Write balanced net ionic equation for the following reaction: Fe(OH)3(s) + H2SO4(aq) +? Express your answer as a chemical equation. Identify all of the phases in your answer

3 moles of carbon dioxide are generated when one mole of the compound is treated with warm, concentrated KMnO₄.

The balanced chemical equation for the above reaction is given as:

3K₂MnO₄ + 2 CO₂ ⇄ 2 KMnO₄ + MnO₂ + 2 K₂CO₃

It is clear that from 2 moles of carbon dioxide produces 2 moles of potassium permanganate.

The amount of CO₂ formed for 1 mole of KMnO₄ with 100% yield would be

2/2 × 1 mole = 1 mole.

Hence, the number of moles of carbon dioxide that are generated when one mole of the compound is treated with warm, concentrated KMnO₄ id 3 moles.

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In the asthenosphere, density and temperature are the primary contributors to convection currents.

What exactly is the Earth's asthenosphere?

The weaker, denser layer below the lithospheric mantle is known as the asthenosphere. It is between 62 miles and 410 kilometers (100 miles) below the surface of the Earth. Because of the asthenosphere's extreme heat and pressure, rocks begin to weaken and partially melt, turning semi-molten.

What is the short definition of the asthenosphere?

Located under the lithosphere, the asthenosphere is a region of the Earth's mantle that is thought to be significantly hotter and more fluid than the lithosphere. Between 100 km (60 miles) and 700 km (450 miles) below the surface of the Earth is the asthenosphere.

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if 311 g of molecular nitrogen from the atmosphere were converted to ammonia, there be 377.4 g of ammonia formed

We'll start by writing the balanced equation for the reaction of nitrogen and hydrogen produce ammonia. This is given below:

N₂ + 3H₂ —> 2NH₃

Then, we should calculate the moles of N₂ t reacted from the balanced equation. This is illustrated below:

moles N₂ = mass N₂ / mass molar

moles N₂ = 311 g/ 28 g/ mol = 11.10 moles

we know 1 moles N₂ produce 2 moles NH₃

so we can find the moles of NH₃ using the unitary method

(2/1) x moles N₂ = moles NH₃

(2/1) x 11.10 moles =22.20 moles NH₃

we already found the moles NH₃ so we can find the mass of NH₃

mass NH₃ = moles x mass molar

mass NH₃ = 22.20 moles x 17 g/ moles

mass NH₃ = 377.4 g.

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The change in Gibbs free energy is -219.4 kJ/mol that can be calculated by using the given entites.

The preferred Gibbs free energy of formation (Gf°) of a compound is the extrade of Gibbs free energy that accompanies the formation of one mole of a substance in its preferred country from its constituent factors of their preferred states (the maximum solid shape of the detail at 1 bar of strain and the required temperature. The preferred loose electricity of formation of a substance is described because the loose-electricity extrade which ends whilst 1 mol of substance is ready from its factors at the usual strain of one atm and a given temperature, commonly 298 K. It is given the symbol ΔGf°.

Delta G= delta G products - delta G reactants

=[2 mol * delta G_f, AgCl(s)]-[(2 mol* delta G_f, Ag(s))+(1 mol *delta G_f, Cl2(g))]

=2 mol* -109.70 kJ/mol - [2 mol * 0 kJ/mol + 1 mol * 0 kJ/mol]

=-219.4 kJ

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Aristotle was not wrong that he thought that the matter was made up of four elements, earth, water, the air and the fire. the mater is composed of the tiny particles that are atoms, molecules.

The matter will exits in the four states the solid state , the liquid state , the gas state and the plasma state. The matter is the thing which has the mass and will occupy the space. the matter is composed of the tiny particles that are  atoms of the group of the atoms called as the molecules. an atom is the smallest unit of the element.

Thus, the matter is composed of the tiny particles ,the  atoms and the molecules.

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9.73 g of lead(iv) chloride contains enough cl- ions to make 5.31 g of magnesium chloride.

