Certain amounts of the hypothetical substances A2 and B are mixed in a 3. 00 liter container at 300. K. When equilibrium is established for the reaction the following amounts are present: 0. 200 mol of A2, 0. 400 mol of B, 0. 200 mol of D, and 0. 100 mol of E. What is Kp, the equilibrium constant in terms of partial pressures, for this reaction

Answer:

Explanation:

substance (as an acid or salt) that when dissolved (as in water) conducts an electric current.

Answer:

An electrolyte is a compound which produces ions when dissolved in a solution such as water. These ions have either a positive or negative electrical charge, which is why we refer to these compounds as electro-lytes

The equilibrium constant for the given reaction is 4.0 x 10^-2. We can relate the equilibrium constant of the second reaction (K2) with that of the first reaction (K1) by using the stoichiometry of the reactions.

To find the equilibrium constant for the given reaction, we need to analyze the relationship between the given reaction and the original reaction (H2(g) + I2(g) ⇌ 2HI(g), K = 6.2 × 10^2).

The given reaction (HI(g) ⇌ 1/2H2(g) + 1/2I2(g)) is essentially the original reaction divided by 2 (because the stoichiometric coefficients are half those of the original reaction). When dividing a reaction by a constant (in this case, 2), we need to take the root of the original equilibrium constant to the power of that constant. In this case, the square root of the original K.
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Answer:

(with reference to a solid) become or cause to become incorporated into a liquid so as to form a solution.

Answer:

The correct answer is C railway lines.

Explanation:

The reason why C (railway lines) are not made from stainless steel is because it is an expensive material compared to other types of steel, such as carbon steel. Additionally, although stainless steel is strong and does not rust, it is not as strong as other types of steel and is therefore not suitable for use in high-stress applications such as railway lines. The high stress and strain experienced by railway lines require the use of stronger, more durable materials that can withstand heavy loads and high impact.

The options that correctly express the relationship between the volume and temperature of a gas at constant pressure are:

According to Charles' law, when the pressure is held constant, the volume of a given amount of gas is precisely proportional to its kelvin-scale temperature.

Because the gas particles are compressed closer together as the pressure on a gas rises, the volume of the gas decreases. In contrast, as a gas's pressure falls, its volume rises as a result of the gas's ability to spread its particles farther apart. Since the volume of the gas has expanded, the atmospheric gas exerts more force on weather balloons as they ascend through the atmosphere to areas of lower pressure.

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complete questions:

Which of the following options correctly express the relationship between the volume and temperature of a gas at constant pressure? Select all that apply.

As the temperature of the gas increases, the volume will increase.

The volume of the gas is directly proportional to the absolute temperature.

Answer:

34.9103 or 34.9 g

Explanation:

Remember Density is a broken heart: m/v.

In this scenario (Let x = # of grams in the sample of gasoline),

D = 0.7198 g/mL = x g / 48.5 mL

So,

(0.7198 g/mL) * (48.5 mL) = x g

x g = 34.9103 = 34.9 g (Accounting for Significant Figures)

Answer:

118.71 u

Explanation:

Tin. Tin is a chemical element with the symbol Sn (for Latin: stannum) and atomic number 50. It is a main-group metal in group 14 of the periodic table.

Source: https://en.m.wikipedia.org/wiki/Period_5_element#:~:text=Tin,-Main%20article%3A%20Tin&text=Tin%20is%20a%20chemical%20element,14%20of%20the%20periodic%20table.

The likely mechanism if the given aromatic molecule is subjected to these reaction conditions is an addition-elimination mechanism using electrophilic aromatic substitution.

Here, correct answer is A. An addition-elimination mechanism using electrophilic aromatic substitution.

Electrophilic aromatic substitution is a type of chemical reaction in which an electron-deficient species, such as a Lewis acid, replaces a hydrogen atom on an aromatic ring. During this process, an electron-rich species, such as a Lewis base, acts as a nucleophile and attacks the electrophile, resulting in an addition-elimination reaction.

This type of mechanism involves the formation of a new bond between the electrophile and the aromatic ring, followed by the removal of a proton from the aromatic ring. This process results in the formation of a new compound with the same aromatic ring structure but with a different substituent attached.

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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 equilibrium concentrations of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate are both approximately 0.797 mM, and the equilibrium concentration of fructose 1,6-bisphosphate is approximately 0.203 mM.

The equilibrium concentrations of fructose 1,6-bisphosphate, dihydroxyacetone phosphate, and glyceraldehyde 3-phosphate when 1 mM of fructose 1,6-bisphosphate is incubated with aldolase under standard conditions can be calculated using the aldolase reaction. The aldolase reaction can be written as Fructose-1,6-bisphosphate ⇌ dihydroxyacetone phosphate + glyceraldehyde-3-phosphate

The equilibrium concentrations of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate will be equal at equilibrium.

Let x be the concentration of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate in mM at equilibrium. Then, the concentration of fructose 1,6-bisphosphate at equilibrium will be 1 mM - x mM

since it is being consumed in the reaction.

