Arrange the steps of glycogen degradation in their proper order. Hormonal signals trigger glycogen breakdown. --------------------------------------------------------------Glucose 6-phosphate undergoes further metabolic processing.Which enzymes are required for glycogen degradation? O phosphoglucomutase O transferase O glycogen phosphorylase O phosphoglycerate mutase O a-1,6-glucosidase

According to electronic configuration, when elements become ion, aluminum, rubidium ,selenium, nitrogen, neon, chlorine, barium loose 3 electrons,1 electron, gain 2 electrons , gain 3 electrons,neon is stable, chlorine gains 1 electron and barium looses 2 electrons.

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

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The pH at one half the equivalence point and at the equivalence point for a titration 8.716.

Titration is a method of chemical analysis where the quantity of a sample's constituents is determined by adding a precisely measured amount of a different substance to which the desired constituent will react in a specific, known proportion.

The equivalence point, or the point at which chemically equivalent amounts of the reactants have been combined, is to be detected by the titration. The stoichiometry of the reaction determines how many reactants have been combined at the equivalence point.

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Cl and K.  the following pairs of elements would be most likely to form an ionic compound AP and BR B Zn and KCC and OD Al and RB A chemical element is a type of atom.

with a certain number of protons in its nucleus, including the pure material made up entirely of that species. [1] Chemical elements, unlike chemical compounds, cannot be broken down into simpler substances by any chemical process. The number of protons in the nucleus is an element's distinguishing attribute, and it is symbolized by the symbol Z - all atoms with the same atomic number are atoms of the same element. [1] Almost all of the universe's baryonic stuff is made up of chemical elements (among rare exceptions are neutron stars).Cl and K.  the following pairs of elements ould be most likely to form an ionic compound AP and BR B Zn and KCC and OD Al and RB A chemical element is a type of atom.

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The molar mass of Fe3(PO4)2 can be calculated by adding the molar masses of each individual element in the compound.

Fe3(PO4)2 is made up of:

3 atoms of Fe (molar mass of Fe = 55.845 g/mol)

2 atoms of P (molar mass of P = 30.973762 g/mol)

8 atoms of O (molar mass of O = 15.9994 g/mol)

To calculate the molar mass of Fe3(PO4)2, we add up the molar masses of each element:

Molar mass of Fe3(PO4)2 = 3(55.845 g/mol) + 2(30.973762 g/mol) + 8(15.9994 g/mol)

= 167.535 g/mol

So the molar mass of Fe3(PO4)2 is 167.535 g/mol

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The equation that is balanced for the synthesis reaction for the formation of sulfur dioxide (SO₂) is as follows: S + O₂ → SO₂ (option D).

A chemical reaction is a process typically involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.

A synthesis or combination reaction is a specific type of chemical reaction that involve two or more chemical species combining to form a more complex product:

A + B → AB

According to this question, sulfur combines with oxygen in a synthesis reaction to form sulfur dioxide as follows: S + O₂ → SO₂.

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The correct statement that are exothermic is energy associated with the formation of water-ion interaction.

An exothermic reaction is the one during which system releases energy and during an endothermic reaction system absorbs energy.

Option 1  is incorrect as water molecules do not undergo ionization when added to water and thus no energy is released.

Option 2 is incorrect because the separation LiCl into subsequent ions requires a significant amount of energy and thus it will be a endothermic reaction.

Option 3 is correct as the formation of water ion releases a large amount of energy and thus it is an endothermic reaction.

Option 4 is also correct as it is the energy associated with the whole system.

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The structures in option A and D correctly represents structure of cis-1,3-dimethyl cyclohexane.

There are three stable conformations of cyclohexane. Chair, boat, and twist boat are them. The chair conformation is the most stable of the three. Each carbon atom in the cyclohexane's boat shape has two different sorts of groups. Both axial and equatorial groups describe them. From the provided boat conformations, we should determine the cis conformations.

Two substituents are in up, up (or) down, down to each other in boat conformation if they are cis to one another. Two substituents are in up, down, or down, up to each other in boat conformation if they are trans to one another.

