it turns out that ozone, o3 , has a small dipole moment. how is this possible, given that all the atoms are the same?

Answers

Answer 1

Ozone has dipole moment even though all the atoms  are the same because of the presence of lone pair on the central oxygen atom.

The dipole moment of any molecules is the product of the charge on the either side of the molecule and the distance between them.

As we know, Ozone contains 3 oxygen atoms.

The presence of lone pair on the central oxygen atom bends down the molecule of ozone which indeed give result to the a bent symmetry of ozone molecule. As we know, if a molecule is bent then it is very lightly to have some dipole moment.

Even though there are all the items of same kind but the charge on all the three atoms is different which gives contribution in the formation of the dipole moment. So, we can conclude here that the small dipole moment in ozone molecule is observed because of the presence of the lone pair and symmetry of the molecule.

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Related Questions

Which effect of the chemical industry is a positive one? (1 point)
O acid rain
O advancements in medicine
O building manufacturing
O pollution of water

Answers

B. Advancements in medicine.

Nothing else in the list seems positive.

In an ecosystem, the effect of the chemical industry  which is a positive one is advancements in medicine.

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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What is the mass concentration of 2mole HCL solution?(h=1,Cl=35.5)

Answers

Answer:

So the answer to the question “What is the mass concentration of hydrogen chloride in 2.0-molar hydrochloric acid?” is 73 grams per liter.

true or false energy is released from ATP when it reacts with water to pro duce ADP

true or false the information that cells need to direct their metabolic process is stored in RNA

btw it biology

Answers

Answer:

False for the first, true for second.

Explanation:

ATP is cellular energy and it needs to be recharged after it is used. That half dead is called adp.

The statement energy is released from ATP when it reacts with water to produce ADP is False, while the statement the information that cells need to direct their metabolic process is stored in RNA is True.

What is ATP?

ATP is the energy source of cells generated by cellular respiration and anaerobic processes, while  RNA is a molecule obtain by the transcription process which is used to generate proteins during metabolic activities such as differentiation.

Therefore, with this data, we can see that ATP is the energy coin of cells, while cells generate RNA during transcription.

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what is the ph of a solution obtained by dissolving two extra-strength aspirin tablets, containing 450 mg of acetylsalicylic acid each, in 300 ml of water?

Answers

The ph of a solution obtained by dissolving two extra-strength aspirin tablets is 8.

The Concentration of solution is a measure of the quantity of solute that has been dissolved in a given amount of solvent or answer. A concentrated answer is one that has a rather huge quantity of dissolved solute.

Calculation:-

volume = 300 ml = 0.3 L

mass = 450 mg

molar mass  C₉H₈O₄ = 180

mole = mass / molar mass

       =  450/180

      = 2.5 mol

Concentration = mole/volume

                         = 2.5 /0.3

                         =   8.33

PH = - llog[H+]

     = 8.

The concentration of a substance is the quantity of solute found in a given amount of solution. Concentrations are normally expressed in terms of molarity, defined because of the variety of moles of solute in 1 L of answer.

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Draw the structure or structures produced by the catalytic reduction of the given compound, in which h2 is in excess. Draw hydrogen at a chirality center and use wedge‑and‑dash bonds to designate the stereochemistry, if applicable.

Answers

Structures produced by the catalytic reduction of the given compound, in which H₂ is in excess are attached as a picture.

Upon the catalytic reduction of the given compound 1-ethylcyclohexa-1,4-diene (missing in question) by using excess hydrogen, two compounds (1R,2S)-1-ethyl-2-methylcyclohexane and (1S,2R)-1-ethyl-2-methylcyclohexane results. One compound has R,S configuration and the other has S,R configuration. By using the CIP rules priorities are given to the groups attached to the chiral carbon. CIP rules are based on the atomic masses of the groups attached so the minimum number is given to the group having the highest atomic mass. As it is a mixture of two enantiomers so we can call it a recemic mixture.

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acetylene () is used in welding torches, because it produces an extremely hot flame when it burns. how many grams of carbon dioxide are formed in the combustion of 6.50 g of acetylene?

