a sample of mol of iron(iii) chloride, , was dissolved in water to give ml of solution. what is the molarity of the solution?

Answers

Answer 1

The given question is incomplete and the complete question is

A sample of 0.0606 mol of iron(III) chloride FeCl₃ was dissolved in water to give 35.4 mL of solution. What is the molarity  of the solution?

The molarity of the solution is 0.0017 mol/L

The molarity or concentration can be described by using the moles of the solute per liter of known aqueous solution and which is the volume the molarity also is designated as molar concentration

Here given data is

Iron(III) chloride = 0.0606 mol

Water means volume = 35.4 mL

We have to find molarity of the solution = ?

Molarity = moles of solute/volume of solution

Molarity =  0.0606 mol / 35.4 mL

Molarity = 0.0017 mol/L

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Related Questions

a 1 liter solution contains 0.335 m hydrocyanic acid and 0.446 m sodium cyanide. addition of 0.368 moles of potassium hydroxide will:

Answers

addition of potassium hydroxide slightly increases the pH .

What is buffer solution ?

A buffer is a solution that can withstand changes in pH due to the addition of acidic or basic components. It can neutralize small amounts of added acids or bases and keep the pH of the solution relatively stable. This is important for processes and reactions that require a specific and stable pH range. Buffers have a working pH range and capacity that determines how much acid/base they can neutralize before their pH changes, and how much they change. Both of the two components (conjugate acid and conjugate base) are present in significant amounts and can neutralize small amounts of other acids and bases (in the form of H3O+ and OH-), thus withstanding pH changes. increase. Added to the solution. To illustrate this effect, we can consider a simple example of a buffer made from hydrofluoric acid (HF) and sodium fluoride (NaF). Hydrofluoric acid is a weak acid due to the strong attraction between the relatively small F ions and solvated protons (H3O+), which prevents complete dissociation in water.

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A tree collects energy from the sun, carbon dioxide from the air, and nutrients and water from the soil. The tree also outputs oxygen and water. What type of system is this?.

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Trees and plants use the energy from the sun and the carbon dioxide in the air to create the food they need to survive and develop through a process called photosynthesis.

How does photosynthesis work?

In addition to plants that have chlorophyll, photosynthesis is a mechanism that uses sunlight to help plants produce food.

What happens during the photosynthesis process?

A process known as photosynthesis occurs when the chlorophyll on a plant's leaves absorbs sunlight and uses it to change carbon dioxide and water into oxygen, hydrogen (water), and glucose. This glucose can then be used by the plant again or stored in the fruit.

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Help me please before 11:59 tmr

Answers

A fuel like natural gas is burned by a lot of hot water heaters. Because combustion is an exothermic reaction, the fuel's burning causes the water to heat up.

What is an exothermic reaction?Exothermic simply means "emitting heat." As an exothermic process develops, energy, frequently in the form of heat, is released.Energy is continuously released during an exothermic reaction, frequently in the form of heat.When new bonds form in the products of some chemical reactions, known as endothermic reactions, less energy is released than is required to break bonds in the reactants.Exothermic reactions characterize all combustion processes. A substance burns as it reacts with oxygen during combustion, releasing energy in the form of heat and light.Chemical processes known as exothermic reactions generate heat. when heat is transferred from the system to the environment. Therefore, the H of reaction is negative for exothermic processes.Exothermic reactions are those in which heat is released through chemical processes. Examples include a candle burning and a strong acid reacting with water.

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11. The greenhouse effect is what allows structures like greenhouses to be much warmer than they otherwise would be by capturing sunlight, and not allowing it to
escape. A similar effect is happening to our planet because carbon dioxide is trapping the sun's heat close to the earth. Carbon dioxide is a byproduct of burning
fossil fuels. If we burn less fossil fuels in the future, what will be the most likely effect on carbon dioxide levels?
O A. Stay the same
OB. Increase
O C. Will fluctuate between increasing and decreasing
OD. Decrease

Answers

If we will burn less fossil fuels in the future, the carbon dioxide levels will eventually decrease.

