For the balanced equation shown below,

2N₂O5 → 4NO2 + O₂

how many moles of NO2 will react with 0.8861 moles of N₂O5?​

Answer:

electrically positive protons and electrically neutral neutrons.

Explanation:

Atomic nuclei consist of electrically positive protons and electrically neutral neutrons. These are held together by the strongest known fundamental force, called the strong force. The nucleus makes up much less than . 01% of the volume of the atom, but typically contains more than 99.9% of the mass of the atom.

Answer;

Protons and Neutrons

Explanation;

Well, a nucleus consists of protons and neutrons, soo these are the particles

hence Neutrons and Protons.

The acceleration of the objection is 0.9375 m/s² if the players still push with a force of 150 N.

From the formula:

F = ma

a = F/m

a = 150/160

a = 0.9375 m/s²

Thus, the acceleration of the object is 0.9375 m/s² if the players still push with a force of 150 N.

The word 'force' has a very precise meaning. Force can be described as push or a pull. A force is not something that an object contains or has in it. A force is exerted on one object by another. The idea of a force is not confined to living things or non-living things.

The SI unit of force is the newton, symbolised as N. The base units suitable to force are: metre, unit of length — symbol m. The kilogram, unit of mass — symbol kg. The second, unit of time — symbol s.

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The acceleration of the objection is 0.9375 m/s² if the players still push with a force of 150 N.

The word 'force' has a very precise meaning. Force can be described as push or a pull. A force is not something that an object contains or has in it. A force is exerted on one object by another. The idea of a force is not confined to living things or non-living things.

From the formula:

F = ma

a = F/m

a = 150/160

a = 0.9375 m/s²

Thus, the acceleration of the object is 0.9375 m/s² if the players still push with a force of 150 N.

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Transform something quickly: Using the molecular mass finder and the number of moles of CuSO4, 1 mole of Copper(II) sulphate equals 159.6086 gram.

1 mole in grams, how much?

Theoretically, the Carbon-12 atom has this atomic mass   As a result, a mole of carbon is exactly equivalent to a gram of carbon, or its atomic mass or weight (12 grams). It is known as a 1 molecular (1M) solution when a substance is dissolved in 1 liter of liquid (1mol/L), a 0.5 molecular (0.5M) solution when it is dissolved in 2 liters of liquid (0.5mol/L), and so on.

What is 1 mole's molarity?

A solution that contains 1 mole of a substance dissolved in a volume of 1 litre is known as a 1 molar solution. For instance: One mole (or one gram) of table salt (NaCl) has a molecular weight of 58.44, making 58.44g the molecular mass of one gram. The number of molecules per liter, denoted by the unit signature mol/L or mol/dm3 for SI units, is the most often used unit denoting molarity in chemistry. One mol/L of a solution's concentration is referred to as one molar, or 1 M.

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Answer:

Conduction: Heat traveling through a solid material. On hot days, heat is conducted into your home through the roof, walls, and windows.

Explanation:

That's a quick answer from gooogle, i hope this helps you :D

Answer:

Heat transfers through solid materials via conduction. The roof, walls, and windows of your house all carry heat on hot days.

Explanation:

A link between hydrogen and sulfur is created by sharing the one electron that hydrogen possesses. In its association with sulfur, there isn't another atom. In order to complete the octet, the sulfur atom has a .

Methane, widely known as natural gas, has a healthy substitute in hydrogen. According to estimates, it makes about 75% of the universe's mass and is the most prevalent chemical element. Huge quantities of hydrogen atoms are present on earth in water, plants, animals, and, of course, people.

The sun and the majority of stars include it, while Jupiter is primarily made of it. The most prevalent form of hydrogen on Earth is water. Just under 1 part per million by volume, it only exists as a gas in trace concentrations in the atmosphere.

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No, particles of different masses do not have the same average speed at a given temperature.

Temperature is a measure of the average kinetic energy of the particles. Since particles of different masses have different amounts of kinetic energy due to their different masses, they will have different average speeds.

