what is the net ionic equation when a solution of silver nitrate is mixed with a solution of sodium phosphate?

[tex]Al^{3+}[/tex] is considered as strongest lewis acid among the following.

A stronger acid, in contrast to a stronger Lewis acid, has a reduced [tex]pK_{a}[/tex] value and a stronger propensity to take a pair of electrons, according to Bronsted and Lowry. Therefore, it is possible to think of the ionization potential, electron affinity, electronegativity, and electrophilicity as indicators of a Lewis acid's strength.

Lewis acids are thought to be entities that lack electrons. Lewis bases are regarded as electron-rich species. More positive charge means more electron shortage, which increases acidity.

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There are a total of 10 valence electrons in the C2²⁻Lewis structure. Each carbon atom contributes four valence electrons, while the second atom adds two more for a total of 10 valence electrons. The two Carbon atoms' octets in the Lewis structure of C2²⁻ must be filled with a triple bond.

How many unpaired electrons are in C2²?

There aren't any unpaired electrons in it.

How many electrons are present in C2²?

Twelve electrons make up the C2 molecule.

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Answer: control rods regulate the rate of fission; graphite, carbon dioxide and water are usually chosen; they increase the chances of the molecules bombarding each other by slowing them down

Explanation: water is more practical because it acts as a coolant and as a heat exchanger.

Chyme and pancreatic secretions are combined in the duodenum in an alkaline that is high in bicarbonate, which balances the chyme's acidity and serves as a buffer.Several digestive enzymes are also present in pancreatic secretions.

Duodenum.The small intestine gets digestive juices from the liver, gallbladder, and pancreas as well as other digestive system organs to assist in breaking down food.These organs' ducts feed into to the duodenum.

In reaction to acidic chyme, the duodenum releases secretin.

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Radiation is a type of heat transfer that occurs via vacuum, negating the requirement for a physical medium.

Energy that emanates from a source and moves through space at the speed of light is referred to as radiation. This energy has wave-like qualities and is accompanied by an electric field and a magnetic field. Radiation may also be referred to as electromagnetic waves.

As a mutagen, radiation has the potential to eventually cause cancer. Radiation has the power to kill cells or harm the DNA within them, which impairs the cells' capacity for reproduction and may ultimately result in cancer. High energy particles flow through your body when radiation is present.

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One of the three main ways that heat conduction can be delivered is by thermal radiation. Convection and conduction are the other two methods, both of which require matter to transmit heat.

Energy who departs a source and moves via space at the rate of light is referred to as radiation. This energy has wave-like characteristics, and a magnetization and electrical potential complete it. Electromagnetic waves can sometimes be referred to as "radiation."

It can be made artificially or by unstable nuclei disintegrating radioactively. From its source, radiation sends vibrational frequencies or particles in all directions. There are several different forms of energy, each with its own properties and effects.

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The pH change for the given acidic buffer solution is 0.22.

HClO and ClO- is an acidic buffer, and with addition of HI, the concentration of acid increases while the concentration of salt decreases.

pH=pKa +log (salt/acid)

=7.54+log (0.326/0.369)

=7.54-0.05

=7.49

On adding Hydrogen iodide,

pH=pKa+ log((0.326-0.085)/(0.369+0.085))

=7.54+log (0.241/0.454)

=7.54-0.27

=7.27

Thus, the value of pH change cab be calculated as follows:

=7.27-7.49

=0.22

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Answer:

During most oil spills, seabirds are harmed and killed in greater numbers than other kinds of creatures. Sea otters can easily be harmed by oil, since their ability to stay warm depends on their fur remaining clean.

Filtration can be used to separate the water-soluble acetic acid from the aspirin. The limiting reagent will be salicyclic acid.

How can we determine the limiting reagent?

By dividing the volume of each solution by its molarity, you can determine how many moles of each reactant there are. By subtracting the number of moles of each reactant from its stoichiometric coefficient in the balanced chemical equation, you may determine which reactant is the limiting one.

How many grams of aspirin were created during the process of making it?

This resulted in an estimated value of 3.029 grams for crude synthesized aspirin. The final aspirin product's calculated mass after purification was 2.169 grams. A theoretical yield of 2.520 grams was computed.

