Give the IUPAC name of the following molecule:

Thus, the compounds among the given options which are expected to show intermolecular hydrogen bonding are:

(c) Hydrogen fluoride-HF

(d) Acetic acid

(f) Methanol

The correct answer will be option(c), (d) and (f).

Intermolecular forces is defined as the force which acts between molecules. The examples of intermolecular forces include the London dispersion force, dipole-dipole interaction, ion-dipole interaction, and Van der Waals forces. The compounds among the given options which are expected to show intermolecular hydrogen bonding are hydrogen fluoride, acetic acid and methanol.

The types of intermolecular forces present in the given compounds are,

Acetone

Acetone, a ketone, does not possess hydrogen attached to the electronegative oxygen atom and is not expected to show intermolecular hydrogen bonds.

Methane

Methane does not produce any intermolecular hydrogen bonds due to the inefficiency of conditions allowed for hydrogen bonding.

Hydrogen fluoride

The compound shows intermolecular hydrogen bonding due to the attachment of hydrogen to electronegative fluorine.

Acetic acid

The hydroxyl hydrogen in acetic acid is capable of forming hydrogen bonds.

Bromine

The molecular bromine cannot create hydrogen bonding due to the lack of electrons after the covalent bonding.

Methanol

The methanolic hydrogen is capable of forming intermolecular hydrogen bonding.

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Oxidative reactions in drug metabolism have an oxidative reaction that changes a hydrophilic parent compound into a lipophilic metabolite. So option D is correct.

Drug metabolism refers to the biotransformation of a drug in the body. Hydrophilic compounds are soluble in water and lipophilic compounds are soluble in fats and oils.

The hydrophilicity and lipophilicity of a compound can impact its absorption, distribution, metabolism, and elimination in the body.

In oxidative reactions, a hydrophilic parent compound can be converted into a lipophilic metabolite. This can increase the lipophilicity of the drug and increase its solubility in fats and oils, allowing it to penetrate cell membranes and be more widely distributed in the body.

Therefore, answer D is correct. An oxidative reaction changes a hydrophilic parent compound into a lipophilic metabolite.

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Option (a) is correct. Yes.

The new temperature of the gas is 594°C. This is calculated from the Gay-Lussac's law.

Let us consider the initial pressure is P1

The final pressure P2 = 3P1

Volume remains constant.

We can apply here the Gay-Lussac's Law. Gay-Lussac's Law states that the pressure of a given mass of gas varies directly with the absolute temperature of the gas where the volume is kept constant. It is a gas law which states the pressure of a gas varies directly with temperature when mass and volume are kept constant. As the temperature increases the pressure will also increase. According to this law, a gas's pressure is directly proportional to temperature. here we assume a constant volume and a constant number of moles. As pressure increases or decreases, the temperature also increases or decreases.

    P1/T1  =  P2/T2

          T2 = P2 * T1 / P1  

               =  3P1 * 289 / P1  

               =  867 K

   T2 = 867 - 273 = 594° C

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Answer:

Chemical formula: (NH4)A(SO4)2

Explanation:

The balanced chemical equation for the reaction between Na2CO3 (sodium carbonate) and CaCl2 (calcium chloride) is:

Na2CO3 (sodium carbonate) + CaCl2 (calcium chloride) -> 2NaCl (sodium chloride) + CaCO3 (calcium carbonate)

Given that you have 0.5 moles of Na2CO3, you need 0.5 moles of CaCl2 for the reaction to go to completion.

The number of moles of NaCl produced in the reaction can be calculated by multiplying the number of moles of Na2CO3 by the coefficient in front of NaCl in the balanced equation:

2NaCl/1Na2CO3 * 0.5 moles Na2CO3 = 1 mole NaCl

Therefore, the reaction between 0.5 moles of Na2CO3 and enough CaCl2 to react completely would produce 1 mole of NaCl.

The concentrations of the other species at equilibrium is 5.1 x 10⁻²M.  If this state is not disturbed by an external force, it will persist unbrokenly.

In physics, a system is said to be in equilibrium when neither it internal energy state nor its state of motion tend to vary over time. If a simple mechanical body experiences either accelerometers nor rotational acceleration, it is thought to be in equilibrium. If this state is not disturbed by an external force, it will persist unbrokenly.

