What mass of agcl will precipitate when 10.0 g of nacl is added to an aqueous solution of agno3?

An oxygen (o) atom has 8 protons, 8 neutrons, and 2 unfilled electron orbitals.

The three-dimensional regions surrounding an atom's nucleus known as electron orbitals are where a certain electron can be found. Two electrons can fit into each orbital.

They go by the name of atomic orbitals too. The number of electrons an atom contains determines the form of its atomic orbitals. The s, p, d, and f orbitals will all be covered in this lesson. Their orbital forms will also be revealed to us.

An orbital is a mathematical function that, according to its precise definition, represents the location of an electron in an atom with a high degree of probability. According to the mathematical function for that orbital, the term "atomic orbital" often refers to the area of space where an electron might be present.

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Deposition, when a diamond film forms on a surface from gaseous carbon atoms in a vacuum, a gas changes directly into a solid.

Depositions typically take place in attorneys' offices rather than in courtrooms. A court reporter will record the entire deposition word-for-word while the lawyers interrogate the witness, or deponent, about details of the lawsuit and other events.

The reporter is present throughout the session and will create a transcript at a later time. A deposition could also be videotaped. This is typically done when the deponent is so very ill and may not be well enough for trial, or whether the deponent will be out of town or unavailable during trial.

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Answer:

a standard by which something may be judged.

Explanation:

The nuclear envelope differs from the cell membrane and the membranous endoplasmic reticulum because it Is a double membrane.

Nuclear membrane and nuclear envelope vary primarily in that nuclear membrane serves as a barrier that selectively separates nucleoplasm from cytoplasm, whilst nuclear envelope serves as a structure that separates the nucleus's contents from the cytoplasm. Additionally, the nuclear envelope is made up of two nuclear membranes and nuclear pores, whereas the nuclear membrane is a lipid bilayer.

All eukaryotic cells with a nucleus have two structural elements called the nuclear membrane and nuclear envelope.

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The correct matches for changes of state are:

Change of state is the process whereby matter in one physical state is converted to matter in another state by the addition or removal of heat.

The process of change of state are:

Considering the given diagram, the correct matches are:

In conclusion, change of state of matter occurs due to heat changes.

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Amino acids are built around a central Carbon atom bonded to a Hydrogen atom and three other groups of atoms.

Amino acids are molecules that are joined together in chains that combine to form proteins, and when these proteins are digested or broken down, the amino acids are used up.

Amino acids and proteins are essential for all living things, from microbes to humans. They make up approximately 50% of our solid body mass; they are the next largest component of our body after water.

They are classified into three groups:

The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.

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The mass percent of gold in the piece is 79.08%

The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as

Density = mass / volume

Thus,

Mass = density × volume

Mass = density × volume

Mass of gold = 19.3 × V

Mass of gold = 19.3V

Mass = density × volume

Mass of silver = 10.5 × (1.25 - V)

Mass of silver = 13.125 - 10.5V

Mass of piece = mass of gold + mass of silver

20.5 = 19.3V + 13.125 - 10.5V

Collect like terms

19.3V - 10.5V = 20.5 - 13.125

8.8V = 7.375

Divide both sides by 8.8

V = 7.375 / 8.8

Volume of gold = 0.84 cm³

Thus,

Mass of gold = 19.3V

Mass of gold = 19.3 × 0.84

Mass of gold = 16.212 g

Mass percent of gold = (mass of gold / mass of piece) × 100

Mass percent of gold = (16.212 / 20.5) × 100

Mass percent of gold = 79.08%

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The compound would be most easily formulated as an aqueous solution used to quickly provide energy to an athlete is carbohydrate.

carbohydrate strategy is used for athletes to maximize the storage of energy , in form of glycogen, in muscles. simple carbohydrates are simple sugar such as fructose and glucose.Every athletes anywhere should consume 3 - 12 gm per kilo weight throughout the day, depending on their training routine.

Carbohydrates provide energy for the body including muscles , brain, nerves and other tissues present in body.thus, carbohydrates acts  a master fuel in body.

carbohydrates are used for energy (glucose). athlete drinks contain carbohydrates ans electrolytes.

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Answer:

h20

Explanation:

science, 3 hydrogen and one oxygen make h2o

[tex]H_3O^+[/tex], hydronium ion is the name given to this molecule. Therefore, the correct option is option B among all the given options.

The smallest recognisable unit which which a pure material may be split while retaining its composition and chemical characteristics is a molecule, which is a collection of two or more atoms. Until portions consisting of tiny molecules are reached, the division of a sample for a substance onto progressively smaller parts does not result in a change with respect to its composition as well as its chemical characteristics. [tex]H_3O^+[/tex], hydronium ion is the name given to this molecule.

Therefore, the correct option is option B among all the given options.

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Answer: See below.

Explanation: An atom is made up of protons, neutrons and electrons.

The atomic number and mass number corresponds to the number of electrons and protons in a specific element, while the atomic number and mass number corresponds to the number of nucleons(protons and neutrons) in a specific element.

