a polar covalent bond between two atoms results from

The automobile gasoline can hold 22.3 lb. of gasoline if the gasoline has a density of 0. 737 g/ml.

The automobile gasoline tank holds 22.3 pounds of gasoline when full. To calculate the amount of gasoline that a tank can hold, we need to convert the volume in gallons to volume in liters and then multiply it by the density in g/mL to find the mass in grams.

The density of gasoline is 0.737 g/mL, which means that every milliliter of gasoline weighs 0.737 grams. To convert the volume from gallons to liters, we use the conversion factor 1 gallon = 3.785 liters.

So, the volume of the tank in liters is

Multiplying this volume by the density of gasoline gives us the mass of gasoline in grams:

To convert this mass to pounds, we multiply by the conversion factor 2.2046 lb/kg, giving us a total of

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Generally a reagent can be defined as a compound or mixture that is basically added to a system to start or test a chemical reaction.

A reagent is generally defined as a compound or mixture which is added to a system in order to start or quality check a chemical reaction. A reagent can basically be used to determine the presence or absence of a specific chemical substance in certain reactions which are triggered by the binding of reagents with the substance and other related substances.

Also a reagent can be defined as an integral part of any chemical reaction. A reagent is basically a substance or compound that can facilitate a reaction tremendously, and they are used in most widely in almost every tests. Let's consider an example of, pregnancy tests, blood glucose tests, and most COVID-19 test kits.

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The given statement is false. Because the O-H stretch of an alcohol occurs at a higher frequency in concentrated solutions and at a lower frequency in dilute solutions.  

This is due to the hydrogen bonding that occurs between the alcohol molecules, which strengthens in concentrated solutions as well as weakens in dilute solutions. The stronger hydrogen bonding in concentrated solutions results in a higher energy required to stretch the O-H bond, which corresponds to a higher frequency.

Conversely, weaker hydrogen bonding in dilute solutions results in a lower energy required to stretch the O-H bond, which corresponds to a lower frequency.

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The calculations possible using only 28.02 g/mol as a conversion factor are A and C and calculation of each part is below.

A. Calculate the grams of N2 in 10.58 liters of nitrogen gas can be done using the density of nitrogen gas at standard temperature and pressure (STP) which is 1.2506 g/L. Using the given volume of 10.58 L and the density of nitrogen gas, we can calculate the grams of N2 as:

Grams of N2 = (10.58 L) x (1.2506 g/L) = 13.23 g of N2

B. Calculate the grams of N2 in 5.03 x 10^20 moles of nitrogen molecules cannot be directly calculated using the given conversion factor of 28.02 g/mol. We would need the Avogadro's number to convert the number of moles to the number of nitrogen molecules, and the molar mass of nitrogen to convert the number of nitrogen molecules to grams.

C. Calculate the moles of N2 molecules in 3.94 grams of nitrogen can be calculated using the molar mass of nitrogen gas, which is 28.02 g/mol. We can use the formula:

Moles of N2 = (Given mass of N2) / (Molar mass of N2)

= 3.94 g / 28.02 g/mol

= 0.1407 moles of N2

D. Calculate the moles of N2 molecules in 4.73 liters of nitrogen gas can also be done using the density of nitrogen gas at STP and the molar mass of nitrogen gas. Using the given volume of 4.73 L and the density of nitrogen gas, we can calculate the mass of nitrogen gas as:

Mass of N2 = (4.73 L) x (1.2506 g/L) = 5.917 g of N2

Then, we can use the formula:

Moles of N2 = (Given mass of N2) / (Molar mass of N2)

= 5.917 g / 28.02 g/mol

= 0.2112 moles of N2

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The attractive forces associated with the solid NaCl salt is the Dipole-dipole force and the ionic bonding.

The NaCl is the sodium chloride , the NaCl is formed by the ionic bond and called as the ionic compound. The ionic bond is the attractive force that is formed in between the positively charged atom and the negatively charge atom. The ionic bond is formed between the atom by the complete transfer of the electrons.

The NaCl compound is the polar in nature because of  the difference in the electronegativity between the sodium and the chlorine atoms, create  a permanent dipole. Therefore, the dipole dipole interaction is present in the sodium chloride.