Answers

Acetylene (C₂H₂) is used in welding torches, because it produces an extremely hot flame when it burns.  grams of carbon dioxide are formed in the combustion of 6.50 g of acetylene is 22 g.

the balanced reaction is given as :

2C₂H₂   +   5O₂    ----->    4CO₂  +   2H₂O

mass of C₂H₂  = 6.50 g

molar mass of C₂H₂ = 26 g/mol

number of moles of C₂H₂  = mass / molar mass

                                            = 6.50 / 26

                                             = 0.25 mol

2 moles of C₂H₂  produced 4 moles of CO₂

0.25 mol of C₂H₂ produced = (4 / 2) × 0.25 = 0.5 mol of CO₂ .

mass of CO₂  = molar mass × moles

                      =    44        × 0.5

                      = 22 g

Thus, Acetylene (C₂H₂) is used in welding torches, because it produces an extremely hot flame when it burns.  grams of carbon dioxide are formed in the combustion of 6.50 g of acetylene is 22 g.

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suppose that 60 ml of 0.1 m naoh is required to completely neutralize the amine group of glycine in an analyte solution. what quantity of glycine is present in the analyte?

Answers

The quantity of glycine present in analyte as measured by titration is 3mmol.

This titration calculation can be done using dimensional analysis. All values should first be converted to scientific notation: 60 mL NaOH is equal to 6 x 10-2 L NaOH. 1 x 10-1 mol NaOH/L NaOH is equal to 0.1 M NaOH. For every mole of glycine present in the analyte, 2 moles of NaOH have been supplied at the second equivalence point. This is due to the fact that one OH- was necessary to scavenge the COOH group, and a second OH- was required to scavenge the amine. To take this into consideration, we must adjust our computation. Finally: (6 x 10-2 L NaOH) x (10-1 mol NaOH / L NaOH) x (1 mol glycine / 2 mol NaOH) = 3 x 10-3 mol = 3.0 mmol glycine.

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what option defines solute? responses the substance in a solution that neither has a positive charge nor a negative charge the substance in a solution that neither has a positive charge nor a negative charge the substance in a solution that has both positive charges and negative charges the substance in a solution that has both positive charges and negative charges the substance in a solution that dissolves another substance the substance in a solution that dissolves another substance, , the substance in a solution that has been dissolved

Answers

Solute is the substance in a solution that has been dissolved. So option 4 is correct.

What is a solute?

A homogeneous mixture of two or more substances, a solute is a substance dissolved in another substance known as a solvent. The concentration of a solute in solution is a measure of how well that solute is dissolved in a solvent, in terms of how much of that solvent, such as a salt, is present. The properties of solutes are:

A solution is a homogeneous mixture of two or more substances.Solute particles in solution are not visible to the bare eye.Solution does not scatter light.Solution is stable. Solutes cannot be filtered (or mechanically) separated from solutions.It is composed of only one phase.

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A student builds a battery-powered car from a kit. Which series of energy transformations takes place as the car moves forward?

A:Electrical energy-Chemical energy- mechanical energy
B: Chemical energy-mechanical energy-electrical energy
C:mechanical energy-electrical energy-chemical energy
D:chemical energy-electrical energy-mechanical energy

Answers

The option A is correct , Firstly electrical energy is converted into mechanical energy via chemical energy.

The force generated by an engine powered by electricity is what propels an electric vehicle forward. These automobiles feature an original and useful design in addition to being environmentally friendly.

What is the operation of electric cars is that the electrical energy is supplied to the engine, which uses electromagnetic interactions to convert it into mechanical energy.

Energy transformations is the process of a type of energy form transforming into a new form of energy

When they enter a magnetic field, the conductive material inside them moves, and the electric current then passes through it.

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a redox titration similar to this one requires 30.65 ml of iodine solution to titrate a sample containing 25.00 ml of 0.0002487 m ascorbic acid to the end point. what is the molarity of the iodine?

Answers

The molarity of iodine solution is containing 25.00 ml of 0.0002487 m ascorbic acid is 0.0002028 M.

We calculate this using ,

Let molarity and volume of ascorbic acid be M₁ and V₁

M₁ = 0.0002487 m

V₁ = 25.00 ml

Molarity of iodine be M₂ .

As , ascorbic acid + I₂ → 2I⁻ + dehydroascorbic acid

By molarity equation,

M₁ V₁ = M₂ V₂

where M₂ is Molarity of iodine and V₂ is volume if iodine.

M₂ = 0.0002487 / 25 ÷ 30.65

M₂ = 0.0002028 M

Therefore, 0.0002028 M is the molarity of the iodine.

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concentrated nitric acid usually has a density of 1.4 g/ml and is 70% hno3 by mass (the rest is water). find the concentration of water in such a solution in mol/l.

Answers

The concentration of water in such a solution in mol/l is 0.0157 M.