At equilibrium, the reaction quotient Q is given by:

Q = [dihydroxyacetone phosphate][glyceraldehyde 3-phosphate] / [fructose 1,6-bisphosphate]

Substituting the equilibrium concentrations into this equation gives: Q = x² / (1 mM - x)At equilibrium, Q = K,

where K is the equilibrium constant.

For the aldolase reaction, K is approximately 6.7 x 10³ M⁻¹.

Therefore: x² / (1 mM - x) = 6.7 x 10³ M⁻¹

Solving for x gives: x = 0.797

Therefore, the equilibrium concentrations of dihydroxyacetone phosphate and glyceraldehyde 3-phosphate are both approximately 0.797 mM, and the equilibrium concentration of fructose 1,6-bisphosphate is approximately 0.203 mM.

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Answer:

the way plants eat

Explanation:

Answer:

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Answer:

Explanation:

Answer: D. Solid

Dipole-dipole interactions, London dispersion forces, and hydrogen-bound are some kinds of attractive forces that may exist between particles in molecular crystals.

The forces of attraction or repulsion between adjacent particles are known as intermolecular forces (atoms, molecules, or ions ). When compared to intramolecular forces, such as the covalent or ionic bonds between atoms in a molecule, these forces are weak.

Molecular solids are bound together by hydrogen bonds, dipole-dipole forces, and intermolecular dispersion forces. Dry ice (solid CO2) and ice (solid H2O) are examples of molecular solids. Ice and dry ice are kept together by hydrogen bonds and dispersion forces, respectively.

Yes, solids have the strongest intermolecular forces.

The intermolecular interactions are extremely strong and the constituent particles are tightly packed in solids. Solids are hence incompressible and have a high density.

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ANSWER

Temperature will remain the same

EXPLANATION

When water reaches it boiling point at 100 degrees Celcius, the molecules of water will start moving independently and collide with each other.

At 100 degrees Celcius, it has attained an equilibrium between the liquid and vapor phase. Therefore, when energy is added to it, the temperature will remain the same and there will be a phase change.

Hence, the temperature will remain the same.

The term is Allotropy

Which means that an element can exist in two or more forms with the same physical state but different structures

Answer:

it pops?

Explanation:

Answer:

second one/ B

Explanation:

just took the quiz

Answer:b

Explanation:

Water beads up on waxed surfaces due to its much stronger cohesive forces than the adhesive forces between water and wax.

Water and wax don't get along. Waxed paper repels and does not absorb water. It is reduced to a small, oblong blob as a result of the water's surface tension; these masses, or drops, can slide around waxed paper in light of the fact that the paper doesn't assimilate it.

The cohesion of water molecules at the surface of a body of water is referred to as surface tension.  Attempt this at home: On a piece of wax paper, drop a drop of water.

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Answer:

I think they use water,shovel,and rake.

Explanation:I was in ag in 8th grade and first we used a rake and raked all the stuff up. Then we waterd the dirt. Then dug a hole and planted the plant and waterd it after.

I hoped this help have a nice day! Comment if you need more help.

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The expression for lowering of vapour pressure and molar mass of solute is given as -

                                                \(\frac{p^{0}- p }{p^{0} }\) =  \(\frac{W_{2} }{M_{2} }\) × \(\frac{M_{1} }{W_{1} }\)

According to Raoult's law-

Relative lowering of vapour pressure of a non volatile solute is equal to the mole fraction of solute.

The relation between relative Lowering of vapour pressure and molar mass of solute is given as -

                                             \(\frac{p^{0}- p }{p^{0} }\) = \(\frac{W_{2} }{M_{2} }\) × \(\frac{M_{1} }{W_{1} }\)

          where, \(p^{0}\) = vapour pressure of pure solvent

                        p = vapour pressure of solution

                        \(W_{2}\) = Mass of solvent

                       W₁ = mass of solute

                        M₂ = molar mass of solvent

                         M₁ = molar mass of solute.

                              Mole fraction of solute = \(\frac{n_{2} }{n_{1} + n_{2} }\)

where, n₂ = number of moles of solvent

            n₁ = number of moles of solute

For dilute solution,  n₂ ∠∠n₁

Thus, n₂ can be neglected in the denominator and this gives,

                                                     \(\frac{p^{0}- p }{p^{0} }\) = \(\frac{n_{2} }{n_{1} }\)

We know that, number of moles = mass / molar mass.

Therefore replacing the values of  n₂ and n₁ with mass and molar mass gives-

                                                 \(\frac{p^{0}- p }{p^{0} }\) = \(\frac{W_{2} }{M_{2} }\) × \(\frac{M_{1} }{W_{1} }\)

Therefore, this gives the relation between relative lowering of vapour pressure and molar mass of solute

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Fluorine molecule: The bond order for the fluorine molecule is 1. F2- molecular ion: The bond order for the F2- molecular ion is 2.

A molecule is a group of two or more atoms held together by covalent bonds. Molecules are the smallest particles of a substance that can exist independently and still retain the properties of that substance.