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Answer:

A neutral stable carbon atom with a mass of 11 has the atomic number 6, which means it has 6 protons in its nucleus. The number of neutrons in a carbon atom can vary, but the most common isotope of carbon has 6 neutrons.

In a neutral atom, the number of electrons is equal to the number of protons. Therefore, a neutral carbon atom with 6 protons would also have 6 electrons.

So to summarize, a neutral stable carbon atom with a mass of 11 has:

6 protons

6 neutrons (for the most common isotope)

6 electrons

Explanation:

A neutral stable carbon atom is an atom that has no net electric charge and is not undergoing any chemical reactions. This type of atom is said to be "stable" because it has a balanced number of protons and electrons, which gives it a neutral electric charge.

The number of protons in an atom is known as its atomic number, which is unique to each element and determines the element's identity. The atomic number of carbon is 6, which means that every carbon atom has 6 protons in its nucleus.

The number of neutrons in an atom can vary, but the most common isotope of carbon has 6 neutrons. Atoms of the same element known as isotopes differ in the number of neutrons they contain in their nuclei. The number of neutrons in an atom affects its mass, but not its atomic number.

The quantity of electrons in a neutral atom is equal to the number of protons. Electrons occupy the electron shells surrounding the nucleus, and the number of electrons determines the element's chemical properties and behavior. In a neutral carbon atom, there are 6 electrons to balance the 6 protons in the nucleus.

In conclusion, a neutral stable carbon atom with a mass of 11 has 6 protons, 6 neutrons (for the most common isotope), and 6 electrons. This gives the atom a neutral electric charge and is representative of the atomic structure of the element carbon.

Cyclopropane and cyclohexane are the two rings having roughly the same bond angle in their preferred conformations.

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The empirical formula for the molecule containing 47.35% C, 10.60% H, and 42.05% O is CH2O.

To determine the empirical formula, the percentage composition of each element must first be converted to moles. This is done by dividing the mass of each element by its molar mass and multiplying by the total moles in the compound. The total moles in the compound can be determined by dividing the molar mass by the molecular mass. The molecular mass of the compound is calculated by adding the atomic masses of each element together.

Once the moles of each element have been determined, the relative numbers of each element in the compound can be determined by dividing the moles of each element by the total moles in the compound. The empirical formula of the compound is then determined by dividing each element’s relative number by the smallest integer that will yield whole numbers. In this case, the smallest integer for C is 1, for H is 2, and for O is 1, yielding a molecular formula of CH2O.

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The mole fraction of I2 in the solution is 0.218 which is made by dissolving 83. 4 g of i2 in 245 g of hexane, c6h14.

The mole fraction of a solute in a solution can be calculated by dividing the number of moles of the solute by the total number of moles of solute and solvent in the solution. To find the number of moles of I2, we first need to convert the mass of I2 to moles using its molecular weight. The molecular weight of I2 is 253.80 g/mol, so the number of moles of I2 is

To find the number of moles of hexane, we use the same calculation. The molecular weight of hexane is 86.18 g/mol, so the number of moles of hexane is:

245 g / 86.18 g/mol = 2.84 moles.

To find the mole fraction of I2, we divide the number of moles of I2 by the total number of moles, which is 0.329 moles / (0.329 moles + 2.84 moles) = 0.218.

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The name of each element in the periodic table represented one or two letters are used to represent the name of each element.​ Therefore, option D is correct.

The periodic table is a tabular array of chemical elements organized by atomic number, beginning with hydrogen and progressing to oganesson, which has the highest atomic number.

Sometimes the first letter of the element's name is used to represent it, for example, hydrogen = H; sometimes the first two letters are used, for example, calcium Ca; and sometimes the Latin name is used, for example, gold is Arum and is represented as Au.

Thus, option D is correct.

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Your question is incomplete, mos probably your question was

How is the name of each element in the periodic table represented? A. The first two letters of the element's name are used for the table. B. Letters are assigned to each element by the scientist who discovered it. C. Letters are given to represent each element based on when it was discovered. D. One or two letters are used to represent the name of each element.​

The molecular formula for 2-methyl 1-butene is C₅H₁₀.

