what is the IUPAC name for C2H5

To determine how many grams of XeF6 are required to react with 0.321 L of hydrogen gas at 4.33 atm and 75°C in the reaction shown below, we can use the ideal gas law, which states that the pressure, volume, and temperature of a gas are related by the equation PV = nRT, where P is the pressure of the gas, V is the volume of the gas, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature of the gas in Kelvin.

In this problem, we know the volume of the hydrogen gas, the pressure of the hydrogen gas, and the temperature of the hydrogen gas, so we can use these values to calculate the number of moles of hydrogen gas present in the reaction:

Copy code

n = (PV) / (RT)

n = (4.33 atm * 0.321 L) / (0.08206 L*atm / mol*K * (75 + 273.15) K)

n = 0.025 mol

Next, we need to determine the number of moles of XeF6 required to react with 0.025 mol of hydrogen gas in the reaction shown below. We can do this by using the balanced chemical equation for the reaction, which is XeF6(s) + 3 H₂(g) → Xe(g) + 6 HF(g). From this equation, we can see that for every 1 mole of XeF6 that reacts, 3 moles of hydrogen gas are consumed. Therefore, to consume 0.025 mol of hydrogen gas in the reaction, we need 0.025 mol / 3 = 0.0083 mol of XeF6.

Finally, we need to convert the number of moles of XeF6 to grams. To do this, we can use the molar mass of XeF6, which is 221.0 g/mol. Therefore, 0.0083 mol of XeF6 has a mass of 0.0083 mol * 221.0 g/mol = 1.83 g.

In summary, to react with 0.321 L of hydrogen gas at 4.33 atm and 75°C in the reaction shown below, we need 1.83 g of XeF6.

[tex]\bold{\huge{\underline{Answer}}}[/tex]

Reaction :-

Reaction :-

[tex]\sf{C2H6SO4 + H2O}{\sf{\underline{\,\,yeilds\,\,}}}{\sf{ethanol}}[/tex]

Reaction :-

[tex]\sf{C2H5Cl+ KOH}{\sf{\underline{\,\,boils\,\,}}}{\sf{C2H5OH + KCl}}[/tex]

Process 1:

Organic reactant: Ethylene (C₂H₄)

Type of reaction: Addition reaction

Process 2:

Organic reactant: Carbon monoxide (CO) and hydrogen (H₂)

Type of reaction: Catalytic hydrogenation

1. In the first process, ethanol can be manufactured by the addition reaction of ethylene (C₂H₄). Ethylene, a hydrocarbon, undergoes an addition reaction with water (H₂O) in the presence of a catalyst to produce ethanol (C₂H₅OH). The reaction involves breaking the carbon-carbon double bond in ethylene and forming new single bonds with two hydrogen atoms from water, resulting in the formation of ethanol.

2) In the second process, ethanol can be manufactured through a catalytic hydrogenation reaction. This involves reacting carbon monoxide (CO) and hydrogen (H₂) in the presence of a suitable catalyst, such as copper or zinc, at elevated temperature and pressure. The reaction proceeds via the reduction of carbon monoxide and the addition of hydrogen atoms, leading to the formation of ethanol (C₂H₅OH).

This process is commonly known as the "synthesis gas fermentation" or "syngas fermentation" and is an essential method for producing ethanol from syngas derived from various feedstocks.

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The half-life of the nuclide for which you are calculating activity is given by t1/2, and the natural logarithm of 2 is approximately equal to 0.693.

Therefore, the Co-60 decay constant is 0.693/5.27 years, which you would read as 0.1315 yr-1, or 0.1315 per year.

A half-life is the length of time it takes for half of a radioactive atom to decay.

For instance, the previously stated technetium-99m has a six-hour half-life, which implies that, starting at 100%, we will have 50% remaining after six hours.

The period of time it takes for a drug's plasma concentration to drop to half its initial value is known as its half-life.

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Polymers are all plastics, but not all plastics are polymers. Plastic is a particular type of polymer. Plastics are long-chain molecules formed by large monomers, whereas polymers are uniform molecules formed by small monomers.