Molar concentration is a measure of the concentration of a chemical species, particularly of a solute in an answer, in phrases of quantity of a substance per unit quantity of solution. In chemistry, the most commonly used unit for molarity is the range of moles consistent with liter, having the unit symbol mol/L or mol/dm³ in the SI unit.

Molarity (M) is the quantity of a substance in a certain volume of solution. Molarity is described as the moles of a solute consistent with liters of an answer. Molarity is likewise called the molar attention of a solution.

Calculation:-

The density of the solution is 1.41 g/mL.

1000 g of the solution will have a volume = Mass/ Density

                ​ =  1000 / 1.41

                     =709 ml.

The mass percent of nitric acid is 70%.

1000 g of the solution will have = 1000× 70/100

                                                       =690 g of nitric acid.

The molarity of the solution is  = Mass of nitric acid / The molar mass of nitric acid ×Volume of solution.

Mass of nitric acid = 700 / 63×709

                              = 0.0157 M.

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How many particles are in 0.75 moles of AgNO3?

Answers

Explanation:

Assume if its asking about molecule particle:

1 mol of AgNO3 = 6.022 x 10^23 molecules

0.75 mol of AgNO3 = 0.75 x 6.022 x 10^23

= 4.5165 x 10^23 molecules

Assume if its asking about atom particle:

AgNO3 has 5 elements

0.75 mol of AgNO3 = 0.75( 5 x 6.022 x 10^23)

= 2.2583 x 10^24 atoms

20 PTS!!
An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is... A) a dependent variable B) an independent variable C) a controlled experiment D) a theory​

Answers

The correct answer is C because a Controlled Experiment tests only one factor at a time and consists of a control group and one or more experimental groups.

write a brief procedure outlining how would you prepare 250ml of a 0.150m solution of cocl2 from solid cocl2 and distilled water

Answers

4.87g of would be prepared 250mL of 0.150M solutions of COCl2 form solid COCl2 and distilled water.

Solution and solvent:

A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. Note that the solvent is the substance that is present in the greatest amount. Many different kinds of solutions exist. For example, a solute can be a gas, a liquid, or a solid.

Let us consider that the solution is dissolved in the solvent.

Here the solution is cobalt(II) chloride and the solvent is distilled water.

The volume of solute is generally ignored, so we would dissolve

250ml . L / 10³ml. 0.150 M . 129.9g/ mol ≈ 4.87g

Therefore 4.87g of cobalt(II) chloride was in approximately 250mL distilled water to create the solution.

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Can yall help me with this

Answers

The phrase "axial tilt" is essential to understanding why the season change , the words or phrases from the article provided context clues to the meaning of the phrase " axial tilt" is orbits and 23.5 degree offset.

The axial tilt also called as obliquity. The axial tilt is the angle between the objects rotational axis and its orbital axis  , perpendicular to the orbital plane. The axial tilt is about 23.5 degree. due to this the sun shines on different latitudes with different angle.

Thus, The phrase "axial tilt" is essential to understanding why the season change , the words or phrases from the article provided context clues to the meaning of the phrase " axial tilt" is orbits and 23.5 degree offset.

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Answer:

A: 2 and 4

Explanation:

ttt

if 243 mg of mg(oh) 2 was neutralized with 0.0500 m hcl, what volume of hcl would you need for the neutralization?

Answers

volume of HCl would you need for the neutralization is 4 ml .

What is neutralization reaction  ?

In chemistry, neutralization or neutralization (see spelling difference) is a chemical reaction in which acids and bases react quantitatively with each other. When reacting in water, neutralization does not generate excess hydrogen or hydroxide ions in solution. The pH of the neutralized solution depends on the acidity of the reactants.

In the context of chemical reactions, the term neutralization is used for reactions between acids and bases or alkalis. Historically, this reaction was expressed as

Example:

HCl + NaOH → NaCl + H2O

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what if you measurd out more Fe then you calculated but the same amount of CUSO4 How would your amount of CU produced be affected

Answers

Answer:

Increase

Explanation:

Fe + CuSO4 - - > Fe2(SO)3 + Cu

If concentration of Fe increases, it will increase the frequency of collisions between the two reactants. Therefore the amount of Cu will also increase.

The intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule is known as _________ ________.

Answers

The intermolecular force in which a hydrogen atom that is bonded to a highly electronegative atom is attracted to an unshared pair of electrons of an electronegative atom in a nearby molecule is known as Hydrogen Bond.