2N[tex]_2[/tex]O (g) ⇌ 2N[tex]_2[/tex](g) + O[tex]_2[/tex](g)

Keq = [N[tex]_2[/tex]]² [ O[tex]_2[/tex]] /[N[tex]_2[/tex]O]²

substituting all the given values in the above equation, we get  

7.3 x 10³⁴= X³/1.4 x 10⁻²

X=5.1 x 10⁻²M

Therefore, the concentrations of the other species at equilibrium is 5.1 x 10⁻²M.

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A macroscopic sample of an element contains an incredibly large number of atoms, all of which have identical number of protons .

It is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.

Elements can be classified as metals and non-metals. Metals are shiny and conduct electricity and are all solids at room temperature except mercury. Non-metals do not conduct electricity and are mostly gases at room temperature except carbon and sulfur.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.

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Empirical formula is SO3 with one sulfur atom and three oxygen atoms.

Empirical formula is the chemical formula of compound that gives proportions (ratios) of the elements present in compound but not the actual numbers or arrangement of atoms.

For sulfur: 40.0% of 100 g = 40 g = 40 / 32 mol = 1.25 mol

For oxygen: 60.0% of 100 g = 60 g = 60 / 16 mol = 3.75 mol

The ratio of the number of moles of sulfur to the number of moles of oxygen is 1.25 mol / 3.75 mol = 1/3.

The empirical formula is therefore SO3 with one sulfur atom and three oxygen atoms.

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The value of θ for the first diffraction line (n = 1) in bcc iron (atomic radius 126 pm) when the X-ray wavelength is 58.0 pm is 45°.

Waves spreading outward around obstructions is known as diffraction. Sound, electromagnetic radiation like light, X-rays, even gamma rays, as well as very tiny moving particles like atoms, neutrons, even electrons that exhibit wavelike qualities all exhibit diffraction.

When a loudspeaker emits sound of different wavelengths or frequencies, the loudspeaker itself functions as an obstruction and casts a shadow to its back, diffusing just the longer bass notes there.

2dsin θ = nλ

substituting all the given values in the above equation, we get  

2×d×sin θ = n×λ

2×126 ×sin θ =1× 58.0

θ = 45°

Therefore, the value of θ for the first diffraction line (n = 1) in bcc iron (atomic radius 126 pm) when the X-ray wavelength is 58.0 pm is 45°.

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Answer:

I'm pretty sure it's B but I'm not sure

Explanation:

Piston moves upward than volume will increases when water boils in an isolated system with a movable piston.

First law of thermodynamics: The first law of thermodynamics, also termed as the law of conservation of energy, states that energy can neither be created nor be destroyed, but it will be changed from one form into another.

Mathematically, ΔQ = ΔU + W

This first law of thermodynamics will be used in movable piston.

ΔQ is the heat given or the heat lost

ΔU change in internal energy

W will be the work done

Isolated system: A system which cannot exchange matter or energy with the surroundings, is called as an isolated system.

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--The given question is incorrect, the correct question is

"How the system is changing when water boils in an isolated system with a movable piston?"--

[tex]\boxed{\boxed{\large\textsf{There are approximately 2.4$\sf\times10^{21}$ atoms in 47 mg of diamond}}}[/tex]

To determine the number of carbon atoms in a diamond, we can use Avogadro's constant and the number of moles of carbon present.

Avogadro's constant, which is approximately 6.022 x 10²³, represents the number of particles (atoms, molecules, compounds, ions, etc.) in one mole (a specific amount) of substance.

The number of moles (symbol n; units mol) present in a substance can be determined by dividing the mass present (in grams; symbol m), by the molar mass of the specified substance (in g/mol; symbol M), as follows:

[tex]\boxed{\Large\text{$\displaystyle\rm n\,(moles)=\frac{m\,(mass)}{M\,(molar\,mass)}$}}[/tex]

Next, we can use the molar mass of carbon, which is 12.01 g/mol (found on a standard IUPAC Periodic Table), to find the number of moles of carbon in the diamond. Firstly we convert the mass from milligrams to grams, by dividing by 1000 = 0.047 g of carbon.

Then, plugging values into the above formula, the number of moles can be found to be:

[tex]\large\textsf{$\sf\displaystyle n\left(C\right) = \frac{0.047}{12.01}=0.003913\,mol$}[/tex]

Finally, to find the number of carbon atoms, we multiply the number of moles of carbon by Avogadro's constant:

[tex]\large\textsf{N(C)\ =\ $\sf n\times N_A$}\\\\\large \textsf{$\phantom{N(C)}$= 0.003913 $\sf\times\left(6.022\times10^{23}\right)$ }[/tex]

[tex]\boxed{\boxed{\large\textsf{$\sf\therefore $ Number of carbon atoms = 2.4 atoms (2 s.f)}}}[/tex]

[tex]\hrulefill[/tex]

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Question 8:

The chemical formula of Magnesium sulfate (MgSO4) is anhydrous. To find the number of moles of anhydrate in the sample, we need to use the molar mass of anhydrate. The molar mass of MgSO4 is 120.37 g/mol.