Generally, the molecular formula is defined as an expression which defines the number of atoms of each element in one molecule of a compound. Molecular formula often shows the actual number of each atom present in a molecule. Let's see an example, the molecular formula of propane is C₄H₁₀. In this molecular formula, basically there are 4 carbon atoms and 10 hydrogen atoms in the given compound.

2-Methyl-1-butene is an organic compound that is used as a solvent in organic synthesis. 2-Methyl-1-butene is basically used in the preparation of pinacolone, flavor enhancer, spice, crop protectants and tertiary amyl phenol.

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Mixture- honey, seawater, blood,  mud

element- hydrogen, calcium

compund- magnesium oxide,  copperII sulfate, potassium iodide solution.

A mixture is a material composed of two or more different chemical substances that are not chemically bonded. A mixture is the physical combination of two or more substances that retain their identities and are mixed in the form of solutions, suspensions, and colloids.

Element is a free and open-source instant messaging client that uses the Matrix protocol. End-to-end encryption, private and public groups, file sharing between users, voice and video calls, and other collaborative features are supported by Element via bots and widgets.

A compound is a substance made up of two or more different chemical elements combined in a fixed ratio in chemistry. When the elements combine, they react and form chemical bonds that are difficult to break. These bonds form as a result of atoms sharing or exchanging electrons.

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Answer:

its the third one

Temperature and molecular motion is a)directly proportional to each other. On increasing temperature,molecular motion also increases. So, correct option is a.

Molecular motion is characterized as the development of constituent particles or particles in a specific heading. The Molecular motion are impacted by intensity and temperature. This is on the grounds that temperature is the estimation of the typical dynamic energy of the atoms and addresses the movement of particles.

Essentially, heat moves energy among constituent particles that increment the motor energy of atoms. The numerical connection between active energy and temperature can be displayed underneath;

E = kT

where, E=Energy, k=boltzmann steady, T=temperature

The various kinds of molecular motion are

Translational movement: In such sort of movement, particles can move starting with one spot then onto the next in the equivalent or different bearing yet consistently stays on a similar hub.

Rotational movement: In this sort of movement, the particle can turn in and around the pivot.

Vibrational movement: In this kind of movement, particles can vibrate at their mean position. These movements are extremely normal in strong state.

Electronic movement: In this kind of movement, electrons can move from one spot to another and orbital to orbital. Electronic movements cause an adjustment of the shade of substances.

Hence,correct option is a.

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(Complete question) is:

what is the relationship between temperature and molecular motion?

a)directly proportional to each other

b)inversely proportional to each other

c)both directly and indirectly to each other

d)exponential proportional to each other

Azane (NH3) atomic mass of NH3 is 17.03 atomic mass units.

NH3 is the chemical formula for ammonia, which consists of one nitrogen atom (N) and three hydrogen atoms (H). To calculate the atomic mass of NH3, we can add up the atomic masses of each of its constituent atoms.

The atomic mass of nitrogen (N) is approximately 14.01 atomic mass units (amu), and the atomic mass of hydrogen (H) is approximately 1.008 amu. the atomic mass of one molecule of NH3 is:

= (1 x 14.01 amu) + (3 x 1.008 amu)

= 17.03 amu

So, the atomic mass of NH3 is approximately 17.03 atomic mass units.

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Slip is an acid-resistant resin used to make aquatints is a false statement.

Slip is an acid-resistant resin used to make aquatints. Tempera, gouache, and watercolor are all water-based paint media. Because oil paints dry quickly, it is difficult for artists to make changes to their paintings.

The process of making aquatints involves, fine particles of acid-resistant material, such as powdered resin, are attached to a printing plate by heating. The plate is then immersed in an acid bath, just like etching. The acid eats into the metal around the particles to produce a granular pattern of tiny indented rings.

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The [tex]$$C_6[/tex] carboxylate group is the nucleophile that reacts with alginate the fastest.

When an electron-rich nucleophile contacts a positively charged electrophile to replace a leaving group, the reaction is classified as a nucleophilic substitution process.