In boat conformation A, both methyl groups are in up direction.

In boat conformation-B and C, one methyl group is in up direction and other one is in down direction.

In boat conformation D, both methyl groups are in down direction.

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The complete question is as follows :

For cis-1,3-dimethylcyclohexane, which structures represent the possible boat conformations?- a- b- c- d:

To calculate the energy required to heat a substance, we can use the formula:

Q = mcΔT

where Q is the heat energy, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.

Given that we have 712.0 g of graphite, a specific heat capacity of 0.710 J/g-K, and a temperature change of 18.7 °C (20.7 °C - 2.0 °C)

Q = (712.0 g) x (0.710 J/g-K) x (18.7 °C)

Q = 10,965.64 J.

The energy required to heat 712.0 g of graphite from 2.0 °C to 20.7 °C is 10.965 kJ.

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The remaining mass of 28 grams of a radioactive element whose half life is 20 year. The initial mass remains after 100 years is 0.875 grams

The radioactive substance weighs 28 grams at first. The radioactive element has a half-life of 20 years. After t years, the mass y(in grams) that is left is calculated using the equation below

y=28(1/2)^t/20 ,t ≥ 0

Consequently, the quantity of initial mass that is still present after 100 years would be

y=28(1/2)^t/20 ,t ≥ 0

y=28(1/2)^100/20

y=28(1/2)⁵

y = 0.875 grams of the initial mass remain

Therefore, after 100 years, there will still be 22.0.875 grams of the starting mass.

Your question is incomplete but most probably your full question attached below

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By dilution, 275 mL or 0.0224 MgF2 solution can be created from 69.4 mL of 0.0887 MgF2 solution.

By adding extra more solvent, such as water, to the solution, dilution is indeed the process of "reducing the concentration of the solute in a solution." A solution is diluted by adding additional solvent without also adding more solute.

An approach used frequently to achieve this concentration reduction is serial dilution. diluted homeopathy. An equation called "dilution" can be used to determine how quickly a gas diluted. A sort of unauthorized trademark usage outside the relevant market is trademark dilution.

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Which two functional groups would be created by the ozonolysis of molecule a Me2C = CHMe produces aldehydes and ketones during ozonolysis, providing all the other alternatives no aldehydes.

To cleave those unsaturated bonds in alkenes, alkynes, etc azo compounds, ozone is used in the organic chemical process known as ozonolysis.

Pentane will occur from the reaction, for instance, between bromoethane and I-bromopropane. When each of the participants in the reaction reacts on their own, butane will also be produced. For instance, 1-bromopropane produces hexane, while bromoethane produces butane.

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The following species produce OH- in water using the following reaction equation:

CO3^2-(aq) + H2O(l) -------> HCO2^-(aq) + OH^-(aq)

C6H5NH2(aq) +  H2O(l) -------> C6H5NH3^+(aq) + OH^-(aq)

C2H5NH2(aq) +  H2O(l) -------> C2H5NH3^+(aq) +  OH^-(aq)

Bases produce OH- when they react with water. A weak base is a substance that ionizes only to a small extent in water. A weak base remains largely undissociated in water. Recall that bases produce OH- in solution.

Here,

The equation of the reaction by which the following species produce OH- in water are shown below;

CO3^2-(aq) + H2O(l) -------> HCO2^-(aq) + OH^-(aq)

C6H5NH2(aq) +  H2O(l) -------> C6H5NH3^+(aq) + OH^-(aq)

C2H5NH2(aq) +  H2O(l) -------> C2H5NH3^+(aq) +  OH^-(aq)

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When CH2OH is introduced into the previously evacuated vessel , A physical change takes place because intermolecular attractions are overcome. The correct option to this question is D.

Remove (or evacuate) the air between two glass tubes to form a vacuum and reduce heat loss through conduction and convection.

Methanol is known to contain extremely polar oxygens, so it can exhibit hydrogen bonding. It is known that methanol can form very strong hydrogen bonds. Hydrogen bonds are known to form when the positive charge of hydrogen atoms accumulates significantly.