A polymer is a substance or material made up of very large molecules known as macromolecules that are made up of many repeating subunits. Both synthetic and natural polymers play important and ubiquitous roles in everyday life due to their broad range of properties.

All plastics are polymers, but not all polymers are plastic, implying that plastic is a subdivision of polymer. Polymers can be natural or synthetic, but plastics are synthetic.

All plastics are polymers, but not all polymers are plastics. The composition, physical properties, and applications of polymers and plastics are examined below to provide a clear explanation of the differences between the two.

Thus, Polymers are all plastics, but not all plastics are polymers. Plastic is a particular type of polymer.

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Barium-131's radiation level won't be reduced to 1/4 of its original level until 24 days have passed.

Iodine-131 is a radioisotope with an 8-day half-life as an illustration. It turns into xenon-131 through the emission of beta particles. Any sample of iodine-131 after eight days will contain 50% iodine-131 and 50% xenon-131 due to the disintegration of half of the sample's atoms.

As far as we are aware, radioactive reactions are first order reactions.

Given that barium-131's half life is 12 days,

It will therefore take an additional 12 days, or one more half life, for it to sink to 1/4 of its original level.

12 + 12 = 24 days total.

Barium-131's radiation level won't be reduced to 1/4 of its initial level until after 24 days.

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The volume of He in the ethanol solution  is 10.

Volume' is a mathematical of the quantity that shows the amount of three-dimensional space of a  occupied by an object or a closed surface.

Aires total pressure of hydrogen helium 7 56. Star mole fraction of helium is 0.75. And we have to find out partial pressure of hydrogen because total pressure is given and mole fraction of helium is given. So eucalyptus first find out partial pressure of helium. So partial pressure of William is equal to mull faction of William multiplied by total pressure. So let us this PPT. So mole fraction of helium is zero points and favors for the question Total Price 37 56. So we are getting unsolved. Ng 5 to 67 30. This is the partial pressure of for helium. Now, to get the partial pressure of hydrogen, mm hmm will subtract Partial pressure of helium from parcel total pressure. So pity minus partial pressure of helium. Total pressure is 756 livered by minus 5 67. So you are getting 1 89 thought. So, this is the first part of the question. , since the volume a vessel is since the volume of the cell is telling you that this must be the volume of Helium. Also, therefore, volume of William, volume occupied by the William is also 10 liter and volume occupied by Harrison is also 10 later because a gas occupies the entire volume in a vessel.

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Assuming we’re not freezing the water into ice, the specific heat capacity of water is 4.2 J/g°C.

78* 30°C = 2340g°C

4.2J/g°C * 2340°C = 9828Joules or98.2 kJ.

The heat of vaporization for water at its boiling point of 100 oC is 2260 J g-1. This means that 2260 J of heat must be absorbed by the water in order for it to change from 1 g of water at 100 oC to 1 g of steam at 100 oC.

The amount of heat released or absorbed during a reaction that takes place under constant pressure is referred to as the enthalpy change. It has the sign H, which can be interpreted as "delta H."

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The  A = B = 0.094 M.

In chemistry, attention is the abundance of a constituent divided by means of the total extent of an aggregate. several types of mathematical description can be distinguished: mass concentration, molar awareness, number awareness, and quantity attention.

The act or process of concentrating the state of being focused. particularly the direction of attention to an object. All that noise is annoying my concentration and academic importance or location of focus within a first-rate.

The concentration of the answer tells you ways plenty of solutes have been dissolved within the solvent. as an example, in case you upload one teaspoon to two cups of water, the concentration might be reported as 1 t salt in keeping with 2 c water. The vinegar label will file that the solution is 5% by means of the weight of acetic acid.

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Temperature change affects the rate of a chemical reaction by changing the speed of the colliding particle.

In chemistry the rate of reaction is defined as the speed at which a chemical reaction proceeds. It is more often expressed in terms of either the concentration (amount per unit volume) of a product that is formed in a unit of time or the concentration of a reactant that is consumed in a unit of time.