Substitution and/or elimination are the two main sorts of reactions that alkyl halides can go through. Because of the new bond that develops between the electrophilic alkyl halide and the nucleophile, which replaces the halogen at the alpha-carbon, the substitution reaction is known as a Nucleophilic Substitution reaction.

When an electron-rich nucleophile interacts with or assaults an electron-poor electrophile, a group or atom known as the leaving group is displaced, resulting in a nucleophilic substitution process. Two reactions can be used to define haloalkane nucleophilic substitution.

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The chemical name of the aspirin is acetylsalicylic acid.                

It is a commonly used medication that belongs to a class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). Aspirin is primarily used for pain relief, reducing inflammation, and reducing fever. It works by inhibiting the production of prostaglandins, which are involved in the body's inflammatory response.    

Aspirin is available over-the-counter in various doses and is used to treat a variety of conditions, including headache, menstrual cramps, arthritis, and cardiovascular disease. Aspirin works by inhibiting the production of prostaglandins, which are involved in the body's inflammatory response.

Aspirin is also used as a blood thinner to reduce the risk of blood clots that can lead to heart attack or stroke. However, it should be used with caution in some individuals, such as those with a history of stomach ulcers or bleeding disorders, and under the guidance of a healthcare provider.      

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To convert from the moles of one substance to the moles of another substance the one that allows is the correct option is D. A balanced chemical equation.

The balanced equation is the the chemical equation in which the number of the moles of the atoms in the reactant side is equals to the number of the moles of the product side of each of the atom. From the balanced chemical equation we will find out the moles of the substance that involves in the chemical reaction.

Thus, from the balanced chemical equation we will convert the moles of the one substance to moles of the another substance.

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The process where the source of the CO₂ in which the root hairs release into the soil, is O₂ is a by-product of respiration. The correct answer is A.

During respiration, plants and other organisms break down sugar molecules and use the energy generated to produce carbon dioxide (CO₂) as a metabolic by-product. This CO₂ is then released into the soil by the root hairs.

Respiration is a complex process that occurs in the cells of all living organisms. During respiration, cells break down glucose molecules and convert the chemical energy stored in the molecules into energy that can be used to power the organism’s metabolic processes. This energy is released in the form of ATP molecules, which are used to fuel cellular activities.

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Good nucleophiles and powerful bases are organometallic reagents. Since they contain a link between a metal and a nonmetal, organometallic reagents are ionic.

Chemicals with carbon-metal linkages are called organometallic reagents. Only compounds where M = Li or Mg will be taken into consideration for the sake of the discussion that follows. A substance is referred to be an organolithium reagent when M=Li. Grignard reagents are what you get when M = Mg.

An organic molecule's carbon atom is bonded to at least one metallic element through an organometallic complex, which is a type of chemical compound. In some industrial chemical reactions, organometallic compounds made of metalloid elements including silicon, tin, and boron are employed.

Traditional definitions of organometallic compounds include those with bonds between one or more metal atoms and one or more carbon atoms of an organyl group. By prefixing the metal with "organo-," organometallic compounds are categorised (e.g., organopalladium compounds).

Therefore, the correct answer is option

A. Organometallic reagents are good nucleophiles and strong bases.

B. Organometallic reagents are ionic since they contain a bond between a metal and a nonmetal.

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Answer: density of brass is 8.4 to 8.73 g/cm3 (0.303 to 0.315 lb/cu in).

Answer:True

Sediments are layers and inside of each layer of rock, you can find past animals and plants that lived that wil allow you to know more about the life on Earth centuries before humans began to study it. So B. True is our correct answer.

I hope this helped & Good Luck <3!!

The number of protons is equal to atomic number; the number of neutrons = mass number – the atomic number.

Protons are the kind of subatomic particles that, together with neutrons, are prominently found in the nucleus of an atom.

An element's atomic number may be thought of as the number of a chemical element in the periodic system, where the elements are grouped in ascending order of the number of protons in the nucleus.

The difference between the atomic number and the mass number of the atom may be used to compute the number of neutrons.

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Using the periodic chart, you may approximate an element's atomic mass. On the periodic table, the atomic mass of each element is stated in units of atomic mass.