Hydrogen bonding is a unique type of inter-dipole attraction between molecules rather than covalent bonding to hydrogen atoms. This results from the attraction between a hydrogen atom bonded to an extremely electronegative atom such as an O, N, or F atom and an additional extremely electronegative atom.

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The advice cited above would not be applicable in this situation because benzoic acid is not a corrosive material.

Material is any object or substance that is used to create something else. It is a physical substance that can be manipulated and transformed in some way to make it useful. Materials can be natural, such as wood, stone, and metal, or they can be synthetic, such as plastic, fabric, or rubber. Depending on the purpose, materials can range from strong and durable to soft and flexible. In the construction industry, materials are chosen for their strength, durability, and cost-effectiveness. In manufacturing, materials are chosen for their ability to be formed and shaped into the desired product. In the arts, materials are chosen for their aesthetic properties and potential to create something unique and visually stimulating.

A more appropriate response would be to thoroughly wash the affected area with soap and water and seek medical attention if irritation or pain persists.

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The temperature (T) at which the given reaction has ΔG°=-38.5 kJ, ΔH°=-14.6 kJ, and ΔS°=0.152 kJ/K is 1273.7 K.

Temperature is a physical property of matter that measures the average kinetic energy of the particles in a system. It is measured by thermometers and expressed in units such as degrees Fahrenheit (°F) and degrees Celsius (°C). Temperature is a fundamental factor in determining the nature of the physical and chemical changes that occur in matter.

The temperature (T) that corresponds to the given ΔG°, ΔH°, and ΔS° values can be determined using the equation ΔG° = ΔH° - TΔS°.
Substituting the given values yields:
-38.5 kJ = -14.6 kJ - T(0.152 kJ/K)
Rearranging yields:
T = -38.5 kJ + 14.6 kJ / 0.152 kJ/K = 1273.7 K.
Therefore, the temperature (T) at which the given reaction has ΔG°=-38.5 kJ, ΔH°=-14.6 kJ, and ΔS°=0.152 kJ/K is 1273.7 K.

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Answer:

equilibrium expressions do not have units because the concentration or pressure terms that go into them are really ratios having the forms (n mol L–1)/(1 mol L–1) or (n atm)/(1 atm) in which the unit quantity in the denominator refers to the standard state of the substance

Explanation:

0.750 tsp of baking soda in grams would be  4.49 grams.

From the available information:

If, 1 tsp of baking soda = 0.211 oz, then 0.750 tsp of baking soda would be:

 0.750 x 0.211 = 0.15825 oz

Thus, 0.750 tsp of baking soda is equivalent to 0.15825 oz of baking soda.

If 1 oz = 28.35 grams, then 0.15825 oz of baking soda will be:

28.35 x 0.15825 = 4.49 grams

In other words, 0.750 tsp of baking soda would be worth 4.49 grams of baking soda going by the available conversion factors.

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CBr4 < CH2Br2 < CF2Br2 < CF2Cl2 Polar molecules contain polar bonds and can be ordered from most to least polar based on the polarity of their bonds.

Polar bonds are chemical bonds between atoms in which the sharing of electrons is not equal. Polar bonds are caused by the difference in electronegativity between the two atoms involved in the bond. Electronegativity is the measure of an atom's ability to attract electrons to itself.

CBr4 has the most polar bond and is therefore the most polar molecule. CH2Br2 has the second most polar bond, followed by CF2Br2, and then CF2Cl2 with the least polar bond.

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The concentration of C₅H₆ when 250 seconds have passed is 0.015 M. e. The slope of the plot will be less steep at a lower temperature.

The molar mass of many compounds can be calculated by dividing the mass of the compound by the number of moles of the compound.

d.

[C5H6]0⁻¹ = 25 M⁻¹

t = 250 s

k = 0.17 M⁻¹ s⁻¹

Now, substituting these values in the integrated rate law to get,

[C5H6]⁻¹ = 0.17 M⁻¹ s⁻¹ x 250 s + 25 M⁻¹

= 67 M⁻¹

or,

[C5H6] = 1/67 M⁻¹

= 0.015 M

e.