What will be the most likely effect on carbon dioxide levels?

Significant amounts of carbon are released into the atmosphere as a result of the burning of fossil fuels and the use of limestone in concrete. As a result, the atmospheric concentration of carbon dioxide is growing substantially. This greenhouse gas (carbon dioxide) interacts with solar energy in the Earth's atmosphere leading to the greenhouse effect.

Greenhouse effect prevents excess heat from the planet's atmosphere that would otherwise escape to space, thus the greenhouse effect plays a significant role in maintaining the planet's temperature. Long-term emission reductions assist us in preventing catastrophic climate change.

Reducing the use of fossil fuels helps human health, environmental ecosystems, and even saves lives practically instantly. It is not merely a long-term investment to delay climate change

Thus, the correct answer is- decrease in the carbon dioxide level.

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A system that is absorbing 30 kj of heat and is doing 10 kj of work would have what value for δu?.

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value for δu is 20 kj when a system that is absorbing 30 kj of heat and is doing 10 kj  work done.

Data given that work done by the system and heat is absorbed by the system.

Therefore,

q=30 kj

w=−10kJ

Now from first law of thermodynamics,

ΔU=q+w

=ΔU=30+(−10)=20kJ

=Uf​−Ui​=6⇒Uf​=(Ui​+20)

δu=20 kj

First Law of Thermodynamics: The change in total internal energy of a particular system between two states is described by the first law of thermodynamics. The first law of thermodynamics states that when heat is introduced to a system or when work is done, the total internal energy will change.

A positive result when calculating work done indicates that the system releases energy into the environment while performing work. If the value is negative, the environment's work on the system has contributed energy to it.

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you have found that the hardness of a water sample is 0.00115 mol caco 3 per liter. what is this expresses as milligrams caco 3 per liter.

Answers

Mass of CaCO3 per liter =115.09 milligrams.

What is a milligram?

The metric system's abbreviation mg stands for milligram. The smallest unit of weight, the milligram, is used to quantify minuscule amounts, such as powdered compounds that will be utilized in a scientific experiment. A paper clip weighs about one gram, which is the metric system's accepted unit of weight.

Molar mass of CaCO₃ = 100·0869 g/mol

moles per liter = 0.00115 mol

Mass of CaCO₃per liter = moles x Molar mass

Mass of CaCO₃ per liter = 0.00115 x 100·0869

Mass of CaCO₃ per liter =  0·11 509grams

Mass of CaCO₃ per liter = 115.09 x 10⁻³ grams

10⁻³g = 1 milligram

Mass of CaCO₃ per liter =115.09 milligrams.

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pure potassium hydrogen phthalate (khp) is used for the standardization of the naoh solution. suppose the khp is only 90% pure. will the reported molarity of the naoh be too high, too low, unaffected? explain why.

Answers

the reported molar concentration of the sodium hydroxide solution will be too high when is used for the standardization of the naoh solution.

The term "standardization" in scientific or analytical chemistry means the process of determining standards or concentrations of a particular substance.

One of the benefits of standardization, and the most important one, is that you get results with minimal error.

.A standard solution has an accurately known concentration and for this experiment sodium hydroxide was standardized with a primary standard acid, potassium hydrogen phthalate. A primary standard could be any pure chemical that can be used as the initiation of a quantitative analysis.

If the khp is only 90% pure, the real mass of the acid will be less than weighed doing less the real moles of potassium hydrogen phthalate. Thus, in titration, volume of NaOH will be less than real volume and reported molar concentration will be too high.

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What is Ecosistema Lentico?​

Answers

Hello..!

¿What is Ecosistema Lentico?

It is one that presents a closed structure and that its waters are permanently stagnant.

Are:

LakesLagoonsSwampsWetlands

Answer:

Lentic Ecosystem

Explanation:

What nitrogenous base would bond with cytosine in a complimentary strand of dna?.

Answers

Guanine bond with cytosine in a complimentary strand of DNA.