The rate of the reaction can be affected by several factors which includes concentration, temperature, surface area and presence of a catalyst. Increasing concentration increases the number of effective collisions as concentration is directly proportional to effective collisions. Increasing temperature increases the kinetic energy of the particles, leading to more effective collisions which implies that temperature is directly proportional to effective collisions.

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Esters are transformed into tertiary alcohols using a Grignard reagent reaction. A ketone is produced when one mole of Grignard reagent is added to the carbon-oxygen double bond, creating an unstable intermediate.

A potent nucleophile is the Grignard reagent. When it interacts with an ester, it goes through a nucleophilic addition process that results in ketone, which, when added to another substance, becomes tertiary alcohol.

Following acid hydrolysis and a reaction with the Grignard reagent, ketone and ester produce tertiary alcohol.

Tertiary alcohols esterify at a significantly slower pace than primary or secondary alcohols. Thus, tertiary alcohols as well as primary and secondary alcohols may be separated from mixtures by direct esterification with boric acid.

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The volume % of the 66.7 mL ethanol in the 222.2 mL of water solution is 30.0 %.

Given,

Volume of the solute = 66.7 mL

Volume of the solution = 222.2 mL

By using the volume % formula determine the volume % of ethanol, the percent by volume  expression is given as follows,

Volume % = (volume of solute / volume of solution ) × 100 %

Volume % = (66.7 / 222.2 ) × 100 %

Volume % = 0.300  × 100 %

Volume %  = 30 .0 %

( V / V ) % = 30.0 %

Thus, the percent by volume of ethanol is 30.0 %.

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Option (B) closer to the end where HCl was introduced is correct because, according to Graham's Law of Diffusion, The Rate of diffusion is indirectly proportional to 1/√(Molar. mass).

The ammonium chloride (NH₄Cl) will form primarily in the middle of the glass tube, where the two gases (NH₃ and HCl) are first able to react with one another. This is because the gases travel through the tube at different velocities, so the reaction will occur where the gases first meet.

As the reaction progresses, the ammonium chloride will continue to form until the reaction is complete and the tube is filled with the solid product.

The reaction of the two gases is reversible, meaning that the NH₄Cl can also break down back into NH₃ and HCl. However, as the gases continue to travel through the tube, the reaction rate of the NH₄Cl breaking down is much slower than the rate at which it is formed.

Therefore, the majority of the ammonium chloride will form in the middle of the tube where HCl is introduced.

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The heat energy is needed to raise the temperature of 2.11 kgof this oil from 23 °C to 191 °C is 637,980 Joules

What is Heat Energy?

Most of us use the word "heat" to describe anything that feels warm, but according to science, heat is the movement of energy from a warm object to a cooler one. Based on this, heat is divided into two categories: hot and cold.

We encounter heat energy everywhere, including in icebergs, volcanoes, and our own bodies. There is heat energy in all matter.

Heat energy is the only thing that results from the movement of tiny particles known as atoms, molecules, or ions in liquids, solids, and gases. One substance can absorb heat energy from another, and the flow caused by a temperature difference between two objects is referred to as heat.

Q = cMΔT

where Q is the amount of heat energy required to change the material's temperature (in Joules)

You must convert from kilogrammes since M is mass (in grammes).

c = the material's specific heat constant [in grammes per degree Celsius]

T stands for temperature change (in oC)

Q is equal to

(1.75 x 2.17 x 1000) (191 - 23)

= (1.75 x 2170 x 168)

= 637,980 Joules.

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The density of the magnetite sample would be 5.2g/cm^3.

A body's density is defined as its mass per unit volume. Density is a measurement that compares the amount of matter (denseness) a body has to its volume. It is the degree of consistency of a body measured by the quantity of mass per unit volume. It is the relationship between the mass of the substance or body and the amount of space it takes up. An object with much matter in a certain volume will have a high density.

Density = mass/volume

From the question;

mass = 42g

volume = 8.1cm^3

Density = 42/8.1

Density = 5.2g/cm^3

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The more polar chemicals are absorbed more strongly because the adsorbents are polar. As a result, non-polar substances are eluted first.