Given data:

Mass of  lead(iv) chloride = 9.73 g

Molar mass of 9.73 g = 278 g/mol

Mole can be determine by using the formula:

Mole = mass / molar mass

Moles = 9.73 g / 278 g/mol

Moles = 0.035

If 9.73 g of lead(iv) chloride contains 0.035 mole of lead(iv) chloride then 5.31 g of magnesium chloride

The formula is Mgcl2 ,so the mole will be 24 + (35.5 x2) = 95.

So 2x 35.5 = 71g of Cl will be required to make 95g of Mgcl2

So 1 gram of Cl = 95/71 = 1.34g Mgcl2

So 3.95g Cl =1.34 x 3.95 = 5.28gram

Therefore, cl- ions to make 5.31 g of magnesium chloride.

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Rb, Ga, Al, C, O, F is the order of decreasing metallic character.

The metallic properties of an element are defined as the susceptibility of its atoms to lose electrons. According to the modern periodic table, the metallic properties of elements decrease as they move from left to right over a period of time. Moving cyclically increases the nuclear attraction due to the increase in atomic number and decreases the atomic size. Therefore, elements cannot readily donate electrons. Therefore, metallicity decreases over a period moving from left to right.

Moving down the group increases the metal letters on the periodic table. As the distance between the valence electrons and the nucleus increases, the attractive force between them also decreases. If you increase the atomic radius, you lose electrons very easily.

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Question A. How does the composition of the atmosphere change from year to year? most likely would be studied by a chemist.

The work of a chemist professional is based on examining the composition of the different materials and compounds that form the subject of study such as in this case the composition of the atmosphere.

Therefore, with this data, we can see that the work of a chemist professional is based on deciphering the composition of the different compounds that form the natural world.

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The reaction between Mgo and carbonic acid produces magnesium carbonate and water. The abbreviated ionic equation is written as follows:

[tex]\rm Mg ^{2 +} (s)+ CO_{3} ^{2-} (aq) \rightarrow MgCO_{3} (s)[/tex].

Magnesium carbonate is an ionic compound formed by the ionic bonding between Mg metal and carbonate group. The reaction of Mg with carbonic acid results in the formation of magnesium carbonate as written below:

[tex]\rm MgO + H_{2}CO_{3} \rightarrow MgCO_{3} + H_{2}O[/tex]

This reaction is an example of double displacement reaction. Here, the oxygen and carbonate groups interchange between Mg metal and hydrogen.

Here, Mg is in solid state an it forms the solid precipitate of magnesium carbonate as written in the ionic equation.

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The amplitudes of sound waves from these sources in order from greatest to least is chainsaw, diesel truck, rustling leaves.

A sound wave is described as the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water or any other liquid or solid matter) as it propagates away from the source of the sound.

The amplitude of the sound wave is described as the maximum displacement of the particles from their resting position. That means that higher the amplitude equals high sound.

So the sound of a chainsaw is high, hence its amplitude will be great and after that the amplitude of diesel truck is high and rustling leaves have the lowest amplitude.

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Answer:

Earned Interest

Explanation:

Sodium Bisulfite converts Bromine (br2) to Bromide (br-). Sodium Bisulfite is a reducing agent.

In chemistry, a reducing agent is a chemical species that "donates" an electron to an electron acceptor. Examples of substances that are normally reducing agents include earth metals, formic acid, oxalic acid, and sulfite compounds. Reducing and oxidizing agents are responsible for corrosion, or "decomposition of metals by electrochemical activity." Corrosion requires an anode and a cathode.

Strong reducing agents are electropositive elements that can readily donate electrons in chemical reactions. Sodium, hydrogen and lithium are examples of strong oxidants. Weak reducing agents react less violently than strong reducing agents, but can participate in reactions that produce heat and gaseous products that pressurize the closed vessel and can participate in further reactions.

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The student's conclusion is not necessarily correct. The concentration of a solution is determined by the amount of solute (in this case, copper sulfate) present in a given amount of solvent (in this case, water). When the student added solution B to solution A, the total volume of the solution increased from 50 cm³ to 150 cm³, while the total amount of copper sulfate remained constant at 15 g. This means that the concentration of the new solution may be lower than that of the original solutions, since the same amount of solute is now present in a larger volume of solvent. To determine the actual concentration of the new solution, the student would need to measure the amount of copper sulfate present in a given volume of the solution and compare it to the original solutions.