What is atomic number and mass number?

The number of protons in the nucleus of each element's atoms, represented by the symbol Z, is the element's atomic number. The sum of the protons and neutrons in an element's nucleus is known as the mass number (A).

Thus, atomic no. is the count of electrons or protons in an element whereas, atomic mass or weight refers to the no. of nucleons that is the sum of protons and neutrons in the nucleus of the element.

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To prepare the HCl solution if 1% m/v HCL was available, take 2.5ml of the stock solution and makeup to mark with 7.5 ml of water.

HCl is hydrochloric acid, and it is a highly reactive and strong acid.

Given, the dilution formula

C₁V₁= C₂V₂

C₁ = initial concentration

V₁ = initial volume

C₂ = Final concentration

V₂ = final volume

The values are

C₁ = 1% m/v

V₁ = ?

C₂ = 0.25% m/v

V₂ =  10 ml

V₁  = C₂V₂/C₁

V₁  = 0.25% m/v ×  10 ml /1% m/v

V₁  = 2.5 ml

Thus, the amount of HCl is 2.5ml of the stock solution. The amount of water is 7.5 ml of water.

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Satellite stays in orbit because of two factors velocity and gravitational pull of Earth.

Therefore, Satellite stays in orbit.

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Temperature of gas at volume of 950 cm³ is 368.14K or 94.99⁰c.

Given,

in this question, volume occupied by gas at 10.9⁰c is 733cm³.

we have to find out temperature at which gas occupies volume of 950 cm³.

First, convert temperature from celcius to Kelvin

10.9⁰c = 10.9 + 273.15 = 284.05 K

By equation or Boyle's Law

P1 x V1 / T1 = P2 x V2 / T2

Pressure is constant here

therefore, V1 / T1 = V2 / T2

here, V1 = 733 cm³

T1 = 284.05 K

V2 = 950 cm³

we have to find out T2

So, 733 / 284.05 = 950 / T2

T2 = 284.05 × 950 / 733 = 368.14 K

= 94. 99⁰c

Therefore the temperature of gas at volume of 950 cm³ is 368.14K or 94.99⁰c.

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Answer:

Explanation: 15 grams trust me.!!

The density is 3.193 × 10^15 g/cm3.

Given;

Diameter = 1 x 10-13 cm

Mass = 1.673 x10-24 g

Volume = 4/3πr^3

Volume = 4/3 × 22/7 × (1 × 10^-13 / 2)^3

Volume = 11 × 10^-39 / 21

Density = Mass / Volume

            = 1.673 x10-24 / 11 × 10^-39 / 21

Density = 3.193 × 10^15 g/cm3

What is density?

The amount of objects, including people, animals, plants, and other living things, that are present in a region is known as the density. The number of objects is divided by the area to determine density. The number of inhabitants in a nation divided by its size, measured in square kilometers or miles, is the population density of that nation.

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how about give me brainliest b ll tt cc hh

A water-cooled condenser must have the water flowing over it continuously to function. The water must enter through the bottom port and exit through the top port for this to occur.

What is condenser?

A device or component used to condense vapor into liquid is a condenser (heat transfer). HVAC air coils are an example of specific sorts. Condenser (laboratory), a group of glassware used in laboratories to cool fluids.

The condenser's job is to take the high-pressure gas coming from the compressor and turn it into a liquid. By using the idea that heat will always travel from a warmer to a cooler substance, it accomplishes this.

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Answer:

a compound of hydrogen and carbon, such as any of those which are the chief components of petroleum and natural gas.

"the rain is rich in benzene and hydrocarbons"

Answer: a compound of hydrogen and carbon, such as any of those which are the chief components of petroleum and natural gas.

Explanation:

in organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are examples of group 14 hydrides. Hydrocarbons are generally colorless and hydrophobic, and their odors are usually weak or exemplified by the odors of gasoline and lighter fluid.

It would take 1.23 seconds for the concentration of A to decrease from 0.810M to 0.260 M.

Balanced chemical equation: A → product

c₀(A) = 0.810 M; initial concentration of reactant A

c(A) = 0.260 M; concentration of reactant A after time t

k = 0.930 s⁻¹; the rate constant for this first‑order reaction

ln c(A) = ln c₀(A) - k·t; a first-order is proportional to the concentration of the reactant.

t = (ln c₀(A) - ln c(N₂O₅)) ÷ k.

t = (-0.21 + 1.35) ÷ 0.930 s⁻¹.

t = 1.14 ÷ 0.930 s⁻¹

t = 1.23 s; duration of this chemical reaction

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The feature of object-oriented computing is an encapsulation of states. The correct option is b.

Object-oriented computing, the short form, is OOP. A computer programming paradigm known as object-oriented programming (OOP) arranges the architecture of software around data or objects rather than functions and logic.

An object is a data field with particular characteristics and behavior. It contains data and codes. It is stored in the form of a procedure. Furthermore, it is a programming paradigm.

