Which of the following geometries for the complex ion [Fe(en)Cl4]? are possible?
linear
trigonal bipyramidal or square pyramidal
octahedral
trigonal planar
tetrahedral or square planar

The balance equation for the given equation is,

2BF3 + 3Li2SO3 → B2(SO3)3 + 6LiF

Lithium fluoride is an inorganic compound with the chemical formula LiF. It is a colorless solid, that transitions to white with decreasing crystal size. Although odorless, lithium fluoride has a bitter-saline taste.

Its structure is analogous to that of sodium chloride, but it is much less soluble in water. It is mainly used as a component of molten salts.

Formation of LiF from the elements releases one of the highest energy per mass of reactants, second only to that of BeO.

Fluorine is produced by the electrolysis of molten potassium bifluoride. This electrolysis proceeds more efficiently when the electrolyte contains a few percent of LiF, possibly because it facilitates formation of an Li-C-F interface on the carbon electrodes.

A useful molten salt, FLiNaK, consists of a mixture of LiF, together with sodium fluoride and potassium fluoride.

The primary coolant for the Molten-Salt Reactor Experiment was FLiBe; LiF-BeF2 (66-33 mol%).

The given equation is:

BF3 + Li2SO3 → B2(SO3)3 + LiF

# atoms in Reactants                        # atoms in Products

B = 1                                                              B = 2

F = 3                                                              F = 1

Li = 2                                                             Li = 1

S = 1                                                               S = 3

O = 3                                                             O = 9

In order to balance the unequal distribution of atoms, multiply BF3 by 2, Li2SO3 by 3 and LiF by 6 to get:

2BF3 + 3Li2SO3 → B2(SO3)3 + 6LiF

Coefficient of LiF = 6

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This unit is explained as the work of a driving force of a newton whose point of application moves one meter in the direction of the force

1. The work done by the gas is 425,565 Joules

2. The change in internal energy of the gas is 637,171 Joules

1. W = P (V2 - V1) difference of v1 and v2.

P = 1 atm = 101325 N/m^2

V2 = 16.2 m^3

V1 = 12 m^3

W = 101325(16.2 - 12) = 101325 × 4.2 = equal to 425,565 Joules

2. ∆U = Q - W

Q = 254 kcal = 254×4184 = 1,062,736 Joules

now, Q is equal to 1,062,736 joules

∆U = 1,062,736 - 425,565 = 637,171 Joules

So, U is equal to 637,171 joules.

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The equilibrium constant for the given reaction is 1.05.

The formula for equilibrium constant is as follows

E° cell= E°cathode- E°anode

So we will find E°cathode as follows

E° cathode = 0.8698 V

and E°anode will be found as  

E°anode= -0.04V

By putting the value of E°anode and E° cathode we will get the value of E° cell the solution is a sfollows

E°cell=0.8698 V - (-0.04V)

E°cell= 0.9098 V

E°cell= 0.0592/n logK

From the balanced redox reaction equations above,

n=3

0.9098 V= 0.0592/3 logK

By separating logk as indicated below

logK= 0.0217

Now separating the k by taking log to the RHS by making log as antilog

K= Antilog (0.0217)

So the value of k is as follows

K= 1.05

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The people should read the book. Because In the films, most characters were changed from the book to suit the film's plot-line or to make the characters more likable or dislikeable.

In comparison to other cinematic adaptations, the Lord of the Rings films are more true to J.R.R. Tolkien's works. However, there are a number of significant and numerous small deviations from the books in the movies, and many ardent book fans claim that the movies don't even remotely reflect the books.

Most characters from the books were altered for the movies to better fit the storyline or to make them more likeable or unlikable. The corruption brought about by Sauron or his Ring is reflected in a few of these modifications.

The Lord of the Rings novels and films are incredibly popular. The fans of both stories adore both of them very much. The movies, however, somewhat outperform the novels.

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The chemical equation is a multiple of the empirical formula, which is CH2O. Explanation: a 100 g unknown substance.

image outcome

In a hydrocarbon, carbon makes up 92.3% of the mass and hydrogen makes up 7.7%. The compound's empirical formula will be revealed. HCHC5, HCHC3.

Protein makes up 72% of soy beans. Protein content for grains is 38%, 8% for rice, and 52% for wheat. The soybean has the highest protein level of the available alternatives. As a result, it has the most protein.

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The chemical equation is a multiple of the empirical formula, which is CH2O. Explanation: a 100 g unknown substance.