Grams of sodium hydroxide are needed  to titrate a 100 ml sample of 1 m solution of hcl to its endpoint is 4gm

Titration is a common laboratory method of quantitative chemical analysis to determine the concentration of identified analytes. Reagents, called titrants or titrators, are prepared as standard solutions of known concentration and volume.

Explanation:

For HCl :-

Molarity = 1 M

Valency factor of HCl = 1 ( Because it releases only 1 H+ ion )

Normality = Molarity × Valency factor

Normality of HCl = 1 × 1 = 1 N

Milliequivalent = Normality × Volume (ml)

Milliequivalent of HCl = 1 × 100

Milliequivalent of HCl = 100

For NaOH :-

Valency factor for NaOH = 1 ( Because it releases only 1 OH- ion )

Milliequivalent of NaOH = millimole × valency factor

Milliequivalent of NaOH = n × 1

Here n = millimole of NaOH

According to law of chemical equivalence

For end point

Milliequivalent of NaOH = milliequivalent of HCl

n = 100

Mass in milligram = millimole × molar mass

Mass = 100 × 40

Mass = 4000 mg

mass of NaOH required = 4 gm

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The speed of a chemical reaction can be influenced by 5 different variables: Reactants' nature, concentration, temperature, surface area, and presence of a catalyst, together with their gaseous counterparts' pressure and nature, are all factors.

The collision theory is based on three major ideas:

1) For a chemical reaction to happen, particles need to collide.

2) For bonds to be broken, particles must collide with enough energy (this least amount of energy is known as the activation energy or EA.)

3. Particles need to collide in the right direction.

The reaction rate is the time it takes for a change to occur in the amount of a reactant or product.

At the beginning of a chemical reaction, the rate is always the quickest. The rate slows down as the reaction continues. For this reason, graphs that depict reaction progress are referred to as rate curves. The slope always starts out steeply before edging out over time.

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If two atoms of differing electronegativity are bonded covalently to each other, the atom with the greater electronegativity attracts the bonded electrons.

When two atoms with different electronegativity are brought together in a covalent bond, the atom with a greater tendency toward electronegativity will often pull the shared electron pair closer to itself. because the definition of electronegativity is the potential to pull electron density in a covalent binding. So when two atoms of differing electronegativity are bonded covalently to each other, the atom with the greater electronegativity attracts the bonded electrons toward itself which results in a dipole generation in the molecule formed.

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A solution is 0.20 m ba(oh)2(aq). 0.040 moles of hcl(aq) must be added to neutralize 100.0 ml of the solution

number of moles of Ba(OH)2 = molarity * volume of solution in L

number of moles of Ba(OH)2 = 0.20 * 0.10 L = 0.020 mole

Ba(OH)2   +   2H+  ---->  Ba^2+   +   2H2O

from the balanced equation we can say that

1 mole of Ba(OH)2 requires 2 mole of H+ so

0.020 mole of Ba(OH)2  will require

= 0.020 mole of Ba(OH)2 *(2 mole of H+ / 1 mole of Ba(OH)2)

= 0.040 mole of H+

Therefore, the number of moles of H+ required are 0.040 mol

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Strontium powder would ignite in a dark red flame, and potassium powder would result in a lavender-pink flame.

What is Potassium Powder?

Potassium is a mineral that may be found in a variety of foods and is essential for numerous bodily processes, most notably the heartbeat.

Low potassium levels in the blood can be prevented or treated with potassium chloride (hypokalemia).

Potassium levels can become low due to sickness, medication side effects, or after a protracted illness accompanied by diarrhoea or vomiting.

Low blood potassium levels can be treated and prevented by taking potassium chloride, sometimes referred to as potassium salt. Vomiting, diarrhoea, or certain drugs can all lead to low blood potassium levels. Before using, dilute the concentrated form. It can be administered orally or slowly injected into a vein.

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To complete the entire proton-proton reaction, six protons are needed. There are two single protons remain at the end of the reaction chain.

