Under an O2(g) pressure of 1.00 atm, 28.31 mL of O2(g) dissolves in 1.00 L H2O at 25 °C. What will be the molarity of O2 in the saturated solution at 25 °C when the O2 pressure is 4.47 atm? Assume that the solution volume remains at 1.00 L.

The reaction as described is an addition reaction in which a saturated product is obtained.

The information we have from the question is that; the starting material is a 6 membered ring with an internal alkene between carbons 1 and 2. The product is a six membered ring with a bond to X on carbon 1 and a bond to Y on carbon 2.

We  know that an addition reaction is one in which a molecule is added across the double bond to yield  a saturated product. The reaction A described has to do with he addition of a molecule XY to a six member alkene to obtain the saturated product as described.

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——Industrial waste——— should be treated chemically before deposing it to rivers. ​

=》The waste from factories & industries are highly acidic/base. This leads to the increase/decrease of the pH value of water in the rivers making it contaminated & unfit for drinking. This also causes a huge problem for aquatic organisms.

=》Industrial waste should be neutralized before depositing it into water bodies to reduce these risks.

_______

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Answer: Industrial waste

Explanation:

Answer:

-55°C

Explanation:

Bwcause 38°C is gonna make it colder so thats why you should use that.

Answer:

You have to write the full question

Explanation:

Fusion processes require fuel and a confined environment with sufficient temperature, pressure, and confinement time to create a plasma in which fusion can occur. The combination of these figures that results in a power-producing system is known as the Lawson criterion. In stars, the most common fuel is hydrogen, and gravity provides extremely long confinement times that reach the conditions needed for fusion energy production. Proposed fusion reactors generally use hydrogen isotopes such as deuterium and tritium (and especially a mixture of the two), which react more easily than hydrogen to allow them to reach the Lawson criterion requirements with less extreme conditions. Most designs aim to heat their fuel to around 100 million degrees, which presents a major challenge in producing a successful design.

As a source of power, nuclear fusion is expected to have many advantages over fission. These include reduced radioactivity in operation and little high-level nuclear waste, ample fuel supplies, and increased safety. However, the necessary combination of temperature, pressure, and duration has proven to be difficult to produce in a practical and economical manner. Research into fusion reactors began in the 1940s, but to date, no design has produced more fusion power output than the electrical power input.[1] A second issue that affects common reactions is managing neutrons that are released during the reaction, which over time degrade many common materials used within the reaction chamber.

Fusion researchers have investigated various confinement concepts. The early emphasis was on three main systems: z-pinch, stellarator, and magnetic mirror. The current leading designs are the tokamak and inertial confinement (ICF) by laser. Both designs are under research at very large scales, most notably the ITER tokamak in

Answer:

Before we can sketch the Lewis structures of molecules, we must first understand the octet rule. The octet rule asserts that when atoms combine to create compounds, electrons are gained, lost, or shared among them, resulting in a stable electron configuration defined by eight valence electrons as a result. These rules are used in conjunction with the main-group components of the second period.

Explanation:

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Answer:

Velocity is the speed in which the light is traveling

Explanation:

There are many factors that we can take into account when attempting to relate microscopic bonding properties to solid-state properties, for example, the rigid and immobile nature of solid states and their molecular bonds.

Solid-state properties are simply put, the properties we can observe and measure when studying an element in solid form. These solids have specific characteristics such as:

and so on, which although not initially obvious, are caused by the microscopic molecular bonds of their atoms.

The microscopic properties of solids are very similar to that of the solid-state properties. The atoms of a solid are very close together and strongly bonded to one another, because of this the atoms form a very rigid structure that resists changes to their shape or volume, much like the macroscopic properties of the solid. This serves to show how these properties may cause the solid-state effects we can observe normally.  

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Answer:

for better understanding and visual understanding

Answer:

Epoxy is the family of basic components or cured end products of epoxy resins.

Answer:

barium chloride (BaCl2) is added to sodium carbonate (Na2CO3). The result is a white precipitate.

Explanation:

Phenol can form hydrogen bonds with water since it contains O-H group but nitrobenzene can not form hydrogen bonds with water.

Polar molecules tend to be soluble in water. The greater the dipole moment, the greater the polarity of the compound. We can see that  Nitrobenzene has a dipole moment of 4.2 x 10-9 esu cm while phenol has a dipole moment of 1.7 x 10-8 esu cm.

Now, It is confusing to observe that the solubility of Nitrobenzene  in water is far less than that of phenol despite its higher dipole moment. The reason for this observation is that, phenol can form hydrogen bonds with water since it contains O-H group but nitrobenzene can not form hydrogen bonds with water.

Therefore, phenol is more soluble in pure water as a solvent compared to nitorbenzene.

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A chemist analyzes two samples. One sample contains 14 g of element X and 6.0 g of element

Answer:

30.8 percent quartz, 4.5 percent feldspar, 3.6 percent carbonate, <0.5 percent iron oxides, 60.9 percent clay minerals, 1 percent organic material, and 2 percent other materials.

Answer:

it is an endothermic reaction because the system takes energy from the surrounding.

Answer:

It is an endothermic reaction because the system takes energy from the surroundings.

Explanation:

I did the test.

Fats and oils are used throughout the world for both food applications and industrial uses. They are consumed in butter, shortening, margarine, salad oils, and cooking oils, as well as in animal feeds, fatty acids, soaps, personal care products, biodiesel, paints (made from alkyd resins), lubricants, and greases.

