in the NH₃ form = \(10^{9.0 - 9.6} / (1 + 10^{9.0 - 9.6})\)

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Answer:

C

Explanation:

4.They are different states of the same pure substance

Answer:

Geosphere

Explanation:

The sphere that was affected by this transformation is the geosphere.

The geosphere is the solid part of the earth which is made up of rocks and soils.

When [HA] = [A-], the weak acid and its conjugate base are in equilibrium, and the pH of the solution is equal to the pKa of the weak acid.

To calculate the pH at which [HA] = [A-], we can use the Henderson-Hasselbalch equation:

pH = pKa + log([A-]/[HA])

Since [HA] = [A-], the ratio [A-]/[HA] is equal to 1, and the equation simplifies to:

pH = pKa

Substituting the given pKa value of 7.44 into the equation gives:

pH = 7.44

Therefore, at pH 7.44, [HA] = [A-].

To determine the predominant species of HA at pH 5.58, we need to compare the pH to the pKa of the weak acid. If the pH is less than the pKa, the weak acid is the predominant species, and if the pH is greater than the pKa, the conjugate base is the predominant species.

In this case, the pH of 5.58 is less than the pKa of 7.44, so the weak acid, HA, is the predominant species. This means that most of the HA molecules are present in their undissociated form, while only a small fraction have dissociated to form A-.

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The approximate distance from the far edge of one lobe to the far edge of the other is 2,100,000 light-years.

This distance measures the outer space between the edges of the two lobes in a given time.

The approximate distance from the far edge of one lobe to the far edge of the other in a solar system is about 2,100,000 light-years.

Thus, the approximate distance from the far edge of one lobe to the far edge of the other is 2,100,000 light-years.

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Answer:

21

Explanation:

Answer:

5 mol NaOH = 5 mol NaClO

Plantear y balancear reacción: NaOH + HClO ⇒ NaClO + H2O

Como se puede apreciar, los coeficientes estequiométricos son uno por lo tanto, la cantidad de NaClO que se genera será igual a la cantidad de moles que reaccionan de NaOH

Answer : Music is read differently in the brain than

nonmusical tones and is connected to many different areas of the brain. Learning music

relegates a larger part of the brain to recognizing and interpreting music. Listening to

music has also been found to have an effect on learning.

Answer:

The heart would listen to music with a nice rhythm as it beats to the song.

Explanation:

Answer:

Ionization energy increases as you go across a period, and increases as you move up a group. So, elements with the smallest ionization energy would be at the bottom left corner of the periodic table. Examples of elements with small ionization energy: Francium (Fr), Cesium (Cs), Radium (Ra).

The study of chemicals is called chemistry.

When two elements react together to form a new compound is called a reaction.

\(C + O_2 --> Co_2\)

\(H_20 ----> H_2 + O_2\)

\(Fe + H_2So_4---> FeSo_4+ H_2\)

\(BaCl + H_2So_4 + ---> BaSo_4 + HCl\)

\(C + O_2 ---> CO_2\)

Hence, the answer is mentioned above.

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Answer: It turns the energy from the sun into a food for the plant.

I hope this helps, and Stay Safe! :)

it tuns the light into food

When accurately a value is measured indicates how near it is to the true value. If, for instance, you measure a substance's density to be 1.24 g/mL, and it has a density of 1.23 g/mL, you were accurate. The variation between the accepted value and the empirically measured value is incredibly tiny.

The mass of a substance per unit of volume is its density. Density is most frequently represented by the symbol, however the Latin letter D may also be used.

The density of a substance is determined by the mass, size, and arrangement of its atoms. Density (D) is defined as the product of a substance's mass and volume. Differing densities apply to objects having the same volume but different masses.

The true or accurate value of a measurement is one that is based on widespread agreement with an authoritative reference. The acceptable density for aluminum is 2.70g/cm3. A measurement's experimental value is its value as it is observed during the experiment.

Thus,The variation between the accepted density and the empirically measured density is incredibly tiny.

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