This is because the molecule consists of two fluorine atoms, each with seven valence electrons, which combine to form a single covalent bond between them. The bond order is calculated by subtracting the total number of electrons in the molecule from the total number of valence electrons in the two atoms. In this case, the total number of electrons is 8 (7 from each atom), and the total number of valence electrons is 14, giving a bond order of 1 (14-8=1).

This is because the ion consists of two fluorine atoms, each with seven valence electrons, which combine to form two covalent bonds between them. The bond order is calculated by subtracting the total number of electrons in the molecule from the total number of valence electrons in the two atoms. In this case, the total number of electrons is 6 (6 from each atom), and the total number of valence electrons is 14, giving a bond order of 2 (14-6=2).

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The iodide ion is Oxidized to molecular iodine.

For the complex [Co(CO)5]x, the unknown charge (z) would be +1 based on the application of the 18 electron rule.

To find the charge (z) of the complex [Co(CO)5]x using the 18 electron rule, we can follow the steps below:

Identify the metal: In this case, the metal is cobalt (Co).

Determine the number of valence electrons of the metal: Cobalt is a transition metal with atomic number 27. In its neutral state, it has 27 electrons. However, in a complex, cobalt typically contributes all of its valence electrons to bonding, which is 9 electrons (2 from the 4s orbital and 7 from the 3d orbital).

Calculate the total number of electrons contributed by ligands: The ligand in this case is carbon monoxide (CO), which is a strong-field ligand. Each CO ligand contributes 2 electrons (one from the carbon lone pair and one from the oxygen lone pair) for a total of 5 ligands × 2 electrons/ligand = 10 electrons.

Add the valence electrons of the metal and the ligands: Cobalt contributes 9 electrons, and the CO ligands contribute 10 electrons, giving a total of 9 + 10 = 19 electrons.

Apply the 18 electron rule: According to the 18 electron rule, most stable transition metal complexes have 18 valence electrons. However, there can be variations depending on the ligands and the metal's oxidation state.

Determine the charge (z): Since the complex [Co(CO)5]x has 19 valence electrons, which is more than the expected 18 electrons, it suggests that the complex has a positive charge to balance the extra electron(s). Therefore, the charge (z) of the complex would be +1.

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The penny must have changed its color because an oxidation reaction. When we heat some metals, the trnasform into oxides, for exxample Zinc oxide ZnO or CuO.

Moreover, his compounds are colored molecules mostly brown or black colored compounds. First at all when we put the pennies into a acetic acid solution, a redox reaction wiil happen. The acetate is an oxidant  and it will react with the Cu, Zn and Sn to reduce them. for example, if we have ZnSO4 in the plate and it will be heated, the Zn will suffer a redox reaction and will form Zn0. a metalic form. that´s why the color changes.

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Answer:

metamorphic

Explanation:

when one rock changes another rock the rock that got changed is now metamorphic

The  Lewis dot structure of SO₃  with oxygen and sulfur atoms is attached in the image below .

Lewis dot structures are also called as electron dot structures and can be drawn if the molecular formula of a compound is known. It provides information regarding the nature of bond and the position of atoms .

They are also capable of exhibiting the lone pair if any present in a molecule or compound.Lewis defined a base to be an electron pair donor and an acid to be an electron pair acceptor.

They are capable of reflecting electronic structure of elements and even the pairing of electrons . In the diagram, each dot represents an electron while a pair of dots represent a bond between the atoms.

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Answer:

6

Explanation:

The coordination number of the metal atom in the [Fe(NCS)(H2O)5]2+ complex is 6.

This means that there are six surrounding atoms or molecules (five water molecules and one NCS ligand) directly bonded to the central iron (Fe) atom in the complex.

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The coordination number of the metal atom in the [Fe(NCS)(H2O)5]2+ complex is six.

Coordination number is the total number of neighbors (atoms or ions) that a central atom has in a coordination compound or a complex. Coordination compounds are chemical species that have a central metal ion bonded to a set of molecules or ions, known as ligands.

                       These ligands are capable of donating a pair of electrons to the central metal ion and thus, form coordinate covalent bonds.Coordination number of metal ion in [Fe(NCS)(H2O)5]2+ complex:In the given coordination compound, Fe(II) is the central metal ion that is coordinated with five water molecules and one NCS– anion ligand.

Thus, the total number of coordinate covalent bonds formed between Fe(II) and its ligands is 6.Therefore, the coordination number of the metal atom in the [Fe(NCS)(H2O)5]2+ complex is six.

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Answer:

The actual reason that the application of salt causes ice to melt is that a solution of water and dissolved salt has a lower freezing point than pure water. When added to ice, salt first dissolves in the film of liquid water that is always present on the surface, thereby lowering its freezing point below the ices temperature. Ice in contact with salty water therefore melts, creating more liquid water, which dissolves more salt, thereby causing more ice to melt, and so on.

Answer:

a . Shift it to the right toward the products.

Explanation:

In the reaction, if more of the reactant A is added to the system, the reaction will shift towards the products.

Answer: a . Shift it to the right toward the products.

Explanation:

One mole of each element contains Avogadro's number of atoms, which is 6.022 x 10^23 atoms. Therefore, all three substances have the same number of atoms, which is 6.022 x 10^23 atoms.