An intermolecular force (IMF) known as a hydrogen bond is created when an electronegative atom with a single pair of electrons and a hydrogen atom connected to a strongly electronegative atom is in close proximity to one another. Between molecules, there are intermolecular forces (IMFs). Dispersion forces and regular dipole-dipole interactions are more examples. In general, hydrogen bonds are weaker than true covalent and ionic bonds but stronger than common dipole-dipole and dispersion forces.

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how many moles of potassium hydroxide would have to be added to 125 ml of a 0.420 m hydrocyanic acid solution, in order to prepare a buffer with a ph of 9.230?

Answers

0.021 moles of KCN are required, to prepare a buffer with a pH of 9.230

What is a buffer solution?

A buffer, an aqueous solution consists of a mixture of a weak acid and its conjugate base or vice versa. Addition of a small amount of strong acid or strong base hardly changes the pH.

Given,

Volume = 125 mL

Concentration of HCN = 0.420 M

pH = 9.230

Moles of HCN = Volume × Concentration

= 0.125 × 0.420

= 0.0525 moles

HCN + KOH ⇄ KCN + H₂O

0.0525 + X   ⇄    0                     [initially]

(0.0525 - X) + 0  ⇄ X                  [At equilibrium]

pH = pKₐ + log [salt]/[acid]

9.230 = 9.31 + log [salt]/[acid]

-0.08 = log [salt]/[acid]

0.83 = [salt]/[acid]

X / (0.0525 - X) = 0.83

X = 0.021 moles of KCN

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an oxygen-containing compound shows strong, broad ir absorption at 3200 - 3500 cm-1. what is the functional group present?

Answers

An oxygen containing compound shows strong, broad ir absorption at 3200 - 3500 cm⁻¹  the functional group present is carboxylic acid

A carboxylic acid is the functional group combine the feature of alcohol and ketones because it has both the OH bond and C=O bond and therefore carboxylic acid show a very strong and broad band covering a wide range between 2800 to 3500 cm⁻¹ for the OH strech and the range 2850 to 3000cm⁻¹ belong to saturated system while peak 3000 to 3100 indicate an unsaturated system and ir absorption is caused by the interaction between the IR electric field vector and the molecular dipole transition moments related to the molecular vibration

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a main-group element has an outer electron configuration of ns2np3 . what charge is likely for an ion of this element?

Answers

The charge for an ion of an element that has an outer electron configuration of ns2np3 is -3.

To be in a stable state, electrons try to make a noble gas configuration. The noble gas configuration is ns2 or ns2np6. So electrons try to gain or lose electrons to become ions. Ions have a charge according to the number of electrons captured (negative charge) or released (positive charge). The charge for an ion with the electron configuration

ns1 is +1ns2 is +2ns2np1 is +3ns2np2 is +4ns2np3 is -3.ns2np4 is -2.ns2np5 is -1.

Ions with a negative charge are anions while ions with a positive charge are cations.

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given the table below that shows student's examples of proposed models of the atom: which model correctly describes the locations of protons and electrons in the wave-mechanical model of the atom?

Answers

The model accurately depicts where protons and electrons are in the wave. The proton is in the nucleus and the electron is where it is most likely to be. This is the mechanical model of the atom.

The electron was expected to move in circular orbits according to the Bohr model. On the other hand, orbitals are used in the wave mechanical model to characterise the electron positions. The two are not the same. Protons are located inside the nucleus in the wave mechanical model of an atom, but electrons are present where they are most likely to be.

A subatomic particle with a negative charge is an electron. A subatomic particle having a positive charge is called a proton. The strong nuclear force holds protons together in the nucleus of an atom. A type of subatomic particle without charge is the neutron (they are neutral).

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what volume (in ml) of a 2.0 m solution of naoh is needed to prepare 494.4 ml of a 0.15 m solution of naoh

Answers

The volume of a 2.0 m solution of NaOH needed to prepare 494.4 ml of a 0.15 m solution of NaOH is 37.08 ml.

Dilution is defined as the process in which the concentration of a sample is decreased by adding more solvent. The dilution formula is given below.

C₁V₁ = C₂V₂

where C₁ = initial concentration of sample = 2.0 m

V₁ = initial volume of sample

C₂ = final concentration after dilution = 0.15 m

V₂ = total final volume after dilution = 494.4 ml

Plug in the values to the formula and solve for the volume of the solution needed.

V₁ = C₂V₂/C₁

V₁ = (0.15 m)(494.4 ml)/(2.0 m)

V₁ = 37.08 ml

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Energy Changes and chemical Reaction ​

Answers

The volume of oxygen is 14.7 litres.