In a hydrocarbon, carbon makes up 92.3% of the mass and hydrogen makes up 7.7%. The compound's empirical formula will be revealed. HCHC5, HCHC3.

Protein makes up 72% of soy beans. Protein content for grains is 38%, 8% for rice, and 52% for wheat. The soybean has the highest protein level of the available alternatives. As a result, it has the most protein.

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The correct order for Ionic radii in decreasing order in the following order: P3- > S2- > Cl- > K+ > Ca2+.

Here, we see that all species have the same number of electrons—each has 18 electrons—after gaining (in the case of anions) or losing (in the case of cations) the appropriate number of charges over them.

So, in this case, the electrostatic force between the nucleus and the shell-bound electrons is used to determine the ionic radius.

For example, a nucleus with more protons will have a stronger electrostatic force and a smaller ionic radius.

Ionic radii are in decreasing order in the following order: P3- > S2- > Cl- > K+ > Ca2+

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The volume of a saturated solution of Min hexane that would contain 40 mg of Mat this temperature 0.527 mL

You may calculate the solute's mass by multiplying its volume by its concentration: mass of solute = volume of solution * concentration of solution * 0.500 L * 14.5 g L = 7.25 g 7.25 g of sodium chloride were dissolved in water.

Organic compound O has a determined solubility in hexane of 0.758 g/mL at 20 °C.

We must determine how many mL contain 40 mg.

Now, 1 mL contains 758 mg.

as a result, 40 mg is in

0.5805 mL of solution is equal to 40/758.

= 0.527 mL

The volume of a saturated solution of Min hexane that would contain 40 mg of Mat this temperature 0.527 mL

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The balanced reaction equation is; [tex]2Ca(OH)_{2} + 2Cl_{2} ----- > Ca(ClO)_{2} + CaCl_{2} + 2H_{2} O[/tex]

We have to note that when we are talking about the reaction equation, what we mean is how the reactants and the products are able to exists in the system.

For the reaction, the species that we find at the right hand side are called the reactants that are in the system while the species that we find on the left hand side are called the products of the reaction. Thus, the balanced reaction equation is shown above.

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Atomic configuration refers to the arrangement of electrons in an atom, specifically the distribution of electrons in the various energy levels and orbitals. Every element has a unique atomic configuration that determines its chemical and physical properties.

Electron configuration is the arrangement of electrons in an atom or molecule in atomic or molecular orbitals. It describes the number of electrons in each energy level and the distribution of electrons in the sub-shells (s, p, d, f) within each energy level. The electron configuration of an atom can be represented by a set of quantum numbers or by a notation that uses the symbol of the element, followed by the number of electrons in each sub-shell.

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Given that it has 4n + 2π electrons, the chemical is an aromatic compound. As a result, it meets the requirements for an aromatic compound and can be classified as such.

The main distinction between an aromatic molecule, an antiaromatic molecule, and a nonaromatic molecule is that an aromatic molecule has a delocalized pi electron system with (4n + 2)π electrons, while an antiaromatic molecule has a delocalized pi electron system with 4n electrons. A nonaromatic molecule does not have a delocalized electron system.

Examples of non-aromatic compounds include those that lack the benzene ring. These compounds include alkanes, alkenes, alkynes, and cycloalkanes. The only elements in alkanes (the simplest type of hydrocarbon) are carbon and hydrogen.

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The blank column under the category of plasma corresponds the characteristics that, it is made of charged particles.

Plasma is the fourth state of matter. It is composed of charged particles that is electrons and ions. It is the most prevalent type of ordinary matter in the universe and is mostly linked to stars.

Plasma may be created intentionally by heating a neutral gas or exposing it to a strong electromagnetic field, and it extends to the rarefied intracluster medium and perhaps to intergalactic areas. 

Plasma is electrically conductive due to the existence of charged particles, and the dynamics of individual particles and macroscopic plasma motion are controlled by collective electromagnetic fields.

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Answer: c

Explanation:

The symbol of a non-metal in group 1 of the periodic table is hydrogen (H). Hydrogen is unique in that it is the only non-metal in group 1, also known as the alkali metal group.

The other elements in this group, such as lithium (Li), sodium (Na), potassium (K), and so on, are all metals. Hydrogen is also the lightest element on the periodic table and is highly reactive due to its single valence electron. It is a key component of many compounds and plays an important role in various chemical reactions and industrial processes such as the production of ammonia, methanol and hydrogen fuel.