Nitrogenous bases, additionally called nucleobases, are nitrogenous compounds that shape an crucial part of the nucleotides. Nucleotides are constructing blocks of DNA and RNA that are composed of a sugar, nitrogenous base and a phosphate organization.

A fixed of five nitrogenous bases is used in the construction of nucleotides, which in flip increase the nucleic acids like DNA and RNA. These bases are crucially crucial because the sequencing of them in DNA and RNA is the manner records is stored.

Under ordinary conditions, the nitrogen-containing bases adenine (A) and thymine (T) pair together, and cytosine (C) and guanine (G) pair collectively. The binding of these base pairs paperwork the shape of DNA .

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Besides nylon, what other product is formed from the reaction of adipoyl chloride and 1,6-diaminohexane?.

Answers

Besides nylon, other product is formed from the reaction of adipoyl chloride and 1,6-diaminohexane is nylon6,6 polyamide

Nylon is the any numerous strong tough elastic synthetic polyamide material that are fashioned into fiber, filament, bristle or sheet and used especially in textile and plastics and a solution of adipoyl chloride in cyclohexane is poured on top an aqueous solution of 1,6 diamino hexane in a beaker and nylon 6,6 polyamide is formed at the interface of two immiscible liquids and is carefully drawn from the solution and placed on a glass rod

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You breathe out 5.67 x 10^23 molecules of carbon dioxide. How many grams of gas is this?

Answers

5.67 x 10²³ molecules of carbon dioxide contain 38.7g of gas.

What is carbon dioxide ?

One carbon atom is covalently doubly linked to two oxygen atoms in each of the molecules that make up carbon dioxide. At room temperature, it exists as a gas. In the atmosphere, carbon dioxide serves as a greenhouse gas because it absorbs infrared radiation despite being transparent to visible light.

Carbon dioxide is used as a refrigerant, in fire extinguishers, to blow coal, foam rubber and plastics, inflate life rafts and life jackets, blast coal, promote plant growth in greenhouses, immobilize animals before slaughter, and in carbonated drinks.

1 mole of ( 6.023 × 10²³ molecules ) of Co₂ is 44g

Then, 5.67 x 10²³ molecules of contain 38.7gm of gas

Thus, 5.67 x 10²³ molecules of Co₂ contain 38.7g.

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Which are associated with nuclear fission but are not associated with nuclear fusion? check all that apply.

Answers

Neutrons striking nuclei

A single large nucleus breaking apart

Two small nuclei forming

When a large, unstable nucleus absorbs a slow-moving neutron, it splits into two smaller nuclei and additional neutrons, which is known as nuclear fission.

The mass difference between the starting nucleus and the end product, which occurs during the process, is transformed into a significant amount of energy using Einstein's equation:

E = Δmc²

When two tiny nuclei come together to form a bigger nucleus, nuclear fusion takes place.Because the final nucleus' mass is less than the sum of the original nuclei's masses during the process, Einstein's equation states that this mass difference is transformed into a significant amount of energy:

E = Δmc²

Now that we have examined each claim, we can determine which one solely applies to nuclear fission: nuclear fission is the only process that results from neutrons striking nuclei.

only true for nuclear fusion when there are two tiny nuclei merging together.large-scale energy release – relevant to both fission and fusion exclusively true for nuclear fission:

a single massive nucleus rupturing only true for nuclear fission when two tiny nuclei form.

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a ring, a disk, and a solid sphere all of equal mass begin rolling down a hill together. which reaches the bottom first?

Answers

A ring, a disk, and a solid sphere all of equal mass begin rolling down a hill together. the one which reaches the bottom first is the sphere.

A ring , a disk and a solid sphere all have equal mass. the moment of inertia of all is given as :

a ring : m r²

a disk = 1 / 2 mr²

a solid sphere : 2 / 5 mr²

where m is the mass of all . and  r is the radius which is same for all.  so the object which the the least moment of inertia will reach the bottom first.

Thus, A ring, a disk, and a solid sphere all of equal mass begin rolling down a hill together. the one which reaches the bottom first is the sphere.