What is volume?

volume is a measure of occupied three dimensional space.

Sol-Balanced chemical reaction: C₃H₈ + 5O₂ → 3CO₂ + 4H₂O.

m(C₃H₈-propane) = 5.53 g.

n(C₃H₈) = m(C₃H₈) ÷ M(C₃H₈).

n(C₃H₈) = 5.53 g ÷ 44.1 g/mol.

n(C₃H₈) = 0.125 mol.

From chemical reaction: n(C₃H₈) : n(O₂) = 1 : 5.

n(O₂) = 0.625 mol.

T = 25° = 298.15K.

p = 1.04 atm.

R = 0.08206 L·atm/mol·K.

Ideal gas law: p·V = n·R·T .

V(O₂) = n·R·T / p.

V(O₂) = 0.625 mol · 0.08206 L·atm/mol·K · 298.15 K / 1.04 atm.

V(O₂) = 14.7 L.

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why is it critical to insert the gas syringe immediately after adding the yeast solution to the sugar in the erlenmeyer flask each time this experiment is repeated with a different sugar?

Answers

It is critical to insert the gas syringe immediately after adding the yeast solution to the sugar in the Erlenmeyer flask so that the gas syringe must capture all the gas generated from each sugar in the first minute if the results for all the sugars are to be compared.

What is the Erlenmeyer flask?

An Erlenmeyer flask which is also known as a conical flask or a titration flask, is a type of laboratory flask which features a flat bottom, a conical body, and a cylindrical neck.

The most common type of Erlenmeyer Flask is merely the flat- bottomed, used widely in laboratories.

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* i need to make a 2.00 m solution of sodium hydroxide. i have a 11.9 m solution of naoh on the shelf. how many ml of the 11.9 m solution of naoh do i need to make 2 liters of the 2.00 m naoh solution?

Answers

336 ml of the 11.9 m solution of NaOH do i need to make 2 liters of the 2.00 m NaOH solution

What is Chemical reaction ?

Chemical reactions happen absolutely everywhere. While we sometimes associate chemical reactions with the sterile environment of test tubes and laboratories, nothing is farther from the truth. In fact, a vast number of transformations are creating a dizzying and almost incomprehensible series of new matter and energy changes in our world every second of every day. In nature, chemical reactions can be much more difficult to control and in some cases much more complex than in the laboratory, and generally occur whether you want it or not!In the woods A raging fire, the slow rusting process of iron over the years in the presence of oxygen and water, or the delicate ripening of fruit on a tree, the transformation of various chemicals, etc... (reactants ) into another group of substances (products) is a so-called chemical reaction.

use M1V1=M2V2

V1 = M2V2/M1 = 336 ml .

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you weighed out .50 g of zinc chloride salt instead of the .32 g required for the experiment. how will this effect the empirical formula obtained?

Answers

You weighed out 0.50 g of zinc chloride salt instead of the 0.32 g required for the experiment.  it will not affect the empirical formula obtained.

The empirical formula is calculated by the number of moles of substances.  if we increase the number of mass of zinc chloride it will increase the number of moles of zinc and the chlorine. that would divide the number of moles to obtain the ratio. so, by increasing the weight of zinc chloride there will be no effect in the empirical formula . they will remain in same proportion.

Thus, You weighed out .50 g of zinc chloride salt instead of the .32 g required for the experiment.  it will not affect the empirical formula obtained.

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if 5.01 moles of ti are mixed with 7.86 moles of cl2 and 2.47 moles of ticl4 are formed, what is the percent yield of this reaction? answer in percent to 3 significant figures.

Answers

Titanium is also utilized in the construction of portable computer housings and medical implants. Despite being the ninth most prevalent element in the crust of the Earth, titanium is relatively challenging to extract from its ores. Titanium-containing oxide minerals react with solid carbon and chlorine gas to produce titanium tetrachloride and carbrabon dioxide in the first step of the extraction process.

therefore,

5.01+7.86=12.87

12.87/2.47=19.1%

Yeild Percentage is 19.1%

Minerals are naturally occurring inorganic elements or compounds with an organized internal structure, a distinctive chemical composition, crystal shape, and physical characteristics. The yield percentage is 19.1%. Quartz, feldspar, mica, amphibole, olivine, titanium, and calcite are examples of common minerals.

