explain Alexander Volta law​

Answer:

Solutions can be solids dissolved in liquids. When you work with chemistry or even cook in your kitchen, you will usually be dissolving solids into liquids. Solutions can also be gases dissolved in liquids, such as carbonated water. There can also be gases in other gases and liquids in liquids.

Explanation:

Answer:

3n+2n=5n 5 nitrogen atoms

The combination of ammonium chloride and sodium hydroxide will not give a precipitate. Option A

The solubility rules gives us the idea of the kind of combination of reactants that would lead to the formation of a precipitate. We can now apply that knowledge in this question.

These regulations are founded on the idea of solubility, or a substance's capacity to dissolve in a solvent, typically water.

These solubility rules provide a quick and easy way to predict the solubility of many ionic compounds in water.

Learn more about solubility rules:https://brainly.com/question/1297858

#SPJ1

The element that has the same number of energy levels as Krypton (Kr) and the same number of valence electrons as Nitrogen (n) is Arsenic (As).

Electrons аre sub-аtomic pаrticles thаt аre present in the аtom аnd cаrry а negаtive chаrge. The electrons were discovered by J.J. Thompson. The electrons revolve аround the nucleus in vаrious shells аnd аid in the formаtion of bonds.

Vаlence electrons аre the totаl number of electrons thаt аn аtom cаn shаre to form bonds. Nitrogen is the element thаt hаs the sаme number of vаlence electrons аs Arsenic with both of them hаving 5 vаlence electrons.

Krypton is а noble gаs locаted in group VIII А аnd 4rd period. Nitrogen is in the 5fh group. So, we must look for аn element locаted in the 4rd period аnd group VА on the periodic table.

Your question is incomplete, but most probably your full options were

a. selenium (Se)

b. arsenic (As)

c. iron (Fe)

d. calcium (Ca)

Thus, the correct answer is B.

For more information about valence electrons refer to the link:

https://brainly.com/question/28977387

#SPJ4

Answer:

Large mountain ranges form when tectonic plates hit each other in a short process called plate tectonics, and then fasten, like the hood of a car.

The Highly Soluble : NaCl, KOH, CH₃CH₂OH, CH₃COOH, CH₃OH, Na₂SO₄, KNO₃

The Insoluble: C₆H₆, C₆H₁₄, CCl₄, CHCl₃, CH₂Cl₂, CH₃(CH₂)₅OH

1) NaCl : NaCl is a chloride and NaCl is highly soluble.

2)  CH₃C l: This compound is an organic. The electronegativity between C and Cl is high, and is polar. Because water is also polar, it is highly soluble.

3) CH₃OH:  Alcohols are hydrocarbon are is highly soluble in water because of hydrogen bonding.

4) KOH: KOH is highly soluble. This is a strong an readily dissociates in water.

5)  C₆H₆ : It is the benzene ring and is a nonpolar molecule, so it is expect this is insoluble with water.

6) C₆H₁₄ : It is hexane of  long chain of hydrocarbons. There is no hydrogen bonding, this is nonpolar and insoluble in water.

7) KNO₃: It is highly soluble because all nitrates are soluble in the water.

8)  CCl₄ : There is balance of the partial charges which makes it a nonpolar. It  is insoluble in water.

9) Na₂SO₄: It is highly soluble.

10) CH₃CH₂OH: It is highly soluble in water.

11) CH₂Cl₂ : This is polar and due this it is highly soluble in water.

12) CH₃COOH : It is a carboxylic acid. It is highly soluble in water.

To learn more about soluble here

https://brainly.com/question/2484768

#SPJ4

the mass of argon can be calculated by multiplying the number of moles by its molar mass that is mass of argon is present in the mixture is 0.8986g.

The total pressure of the mixture is 662 torr, and the partial pressures of helium and neon are 341 torr and 112 torr, respectively. Hence, the partial pressure of argon can be calculated as the difference between the total pressure and the partial pressures of helium and neon, i.e., 662 - 341 - 112 = 209 torr. The number of moles of argon can then be determined using the ideal gas law (PV = nRT), where R is the gas constant, T is the temperature in Kelvin, and V is the volume of the mixture (2.00 L). Finally, the mass of argon can be calculated by multiplying the number of moles by its molar mass.