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The symbol of the non metal that is placed in the group 1 with alkali metals is the element hydrogen with the symbol H. The hydrogen is the non metals.

The element placed in the group 1 in the periodic table is the alkali metals. The group 1 elements are the metals. the only element which is not a metal that is a non metals is the Hydrogen. The hydrogen is the non metal and place with alkali metals in the group 1 because the electronic configuration of the hydrogen is same as the alkali metals.

Thus, the non metal that is place in the group 1 is the Hydrogen with the symbol H.

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The answer of this question is shown below in the image with proper structural representation.

To recognize the chiral middle, search for the wedge and sprint bonds as commonly those are the ones indicating a chiral center. One vital issue to remember, a carbon with a double bond cannot be a chiral center as it does no longer have four extraordinary companies.

wedge-and-dash (uncountable) (chemistry) a technique of representing the three-dimensional shape of a molecule in which simple lines constitute bonds within the aircraft of the image, wedge-formed lines represent bonds toward the viewer, and dashed strains represent bonds faraway from the viewer.

Prioritize the four atoms, or agencies of atoms, attached to the chiral center based on the atomic quantity of the atom this is bonded directly to the chiral center. The higher the atomic variety, the higher the priority.

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When the rates of the forward and reverse reactions are equal, a chemical reaction has reached equilibrium.

When the rates of the forward and reverse reactions are equal, a system is said to be in equilibrium. The rate of the forward reaction increases with the addition of more reactants. It appears that the equilibrium is shifting toward the product, or right, side of the equation because the rate of the reverse reaction remains unchanged at first. A stage is reached when a reversible reaction is conducted in a closed system where both the forward and backward reactions move at the same rate. Every reaction strives to reach a state of chemical equilibrium, which is the point where both the forward and reverse processes are occurring at the same rate. The concentrations of the reactants and products are constant at equilibrium because the forward and reverse rates are equal.

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The number of grams of hydrogen gas in 2600 ml container at 35 degrees celsius and a pressure of 165 mmHg is 0.045g.

The mass of a substance can be calculated by multiplying the number of moles of a substance by its molar mass.

However, the number of moles of the substance must first be calculated as follows:

PV = nRT

Where;

0.217 × 2.6 = n × 0.0821 × 308

0.5642 = 25.29n

n = 0.5642 ÷ 25.29

n = 0.0223 moles

molar mass of hydrogen gas = 2g/mol

mass of hydrogen gas = 0.0223 × 2 = 0.045grams

Therefore, 0.045grams is the mass of hydrogen gas.

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the equation gibbs free energy ΔG = ΔH - TΔS, where ΔG = -25.134x + 165 and ΔH = 165, to calculate the value of ΔS. We can rearrange the equation to ΔS = (ΔH - ΔG)/T and plug in our values to get ΔS = 190.134/x.

ΔG = ΔH - TΔS

ΔG = -25.134x + 165

ΔH = 165

TΔS = 25.134x

ΔS = (ΔH - ΔG)/T

ΔS = (165 - (-25.134x))/x

ΔS = (165 + 25.134x)/x

ΔS = 190.134/x

For x = 1 (T = 1 K):

ΔS = 190.134/1

ΔS = 190.134 kJ/mol-K

Therefore, ΔS = -50.27 kJ/mol-K.

We can use the equation gibbs free energy ΔG = ΔH - TΔS, where ΔG = -25.134x + 165 and ΔH = 165, to calculate the value of ΔS. We can rearrange the equation to ΔS = (ΔH - ΔG)/T and plug in our values to get ΔS = 190.134/x. For x = 1 (T = 1 K), we get ΔS = 190.134 kJ/mol-K, so the value of ΔS is -50.27 kJ/mol-K.

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The value of the bond energy X in the reaction is 81 kJ/mol.

We know that the bond energy of the substance has to do with the energy that would have to be supplied so as to break the bond that is in the substance. This is also the energy that we would need so as to be able to form the bond.

Let us all now recall that we can be able to obtain the enthalpy of the reaction from the bond energies of the reactants and the products in the reactants in which case we would have;

Sum of bond energies of the reactants - Sum of bond energies of the products

56 = [5(413) + 339] - [431 + 4(413) + X + 346]

56 = (2065 + 339) - (2429 + X)

56 =  2429 - 2404  - X

X = 81 kJ/mol

Thus, we can see that the bond energy of the carbon carbon double bond as we can see is 81 kJ/mol.