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Thus one concludes that the answer is  S2F10, the molecular formula of SxFy. There are five compounds in the family of sulfur–fluorine compounds with the general formula SxFy.

The empirical formula must be SF5, according to a typical analysis. S2F10 is the most likely candidate as a result. S2F10 has a 254 g molar mass. So,.0955 g is equal to.000376 moles. The ideal gas law (PV = nRT) can be used with n =.000376, V =.089 L, and T = 318K to calculate the pressure if it is assumed that S2F10 would be in the gas phase at 45C. The outcome is roughly.11 atm, or 83.6 mmHg. Nearly 83.8 is where this comes in. Thus, it is determined that the response is S2F10. The empirical formula's conventional analysis is as follows: Consider a sample of 100 g. The sample's Sulfur content would be 25.23 g as the%S is 25.23. Given that S has a molar mass of 32,  this is .788 mole S.    The remaining 74.8 g is F.   Since the molar mass of F is 19,   this is 3.93 moles F.   The ratio  3.93 / .788 ~ 5  ,  so the empirical formula is  SF5.    An molecule with an odd number of F  would have an unpaired electron - not likely.

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We know that,

Acid is a compound,  molecule or the entity that can donate a proton or accept an electron pair in reactions.

Base is a compound, molecule or the entity that can donate an electron pair in reactions.

In water, base solution is slippery to the touch, tastes bitter, changes the color of indicators.

Salts are chemical compounds that are consisting of an ionic assembly of positively charged cations and negatively charged anions.

Salts are produced by the reaction of an acid with a base and the reaction between an acid and a base is called a neutralization reaction.

HF is a acid

[tex]Ca(OH)_{2}[/tex] is a base

[tex]NH_{4}Cl[/tex]  is a salt

NaF is a base

[tex]CaCl_{2}[/tex] is a salt

[tex]H_{2} C_{2} O_{4}[/tex], oxalic acid is an acid

RbOH is a base

[tex]H_{2} SO_{3}[/tex] is an acid

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The change in enthalpy is -1380 kJ. The amount of heat released or absorbed during a reaction that takes place under constant pressure is referred to as the enthalpy change.

The difference in enthalpy between the reactants and products is measured by the change in enthalpy of a reaction. The energies required to build new chemical bonds and break existing ones are what determine a system's enthalpy. The enthalpy change that occurs during a reaction is the heat that enters or exits the system. An important aspect that affects whether a reaction may occur is whether the enthalpy of the system increases (i.e., because energy is added) or lowers (i.e., because energy is given off). Enthalpy is a state function, therefore the amount of enthalpy that changes throughout a reaction depends only on two factors: the masses of the substances that are reacting and the physical states of the reactants and products. It is independent of how reactants are transformed into products.

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What is the change in enthalpy in kJ when 2.30 mol of Mg is completley reacted according to the following reaction

2Mg(s) + O2(g) > 2MgO(s)

Delta H = -1204 kJ

Answer:

b. CO

Explanation:

Covalent bonding involves the sharing of electrons between two or more atoms (mostly non-metals)

The other 3 are ionic bonds (metal and non-metal)

NH4+ is the conjugate acid of NH3.

NH4+ is conjugate acid because it NOW has protons to release back to NH3 (base).

A conjugate acid, within the Bronsted–Lowry acid–base theory, is a chemical compound formed when an acid donates a proton (H +) to a base—in other words, it is a base with a hydrogen ion added to it, as in the reverse reaction it loses a hydrogen ion.

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Hydrogen bonds are formed between neighboring water molecules' hydrogen and oxygen atoms. The attraction between individual water molecules results in the formation of a bond known as a hydrogen bond.

A water molecule comprises two hydrogen atoms. Both of these atoms are capable of creating hydrogen bonds with the oxygen atoms of different water molecules. The greatest number of hydrogen bonds that can be formed by a water molecule is three.

The coordination geometry of oxygen is based on a tetrahedral arrangement of electron pairs, while water has four electron pairs. There are two lone pairings because there are only two bound groupings.