The proton-proton reaction (also known as the proton-proton chain or the p-p chain) is a series of nuclear fusion reactions that occur in the core of stars, including the Sun, and involve the fusion of hydrogen nuclei (protons) to form helium. The proton-proton reaction is the primary source of energy production in the Sun and other low-mass stars. The proton-proton reaction involves a series of reactions that involve the fusion of two protons to form deuterium (a hydrogen isotope), the fusion of deuterium with a proton to form helium-3, and the fusion of two helium-3 nuclei to form helium-4. These reactions can be represented by the following equations:

p + p -> 2H + e^+ + v_e

2H + p -> 3He + v_e

3He + 3He -> 4He + 2p

To complete the entire proton-proton reaction, six protons are needed. At the end of the reaction chain, four protons are combined to form a helium-4 nucleus, and two protons are produced as a byproduct. Therefore, at the end of the reaction chain, there are two single protons remaining. It is important to note that the proton-proton reaction is a complex process that involves many different reactions and particles. The equations provided here are simplified representations of the proton-proton reaction and do not include all of the intermediate steps and particles involved.

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Based on the given information, it appears that you have a molecule with a molecular formula of C₁₃H₈O and 13C nuclear magnetic resonance (NMR) data. The 13C NMR data provides information about the types and number of carbon atoms present in the molecule, as well as their chemical environments.

To deduce the structure of an unknown compound with the molecular formula C₁₃H₈O, you can use the 13C NMR spectra to identify the types and number of carbon atoms present in the compound.

From the 13C NMR spectra, you can see that there are several peaks at different chemical shifts. The peaks at δ 120.2, 124.1, 128.9, 134.0, 134.5, and 144.3 ppm likely correspond to carbon atoms bonded to hydrogen atoms, while the peak at δ 193.6 ppm likely corresponds to a carbon atom bonded to an oxygen atom.

The presence of a peak at δ 193.6 ppm indicates that there is at least one carbon atom bonded to an oxygen atom in the compound. This suggests that the compound may contain a carbonyl group, which is a functional group consisting of a carbon atom double-bonded to an oxygen atom. Common functional groups containing a carbonyl group include aldehydes, ketones, carboxylic acids, and esters.

Based on the molecular formula and 13C NMR spectra, it is possible that the compound could be an aldehyde, a ketone, a carboxylic acid, or an ester. Additional information, such as the 1H NMR spectra and IR spectra, would be needed to determine the specific structure of the compound with greater certainty.

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molecular formula: c13h8o 13c nmr: δ 120.2, 124.1, 128.9, 134.0, 134.5, 144.3, 193.6 ppm, deduce the structure of an unknown compound.

One element or one compound makes a pure substance. A mixture is made up of two or more distinct substances that are not chemically bonded.

Pure Substance can be identified by following characteristics. :

Mixtures can be identified by following characteristics:

Pure substances are those that have a fixed makeup and cannot be broken down into its component parts. Elements and compounds are divisions of pure substances. A mixture is any two or more pure substances together. There are two categories of mixtures: heterogeneous and homogeneous mixtures.

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The aromatic ring is the nucleophile in electrophilic aromatic substitution, while the added group is the electrophile in this scenario.

An electrophile is what?

Lacking electrons, electrophiles are drawn to an area with an abundance of them. Because they contain an atom with a positive charge or an atom lacking an octet of electrons, electrophiles are typically positively charged. In order to form a bond with a nucleophile, requiring the interactions of a proton and a base, electrophiles react by accepting an electron pair. Electrophilic substances are Lewis acids (compounds that accept electron pairs), and many of them are Bronsted acids.

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The bicarbonate ions neutralise the hydronium ions when an acidic material enters the circulation, creating carbonic acid and water. Already, blood's buffering mechanism includes carbonic acid.

Bicarbonate (HCO3-) functions as a buffer against pH fluctuations because it can reversibly bind a free hydrogen ion (Review Buffer Basics). The bicarbonate buffer has a high buffering capacity around the typical ECF pH of 7.4, with a pK of 6.1.

The bicarbonate/carbonic acid buffering mechanism works to "neutralise" excess acid or base while maintaining a typical range of plasma pH. Bicarbonate binds excess hydrogen ions in metabolic acidosis.