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The empirical formula mass of the compound CH₂O is 30g and the molecular weight is 180.156 g/mol. Then the molecular formula is C₆H₁₂O₆.

Empirical formula of a compound is derived from the number of moles of each element in the compound. The formula mass is the sum of masses of atoms in the empirical formula.

Dividing the formula mass with the molecular mass and multiply the empirical formula with the obtained integer will give you the molecular formula of the compound.

Given that, molecular mass = 180.156  g/mol

formula mass = 12 + 2 + 16 =30 g

Then, 180.156/30 = 6

multiply CH₂O with 6 we obtain the molecular formula as C₆H₁₂O₆.

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A pi bond is the result of the d) sideways overlap of two parallel p orbitals.

Pi bonds are bonds that occur as a result of overlapping orbitals of atoms that are not in the bond axis. Each p orbital that contributes to a pi bond has two lobes and has a node at the core.

The pi orbital can hold a maximum of two pairs of electrons. Whereas each electron in a pi bond is also called a pi electron, the pi electrons are used for double bonds or triple bonds. The 2p orbital of carbon has slightly higher energy than the sp2 orbital, so the pi bond formed from two 2p orbitals has somewhat higher energy and is slightly less stable than the sp2-sp2 sigma bond.

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Answer:

The experiments were conducted in sealed containers.

Physical changes include freezing ice cream whereas digesting food and whipping cream are chemical changes. Coarseness is a physical property reactivity and basicity are chemical property.

Examples of physical change include changes in the size or shape of matter. Changes of state, for example, from solid to liquid or from liquid to gas, are also physical changes. Some of the processes that cause physical changes include cutting, bending, dissolving, freezing, boiling, and melting.

Research shows that students frequently use the term chemical change to describe changes in physical state. Freezing and boiling are considered to be examples of chemical reactions.

Digestion of food is a chemical change because the large macromolecules are broken down into simpler molecules by the enzymes present in the stomach and the intestines. It is a chemical change because it involves various chemical reactions.

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The molar mass of calcium hydroxide, Ca(OH)₂ is 74.10 g/mol. The moles of the K₂SO₄ is 0.086 mol . The grams of the glucose is 639 g.

The molar mass of the Calcium oxide , Ca(OH)₂ is :

Ca(OH)₂ = 40 + 2( 15.99 + 1 )

              = 74.10 g/mol

The moles of the  K₂SO₄ in the 15 g of the  K₂SO₄ :

Moles = mass / molar mass

Moles = 15 / 174.25

Moles = 0.086 mol

The moles of the glucose, C₆H₁₂O₆ = 3.55 mol

The mass of the glucose = moles × molar mass

                                         = 3.55 × 180

                                         = 639 g

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Answer:

8 protons and electrons.

Explanation:

oxygen-17 has 8 protons and electrons.

# neutrons = mass # - #protons.

So, in oxygen-17, # neutrons = 17 - 8 or 9.

Oxygen-17 has 8 protons, 8 electrons, and 9 neutrons.

If the battery is defined as the system, the sign on w in part (b) is  w < 0

A battery is a source of electrical energy consisting of one or more electrochemical cells with external terminals [1] to power electrical equipment. When a battery supplies electricity, its positive terminal is the cathode and the negative terminal is the anode.[2] The terminal marked negative is the source of electrons that  flow through the external  circuit to the positive terminal. When the battery is connected to an external electrical load, a redox reaction converts high-energy reactants into low-energy products and the free energy difference is supplied as electrical energy to an external circuit. Historically, the term "battery" specifically referred to devices made up of multiple cells. However, usage has evolved to include devices consisting of a single cell.

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The use of heat and alcohol to disinfect medical equipment is because both heat and alcohol are effective at killing microorganisms and bacteria.

Heat can be used to sterilize equipment by exposing it to high temperatures for a certain period of time, while alcohol, specifically ethanol and isopropyl alcohol, can be used to disinfect surfaces by denaturing the proteins and dissolving the lipid membranes of microorganisms.

Milk is not given to someone who accidentally ingests a heavy metal ion such as silver or mercury. Ingestion of heavy metal ions like silver or mercury can cause serious health problems and requires prompt medical attention. Milk is not an effective treatment for heavy metal poisoning, and chelating agents or other specific treatments are used for removing heavy metals from the body.

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The major product of the following reaction is 2-chlorobutane. The reaction sequence begins with an addition of chlorine to an alkene, followed by an elimination reaction to form an alkyl chloride.