4.06 g of MgSO4 / 120.37 g/mol = 0.03367 moles of anhydrate

So, the sample contains 0.03367 moles of anhydrate.

Option 4 is correct. The bowman consistently hits around the target but never hits the bullseye demonstrates his high accuracy but low precision.

Accuracy: The ability of an instrument is to measure the accurate value is known as accuracy. In other words, it is the the closeness of the measured value to a standard or true value.

Precision: The closeness of the two or more measurements to each other is called as the precision of a substance.

In a laboratory situation, high precision with low accuracy will results from a systematic error. Either the measurer makes the same mistake will  repeatedly, or the measuring tool is somehow flawed. A poorly calibrated balance may give the same mass reading every time, but it will be so far from the true mass of the object.

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Equilibrium  constant of a reaction is the ratio of the molar concentration of product to that of reactants at equilibrium. For the given  reaction, the equilibrium constant is given, 6.00 ×10⁻² . Then, the concentration of ammonia is 0.53 M.

A compound or element gets ionized to form its anion or cation by the gain or lose of electrons.

Here, hydrogen and nitrogen reacts to give ammonia. The ratio of product of molar concentrations of products to the product of molar concentrations of the reactants at equilibrium is called the equilibrium constant.

The equilibrium constant constant of the given reaction is written as:

K = [H₃O]⁺ [CH₃COO-]/[CH₃COOH]

Given [H₂] =  2.09 M

and  [N₂] = 4.26 M.

then, K = [NH₃]/ 7.6 M × 16.4 M = 6.00 ×10⁻²

Then, [NH₃] = 6.00 ×10⁻²× 7.6 M × 16.4 M = 0.53 M

Therefore, the equilibrium concentration of ammonia is 0.53 M.

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The statement exhibits that the weakest dispersion force is molecules that are smaller.

Thus, the correct answer is A.

The London dispersion force is the weаkest intermoleculаr force. The London dispersion force is а temporаry аttrаctive force thаt results when the electrons in two аdjаcent аtoms occupy positions thаt mаke the аtoms form temporаry dipoles. This force is sometimes cаlled аn induced dipole-induced dipole аttrаction. London forces аre the аttrаctive forces thаt cаuse nonpolаr substаnces to condense to liquids аnd to freeze into solids when the temperаture is lowered sufficiently.

Dispersion forces аre present between аll molecules, whether they аre polаr or nonpolаr. London dispersion forces tend to be:

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Answer:

The correct set of coefficients for the given chemical reaction is 2, 4, 1, 2, which means that you have 2C₁2H₂2011+40₂200₂+114₂0.

The speed of Train A is 88 km/hr, and the speed of Train B is 96 km/hr. The trains have the same kinetic energy. Therefore, option D is correct.

Kinetic energy is the energy of motion, which can be seen as an object or subatomic particle moving. Kinetic energy exists in every moving object and particle.

The ability of kinetic energy to do work is perhaps its most important property. Work is defined as force acting in the direction of motion on an object. Work and energy are so inextricably linked that they can be used interchangeably.

The speed of Train A is 88 km/hr, and the speed of Train B is 96 km/hr. The trains have the same kinetic energy because their masses are identical.

Thus, option D is correct.

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Based on the mass of sodium carbonate reacting,

The equation of the reaction of sodium carbonate reacting with calcium hydroxide is given below:

Na₂CO₃ + Ca(OH)₂ ----> 2 NaOH + CaCO₃

Moles of sodium carbonate reacting = mass /molar mass

The molar mass of sodium carbonate = 106 g/mol

Moles of sodium carbonate reacting = 56/106

Moles of sodium carbonate reacting =0.528 moles

Moles of CaCO₃ produced = 0.528 moles

Mass of CaCO₃ produced = 0.528 * 100 g

Mass of CaCO₃ produced = 52.8 g

Moles of sodium hydroxide produced = 2 * 0.528

Mass of sodium hydroxide produced = 2 * 0.528 * 40 g

Mass of sodium hydroxide produced =42.24 g

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Number of

atom

can be calculated using stoichiometry.