Answer:

last or second

Explanation:

report me if not correct

Answer:

Should be the second one

Explanation:

In comments

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The molecular formula of the compound is C12H15O3 hence the molar mass of the compound is 207 g/mol.

We need to obtain the number of moles of carbon, hydrogen and oxygen in the compound;

Carbon = 24.91 g/44g/mol × 1 mole of carbon = 0.566 moles

Mass of carbon =  0.566 moles × 12 g/mol = 6.792 g

Number of moles of hydrogen = 6.522 g/18 g/mol × 2 moles = 0.725 moles

Mass of hydrogen = 0.725 moles  × 1 g/mol = 0.725 g

Mass of oxygen = 10 - (6.792 g + 0.725 g) = 2.483 g

Number of moles of oxygen = 2.483 g/16 g/mol = 0.155 moles

Now we must divide through by the lowest number of moles;

C - 0.566/0.155   H - 0.725/0.155     O - 0.155/0.155

C - 4                    H - 5                        O - 1

The simplest formula is C4H5O Recall that the molar mass of the compound lies between 150.0 and 220.0 g/mol

4(12) + 5(1) + 16 = 69

Hence; n = 3 and the molecular formula of the compound is C12H15O3

The molar mass of the compound is; 12(12) + 15(1) + 3(16) = 207 g/mol

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I hope you feel better soon! :)

Explanation:

During the 1800s in England, relations police, which became composed of male volunteers, became organised to observe over the protection and protection in their relatives. As Britain's populace step by step expanded, so did the quantity of crimes tha…

During the 1800s in England, relations police, which became composed of male volunteers, became organised to observe the protection and protection of their relatives.

Protection is any measure taken to guard a thing against damage.

During the 1800s in England, relations police, which became composed of male volunteers, became organised to observe the protection and protection in their relatives.

As Britain's populace step by step expanded, so did the number of crimes that had been committed. This intended that regulation and order additionally needed to improve.

The New York City Police Department (NYPD) originates withinside the Government of New York City and tries to manipulate growing crime in early to mid-nineteenth century New York City.

This expanded crime became because of an expanding populace, brought about usually through negative Irish immigrants starting withinside the 1820s.

Whereas, as societies have become greater heterogeneous and complex, the function of the police is turning greater demanding. To fulfil this function, law enforcement officials want numerous broadly acknowledged competencies and private qualities, however much less is thought approximately how they're valued through police recruits.

Thus, we've tested the perspectives of police recruits in six European nations on 3 skills or traits of regarded significance for police work: knowledge, leadership, and the cap potential to shape precise family members with residents.

We have additionally explored versions in perspectives of recruits in distinct businesses and modifications of their perspectives for the duration of their schooling. For those purposes, we used survey facts accumulated withinside the RECPOL project.

Since the facts had been accumulated from distinct populations and at distinct times, the evaluation is primarily based totally on dimension invariance methodology, and one of the objectives became to spotlight the significance of rigorous appraisal of the pleasant and comparison of comparable survey facts the use of such methods.

The consequences display each variation and similarities in perspectives of recruits withinside the surveyed nations and modifications for the duration of schooling.

Police lifestyle seems to be an extensive factor, as greater objects withinside the carried out device can be validly utilized in comparisons of recruits in businesses with comparable policy traditions.

The consequences additionally confirmed exciting contrasts, e.g. new recruits in Sweden rated precise family members with residents greater surprisingly than recruits in businesses with a greater army history, however, this sample was modified for the duration of schooling, probably because of the effects of the recruitment process, schooling and lifestyle in the businesses.

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Answer:

For the reaction N2 + 3H2 2NH3 , the equilibrium expression may be written as K [ NH3 ]^2/ [ N2 ] [ H2 ]^3 .

Explanation:

Answer:

s K [ NH3 ]^2/ [ N2 ] [ H2 ]^3 .

Explanation:

because I know -_-

Answer:

A

Explanation:

K took the test

Astronomy subject areas contains questions that can be answered by science. Thus option A is correct.

The science deals with extraterrestrial objects and phenomena, that is everything in our universe beyond the atmosphere of our planet.

This science is more observational than experimental. Astronomy can be up two types such as observational astronomy and theoretical astronomy.

Now a day, the field of astronomy has been expanded enormously in different field of subjects like astrometry, planetary astronomy, astrophysics, astrobiology, astrochemistry, etc.

The field of astrophysics is used understand the nature of celestial objects and their physical processes involve in the formation and emission of radiation.

Other research application include the chemical composition of stars, study of nuclear reactions to know the details about the the radiation energy release from stars.

Thus, Option A is correct.

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Answer:

The reaction can take place only if energy is added.

Answer:

Micro means 0.000001. So 10,000 times larger than that is the Centi unit, which is 0.01

Explanation:

the chemicals are group 7 elements and one of their characteristics is that the melting and boiling point increase progressively

Answer:

alkanes

Alkynes have the strongest bond. Followed by alkenes and then alkanes. This is because in alkynes there are 3 bonds between at least two carbons

The complete oxidation of the monosaccharide shown will create a carboxylic acid.

Monosaccharides can be oxidized to carboxylic acids. Recall that monosaccharides have an aldehyde or ketone group at one end and a CH2OH group at the other end.

For the monosaccharide shown, oxidation may lead to the conversion of COH group  to acid (-COOH). This confirms the presence of -COH yielding the product C4H8O5.

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