The synthesis of 2-chlorobutane is a two-step process that begins with an addition of chlorine to an alkene and ends with an elimination reaction to form an alkyl chloride. This process is an important one in the synthesis of many compounds, including pharmaceuticals, agrochemicals, and plastics. In this essay, the synthesis of 2-chlorobutane will be explored in detail, including the reactants and conditions involved in the addition and elimination reactions.

The first step in the synthesis of 2-chlorobutane is an addition reaction of chlorine to an alkene. This reaction is carried out by reacting the chlorine gas with a base, such as potassium hydroxide or sodium hydroxide, in a solvent such as dichloromethane or toluene. The addition of the chlorine to the alkene forms an chlorohydrin, which can then be converted to an alkyl chloride by an elimination reaction.

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The formula for the compound that forms between lithium and each polyatomic ion is [tex]Li_{2}CO_{3}[/tex], [tex]Li_{3}PO_{4}[/tex], [tex]Li_{2} HPO_{4}[/tex] and [tex]CH_{3}COOLi[/tex].

A substance made up of two or more different chemical elements together in a certain ratio is known as a compound in chemistry. When the elements interact with one another, chemical bonds are formed that are difficult to break.

Only a few of the elements on the periodic table have a second letter that is lowercase after their initial capital letter. Therefore, you can tell an ion is polyatomic if it contains two capital letters together.

So, from the question

The compound that lithium will form with carbonate is [tex]Li_{2}CO_{3}[/tex]

The compound that lithium will form with phosphate is [tex]Li_{3}PO_{4}[/tex]

The compound that lithium will form with hydrogen phosphate is [tex]Li_{2} HPO_{4}[/tex]

The compound that lithium will form with acetate is [tex]CH_{3}COOLi[/tex]

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1 mole of an alcohol are needed to react with 1 mole of an aldehyde to form a hemiacetal.

Alcohol and ether are joined to the same carbon atom as hemiacetals. Hydrogen is positioned at the fourth bonding position. To create a hemiacetal, 1 mole of an alcohol must react with 1 mole of an aldehyde. When an aldehyde and an alcohol interact, a hemiacetal is created. This can happen in one of two ways: as a neutral reaction or catalyzed by an acid. Only the alcohol and the aldehyde are involved in the neutral reaction. The carbon is attacked by the alcohol. The oxygen is forced to receive those extra electrons. Therefore, the ether has a positive charge while the oxygen has a negative charge. In order to create the hemiacetal, the additional proton (hydrogen) on the ether can then be transferred to the oxygen.

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Answer:

volume = 0.013 m³

Explanation:

The question asks us to calculate the volume of 0.58 moles of H₂ gas at STP.

To do this, we must use the ideal gas equation:

[tex]\boxed{pV = nRT}[/tex],

where:

• p = pressure in Pa

• V = volume in m³

• n = number of moles

• R = molar gas constant (8.31 Jkg⁻¹K⁻¹)

• T = temperature in K

From the question, we know that the number of moles of H₂ is 0.58. Therefore,  n = 0.58. We also know that the volume is asked for when the gas is at STP, therefore: T = 273 K, and p = 101.3 × 10³ Pa.

Using this data and the formula above, we can calculate the volume of the gas:

pV = nRT

⇒ 101.3 × 10³  ×  V = 0.58 × 8.31 × 273

⇒ V = [tex]\frac{0.58 \times 8.31 \times 273}{101.3 \times 10^3}[/tex]

⇒ V = 0.013 m³

Therefore, the volume of the gas is 0.013 m³.

Specific heat capacity of a substance is the amount of heat required to raise the temperature by one degree celsius of one gram of a substance. Therefore, 200.29KJ/mol is the overall enthalpy of the given reaction.

What is Enthalpy?

Enthalpy term is basically used in thermodynamics to show the overall energy that a matter have. Mathematically, Enthalpy is directly proportional to specific heat capacity of a substances. Internal energy is the sum of all kinds of energy that the particles of a matter can possess, for example translational energy. Rotational energy.

O[tex]_3[/tex](g) + NO(g) → NO[tex]_2[/tex](g) + O[tex]_2[/tex](g)

ΔH° formation of  NO[tex]_2[/tex]=33.2KJ/mol

ΔH° formation of O[tex]_3[/tex] =143KJ/mol

ΔH° formation of  NO =90.29KJ/mol

ΔH° for reaction =(33.2 +0)-(143+90.29)

                           =200.29KJ/mol

Therefore, 200.29KJ/mol is the overall enthalpy of the given reaction.

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