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Which is the smallest possible particle of an element? molecule atom compound matter

Answers

Answer: Atom

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how much energy is evolved during the reaction of 48.7 g of al, according to the reaction below? assume that there is excess fe2o3.

Answers

(D) 769 KJ energy evolved during the reaction of 48.7 g of Al, according to the reaction given.

Mass of aluminium (Al) = 48.7 g

Molar mass of aluminum (Al) = 27 g/mol

Heat of reaction = -852 KJ

Energy evolved = ?

Write the balanced chemical equation

    Fe₂O₃(s) + 2 Al(s)    →    Al₂O₃(s) + 2 Fe(s)

Calculate the number of moles of Al

    number of moles = mass / molar mass

Put the values

    number of moles of aluminum = 48.7 g / 27 g/mol

    number of moles of aluminum = 1.8037 mol

It is clear that the number of moles of Fe₂CO₃ is half of Al, divide the number of moles of Al by 2

    number of moles of Fe₂CO₃ = 1.8037 / 2

    number of moles of Fe₂CO₃ = 0.90185

    heat of reaction for 1 mole of Fe2CO3 = 852 KJ

    heat of reaction for 0.90185 moles of Fe₂CO₃ = 0.90185 mol × 852 KJ

    heat of reaction for 0.90185 moles of Fe₂CO₃ = 769 KJ

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suppose you need to make 400 ml of a solution with a ph of 14 at 298 what mass of sr(oh)2 should you add to a 400 ml volumetric flask

Answers

Mass of Sr(OH)₂ should be added to a 400 ml volumetric flask is 24.34 gm.

Let the mass of Sr(OH)₂ = P g

Molar mass of Sr(OH)₂ = 121.63 g/mol

Mole of Sr(OH)₂ = P gm/ 121.63 g mol⁻¹ = 0.00822 × P mol

[Sr(OH)₂] = (0.00822 × P mol) / 0.400 L = (0.2055 × P) M

[OH⁻] = 2 × [Sr(OH)₂] = 0.0411 P M

pH = 14

pOH = 14 - 14 = 0

[OH⁻] = 10⁰ = 1

∴ 0.0411 P M = 1

⇒ P = 24.34 gm

Hence, mass of Sr(OH)₂ should be added to a 400 ml volumetric flask is 24.34 gm.

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Help please?????!!!!!

Answers

Increasing order of electronegativity Scandiun < copper < Selenium

b. Polonium < oxygen < sulfur

c. Francium < cesium < rubidium.

Electronegativity, symbolized as χ, is the tendency for an atom of a given chemical detail to attract shared electrons while forming a chemical bond. An atom's electronegativity is tormented by each of its atomic wide varieties and the distance at which its valence electrons reside from the charged nucleus.

Electronegativity is a chemical belonging that describes the tendency of an atom or a practical organization to attract electrons toward itself. The electronegativity of an atom is tormented by both its atomic quantity and the distance that its valence electrons reside from the charged nuclei.

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Which molecules have been synthesized in experiments similar to the ones performed by miller and urey?.

Answers

Except DNA all the rest molecules have been synthesized in experiments similar to the ones performed by miller and urey.

Who is Miller and urey and which molecules have been synthesized in experiments ?Miller and Urey were the first to prove that the organic molecules of life could be formed from non organic molecules.Here the question is asked of the molecules which have been synthesized in experiments similar to the ones performed by miller and urey.So the molecules of amino acid, ammonia have been synthesized and except DNA the rest of the molecules have been synthesized.These molecules have been synthesized in experiments similar to the ones performed by miller and urey.Miller did an experiment by putting water vapour, ammonia, methane and creating electric discharge at 800 degree celsius.

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An example of a molecule that cannot be represented adequately by a single lewis structure is?.

Answers

An example of molecule that cannot be represented by a single Lewis structure is Ozone (O₃).