This means that particles of different masses do not have the same average speed at a given temperature. The higher the mass of the particle, the lower the average speed at the same temperature.

This is because when the mass of the particle increases, the amount of kinetic energy also increases, resulting in a slower average speed. On the other hand, particles with a lower mass will have a higher average speed at the same temperature because they have less kinetic energy.

This is why particles of different masses do not have the same average speed at a given temperature.

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The number of Nitrogen molecules required to make 2 * 10^10 molecules of Ammonia is 3 * 10^10. Hence, the correct option is option A.

We are already aware of the simple molecular reaction between hydrogen, nitrogen which produces ammonia which goes as thus -

= N₂+3H₂ = 2NH₃

This molecular reaction tells us that one mole of nitrogen reacts with three moles of hydrogen in order to create two moles of ammonia.

Here, it is given that we have 2 * 10^10 molecules of Ammonia (NH₃).

We also know the formula = No. of atoms/ Avogadro Number = No. of moles

Hence, we can write that -

= No. of atoms of Nitrogen/ 6.022 * 10^23 = 2(2 * 10^10/6.022 * 10^23)

= No. of atoms of Nitrogen/ 6.022 * 10^23 = 0.6 * 10^-13

=  No. of atoms of Nitrogen =  0.6 * 10^-13 * 6.022 * 10^23

= No. of atoms of Nitrogen = 3.6 * 10^10 atoms

This can be rounded off to 3 * 10^10. Hence, option A is the correct option.

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Answer:

# of neutrons

Explanation:

its how isotope is defined

Lewis dot structure is given in photo .

What is lewis dot structure ?

A Lewis point structure is a type of diagram used to show the distribution of electrons within a molecule or ion. This structure was first introduced in 1916 by chemist Gilbert N. Lewis. The structure consists of dots representing electrons surrounding the chemical symbols of the atoms in the molecule, indicating the number of bonds each atom can form. The dots are placed in pairs around the element symbol and represent the valence electrons (the electrons at the outermost energy level) of that element. The number of valence electrons of an element can be obtained from the periodic table.

Lewis point structures are used to predict the number and type of bonds that form between atoms in a molecule and to predict the shape of the molecule. By connecting the points of different elements in a molecule, the lewis structure can be used to determine the bond order, or the number of bonds between two atoms. Information about bond order, combined with the arrangement of atoms in space, can be used to determine the molecular structure of a molecule.

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Answer:

true

Explanation:

Particle pollution — also called particulate matter (PM) — is made up of particles (tiny pieces) of solids or liquids that are in the air. These particles may include: Dust; Dirt; Soot; Smoke;

The antibiotic mycomycin has seven sp3, sp2, and sp hybridized carbons in its structure. There are a total of seven hybridized carbons in the molecule.

The antibiotic mycomycin is a type of polyketide antibiotic produced by the bacterium Streptomyces mycomyceticus. It is used to treat various infections, including those caused by bacterial parasites, fungi, and protozoa. Mycomycin works by inhibiting the formation of bacterial cell walls, leading to the death of the infected cells. It is effective against a wide range of bacteria, including Gram-positive and Gram-negative bacteria, as well as some fungal species.

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Resonance structures of cycloserine can be produced with the help of rotating arrows, produced with a carbocation in step 1 and the resultant resonance structure in step 2 after the double faced arrow.

An antibiotic called cycloserine was discovered in the bacterium Streptomyces orchidaceous. When treating tuberculosis, it is used with other medications. To depict the motion of the electrons in the "original" resonance structure, use curved arrows. By following the arrows, the "new" resonance structure should be a "product" that is automatically created. It will have two resonance structures as depicted in the image attached. Carbocation produced is the step 1 and the resultant compound is the step 2 in the image.

Resonance structures are collections of Lewis structures that explain how the electrons in a polyatomic ion or molecule become delocalized. Because molecules and polyatomic ions frequently have partial charges and fractional bonds, a single Lewis structure frequently falls short of explaining the bonding in a molecule or polyatomic ion.