The substance that elutes first has a lower charge. The ions we wanted to separate would have opposite charges in the stationary phase.

A stationary phase, often referred to as a sorbent or an adsorbent, is used in column chromatography and is typically packed in a glass column. Typical stationary phase materials include alumina and silica gel.

Large molecules are barred from all pores, thus they elute first, but small molecules can penetrate the entire intraparticular pore area and so elute last.

Highly charged cations elute first in an order that corresponds to their electrophoretic mobilities.

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The quantity of heat that must be added to 1755 grams of liquid water at 100°C to completely vaporize is 3.976 * 10³ kJ of heat.

The amount of heat required to completely vaporize 1775 grams of liquid water at 100°C is calculated below as follows:

Heat required = mass * latent heat of vap[orization of water

The latent heat of vaporization of water is the amount required to vaporize a unit mass of water at its boiling point.

The latent heat of vaporization of water is 2240 J/g.

Heat required = 1775 g * 2240 J/g

Heat required = 3.976 * 10³ kJ

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Given below is an essay on Yuan T. Lee.

Yuan T. Lee, whose full name is Yuan Tseh Lee, was born in Hsin-chu, Taiwan, on November 29, 1936. He is a Taiwanese-American chemist who shared the 1986 Nobel Prize in Chemistry with Dudley R. Herschbach and John C. Polanyi for his contributions to the study of chemical-reaction kinetics.

Lee completed his education at the University of California, Berkeley and in Taiwan (Ph.D., 1965). After completing postdoctoral studies at Harvard and Berkeley, he taught at the University of Chicago from 1968 until 1974. He relocated from Chicago to Berkeley after becoming a citizen in 1974, where he continued his research.

As a postdoctoral researcher, Lee experimented with and improved Herschbach's invention of the "crossed molecular beam technique," which brings together beams of molecules at supersonic speeds under controlled circumstances to enable close observation of the events that take place during chemical reactions. This method is derived from elementary particle physics. In order to further develop Herschbach's method, Lee used mass spectroscopy. This allowed him to recognize the byproducts of the reactions between oxygen and fluorine atoms and intricate organic molecules.

References:

https://www.britannica.com/biography/Yuan-T-Lee

https://www.infoplease.com/biographies/science-technology/yuan-t-lee

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According to ideal gas equation and mole concept, 9.656 g of BrCl is present in the reaction mixture at equilibrium.

The ideal gas equation is a equation which is applicable in a hypothetical state of an ideal gas.It is a combination of Boyle's law, Charle's law,Avogadro's law and Gay-Lussac's law . It is given as, PV=nRT where R= gas constant whose value is 8.314.The law has several limitations.

Substituting the given values in the ideal as equation, n=PV/RT

∴n=1×190/8.314×273=0.083 moles

mass is calculated as number of moles×molar mass

mass=0.083×115.357= 9.656 g

Thus, 9.656 g of BrCl is present in reaction mixture at equilibrium.

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The relative atomic mass for pivotium is 417.9 amu. The ratio of the average mass of atoms of a chemical element in a particular sample to the atomic mass constant is known as relative atomic mass.

Multiply the mass by the % written as a decimal and add the result.

426X0,11 + 417X 0.89 = 417.99 or 418

check 90% is. 417 only 10% 426

417X.9 +(426X0.10)=417.9

The ratio of the average mass of atoms of a chemical element in a particular sample to the atomic mass constant is known as relative atomic mass (symbol: Ar; sometimes abbreviated RAM or r.a.m. ), also known by the deprecated synonym atomic weight.

While absolute mass is the total mass of the protons and neutrons, relative mass is the average atomic mass of all the isotopes present as a percentage. For instance, the average atomic mass of carbon based on the fraction of C-12, C-13, and C-14 isotopes is 12.01 but the absolute mass of carbon is 12.0 amu.

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The electron-group arrangement around a central atom is defined by the number of valence electron groups . The molecular shape is defined by the relative positions of the atoms around the central atom

The electrons present around the atom in the outer most shell are called as valence electrons.  so, the electron group arrangement around the central atom is known as the valence electron groups. the two species may have the same electron group arrangement but have the different molecular arrangement. the molecular shape is depends upon the position of the atoms.

