draw a lewis structure for clo2-. do not include the charge in your drawing. do not draw double bonds to oxygen unless they are needed in order for the central atom to obey the octet rule.

Calcium hydroxide is created when calcium and oxygen mix.

Calcium Hydroxide in the Electron Dot formula:

Ca is a compound (OH)

Name of second compound is Calcium Hydroxide.

A Lewis structure is a very condensed representation of the electrons in the valence shell of a molecule. It is used to show the electron arrangements around specific atoms in compounds. The electrons are shown as "dots" or as a line when two atoms are bound together. To reach the "ideal" electron configuration, the octet rule and formal charges must be met.

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No, work is not done whenever you hold a heavy object for a long time

The result of a force's displacement and its component of force exerted by the object in the direction of displacement is what is known as the force's work. When we push a block with some force, the body moves quickly and work is completed.

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When parts of the upper mantle collide with each other, the force causes changes on the surface like volcanoes and fractures  the collision not impact the asthenosphere because asthenosphere is the plastic and brittle

The asthenosphere is the unique to our planet and earth is the only planet in the solar system with an asthenosphere and if planet doesn't have water this means it doesn't have an asthenosphere and the asthenosphere play an important role in plate tectonic movement and asthenosphere is situated underneath the solid lithosphere and the asthenosphere is ductile and deform easily compared to the overlying lithosphere so the collision not impact the asthenosphere because  asthenosphere is the plastic and brittle

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Option B. The ionization energy increases because the ratio of protons to electrons increases. explains the change in ionization energy that occurs between removing the first and second electrons from an atom.

The ionization energy is the degree of the functionality of an element to go into chemical reactions requiring ion formation or donation of electrons. it is also usually associated with the nature of the chemical bonding within the compounds shaped by the factors. See additionally binding strength; electron affinity.

Ionization energy is superb for neutral atoms, meaning that ionization is an endothermic system. more or less speaking, the nearer the outermost electrons are to the nucleus of the atom, the higher the atom's ionization electricity. In physics, ionization power is typically expressed in electronvolts (eV) or joules (J).

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Each of the following number of moles of ethanol is present in a 13.2 mL volume of 0. 220 m ethanol solution.

Why do we do it?

The notion is that the number of moles of solute contained in 1L=10^3mL of solution may be calculated from the molarity of the solution. In our situation, a solution of ethanol with a concentration of 0.220 M will have 0.220 moles of ethanol per 10^3 mL of solution. This suggests that 2.90 10 3 moles of ethanol will be present in the mixture of 2.90 ×10^3 moles of ethanol in a 10^3 mL solution and 0.22 moles of ethanol in a 13.2 mL solution.

A renewable fuel called ethanol is produced from corn and other plant components. The United States uses ethanol extensively, and more than 98% of gasoline contains some ethanol.

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HCl (g)+ NH

3

(g) → NH

4

Cl (s)

a)  The brown color of bromine is discharged

b) There is an addition reaction occurring

c) The equilibrium that occur here is a dynamic equilibrium

We say that a system is in a state of equilibrium when the rate of the forward reaction is equal to the rate of the reverse reaction. In this case, we can say that the system is in a state of dynamic equilibrium.

a) We know that as the bromine is added to the ethene there would be the decolorization of the bromine water.

b) At the molecular level, the bromine is being added to the double bond in the alkene and a vicinal dihalide is produced.

c) The equilibrium is dynamic.

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First ionization reaction: -

H₂SeO₄(aq) + H₂O(l)  →  H₃O⁺(aq) + HSeO₄⁻(aq)

Second ionization reaction: -

HSeO₄⁻(aq) + H₂O(l)  →  H₃O⁺(aq) + SeO₄⁻²(aq)

Selenic acid is a diprotic and a strong acid with the formula: H₂SeO₄.

When it reacts to water, it releases two protons in two ionizations.

Finally, it gives hydronium to the medium.

H₂SeO₄(aq) + H₂O(l) → H₃O⁺(aq) + HSeO₄⁻(aq)

HSeO₄⁻(aq) + H₂O(l) → H₃O⁺(aq) + SeO₄⁻²(aq)

        According to the given condition the selenous  acid is a diprotic acid (two hydrogen ions) we can identify two ionization reactions, the first one, showing up the dissociation of the first hydrogen to yield hydrogen selenic ions and the second one, showing up the dissociation of the hydrogen sulfate ions to hydrogen ions and selenic ions.