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The IUPAC refers to the substance as methanoic anhydride. It is an anhydride of formic acid or methanoic acid.

Answer and justification The longest carbon chain in the above diagram has seven carbon atoms, as can be observed. The IUPAC nomenclature for this compound is heptane since all of the bonds are single bonds devoid of any functional groups.

Halogens are always regarded as substituents and are added as a prefix to the name of a compound when naming it. Thus, 3-chloro-4-methylhexane is the compound's IUPAC designation.

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In the mentioned pair, the species

[tex] {Cu}^{2+} [/tex] is stronger Lewis acid.

To determine the strength of Lewis acid, firstly we need to understand the definition of Lewis acid. Based on definition, Lewis acid is an electron pair acceptor.

Now, interpreting the information of given species of Copper. The one positive sign indicates deficiency of one electron and two positive signs indicates deficiency of two electrons. Based on this, the [tex] {Cu}^{2+} [/tex] will require two electrons and hence will be stronger Lewis acid.

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The formula for the conjugate acid of NO3 is HNO3-.

The formula for the conjugate base of NHy+ is NHy.

According to the Bronsted-Lowry acid-base theory, a conjugate acid is a chemical molecule that is created when an acid donates a proton (H+) to a base; in other words, it is a base that has had a hydrogen ion added to it, as in the opposite reaction, the base loses a hydrogen ion. A conjugate base, on the other hand, is what remains after an acid donates a proton during a chemical process. Therefore, a conjugate base is a species created by removing a proton from an acid because it can gain a hydrogen ion in the opposite reaction. [1] The conjugate base of an acid may also be acidic since some acids have the capacity to release numerous protons.

The formula for the conjugate acid of NO3 is HNO3-

The formula for the conjugate base of NHy+ is NHy

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when a non-volatile solute is added to a volatile solvent, the vapor pressure of the solvent is reduced Because solute molecules occupy some of the surface sites. As a result, there is less room for the solvent molecule to vaporise.

nonvolatile solute is a material that doesn't vaporise easily. Furthermore, when dissolved into a solvent, it has no impact on the solution's vapour pressure. What exactly is indeed a nonvolatile liquid? Volatile and non - volatile liquids have a low moisture content and a large melting point. Non-volatile substances involve: Non-volatile substances are those that don't vaporise quickly. At normal room temperature and pressure, they don't have a higher vapour pressure. At ambient temperature, nonvolatile substances are mostly solids. Dissolved compounds include sodium chloride and silver nitrate. Water, with a boiling temperature of 100 degrees Celsius, is an excellent example of a non-volatile liquid. This is due to the influence of strong hydrogen bonds between molecules of water, as previously discussed. Mercury is a non-volatile liquid as well.

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The lewis structure shape of PF4+ is tetrahedral with the positive charge on phosphorus atom.

A Lewis Structure is a greatly condensed illustration of a molecule's valence shell electrons. It is used to display how the electrons are positioned around particular molecules' atoms. When two atoms are bonded together, electrons are depicted as "dots" or as a line. The tetrahedral that describes how atoms share electrons so that each atom has eight electrons in its outer shell. This idea is the foundation of a Lewis structure. An oxygen atom, as an illustration, has six electrons in its outer shell. The removal of one electron from its valence shell causes it to become positively charged. tetrahedral has four covalent connections, the central phosphorus atom is joined to four fluorine atoms. Therefore, Lewis Structure if we examine the phosphorous There are five valence electrons in phosphorus. It has four bonds at this place. There is no electron lone pair on the phosphorus atom in the PH+4 ion. It has a tetrahedral structure with a 10928′ bond angle. PH4+ assumes tetrahedral geometry with a bond angle of 109° 28' since there is no lone pair-bond pair repulsion and there are four identical bond pair-bond pair interactions.

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The vapor pressure at 52.8 °C is 100.5 torr.

From the clausius clapeyron equation.

   ln [tex]\frac{p2}{p1}[/tex]  = ₋ ΔHvap / R  ×  [[tex]\frac{1}{T}[/tex]₂ ₋[tex]\frac{1}{T}[/tex]₁]

Where P₂ = vapor pressure at 52.8 °C = ?