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why do primary alkyl halides typically undergo sn2 substitution reactions more rapidly than do secondary or tertiary alkyl halides

Answers

The SN2 reaction proceeds most quickly for primary carbons and there's less steric congestion for all of this backside assault.

Secondary as well as tertiary alkyl halides undergo the SN2 reaction more slowly than primary alkyl halides. Since there were only three little hydrogen atoms present, methyl halides interact in SN2 reactions the fastest among the simple alkyl halides.

Due to the fact that tertiary carbocations comprise three alkyl groups and secondary carbocations only have two, the former is more stable. Based on the inductive effect, tertiary carbocation is therefore more stable that secondary carbocation.

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in the laboratory you dilute 4.90 ml of a concentrated 12.0 m hydrochloric acid solution to a total volume of 175 ml. what is the concentration of the dilute solution?

Answers

The diluted hydrochloric acid solution had a concentration of 0.3M

what is dilution?

Dilution is the application of a solvent that reduces the concentration of the solute with in solution. Concentration is the elimination of solvent, which raises the concentration of the solute in the solution.

The hydrochloric acid chemical formula is HCL,

if 1 liter of the HCL has 12mol, then 4.90ml or 0.0049 L of solution has 0.058 moles,

When the acid solution was diluted , we will get 175ml or 0.175 L  

so as we dilute the solution we will have the change in the concentration and that is calculated

0.058/0.175=0.3314

=0.3M

So the concentration of the solution that is diluted was found to be 0.3M

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In the following expression, n is a rational number: Which expression below is equivalent to this expression? what was the major reason for the development of the system shown in the illustration in both europe and japan? when the interest rate parity equation does not hold and it is possible to earn profits without exchange-rate risk, there is said to be a(n) interest arbitrage opportunity. how the internet protocol allows your smartphone to connect and communicate to other computers and devices. Two cars are traveling in the same direction. the first car is going 40 mi/h and the second car is going 55 mi/h. the first car has a 120 mile head start. which equation could you solve to find how many hours it will take for the second car to catch up to the first car? the spanish-american war spurred building of the panama canal by group of answer choices demonstrating the need to shift naval forces quickly from the atlantic to the pacific demonstrating the ease with which latin american countries could be overcome by us military force. discrediting congressional opponents of the project. demonstrating that such tropical diseases as malaria and yellow fever could be controlled. which of the following statements is (are) true? i. if the firm is producing 5 units of output, it should expand output to increase profits because p > mc. ii. at a price of $16, the firm's profits would rise if it raised its price. iii. the profit-maximizing quantity is 600 units. iv. the profit-maximizing price is $13. bruce bought two books.one book costs $4 more than three times than the other.they both equal 72$ which of the following unites a secondary group in the workplace? a.) a desire for personal understanding b.) a shared worldview c.) a common set of experiences d.) a professional objective retroviruses multiple choice produce protein directly from dna. only invade plants. contain dna. produce rna from dna. contain the enzyme reverse transcriptase. in coelomate animals, what type of tissue surrounds the digestive tube? What function does this type of tissue usually serve in other locations in the body? QGFFind the error with subject-verb agreement. Select the incorrect verb and type it correctly."If nobody in the audience laugh at my jokes tonight, my career may wellbe over," Jim thought nervously as he took the stage. which brain structure maintains homeostasis and influences blood pressure, heart rate, digestive activity, breathing rate, and other important physiological functions in the body? An empire constitutes an extensive group of states or countries governed by a single supreme authority (country). Based on this definition, which of thefollowing statements best illustrates the building of an empire by the United States?A) Missionaries (Christians) had been going to Hawaii to spread religionB) America won the Spanish-American war in 1898, and gained control of several countries.C) American sugar-cane planters in Hawaii were forced to pay tariff (xes) to the government of the United StatesD) Cuba was owned by Spain Isabel works 180 hours in one month.what is her average hourly wage,in dollars,to meet the budget?round to the nearest cent I need help asap thank you.. Who was allowed to fight In the desert storm war and who wasnt? homoserine is: a) a precursor of both methionine and threonine. b) a precursor of serine. c) derived from homocysteine. d) derived from serine. e) derived from threonine What effect does this repetition have?It creates a main idea that the audience can understand, and it establishes Gilgamesh as the main character. It creates a rhythmic pattern that the audience can follow, and it signals that the audience will hear a new dream.It creates a new structure that the audience needs to hear, and it shows how long Gilgameshs journey has been.It creates a vivid image that the audience can see, and it establishes a more realistic way of storytelling. Find the X-intercept for this please .