Find out more about total pressure

brainly.com/question/15234127

#SPJ4

Answer:

Isotopes

Explanation:

An isotope are the atoms of an element with similar chemical identity and number of protons but different atomic masses. This means that isotopes of an element differ from one another by their number of NEUTRONS.

For example, the uranium element possesses isotopes as follows: Uranium-235 and uranium-238. This two isotopes have the same chemical identity and number of protons/atomic no., which is 92. However, the atomic masses (235 and 238) are different.

Answer:

Isotopes

Explanation:

The molecule you have provided is not included in your question, so I cannot provide a direct answer.

However, in general, for a molecule to form hydrogen bonds with water, it must have hydrogen atoms that are covalently bonded to highly electronegative atoms such as oxygen, nitrogen, or fluorine. These hydrogen atoms then form hydrogen bonds with the lone pairs of electrons on the water molecules.

Therefore, the number of atoms in a molecule that can form hydrogen bonds with water depends on the presence of such covalently bonded hydrogen atoms and their accessibility to water molecules.

To know more about molecule visit:-

https://brainly.com/question/30465503

#SPJ11

Answer:

D

Explanation:

This question is a little strange. C and D are very similar, but I would pick D.

Fluorine actually has the highest electronegativity of all the elements. This allows it to pull more electrons towards itself. Since electrons have a negative charge, this causes the fluorine end of the molecule to be more negative while the hydrogen is left striped of electrons and has it positively charged necleus exposed. This means that one end of the molecule is positive while the other is negative, which makes this molecule polar. The only reason I would pick D over C is that D addresses the second part of the question about the covalent bond. A covalent bond is simply when two atoms share electrons.

Let me know if this was right and I hope it helps.

because they run out of energy.

EXPLANATION:

when it is transferred and to other objects, or their kinetic energy is converted into gravitational energy.

Answer:2

Explanation:

Answer:

2Na + 2H2O → 2NaOH + H2

Explanation:

This is the balanced equation of,

Sodium + water → sodium hydroxide + hydrogen

Answer:

D) Blender..................

The 2 mol Al moles of Fe2O3 are formed when 4.2 moles of Fe reacts completely with oxygen.

What is moles?

A mole is an extremely important unit of measurement for chemists. A mole of anything denotes 602,214,076,000,000,000,000,000 of that thing, just as possessing a dozen eggs denotes having twelve eggs. Chemists use moles to measure extremely small substances like atoms, molecules, and other particles.

What is oxygen?

Because oxygen contains only one type of atom, it is a chemical element, which is a type of substance. Since oxygen has an atomic number of 8, it is represented by the letter O in its formal chemical formula and has eight protons in its nucleus. In nature, molecular oxygen can be discovered.

2 mol Al, 3 mol Fe.

Therefore,  2 mol Al moles of Fe2O3 are formed when 4.2 moles of Fe reacts completely with oxygen.

Learn more about moles from the given link.

https://brainly.com/question/24191825

#SPJ1

Answer:

The short term human induced environmental changes are pollution and deforestation. The term deforestation can be defined as the cutting down of trees in huge amount. The reason can be cutting down of trees for human settlement. Pollution can be defined as the undesirable in the environment.

A sulfhydryl group is a functional group (-SH) consisting of a sulfur atom bonded to a hydrogen atom. It can interact with heavy metals through a process called metal-thiolate coordination, and the interaction affect processes in the body through Enzyme Inhibition, and Protein Structure.

A sulfhydryl group, also known as a thiol group, is a functional group (-SH) consisting of a sulfur atom bonded to a hydrogen atom. It is commonly found in amino acids such as cysteine and methionine, as well as in coenzymes and enzymes.

In biochemistry, sulfhydryl groups can interact with heavy metals through a process called metal-thiolate coordination. Heavy metals, such as mercury, lead, cadmium, and arsenic, have a high affinity for sulfhydryl groups. They can bind to the sulfur atom of the thiol group, forming metal-thiolate complexes.