P₁ = vapor pressure at 14.8 °C = 10 torr

ΔHvap = Heat of vaporization of 1-propanol = 47.2 KJ/mol

R = gas constant  =  8.3194 × 10⁻³ KJ mol K⁻¹

T₂ = 52.8°C = 325.8 K

T₁ = 14.7°C = 287.7 K

ln P₂ - ln 10.0 = - 47.2 (KJ/mol) / 8.3194 × 10⁻³ KJ mol K⁻¹  × [[tex]\frac{1}{325.8 K}\\[/tex] - [tex]\frac{1}{287.7 K}[/tex]]

ln P₂ = 4.610

∴ P₂ = 100.5 torr

So, the vapor pressure of 1-propanol at 52.8 °C is 100.5 torr.

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A)CH4: Increase, H2S: Increase, CS2: decrease, H2: decrease, B )CH4: Increase, H2S: Increase, CS2: decrease, H2: decrease, c) CH4: no change , H2S: no change , CS2: no change , H2: no change  At the temperature the engineer picks, the equilibrium constant K, for this reaction is 1.8 x 10". The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin.

A)

Equilibrium Quotient expression is

Qp = p(CS2)*p(H2)^4/p(CH4)*p(H2S)^2

= (6.61^1)*(10.1^4)/(6.58^1)*(1.39^2)

=5.4*10^3

comparing Q and k, since Q is greater than K

reaction will move in backward direction

Answer:CH4: Increase, H2S: Increase, CS2: decrease, H2: decrease

B)

Equilibrium Quotient expression is

Qp = p(CS2)*p(H2)^4/p(CH4)*p(H2S)^2

= (6.75^1)*(10.63^4)/(6.44^1)*(1.12^2)

=1.1*10^4

comparing Q and k, since Q is greater than K

reaction will move in backward direction

Answer:CH4: Increase, hydrogen sulfide: Increase, CS2: decrease,H2: decrease

C)

Equilibrium Quotient expression is

Qp = p(CS2)*p(H2)^4/p(CH4)*p(H2S)^2

= (6.97^1)*(9.95^4)/(7.96^1)*(2.21^2)

=1.8*10^3

comparing Q and k, since Q is equal to K

Answer: methane : no change , H2S: no change , CS2: no change , H2: no change

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A volatile liquid is a liquid that readily evaporates and converts to gas. Volatile liquids are those that readily transition into their vapour state at a specific temperature.

At room temperature, a volatile liquid is one that vaporizes or evaporates quickly. Vaporizing liquids like ethanol, gasoline, and ether are examples of volatile liquids. Condensation, in which water vapour transforms into liquid water, is the opposite of evaporation. Steaming water evaporates into the atmosphere. The rate of evaporation is measured annually at several locations by the National Weather Service in the United States. The rate of evaporation was discovered by scientists there. Condensation, in which water vapour transforms into liquid water, is the opposite of evaporation. Steaming water evaporates into the atmosphere.

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Step 1: Use bond lines to draw the shape of 2-chlorohexan-3-ol.

Step 2: Find the centers of chirality.

C-2 and C-3 are the two chiral centers. So, there are 4 stereoisomers for each of the 22 molecules.

Step 3: Change the structure of the bond lines into four structures of wedge-dashes.

The combinations will be WW, WD, DW, and DD (W is a wedge, and D is a dash).

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Accordingly, the majority of the bonds in the molecule, tin (ii) sulfide, are covalent, accounting for around 90% of the bonds. An extremely thin anode interlayer is used in organic photovoltaics by the compound tin(II) thiocyanate, Sn(SCN)2.

Stannic sulfide, tin disulfide, and tin bis(sulfanylidene) are examples. EC number: 215-252-9; CAS number: 1315-01-1. A chemical compound is tin(II) sulfate. SnSO4 is its atomic number. Tin and sulfate ions can be found in it. The chemical element tin has the atomic number 50 and the letter Sn for its symbol. At room temperature, tin is solid and is categorized as a post-transition metal. In order to create Tin dioxide and two molecules of hydrogen gas, Tin combines with two molecules of water, which are really in the form of steam. A reminder: Acids and alkalis corrode tin.