According to the Arrhenius equation, the rate constant of a reaction decreases with temperature.

Therefore, d. the concentration of C₅H₆ is 0.015 M.

e. At lower temperatures, the slope of the plot will be less steep.

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The question is incomplete. Your most probably complete question is given below:

The full question and the graph are added.

a.) Physical change ; b.) chemical change. c.)  Chemical change d.) chemical change.

In physical change, there is no change in the chemical composition of the substance and change is only on physical properties. In chemical change, there is the combination of two or more substances that combine to form a new one.

a.) Mothballs gradually vaporize in closet is the -- Physical change

b.) Hydrofluoric acid attacks glass and is used to etch calibrations marks on glass laboratory utensils is the -- chemical change.

c.) French chef making sauce with brandy is able to burn of the alcohol from the brandy leaving just the brandy flavoring is-- Chemical change

d.) Chemistry major sometimes get holes in the cotton jeans they wear to lab, because of the acid spills is the-- chemical change.

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The mass in the grams of water can be cooled from 35 to 20 degree c by the evaporation of 60 g of water is the 2296.6 g.

Given that :

ΔH =  heat of vaporization  = 2.4 kJ/g = 2400 J/g

Mass of the water = 60 g

q = ΔH m

q = 2400 × 60

q = 144000 J

The heat expression is given as :

q = mc ΔT

q = 144000 J

m = ?

c = 4.18 J/ g k

ΔT = 308 K - 293 K = 15 K

m = q / c ΔT

m = 144000 / 4.18 × 15

m = 2296.6 g

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Answer: 127.46 g

Explanation:

ΔH = heat of vaporization = 2.4 kJ/mol = 2400 J/mol

Mass of water = 60 g

Moles of water = 60 g/18 g/mol = 3.33 moles

q = ΔH × moles

q = 2.4 kJ/g × 3.33 mol

q = 2400 J × 3.33 mol

q = 7992 J

The heat expression is given as :

q = 7992 J

m = ?

c = 4.18 J/g × k

ΔT = 308 K - 293 K = 15 K

q = mcΔT

m = q/cΔT

m = 7992/4.18 × 15

m = 127.46 g

Answer:

Glasses or contact lenses correct vision because they allow the eye to focus light in the right spot on the retina the spot that produces the clearest image. Because everyone's eyes are different, a pair of glasses that makes one person see wonderfully may look terribly blurry to someone else.

Nearsighted- unable to see things clearly unless they are relatively close to the eyes, owing to the focusing of rays of light by the eye at a point in front of the retina; myopic.

Farsighted- a common vision condition in which you can see distant objects clearly, but objects nearby may be blurry. The degree of your farsightedness influences your focusing ability.

Explanation:

I hope that makes sense

The 15s of the reaction saw 0.0153 moles of Br2 being produced.

Relational Equation

H2 + Br2 > 2HBr

According to the reaction's equation, [HBr] = [H2] + [Br2] = -1/2 [HBr]/[t]

The amount of HBr decreased from 0.520M to 0.486M in the initial 25 seconds of the reaction.

Average Rate of Reaction Rate =-1/2 ([HBr]f- [HBr]t/i

Rate = -1/2 (0.486-0.52/2)

Rate: 0.00068 M/s

0.00068M/s is the reaction's average rate.

Rate of the response is

Rate= [Br2]/t 0.00068= [Br2]/15 Br2= 0.00068 15= 0.0102M

In the reaction, Br2 is present in 0.0102M concentration.

Number of Moles The amount of Br2 produced in the first 15 seconds can be determined using the formula: Number of moles=molarity×volume, where n = 0.0102 and 15 = 0.0153 mol.

0.0153 moles of Br2 were created in the reaction, according to the calculations above.

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The type of the halide's leaving property determines how quickly an alkyl halide will undergo an E2 reaction. A set of systematic guidelines for using with organic molecules are the IUPAC nomenclature.