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Answer:

na atom

Explanation:

which is sodium because it has 11protons -10 electrons =+1.Hence the valency of sodium is 1

The concentration of a dextrose solution prepared by diluting 17 ml of a 3.0 m dextrose solution to 25 ml using a 25 ml volumetric flask is 2.04 m.

This problem is solved by using the concept of concentration and volume.

As we know that,

C1 × V1 = C2 × V2

From the problem,

The initial concentration of dextrose C1 = 3.0 m

The initial volume of dextrose V1 = 17 ml.

The initial volume of dextrose V2 = 25 ml.

We have to find the final concentration of dextrose.

By substituting all the values, we get

3.0 × 17 ml = C2 × 25 ml

51 = C2 × 25 ml

C2 = 51 / 25

C2 = 2.04 m

Thus, we concluded that the concentration of a dextrose solution prepared by diluting 17 ml of a 3.0 m dextrose solution to 25 ml using a 25 ml volumetric flask is 2.04 m.

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Option D.  Investigation 4, represents the statement from which investigation is an example of repetition.

Each is a repeated run of your combination of things and stages. Repetition does the replica runs consecutively even as replication does more than one run but throughout identical but special experimental runs. The investigation is a radical search for data, particularly the ones which are hidden or need to be sorted out in a complicated state of affairs. The intention of the research is commonly to decide how or why something befell.

Experimental investigations contain a procedure in which a "honest test" is designed and variables are actively manipulated, managed, and measured which allows you to collect proof to aid or refute a causal courting.

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Disclaimer:- your question is incomplete, please see below for the complete question.

Precipitate Ca₃(PO₄)₂ would be created by mixing sodium phosphate with calcium acetate.

When dissolved compounds react, they might produce one or more solid products in a process known as precipitation. Double displacement, double replacement, or metathesis reactions are some names for several of these processes, which frequently include the exchange of ions between ionic compounds in aqueous solutions.

Two soluble salts react to form precipitates, an insoluble salt.

The following equation illustrates the reaction between calcium acetate and sodium phosphate:

3Ca(C₂H₃O₂)₂ + 2Na₃PO₄ → Ca₃(PO₄)₂ +6NaC₂H₃O₂

The reaction produces Ca3(PO4)2, which is an insoluble salt and a precipitate.

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Calcium has approximately 20.439% of mass in calcium sulphate compound.

Calcium sulphate is the inorganic compound with the formula CaSO4 and related hydrates. in the form of anhydrite, it is used as a dessicant. One particular hydrate is better known as plaster of paris and another occurs naturallly as the mineral gypsum. It has many uses in the industry. All forms are white solids that are poorly soluble in water. Calcium sulfate causes permanent hardness in water.

The compounds exist in three level of hydration corresponding to different crystallographic structure and to minerals.

a. CaSO4 is an anhydrous state. The structure is related to that of zirconium orthosilicate.

b. CaSO4.H2O Dihydrate

c. CaSO4.1/2H2O Hemihydrate.

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The structure of CO2 is linear as it has two oxygen atoms on both side of carbon, it nullifies the polar charge and makes it a nonpolar molecule.

According to Lewis structure we know that it denotes the number of electrons donated or shared to complete the octane rule (all atoms must have 8 electrons in the outer shell).

   Lewis's structure gives us the idea of whether a compound is basic or acidic in nature in terms of the electrons shared. In the given condition, for CO2 the Lewis structure is shown below.

  If we draw the Lewis structure for CO2, we will get a linear structure as it would contain two oxygen atoms on both side of carbon. As it contains two carbon atoms, it shares a covalent bond with carbon.

   As there are two oxygen atoms on both side of carbon and being equally electronegative it cancels out the charges and makes it a nonpolar molecule.

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On a solid media, chromatography requires solvent separation. Different boiling points are used in distillation. A liquid is removed through evaporation from a solution to leave a solid behind. Filtration separates different-sized particles.

Chromatography is a method used in laboratories to separate mixtures into their constituent parts. The combination is dissolved in a liquid solvent known as the mobile phase, which transports it through a system where a substance known as the stationary phase is fixed.