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Answer:

Explanation:

Sound energy: Crowd cheering

Chemical energy: Body converts nutrients into energy to run

Mechanical energy: The camera filming the photo

The volume of water must you add have ready to add your acid to (in mL) to prepare a solution with a nitric acid molar concentration of 2.895 M and a volume of 602.244 mL is 487.02 mL

The dilution formula is used to determine the concentration and volume of reagents in a dilution process of acids, bases, or any other solution.

The dilution formula is:

C₁V₁ = C₂V₂

where;

C₁ is the initial concentration

V₁ is the initial volume

C₂ is the final concentration

V₂ is the final volume

Using the dilution formula:

V₁ = C₂V₂/C₁

V₁ = 602.44 * 2.895 / 15.110

V₁ = 115.42 mL

The volume of water needed = 602.44 - 115.42 mL

The volume of water needed = 487.02 mL

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According to the bohr model of the atom, the single electron of a hydrogen atom circles the nucleus is specific allowed orbits.

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The mass of liquid oxygen needed to burn 134.8 g of B2H6 is 84.41 mL LOX.

Liquid oxygen is a form of oxygen in its liquid state. It is a colorless, odorless, and highly reactive substance that is composed of two oxygen atoms bonded together. It can be made by cooling oxygen gas in a cryogenic process to temperatures below -297°F (-183°C).

The combustion reaction of diborane requires 3 moles of oxygen for every 1 mole of diborane, so the mass of oxygen required to burn 134.8 g of B2H6 (1 mole) is:
3 moles of O₂ x (32.00 g/mol O₂) = 96.00 g of O₂
Since liquid oxygen (LOX) has a density of 1.141 g/mL, the mass of liquid oxygen needed to burn 134.8 g of B2H6 is:
96.00 g O₂ ÷ 1.141 g/mL = 84.41 mL LOX

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Jill combines two different sorts of HCl (hydrochloric acid) concentrations: 0. 375 liters of 25% and 0. 625 liters of 65%. The mixed solution will have an HCl concentration of 1L of 50% HCl.

In this case, we're interested in learning the concentration of HCl as a proportion of the total amount.

First off, the combined volume is 0.375 + 0.625 = 1 L.

The percentage can be calculated as follows:

37.5% of the required 25% is present.

while 62.5% of the 75% are in presence

When we talk about the percentage present, we're talking about the 1 total liter that is there.

Consequently, the final mixture's concentration will be;

(37.5% of 25) + (62.5% of 65)

= 9.375% + 40.625%

50% is obtained by adding both.

Therefore, the concentration is 1L of 50% HCl.

Your question is incomplete but most probably your full question was

Jill mixes two types of concentrations od hci (hydrochloric acid) 0.375 liters of 25% hydrochloric acid and 0.625 liters of 65% hydrochloric acid. what is the hcl concentration in the mixed solution?

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Covalent bonds are frequently created between the non-metals. These bonds are produced when the atoms are linked electrons. Knowing the number of covalent bonds that exist between any two atoms.

On the exterior of the nucleus, the negative charge particles termed as electrons spin. They spin so swiftly that it can be hard for scientists to keep up with them. The tiniest particle in an atom are drawn towards the metal cation of the protons; 2000 of them can fit within one proton.

The electron, the smallest constituent part of an atom, has a negatively charged. The quantity of protons and electrons in an atom is equal.

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Answer: part 1 of 2

1. The amount required of H₂ = 11.0 g.

2. The amount required of O₂ = 88.0 g.

Explanation:

The balanced equation for the mentioned reaction is:

2H₂(g) + O₂(g) → 2H₂O,

It is clear that 2.0 moles of H₂ react with 1.0 mole of O₂ to produce 2.0 moles of H₂O.

Q1: How much hydrogen would be required to produce 5.5 mol of water?

Using cross multiplication:

2.0 mol of H₂ produce → 2.0 mol of H₂O, from stichiometry.