A Lewis Structure may be defined as the representation of electrons of an atom with the help of dots and symbols. The symbols are used for representing initials of atom and dots are used for electrons. If there is a molecule, which is to be represented as Lewis's structure, then the bonds are shown with the help of straight line. However, there are some atoms which cannot be represented by a single Lewis structure. For those atoms different resonating structures are drawn. Resonating structures are different Lewis structures f similar molecule or atom in which delocalization of electrons takes place. These structures are drawn because a single Lewis structure is unable to explain all the properties of the molecule.

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intrinsic kinetics of gypsum and calcium sulfate anhydrite dissolution: surface selective studies under hydrodynamic control and the effect of additives

Answers

Under far from equilibrium conditions, the intrinsic dissolving activity of the basal (010) or edge (001) surfaces of polygonal calcium sulfate anhydrite crystals and gypsum has been studied.

What the definition of kinetics?

A field of science that studies how forces affect the motions of physical objects or how a biological or chemical system changes, as well as how quickly such a system is changing and how a natural or chemical change was brought about.

What is difference between kinematics and kinetics?

Two disciplines of physics known as kinematics and kinetics deal with how an item moves. Despite the fact that both terms have a similar pronunciation, they differ in a few ways. Equations of motion are used in kinematics to describe motion.

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In a solution, the substance present in the largest quantity is called the , while any other dissolved components are called.

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In a solution, the substance present in the largest quantity is called the solvent , while the substances dissolved in smaller quantities are called solute.

What is the difference between a solvent and solute?

In Chemistry, solvent is defined as the medium which dissolves the other substances.

In general, a solution is a combination of a solute and a solvent.

For example, let's take a mixture of water, slat and sugar.

Here water is the solvent as it is present in large quantity while sugar and salt are solutes.

To put it simply, a solution is a homogenous mixture that is formed when solute is added to the solvent.

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What is the molar ratio of acid to base for the neutralization reaction between hcl and naoh?.

Answers

1:1 is the molar ratio of acid to base for the neutralization reaction between HCl and NaOH.

HCl + NaOH → NaCl + H₂O

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water. The neutralization of a strong acid and strong base has a pH equal to 7.

Neutralization is the reaction of an acid and a base, which forms water and a salt.

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Freon 12(molar mass 120.91 g/mol) is a common refrigerant that is vaporized in tubes inside a refrigerator, releasing heat. This results in heat being released to the outside of the fridge. If 500g of the Freon is vaporized, what is the expected enthalpy change.

Answers

The expected enthalpy change in the process of the vaporization of freon is 144.7 kJ.

What is the enthalpy change of a substance?

The enthalpy change of a process or reaction is the amount of heat absorbed or evolved during by the process.

The expected enthalpy change in the process of the vaporization of freon is calculated from the formula below as follows:

Molar enthalpy of vaporization = enthalpy change/mole of a substance

Hence;

Enthalpy change = molar enthalpy of vaporization  * moles of substance

molar enthalpy of vaporization of freon = 34.99 kJ/mol

Moles of freon = mass/molar molar mass

moles of freon = 500 / 120.91 moles

Enthalpy change = 34.99 kJ/mol * 500 / 120.91 moles

Enthalpy change = 144.7 kJ

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Complete question:

A common refrigerant (Freon-12, molar mass 120.91 g/mol) is alternately vaporized in tubes inside a refrigerator, absorbing heat, and condensed in tubes outside the refrigerator, releasing heat. This results in energy being transferred from the inside to the outside of the refrigerator. The molar enthalpy of vaporization for the refrigerant is 34.99 kJ/mol. If 500.0 g of the refrigerant is vaporized, what is the expected enthalpy change Δ H??

How many calories are needed to convert 1 g of liquid water at 10°c to solid ice at 0°c?.

Answers

80 calories are required to melt 1 gram of ice. (The energy required to elevate one gram of water by one degree Celsius is one calorie.) - The solidification process is what turns liquid into ice. 80 calories per gram will be released throughout this procedure.

What is the underlying concept here?