Moles

can be calculated by dividing mass and molar mass.

What is atom?

The smallest unit of

matter

that can be divided without producing electrically charged particles is the atom. It is also the smallest piece of matter with chemical element-like characteristics. As a result, the

atom

serves as the fundamental unit of chemistry.

Number of

atom

can be calculated using stoichiometry. Moles can be calculated by dividing mass and molar mass. Number of

molecules

can be divided by multiplying moles and Avogadro number.

Therefore, number of

atom

can be calculated using

stoichiometry

.

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atom

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Among the following that can be determined by knowing the number of protons in a neutral element is (b) the number of electrons in the neutral element.

The atomic number of an element is always equal to the number of protons that may be found in a neutral atom. This number is what differentiates an element from others. If we know the number of protons in a neutral atom, we can compute (b) the number of electrons in the neutral element; but, we are unable to use this information to compute the number of neutrons in the element.

We may deduce that the number of electrons in an atom must be equal to the number of protons since we already know that the number of protons in every particular atom is always the same.

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Explanation:

The exact answer to this question depends on the pH of the HCl solution and the buffer capacity of sodium formate, which can vary depending on various factors such as temperature and impurities. To determine the volume of sodium formate needed to obtain a pH of 3.7, it would be necessary to perform a titration experiment and measure the pH of the solution at various points to determine the buffer capacity of the sodium formate.

The amount of I2 in water will be 0.001202 mol/L according to the student's work.

The amount of a particular chemical solute in a specific concentration of the solution seems to be how strong it is. Molarity, or the number of molecules of material in one liter of solution, is a common unit of measurement for concentrations.

The capacity to focus is being able to control your attention. Control of attention is what it means. The capacity to concentrate without getting sidetracked on one thing, object, or concept. Focusing one's attention while ignoring extraneous thoughts is known as this.

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The conjugate base of the specie HS^- is S^-

We know that form the Bronsted Lowry perspective of the acid and the base, the acid is the substance that can be able to give out a proton while the base is the kind of substance that can be able to accept a proton.

We can see here that the conjugate base is the specie that can be obtained by the loss of a proton from the HS^- as such we would have it as S^-.

Hence, we can see that the base that is the conjugate base in this sense is S^-.

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Mercury weighs 13.6gmL-1, which is its density, The approximate diameter of an atom of mercury is given by the formula a is 2.900410xcm.

There are 844.90 pounds in a cubic foot of mercury. One cubic foot contains how many pounds of mercury is,the correct response is that, for the same mercury type, a change of 1 cu ft - ft3 (cubic foot) unit equals = to 844.90 lb (pound).

Mercury weighs 13.6gmL-1, which is its density. Assuming that each atom occupies a cube with edges that are the same diameter as the mercury atom, the approximate diameter of an atom of mercury is given by the formula a=2.900410xcm.

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The electronegativity of the element a is more important for elements in the same period of the periodic table, whereas bond strength is more important for elements in the same group.

Period: The horizontal rows are known as periods. Each period will corresponds to the successive occupation of the orbitals in a valence shell of the atom, with the long periods corresponding to the occupation of the orbitals of the d-subshell.

Group: The vertical columns in a periodic table are known as groups. There are 18 numbered groups in the periodic table; the 14 f-block columns, between the groups 2 and 3, are not numbered. The elements in a group have similar physical as well as chemical characteristics of the outermost electron shells of their atoms because the most chemical properties are dominated by the orbital location of the outermost electron.

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The complete rate law should be like: Rate = k[NO][H2]^2

Rate = k[NO]^x[H2]^y, where x and y are the exponents for the concentration of nitric oxide (NO) and hydrogen (H2) respectively.

The rate law can be determined by performing experiments with different initial concentrations of NO and H2 and observing how the initial rate changes.

From the data provided,

It can be seen that increasing the concentration of NO by a factor of 2 results in an increase in the initial rate by a factor of 2^(x).

Similarly, increasing the concentration of H2 by a factor of 2 results in an increase in the initial rate by a factor of 2^(y).

Based on this information, x = 1 and y = 2 can be determined, giving us the rate law:

Rate = k[NO][H2]^2

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Answer:

0.00823 L and 0.000647 L

Explanation:

Use standard metric conversions

1 cL = 0.01 Liters

1 mL = 0.001 Liters

A chemical property of water is that is unreactive with oil .