??? mol of H₂ produce → 5.5 mol of H₂O.

∴ the no. of moles of H₂ needed to produce 5.5 mol of water = (2.0 mol)(5.5 mol)/(2.0 mol) = 5.5 mol.

Now, we can get the mass of H₂ needed to to produce 5.5 mol of water:

mass of H₂ = (no. of moles)(molar mass) = (5.5 mol)(2.0 g/mol) = 11.0 g.

Q2: How much oxygen would be required?

Using cross multiplication:

1.0 mol of O₂ produce → 2.0 mol of H₂O, from stichiometry.

??? mol of O₂ produce → 5.5 mol of H₂O.

∴ the no. of moles of O₂ needed to produce 5.5 mol of water = (1.0 mol)(5.5 mol)/(2.0 mol) = 2.75 mol.

Now, we can get the mass of O₂ needed to to produce 5.5 mol of water:

mass of O₂ = (no. of moles)(molar mass) = (2.75 mol)(32.0 g/mol) = 88.0 g.

The molality of the solution is 3.125 m.

Let us recall that the boiling point of the solution is one of the colligative properties and the implication of this is that it depends on the amount of the substance that we can find in the solution.

Note that;

ΔT = K m i

ΔT =  Boiling point elevation

K = boiling constant

m = molality

i = Vant Hoff factor

Then;

ΔT = 101.6 - 100.0

= 1.6°C

Thus;

1.6 = 0.512 * m * 1

m = 1.6/0.512

m = 3.125 m

Thus the molality is 3.125 m

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In 1 angle AOD is an obtuse angle and is 110°  and angle GOD is an acute angle and it is 70°.

90 degrees is the standard for a right angle. Any angle that is less than 90 degrees is called acute, and any angle that is larger than the 90 degrees is called obtuse.

Follow the instructions below to use a protractor to measure an angle. Align the angle's vertex with the protractor's dot in the center. Set the protractor such that one angle's side is parallel to 0 degrees. Find the point where the angle's opposite side crosses the number scale by reading the protractor.

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An example of the bimolecular elimination from the isomeric halogenated compound would be of Dehalogenation of 1,2-dibromoethane to form ethene and hydrogen bromide: H3C-CH2-Br2 --> H2C=CH2 + HBr.

Bimolecular elimination is a chemical reaction where two molecules react to form a new molecule and a neutral molecule. Isomeric halogenated compounds are compounds that have the same molecular formula but different structural arrangements.

For example, 1,2-dibromoethane and 1-bromo-2-chloroethane are isomers. Bimolecular elimination of these compounds can produce ethene and hydrogen halide (HBr or HCl) as the products. The specific product will depend on the isomeric halogenated compound and the reaction conditions.

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It is equal to the total mass of carbon dioxide and water used" as the substrates (CO2 and H2O) are just merely converted to the products (C6H12O6 and O2) with no mass being consumed or used as fuel for the reaction. In this reaction, energy is well conserved. The correct option is B

Photosynthesis can be defined as the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Therefore the primary function of photosynthesis is to convert solar energy into chemical energy and then store that chemical energy for future use.

The balanced equation of photosynthesis is: 6CO2 + 6H2O + light energy = C6H12O6 + 6O2.

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Air Temperature is the manipulated variable for the global warming.

Explain about global warming?

Global warming is the long-term warming of the planet due to human activities, such as burning fossil fuels and deforestation, which release greenhouse gases into the atmosphere. These gases trap heat from the sun, raising the Earth’s average temperature. Global warming is causing sea levels to rise, glaciers and Arctic ice to melt, and more extreme weather events, such as heat waves, droughts, floods, and hurricanes. In addition, global warming is affecting ecosystems and biodiversity, as species struggle to adapt to the changing climate. To address global warming, we must reduce our greenhouse gas emissions and transition to renewable energy sources.

The manipulated variable for the global warming experiment is Air Temperature. This is because Iker is measuring the air temperature on the half of the building with the rooftop garden and the half of the building without the garden in order to compare the difference in air temperature between the two locations.