In one method, the bromine in an SN2 reaction is replaced with a methanethiolate nucleophile. In the alternative (bottom) pathway, the methoxide ion participates inside an elimination reaction as a base instead of a nucleophile.

Consequently, the quicker the E2 reaction, the better this leaving group is in E2 interactions as well. Below is a list of the most typical leaving group in nucleophilic replacement and removal reactions: As we previously established, the quicker the E2 elimination, the stronger the base.

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Answer:

The impala population will decrease.

Explanation:

We learn that leopards eat both baboons and impalas.  If one of these two species is reduced in abundance, the leopards will increase consumption of the alternative, in this case impalas.  An analogy:  If you eat only chicken and beef, and the local store ran out of chicken, you'd choose beef, as everyone else in the same predicament.  The leopards see fewer baboons because of the disease, so they'll start hunting more impalas, and the impala population will decrease.

A substance with a molar mass of 34.01468g/mol and an empirical formula of Hydrogen and oxygen  and a molecular formula of twice has a composition of 5.9265% hydrogen and 94.0735% oxygen.

Thus Molecules are described by the empirical formula, where n = 1, 2, and 3. You can use the empirical formula to ascertain the molecular formula if you are aware of the molar mass of the chemical. Calculate the empirical formula mass first, and then divide the compound molar mass by it to get the empirical formula mass. Compounds are chemical entities comprised of a large number of comparable molecules.

Empirical equation equals Molecular formula

Hydrogen = 5.9265/atm weight: 5.9265/5.8795 = 1 (approximately)

Oxygen = 94.0735/16: 5.8795/5.8795 = 1

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The number of moles in 7.52 × 10²² molecules of silicon dioxide is 0.125 moles.

The number of moles in a substance can be calculated by dividing the number of molecules by Avogadro's number as follows:

no of moles = no of molecules ÷ 6.02 × 10²³

According to this question, a sample of silica gel (SiO₂) contains 7.52 x 10²² molecules of silica. The number of moles can be calculated as follows:

no of moles = 7.52 × 10²² ÷ 6.02 × 10²³

no of moles = 1.249 × 10-¹

no of moles = 0.125moles

Therefore, 0.125 moles are present in 7.52 × 10²² molecules of silica.

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If you need to learn more about the exposure pathways, as well as the immediate and long-term impacts of exposure, when dealing with a chemical, Toxicological Information Section 11

Additionally possible symptoms include mortality, cyanosis, a headache, weakness, dizziness, shortness of breath, and cyanosis. Ingestion can irritate the digestive system and trigger nausea and vomiting. According to reports, DAAB can cause methemoglobinemia after being inhaled, ingested, or absorbed via the skin.

A branch of research known as toxicology aids in our understanding of the potentially hazardous consequences that certain materials, settings, and events may have on humans, animals, and the environment.

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The density of tetrahydrofuran needed for a chemistry student to do the experiment is 0.888 g/mL

Tetrahydrofuran has an ethereal smell and is visible as a transparent, colourless liquid. not as dense as water. 6 °F flash point Air is lighter than vapours.

Because it can dissolve different resins even at room temperature and is miscible with water and the majority of organic solvents, THF is frequently employed as a solvent for specialised resins such photosensitive resins. Additionally, it serves as a solvent for Wittig and Grignard processes.

Regardless of the sequence of introduction, if two compounds are totally soluble in one another, they are said to be miscible. Tetrahydrofuran (THF), for instance, and water mix well.

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The reaction for which delta H will be approximately (or exactly) equal to delta E is CH4(g) + 2O2(g) ---> CO2(g) + 2H2O(l).

Reaction is the process of responding to a stimulus or event. It can refer to a physical response, such as a reflex, or an emotional response, such as a feeling. Reactions can be conscious or unconscious, automatic or deliberate, and can occur in any living organism. In psychology, reactions are studied to understand how they shape behavior and to identify underlying mental processes. Reaction time, or the time it takes to respond to a stimulus, can also be measured and studied.

This is because this reaction is an exothermic reaction, which means that the energy released by the reaction is equal to the enthalpy change of the reaction.

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