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The total change in 2 years is likely to be -3 2/3mg/L.

Here given that ,

They discovered that the chloride concentration changed by -1 3/5 mg/L the first year.

The chloride concentration is expected to change in -2 1/15mg/L over the next year.

To determine: What is the total change that is likely to occur in two years?

To find the solution,

During the first year, the chloride concentration changed by -1 1/3

= -8/5mg/L.

The chloride concentration will change in -2 1/15 = -31/15 mg/L  over the next year.

The total change that is likely to occur in the next two years is

-8/5 + (-31/15)

= (-24 - 31 ) / 15

= -55/15

= -11/3

-3 2/3mg/L in a mixed fraction.

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Make sure to address each question. Just at negative electrode during the electroplating process BaI2, barium is created.

Chemical element barium (Ba), an alkaline-earth metal belonging to 2 groups (IIa) of the chemical chart. The substance is utilized in metallurgy, and pyrotechnics, petroleum, and radiology all make use of its constituents. Barium is indeed a dry, white, powdery powder that is combined with water to form barium liquid.

The oil and gas sectors use barium compounds to create drilling mud. By lubricating the drill, drilling mud makes drilling through rocks easier. Barium compounds are used to produce paint, bricks, tiling, glass, and rubber. Fireworks have a green color thanks to barium nitrate and clorate.

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Molecular orbital energy is the energy associated with each electron in an atom or molecule.

It is expressed in electron volts (eV) and is determined by the electron's position in the atom or molecule. The molecular orbital energy diagram and fill-in the electrons are given here in each case, the number of valence electrons in the species is determined first; this is followed by the valence molecular orbital diagram for each species.

C2+: Molecular Orbital Energy Diagram

1s2 2s2 2p2

σ2s*  ← 0 e-  

σ2s   ← 2 e-

σ2p*  ← 0 e-  

σ2p   ← 0 e-

π2p*  ← 0 e-  

π2p   ← 0 e-

Bond Order: 0

Stability: Unstable

Magnetism: Diamagnetic (no unpaired electrons)

O2-: Molecular Orbital Energy Diagram

1s2 2s2 2p4

σ2s*  ← 0 e-  

σ2s   ← 2 e-

σ2p*  ← 0 e-  

σ2p   ← 2 e-

π2p*  ← 0 e-  

π2p   ← 2 e-

Bond Order: 1

Stability: Stable

Magnetism: Paramagnetic (2 unpaired electrons)

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Furan is an aromatic compound because it has a cyclic conjugated structure that allows the molecule to delocalize its electrons.

This delocalization gives the molecule a stable structure and makes it highly resistant to chemical reactions.

An aromatic compound is a type of organic compound that contains a ring of atoms with alternating single and double bonds. This ring is made up of carbon and hydrogen atoms and is held together by a special type of strong bond called a pi bond. Aromatic compounds are usually aromatic in nature, meaning they have a pleasant smell. Examples of aromatic compounds include benzene, toluene, and xylene.

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The Lewis structure for bromoethane, C2H5Br, would be as follows:

       Br

      /

C - C - H

      \

       H

       H

       H

The carbon atoms are bonded to each other, with one carbon atom bonded to a bromine atom and the other bonded to three hydrogen atoms. The bromine atom has one lone pair of electrons.

Note: Lewis structures are used to represent the chemical bonds and lone pairs of electrons in a molecule. They are based on the sharing of electrons between atoms in a molecule, with each bond represented by a line and each lone pair of electrons represented by a pair of dots.

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The element of the group 17 that is most active non metal is fluorine.

The group 17 of the periodic table contains bromine(Br), iodine(I), Chlorine(Cl) and fluorine(F).

Among all the elements of the group 17. Fluorine is the smallest in size.

Because of the small size of fluorine it has the highest electronegativity in group 17.

This high electronegativity makes it a very active non metal. It provides a very high oxidizing power and low dissociation energy to the fluorine atom.

Also because of the very small size the source of attraction between the nucleus and the electrons is very high in floor in atom.

It reacts readily to form oxides and hydroxides.

So, we can conclude here that fluorine is the most active non metal of group 17.

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