Chromatography paper is another name for filter paper. Paper for chromatography is entirely white. Chemical analysis filter paper, quality filter paper, ashless filter paper, air filter paper, engine oil filter paper, fuel filter paper, etc.

The basis for gel filtration chromatography is the distinct migration of dissolved solutes through gels with predetermined-sized holes.

Thus, A column of insoluble but highly hydrated polymers, such as dextran, agarose, or polyacrylamide, is used in gel filtering or gel-permeation chromatography.

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The term "buffer" refers to a solution's capacity to withstand pH fluctuations, even when additional bases or acids are introduced. Buffer has the ability to neutralize any acids or bases supplied to the system in order to stabilize it.

Equivalent molar ratios of KH2PO4 and K2HPO4 when combined with water result in the creation of buffer solution. A particular kind of dibasic salt is dipotassium phosphate. K2HPO4 is the solution that is created when hydrogen ions are added to K3PO4, and it functions as a conjugate acid. H2PO4 acts as a weak acid and HPO2 acts as a conjugate base of a in this system of buffers diluted acid . As a result, this KH2PO4 and K2HPO4 solution in water serves as a buffer.

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Answer:

Explanation:

The law of conservation of matter state that matter can't be created or destroyed but can change from one form to another. Option C is correct.

What is the law of conservation of matter?

According to the principle of conservation of matter, although matter cannot be generated or destroyed.

The law of conservation of matter state that matter can't be created or destroyed but can change from one form to another.

Hence option C is correct.

Answer:

c

Explanation:

Answer:

C) -3063J

Explanation:

multiply m, c, and change in T

The amount of 0.100 M HCl that 400 mg of Tumsr can neutralize, measured in mL, is 32 mL.

Chemical A chemical reaction's reactants and products are studied quantitatively in stoichiometry. The Greek words "stoikhein" (which means element) and "metron" (which means measure) are the roots of the English word "stoichiometry."

CaCO3 makes up 40 percent of Tumsr. As a result, 400 mg of Tumsr will have

400 x 40/100 = 160 mg CaCO3

According to the reaction's equation:

CaCO₃ +  2HCl  →  CaCl₂ + H₂O +  CO₂(carbondioxide)

Mole ratio = 1:2

Mole of CaCO₃ = 0.16g/100 = 0.0016 moles

Equivalent mole of HCl = 0.0016 x 2 = 0.0032 moles

Volume of 0.0032 mole= 0.0032/0.1

Volume of 0.0032 mole = 32 ml.

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Hydrolysis can happen to both cations and anions, however not all ions react in this way. Both the free cation and the free anion are created during the dissolution of an ionic salt in water.

The salt of the powerful acid (HNO3) and the powerful base (Ba(OH)2) is barium nitrate (Ba(NO3)2). Strong acids and strong bases do not hydrolyze in aqueous solution when their salts are present. In aqueous solution, barium nitrate (Ba(NO3)2) does not hydrolyze as a result.

Some instances of hydrolysis include dissolving a weak acid or base salt in water or dissolving sulfuric acid in water, which results in the formation of hydronium and bisulfate compounds. Proteins, lipids, and complex carbohydrates in diet are also broken down via hydrolysis.

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Three molecules of ribulose-1,5-biphosphate are generated from the remaining five G3P molecules.

Calvin cycle, also known as the photosynthesis's light-independent phase. In this stage, glucose is synthesized using the NADPH and ATP created during the light stage.

There are three primary phases of the Calvin cycle: carbon fixation, reduction, and regeneration.

In the process of fixing carbon, ribulose-1,5-biphosphate, a CO2 acceptor, combines with three molecules of CO2 to produce two molecules of 3-phosphoglycerate. This reaction is catalyzed by RUBISCO (PGA)

PGA is reduced by NADPH during the reduction stage, and ATP phosphorylates PGA to generate six molecules of glyceraldehyde-3-phosphate (G3P). According to the answer, while the other five molecules of G3P continue in the cycle, one leaves it to be used to create glucose.

The initial five molecules of G3P are rearranged into three molecules of the five-carbon CO2 acceptor known as ribulose-1,5-biphosphate during the third stage, dubbed the regeneration stage (RUBP).