The interaction between sulfhydryl groups and heavy metals can have several effects on biological processes;

Enzyme Inhibition; Heavy metal binding to sulfhydryl groups in enzymes can lead to enzyme inhibition or loss of enzymatic activity. This interference can disrupt essential biochemical pathways and impair cellular functions.

Protein Structure and Function; Sulfhydryl groups play a crucial role in maintaining the structure and function of proteins through disulfide bonds. Heavy metal binding to sulfhydryl groups can disrupt disulfide bond formation or cause protein denaturation, affecting protein folding, stability, and activity.

To know more about sulfhydryl group here

https://brainly.com/question/4138648

#SPJ4

Answer:

In general, if the electronegativity difference between two atoms is less than 0.5, the bond is considered nonpolar, even though the only truly nonpolar molecules are those formed with identical atoms. Nonpolar molecules also form when atoms sharing a polar bond arrange such that the electric charges cancel each other out.

Explanation:

sorry if I'm wrong or if this doesn't help you

Answer: If a reaction has a low rate that means the molecules combine at a slower speed than a reaction at a higher rate

Explanation:

The rate of a reaction for a chemical reaction is change in concentration of reactants or change in concentration of products per unit time.Rate of reaction depends on type and nature of reaction.It also depends onthe physical state of reactants, number of reactants and complexity of reaction.

The rate of reaction:

https://brainly.com/question/33610033?answering=false&answeringSource=feedQP

1. Water flows through the penstock

2. The water then spins the blades in a turbine which, in turn, spins a generator that ultimately produces electrical energy

Hydropower, or hydroelectric power, is one of the oldest and largest sources of renewable energy, which uses the natural flow of moving water to generate electrical energy. The moving water is passed through a pipe also known as penstock, it then turns the blade of the turbine. which then rolls or spin a generator thereby electricity is produced.

The work of the turbine is to convert the kinetic energy of the running water into useable energy.

learn more about conversion of water to electrical energy from

https://brainly.com/question/18776929

#SPJ1

The number of moles present in 9.50g of CO2 is given by using the number as 0.216 moles.

The mole idea is a useful way to indicate how much of a substance there is. Each measurement may be divided into two components: the magnitude in numbers and the units in which the magnitude is expressed. For instance, the magnitude is "2" and the unit is "kilogramme" when a ball's mass is determined to be 2 kilogrammes.

Even one gramme of a pure element is known to have an enormous number of atoms when working with particles at the atomic (or molecular) level. The mole idea is frequently applied in this situation. The unit of measurement that receives the most attention is the "mole," which is a count of a sizable number of particles.

Number of moles of carbon dioxide can be calculated using the formula, number of moles = mass/ molar mass.

Molar mass of carbon dioxide is 44 gram/mole.

So, keeping the values in given formula to find number of moles in given mass of carbon dioxide.

Number of moles = 9.50/44

Number of moles = 0.216

Hence, number of moles in given mass of carbon dioxide is 0.216.

Learn more about Number of moles:

https://brainly.com/question/29367909

#SPJ4

If more \(H_{2}\) and \(N_{2}\) are added to the reaction 3\(H_{2}\) + N2 → 2\(NH_{3}\) after it reaches equilibrium, two events will occur Shift in Equilibrium and Increased Yield of \(NH_{3}\)

1. Shift in Equilibrium: According to Le Chatelier's principle, when additional reactants are added, the equilibrium will shift in the forward direction to consume the added reactants and establish a new equilibrium. In this case, more \(NH_{3}\) will be produced to counteract the increase in \(H_{2}\) and \(N_{2}\).

2. Increased Yield of \(NH_{3}\): The shift in equilibrium towards the forward reaction will result in an increased yield of \(NH_{3}\). As more \(H_{2}\) and \(N_{2}\) are added, the reaction will favor the production of \(NH_{3}\) to maintain equilibrium. This will lead to an increase in the concentration of \(NH_{3}\) compared to the initial equilibrium state.

It is important to note that the equilibrium position will ultimately depend on factors such as the concentrations of \(H_{2}\), \(N_{2}\), and \(NH_{3}\), as well as the temperature and pressure of the system. By adding more reactants, the equilibrium will adjust to achieve a new balance, favoring the formation of more \(NH_{3}\).