Therefore, option a Air Temperature is the correct answer.

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The amount of phosphoric acid that can be formed from 36.4 grams of sulfuric acid would be 24.50 grams.

Phosphoric acid can be formed from sulfuric acid when the acid is reacted with calcium phosphate according to the following balanced equation:

[tex]Ca_3(PO_4)_2 + 3H_2SO_4 -- > 3CaSO_4 + 2H_3PO_4[/tex]

From the equation of the reaction, the mole ratio of sulfuric acid to phosphoric acid is 3:2.

The equivalent mole of 36.4 grams of sulfuric acid would be:

Mole = mass/molar mass

       = 36.4/98

      = 0.37 mol

From the mole ratio, the mole of phosphoric acid formed would be:

2/3 x 0.37 = 0.25 mol

Mass of 0.25 mol phosphoric acid = 0.25 x 98 = 24.50 grams

In other words, the amount of phosphoric acid that would be formed from 36.4 grams of sulfuric acid will be 24.50 grams.

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The number of objects in one mole of something is determined by Avogadro's constant.

Avogadro is known for his contributions to science related to Avogadro's Law, which is a law that states the relationship between the volume of a gas and the number of molecules.

The results of his research were published in 1811 in the Journal de Physique De Lamétherie, de Chimie et d'Histoire naturelle.

In addition, Avogadro also succeeded in formulating the Molecular Theory, which stated that particles could be composed of molecules, where these molecules could be composed of simpler units or atoms.

For this service, the world of science today knows the name Avogadro's Number or Constant = 6.022 × 10²³

This number or constant is used to express the number of particles in one mole of a substance.

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The origin of replication (ORI) is a specific location on a DNA molecule where replication, the process of duplicating the DNA, begins.

The ORI is a unique sequence of nucleotides that serves as a starting point for the replication machinery. The ORI is where the replication enzymes bind, helicases, premises, and polymerases that unwind initiate, and elongate the replication process.

In prokaryotes, the ORI is often a specific sequence known as the replication origin sequence (oriC), which is conserved among different bacterial species. In eukaryotic cells, replication origins are dispersed throughout the chromosomes, and the exact location and mechanism of initiation are still not completely understood.

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1. Calcium has an atomic number of 20 and phosphorus has an atomic number of 15, while radium has an atomic number of 88. This can be used to determine which element was most likely deposited in the workers' bones in place of calcium.

2. Calcium. This is because calcium is an element with an atomic number of 20, meaning it has 20 protons in its nucleus. It is also found in abundance both in the human body and in many foods, making it easy to obtain and store in the body.

Characteristics of Calcium Ions:

- Has a charge of +2

- Located in column 2 of the periodic table

- Atomic number of 20

Reasons it could be Phosphorus:

- Has a charge of +3

- Located in column 3 of the periodic table

- Atomic number of 15

Reasons it couldn't be Phosphorus:

- Has a higher charge than calcium

- Has a different atomic number than calcium

Reasons it could be Radium:

- Has a charge of +2

- Located in column 7 of the periodic table

- Atomic number of 88

Reasons it couldn't be Radium:

- Has a different atomic number than calcium

- Is located in a far different column than calcium on the periodic table

Conclusion
Based on the evidence, it is likely that the source of the poisoning was radium, and from a chemistry perspective, the shop owners were responsible for exposing the workers to this element and, as such, are responsible for their illnesses.

Yellow color  represent  590 nm.

The atoms in a cold, diluted gas absorb light at particular frequencies, producing an absorption spectrum. Black lines (absence of light) are produced in the spectrum because the re-emitted light is unlikely to travel in the same direction as the absorbed photon.

When switching between two states, an atom, ion, or molecule absorbs photons with energies equal to the difference in the energies of the two states. The outcome is an absorbance spectrum showing the intensity of emission as a function of wavelength.

There are two types of absorption processes: chemical and physical, depending on whether the solute and solvent undergo a chemical reaction.

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