The weighted average mass of all the naturally occurring isotopes of that element is represented by this value. Simply look up an element's atomic symbol on the periodic table & read the atomic mass that is stated next to it to get its atomic mass.

The periodic chart typically gives the atomic mass to the closest whole integer, while it occasionally may be presented to one or two decimal places. The atomic mass indicated on the periodic table is an aggregate of the masses, which is a crucial point to remember.

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Combining a carboxyl group with a hydrocarbon chain creates a fatty acid.

Fatty acids are organic molecules that consist of a hydrocarbon chain and a carboxyl group (-COOH) at one end. The hydrocarbon chain can vary in length and degree of saturation, which determines the properties of the fatty acid.

There is no double bond in saturated fatty acids (SFA); This kind of fat is made by the body and comes primarily from animal products like full-fat dairy products, red meat, and poultry. In addition, there are numerous varieties of SFA based on the length of their chain, which ranges from 4 to 16 carbon atoms.

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The ratio for [C[tex]_5[/tex]H[tex]_5[/tex]N]/[C[tex]_5[/tex]H[tex]_5[/tex]NH⁺] if the solution has the following pH values 4.50 is 6.30.

A buffer is indeed a solution that resists pH fluctuations and contains either a weak acid as well as its salt or perhaps a weak base as well as its salt. To put it another way, a buffer is indeed an aqueous solution that includes a weak base as well as its conjugate acid, or a weak acid as well as its conjugate base.

A buffer may also be referred to as a buffer solution, hydrogen ion buffer, and pH buffer.

pOH =PKb+log[salt]/[base]

pOH =14-pH= 14-4.50=9.5

pKb= -logKb

     =-log(1.7×10⁻⁷)

     =8.7

9.5 =8.7+log[salt]/[base]

9.5 -8.7=log[salt]/[base]

0.8=log[salt]/[base]

[salt]/[base] =10^0.8=6.30

[C[tex]_5[/tex]H[tex]_5[/tex]N]/[C[tex]_5[/tex]H[tex]_5[/tex]NH⁺]=6.30

Therefore, 6.30 is the value for [C[tex]_5[/tex]H[tex]_5[/tex]N]/[C[tex]_5[/tex]H[tex]_5[/tex]NH⁺].

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The volume would occupy 5. 00 grams of oxygen if the temperature and pressure remain constant is 10.85 L.

According to the ideal gas law, PV = nRT, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is temperature. If the temperature and pressure remain constant, we can use the equation V₁/n₁ = V₂/n₂ to find the volume of 5.00 grams of oxygen gas.

First, we need to convert the mass of oxygen gas to moles. The molar mass of oxygen gas is 32.00 g/mol, so:

Next, we can plug in the values into the equation:

V₁/n₁ = V₂/n₂

100 L / 1.44 mol = V₂ / 0.15625 mol

Cross-multiplying and solving for V₂ gives:

V₂ = (100 L)(0.15625 mol) / 1.44 mol

V₂ = 10.85 L

Therefore, 5.00 grams of oxygen gas would occupy a volume of 10.83 L at the same temperature and pressure.

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The new pressure of the gas after doubling the temperature and halving the volume is 4 atm. The correct answer is (d).

The ideal gas law is expressed as:

PV = nRT

where P is the pressure of the gas, V is its volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature in Kelvin.

If we double the temperature and halve the volume of the gas while keeping the number of moles constant, then the new pressure can be calculated as follows:

P1V1/T1 = P2V2/T2

Since the initial pressure (P1) is 1 atm, and the final volume (V2) is half the initial volume, the initial volume (V1) is 2 times V2, and the initial temperature (T1) is half of the final temperature (2T1 = T2), we can substitute these values into the equation above and solve for the final pressure (P2):

P1V1/T1 = P2V2/T2

1 atm x (2V2) / (T1/2) = P2 x V2 / T1

2 atm / (T1/2) = P2 / T1

P2 = 4 atm

Therefore, the new pressure of the gas after doubling the temperature and halving the volume is 4 atm. The correct answer is (d).

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The chemical equation of the production of ammonia is shown in figure 1 and it shows that the mole ratio for ammonia and nitrogen gas is 2:1.

What is mole ratio?

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