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C9H8O4 + NaOH = C9H7O4Na + H2O, which is the same reaction, is a balanced chemical equation that describes an acid-base reaction that enables you to calculate the moles of aspirin contained in a sample.

Acetylsalicylic acid is simply known by its common name, aspirin. It is a benzoic acid that has had an acylated alcohol (really a phenol) function substituted in the ortho position. As a result, there are two possible reactions that might happen when aspirin and NaOH are combined: the quicker reaction is the deprotonation of the acid function, which results in sodium acetylsalicylate. In fact, several aspirin formulations contain this ingredient.

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A domain is atomic if elements of the domain is considered indivisible units that is cannot be divided in parts.

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The heat that enters or leaves the system is determined by the enthalpy change that takes place during a reaction. whether there is a rise in the system's enthalpy.

Kidney stones are frequently linked to calcium oxalate crystals, which can develop when the body has an excessive amount of oxalate (found in foods like spinach). Severe groin or stomach discomfort, nausea, fever, and problems urinating are all signs of kidney stones.

In healthy adults who consume 800 mg of calcium per day, two to twenty percent of the oxalate they consume is absorbed in their digestive tracts. The most effective moderator of oxalate absorption is calcium.

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A white solid precipitate is created when silver nitrate (AgNo3) and barium chloride (BaCl2) are combined.

The main distinction between a balanced equation and a net ionic equation is that a balanced equation displays all of the system's reactions together, but a net ionic equation just displays the net reaction that followed the conclusion of a given reaction.

Similar charges repel one another (positive to positive or negative to negative). A neutral item is one that typically has an even mix of positive and negative charges. Negative and positive charges in an item must balance out for static electricity to occur.

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The wavelength of the wave having a frequency of 5.00×10¹⁴ s⁻¹ is 6×10⁻⁷ m

We know that the velocity is related to wavelength and frequency according to the following formula:

Velocity (v) = wavelength (λ) × frequency (f)

v = λf

Thus, with the above formula, we can determine the wavelength. Details below:

Velocity (v) = wavelength (λ) × frequency (f)

3×10⁸ = wavelength × 5.00×10¹⁴

Divide both sides by 5.00×10¹⁴

Wavelength = 3×10⁸ / 5.00×10¹⁴

Wavelength = 6×10⁻⁷ m

Therforee, the wavelength is 6×10⁻⁷ m

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In the reaction between bleach and dye, the bleach was excess relative to the dye.

bleach is used for bleaching of cotton and linen in textile industry and also used as bleaching wood pulp in paper industry,  bleaching washed clothes in laundry.

It is the main constituent of a  solution which constitute ~3-6% sodium hypochlorite (NaOCl), is a mixed with small amounts of sodium hydroxide, hydrogen peroxide, and calcium hypochlorite.

Chlorine bleach is a  type of base and especially good at removing stains and dyes.

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And let us address the bottle capacity....and this is given by the product. We know that, 1ml= 10⁻³ L

126,515 × 0.335 L =   42382 .525 L and it is the the bottle capacity.

The number of bottles you need is given by

33500/ 0.355=  9436 Bottles and there are enough caps . The limiting quantity is the beverage and there are  reserve bottles and caps for the breakages and the failed seals that will undoubtedly occur.

Having brewed beer, ginger beer, or other beverages at home (and this is something that it is easy to do, and you get VERY good results). Most of the time, the bottles are the finite resource. You must gather, carefully clean, and disinfect each bottle.

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The Lewis structure can be used to identify the following traits. Considering one,

H₃N + BF₃ ———> [H₃N—->BF₃]

The valence shell electrons of a molecule are depicted in a highly condensed manner in a Lewis structure. It serves as a visual representation of the electron arrangements surrounding specific atoms in molecules. In bonds involving two atoms, electrons are shown as lines or as "dots" respectively.

A molecule's Lewis structure reveals how many valence electrons are attached to each atom. The Lewis structure of a molecule can be used to infer a lot of significant information. These details include, among others;

Each atom in the molecule has a certain number of valence electrons attached to its valence shell.

The molecule's type of bonding

Whether the atoms in the molecule follow the octet rule or not

Potential resonance configurations that the molecule might have

whether or not atoms in the molecule have lone pairs of electrons.

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