This issue is meant to provide you an estimate of the amount of heat required per gram of solid water, or ice, in order for a solid to liquid phase change to occur. Simply put, a measurement of the amount of heat needed to melt one kilogram of ice at its typical melting point of 0 degrees Celsius is provided. Therefore, you could conclude that 80cal/g is similar to 80cal of It took 0C of heat to turn 1 g of ice from a solid to a liquid. Thus, 3 g of ice would require 3 g x 8 cal / 1 g / 240 cal. So, keep in mind this notation. 80cal per gram. g1means that by applying 80cal of heat, every 1 g of ice at 0°C can be transformed into liquid water at 0°C.

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which of the choices below shows the correct ordering of k, fe, se, and kr from largest atomic radius to smallest?

Answers

The  correct ordering of K, Fe, Se, and Kr from largest atomic radius to smallest is K > Fe > Se > Kr.

The atomic radius of an element can be defined as  distance from the nucleus to the outermost shell of the atom. The trend of atomic radius in the periodic table is that when we move from top to bottom in a group the atomic radius of chemical element increases . when we move from left to right in a period the atomic size decreases. so according to this the atomic size of given elements from largest atomic radius to smallest atomic radius is K > Fe > Se > Kr.

Thus, The  correct ordering of K, Fe, Se, and Kr from largest atomic radius to smallest is K > Fe > Se > Kr.

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what is the difference between the energy level diagram for hydrogen and an energy level diagram for any atoms with two or more electrons

Answers

Hydrogen has only one electron, the only force that matters (in a classical approximation) is that which exists between the positively charged nucleus and the single negatively charged electron.

The negatively charged electrons in a multi-electron atom repel one another. This phenomenon, which we refer to as "electron screening," often increases the energy of all orbital energy levels and divides the energy of a shell's subshells.

What do you mean by energy level diagram?

The many discrete energy levels (or, energy states) for an atom, ion, or molecule are depicted in an energy level diagram. Only electronic states, only vibrational states, or both electronic and vibrational states may be depicted in an energy level diagram.

A Jablonski diagram is one sort of energy level diagram that shows both the electronic states of an atom, ion, or molecule and the electronic transitions between these states that these entities might experience. The states are piled vertically, with the states with greater energies being stacked higher. Several stacks with the same spin multiplicity states may be included in the figure (e.g., singlet-singlet or triplet-triplet states).

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During which changes of state do atoms that cannot move past one another become free to move?vaporization and sublimationboiling and depositionsublimation and meltingcondensation and melting.

Answers

Atoms that are unable to pass one another become free to migrate during state shifts such as sublimation and melting. While atoms also have a tendency to clash when a solid material melts.

This allows them to slip past one another. As a result, we may say that as an object melts or sublimation, its state changes, allowing atoms that can't travel past one another to do so. A substance can transfer directly from the solid to the gas state through sublimation, bypassing the liquid step. A substance can change its phase from a solid to a liquid by the physical process of melting or fusion. When the solid's internal energy increases, usually as a result of the application of heat causes melting.

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Please help!!! Hydrogen bonds can be found between molecules of which substance?
Responses

A. HF

B. H2

C. CH4

D. C3H8

Answers

B. H2 is the correct answer.

What layer of earth is liquid with the highest density?.

Answers

Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore,  earth's core is the layer of earth is liquid with the highest density.

What is matter?

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.

Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.

The liquid layer of the Earth's core, made of iron and nickel, that lies beneath the Mantle and surrounds the inner Core.

Therefore, earth's core is the layer of earth is liquid with the highest density.

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Where does the electron have the most energy?.

Answers

We know that higher the object more will the potential energy,

Same way we can say that The potential energy of an electron is high when the electrons are excited

and jumps from lower energy orbital to the higher energy orbitals and goes farther away from the nuclear attraction region.

The formula to find the energy of electron at nth shell is given in the figure.

We know that electron carries a negative charge.

If you put a charged particle in motion and change its direction, it will radiate energy.

But electrons behave like waves, and these waves helps us know the probability of finding electrons i.e. orbitals that we label as s, p, d, and f orbitals.

Being in the orbitals of a particular shell, electron's energy will be limiting due to counter nuclear forces.

Electron as to leave atom, or an say nuclear region to attain its highest energy.

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