Thus, molecular shape is the position of the atoms that are around the central atom.

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CH4 + 2O2 → CO2 + 2H2O (Balanced equation)

Water will condense to liquid form at normal temperature.

One mole of oxygen is created when one mole of methane combines with two moles of oxygen.

7.5 moles of methane will react with 20 moles of oxygen to form 7.5 moles of carbon dioxide.

Hence, the resulting mixture will contain 7.5 moles of unreacted methane and 7.5 moles of carbon dioxide.

The total volume of the mixture will be 20 moles.

How many moles of oxygen are needed for the methane ch4 combustion reaction?

For full burning, 1 mole of methane needs 2 moles of oxygen.

What reaction is CH4 2O2 → CO2 2H2O?

Incomplete combustion

CH4 + 2O2 → CO2 + 2H2O

Incomplete combustion – carbon monoxide and water.

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Increase the frequency of the light , is the observation.

What is frequency?

Frequency in physics refers to both the number of cycles or vibrations that a body in periodic motion experiences in a unit of time as well as the number of waves that pass a specific place in a unit of time. A body in periodic motion is considered to have experienced one cycle or one vibration after passing through a series of conditions or locations and then returning to its starting position. See also angular velocity and fundamental harmonic motion.

If one cycle or vibration takes half a second to complete, the frequency is two per second; if it takes one hundredth of an hour, it is one hundred per hour.

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Research design, Models of animal, Animal experimentation and other become would be the most reliable resource.

It is commonly make use in daily life and it is remain as important place among the people and other industries.,

They have ability to move forward and provide winning support for the major people in a fine manner.

I believe that the most reliable resource would be to visit a local animal hospital.

Since it is an experimental veterinary procedure, you won't find much information in books or online. And contacting the local society for veterinarians may not yield results.

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Plumes are thought to rise when the mantle's base grows hotter and more buoyant. Plumes are thought to ascend through the mantle and partially melt when they reach shallow depths in the asthenosphere due to decompression melting. This would result in massive amounts of magma.

A mantle plume is a region under the Earth's hard crust where magma is hotter than surrounding magma. The heat from this extremely hot magma melts and thins the hard crust, resulting in extensive volcanic activity on Earth's surface above the plume.

A hot narrow buoyant upwelling that rises from deep inside the mantle and is often related to thermal instability in a tiny layer near the core-mantle boundary.

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Answer: The Na+/K+ ATPase

Explanation: Located on the basolateral aspect of tubule cells, renal Na-K-ATPase plays a key role in the active translocation of Na and K across this membrane as well as in the "secondary active" transport of a number of other solutes.

I would not want to sell a cold pack made with compound because a substance that instantly cools the water temperature should be used in a cold pack otherwise, the cold pack is useless.

Describe temperature?

Temperature is described as the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius.

Taking into account the factors given in the scenario, a considerable amount of compound X is dissolved in a relatively small volume of water, the water turns red, and the temperature remains the same for 10 minutes, which is a long time for the function it is intended for.

Cold packs are used to cool the body's areas and alleviate pain by placing the relatively very cold pack onto the object or area to be cooled. So therefore, a substance that instantly cools the water temperature should be used in a cold pack; otherwise, the cold pack is useless. Thus, we would not sell a cold pack with compound X as the active ingredient.

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Answer: The answer is D

Explanation: Ionic bonds transferred to metals to nonmetals.

While covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.

Higher temperatures and lower pressures produce optimum gas behaviour. Because of the gas's intermolecular interactions, potential energy becomes significantly lower than kinetic energy under these circumstances.

What is potential energy?

Potential energy is a form of energy that is stored but is dependent on the relative positions of different system components. Stretching or compressing a spring increases its potential energy. A steel ball has more potential energy when it is raised above the surface of the earth than when it is brought to Earth.

Any object that is raised from rest has energy that can be released at a later time; for this reason, it is referred to as potential energy.

Therefore, Higher temperatures and lower pressures produce optimum gas behaviour.

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