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The chemical symbols that will complete the equation for this single displacement reaction are 2NaCl + Br₂.

The balanced equation for the above-mentioned reaction is as follows;

    2NaBr + Cl₂   →   2NaCl  + Br₂

When an element reacts with a compound and replaces another element in that molecule, the reaction is known as a single displacement reaction. In most cases, the element with a higher degree of reactivity will drive out the elements with a lower degree of reactivity from its complex. As a result of the higher reactivity of chlorine (Cl₂) compared to bromine (Br₂), bromine gets displaced from its compound by chlorine.

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Enzymes accelerate chemical reactions by lowering the activation energy.

Enzymes have an active site which provides a unique chemical environment made up of certain amino acid R groups. This unique environment is well-suited to convert particular chemical reactants for that enzyme called substrates into unstable intermediates called transition states.  Almost all enzymes are proteins, made up of chains of amino acids, and they perform the critical task of lowering the activation energies of chemical reactions inside the cell. Enzymes do this by binding to the reactant molecules, and holding them in such a way as to make the chemical bond-breaking and bond-forming processes take place more readily.

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0.123 mol of methane contains 7.4 x 1022 molecules of methane (ch4). Four hydrogen atoms are joined to the one carbon atom that makes up the molecule methane by single bonds.

It is a gas that is combustible, colourless, odourless, non-toxic, and has a melting point of -161°C. It serves as a fossil fuel, greenhouse gas, and bacterial metabolite, among other things. Avogadro's number refers to the fact that a mole of methane really consists of 6.0221023 molecules. To calculate the required number of molecules, find the substance's molecular weight for one mole. Next, multiply the result by the Avogadro constant after dividing the molar mass value by the molecular mass.

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The typical definition of the melting point is the temperature at which a substance transforms from a solid to a liquid.

The melting point of a liquid is the temperature at which the liquid transforms from a solid to a liquid under atmospheric pressure. This is the location where the liquid and solid phases are equally present. The substance's melting point varies with pressure as well and is reported at standard pressure.

As the melting point is 0 °C.

So, it melts at 2 C. It can melt from 0 °C – 2 °C to 0 °C + 2 °C.

Range = [-2, 2] in °C.

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No, we can't remain healthy by consuming milk only.

We need many others things in our diet for our survival. Even we can't survive in this world by consuming only milk as our regular diet.

Milk contains major products but lacks minor which are part of our hormonal growth.

It means what is the use of calcium if there is no growth hormone also thyroxine , which is used for protein, fat, and carbohydrate synthesis.

Milk have been linked to an increased risk of developing prostate cancer.

The lactose in cow’s milk can be difficult for people to digest, resulting in nausea, cramps, gas, bloating, and diarrhea.

A different beast than lactose intolerance, milk allergies can cause potentially strong and dangerous reactions (usually in young children), such as vomiting or anaphylaxis.

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MgO > CaO > NaF > KCl are the following compounds with decreasing order of lattice energy.

With the help of the people success platform Lattice, leaders can create motivated, cohesive team that foster winning cultures. Launching 360-degree performance review cycles, engagement polls, tracking OKR/goals, getting real-time feedback, and promoting manager 1-on-1 meetings are all made simple with Lattice.

Any orderly configuration of points and objects over a region or in space, such as the geometric configuration of the atoms within a crystal. Fissionable material is arranged geometrically in a nuclear reactor and is also referred to as a "space lattice."

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Density is an intensive property as it does not depend on the quantity of the substances Whereas mass and volume are extensive property. Therefore, 3.51g of nitric acid will remain in 3 liters of solution with a density of 1.171 g/ l.

Density tells about the compactness of the substances, how much dense is the substances in other words. Object that is more denser than water they just sink in the water.

Mathematically,

Density of solution = mass of solution ÷volume marked on the graduated cylinder

Substituting all the values in above formula, we get

1.171 g/ l = mass of solution/ 3 liters

mass of solution= 1.171× 3

mass of solution =3.51g

Therefore, 3.51g of nitric acid will remain in 3 liters of solution with a density of 1.171 g/ l.

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