Know more about Le Chatelier's principle here:

https://brainly.com/question/2943338

#SPJ8

Answer:

B. Group 17

Explanation:

The element is Bromine. Its electron configuration is:

1s2 2s2p6 3s2p6d10 4s2p5  

You can see that its last orbital is 4p^5 for 5 electrons in the 4p orbital.

Answer: Two effects may occur during high current flow: 1) the wire may become overheated to the point that surface oxidation or even evaporation may take place, 2) at the connection points at each end of the wire, especially if the terminations are of a different type of metal than the wire, some atoms may migrate into or out of the wire.

The given triprotic acid H₃A has pka's of 2.50, 5.75, and 9.25.

The pkb for the base A³⁻ can be calculated using the formula: pka + pkb = 14, where pka is the acid dissociation constant and pkb is the base dissociation constant.

Using this formula, we can first calculate the value of the third pkb as follows:

pka + pkb = 14 ⇒

pkb = 14 - 9.25

= 4.75

Similarly, we can calculate the second pkb:pka + pkb = 14

⇒ pkb

= 14 - 5.75

= 8.25

Now, we can calculate the first pkb:pka + pkb = 14 ⇒ pkb = 14 - 2.5 = 11.5

Therefore, the pkb values for the base A³⁻ are 11.5, 8.25, and 4.75 respectively.

To know more about base dissociation constant click on below link:

https://brainly.com/question/28197409#

#SPJ11

The name for the process through which a firm considers different alternatives to select a vendor to meet its requirements is referred to as a request for proposal (RFP).

The process through which a firm considers different alternatives to select a vendor to meet its requirements is referred to as a request for proposal (RFP). Once a firm recognizes a need, the firm will consider alternative solutions and develop a list of requirements to be given to potential vendors.

What is a Request for Proposal?A request for proposal (RFP) is a formal process in which an organization solicits proposals from potential vendors and service providers for solutions to its business problems or needs. This is frequently used in the procurement of professional services, such as consulting or technology implementations, and for the purchase of large and complex products.What is an RFP's purpose?The purpose of the RFP is to provide vendors with enough information to allow them to construct a proposal that meets the company's needs and budget. The RFP is a tool for facilitating the selection of the best proposal from a pool of potential vendors who have expressed interest in offering their services or products to the organization.

An RFP will outline the vendor selection process, including:• Details about the organization, its mission, and requirements• The timeline for vendor selection and implementation• The project's goals and objectives• Detailed product specifications• Vendor qualifications and selection criteria• Technical requirements• Proposal submission instructions and deadlines

Thus, the name for the process through which a firm considers different alternatives to select a vendor to meet its requirements is referred to as a request for proposal (RFP).

Learn more about firm here:

https://brainly.com/question/28476062

#SPJ11

The advantage to performing the reaction in methyl ethyl ketone - a solvent with a high boiling point is to carry the reaction in the forward direction by refluxing the set.

Boiling point is defined as the bulk phenomenon. It is the temperature at which the pressure of atmosphere is equal to the pressure of the vapour or vapour pressure.

Since, high boiling point solvent are used during the procedure to reflux the set which help in carrying out the reaction in the forward direction. If we had used low boiling point solvent instead of high all of the solvent evaporated and refluxing of the mixture of reaction to get product for maximum production could not have been possible.

Thus, we concluded that the advantage to performing the reaction in methyl ethyl ketone - a solvent with a high boiling point is to carry the reaction in the forward direction by refluxing the set.

learn more about boiling point:

https://brainly.com/question/14771622

#SPJ4

The new volume V₂ is 5.4L

The new volume is calculated using Boyle's law formula

That  is  P₁V₁=P₂V₂

where,

p₁ =  852 torr

V₁ = 27.0

P₂ = 4260 torr

V₂=?

Make  V₂ the subject of the formula by diving into both sides of the equation by P₂

V₂ = P₁V₁/P₂

⇒ 852 *

V₂  is, therefore, = 5.4 L

Learn more about Boyle's law here: https://brainly.com/question/1696010

#SPJ4