Thus, the correct option is b. encapsulation of states.

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There are 1.5×10^23 molecules molecules of potassium nitrate are in a 25 g sample.

molecules of KNO3 = 25gKNO3 x 1mol/101.11gKNO3 x 6.022x10^23 molecules/1mol = 1.5 x 10^23 molecules.

Molecules are made up of one or more atoms. If they contain more than one atom, the atoms can be the same (an oxygen molecule has two oxygen atoms) or different (a water molecule has two hydrogen atoms and one oxygen atom). Biological molecules, such as proteins and DNA, can be made up of many thousands of atoms.

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How can you identify the reactant that is restricting a chemical reaction while watching it take place? ”

Building scientific knowledge, or discovering rules and positing ideas that may explain natural or social occurrences, is the aim of scientific study. It is crucial to recognize that this knowledge might be inaccurate or perhaps quite distant from the truth.

A hypothesis, or an anticipation about how a certain process or phenomena operates, is typically the subject of an experiment. However, an experiment may also seek to address a hypothetical issue or support earlier findings without having any preconceived notions about what would be revealed.

In this lab experiment, you will react copper(ll) chloride and aluminum. You will look for clues as to which substance was in excess and which

limited the reaction. Write an investigative question that describes the

scientific goals of this experiment. Make sure that your question applies to any reaction. Investigative Question:

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If you progress from the equator to a location within the mid-latitudes, the wintertime average temperature will decrease, and thus the temperature range will increases.

What is the relationship between latitude and temperature?

As latitude increases, the temperature falls, and therefore the other way around. Generally, round the world, it gets warmer towards the equator and cooler towards the poles.

However, other factors could influence the temperature in several locations like altitude, precipitation, and ocean currents

Why is it called latitude?

On a map where north is up, latitudes run laterally (left to right). they're named after the angle created by a line connecting the latitude and the center of the Earth, and therefore the line connecting the equator and the center of the Earth. Latitudes specify the north-south position of a location on the world .

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The reactant in excess is Al (s)

The mass of remaining surplus reactant is 8.76 g

According to question

4 moles of aluminium reacts with 3 moles of oxygen, to make 2 moles of alumina.

Molar mass Al: 26.98 g/m

Molar mass O2: 32.00 g/m

Mass / Molar mass: Moles

20 g Al / 26.98 g/m = 0.741 moles 10 g O2/32.00 g/m 0.312 moles =

Let's find out the limiting reactant and reactant in surplus by rules of three: the 4 moles of Al reacts with 3 moles of O2

0.741 moles of Al reacts with (0.741.3)/4 = 0.555 moles

Now we know that are needed 0.555 moles of O2 to consume all the Al but we only have 0.312 moles of O2.

The O2 is the limiting reactant, so the Al is the reactant in excess.

Let's make another rule of three

3 moles of O2 reacts with 4 moles of Al

0.312 of O2 reacts with (0.312 .4)/3 = 0.416

We need 0.416 moles to consume all the O2 and we have 0.741 moles of Al.

When we use 0.416 moles from 0.741 it remains 0.325

0.325 moles . 26.98 g/m = 8.76 grams

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The molar mass of element X is 75 g/mol.

m(X₄O₆) = 59.4 g; mass of the compound

m(O) = 14.4 g; mass of oxygen in the compound

n(O) = 14.4 g ÷ 16 g/mol

n(O) = 0.9 mol; amount of oxygen in compound

m(X) = m(X₄O₆) - m(O)

m(X) = 59.4 g - 14.4 g

m(X) = 45.0 g; mass of element X

Ratio of the elements in the compound: n(X) : n(O) = 4 : 6.

n(X) = 0.9 mol × 4 / 6

n(X) = 0.6 mol; amount of element X in the compound

M(X) = m(X) ÷ n(X)

M(X) = 45.0 g ÷ 0.6 mol

M(X) = 75 g/mol; molar mass of element X

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The electrons in the atom's third energy level that are involved in chemical reaction are six in number.

Sulfur is an element that can be found in group sixteen of the periodic table. It has a valency of two because it has six electrons in the outermost shell and shares two more electrons with another element in order to form a covalent bond.

There are three electron shells that could be found in sulfur. The first shell has two electrons, the second shell has eight electrons while the last shell has six electrons.

As such, the electrons in the atom's third energy level that are involved in chemical reaction are six in number.

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The molal concentration of the solution is 5.38 M.

The molal concentration of sulphuric acid = 6.80 m

The density of the solution = 1.318 g/ml

Mass of the sulphuric acid in the solution is,

[tex] = 6.80 \times 9.80[/tex]

[tex] =666.4 \: g[/tex]

The mass of sulphuric acid present in the solution is 666.4 g.

Let the mass of the solvent in which sulphuric acid is dissolved be 1000 grams.

So the total mass of the solution is,

= Mass of solvent + Mass of sulphuric acid

[tex] = 666.4 \: + \: 1000[/tex]

[tex] = 1666.4 \: g[/tex]

The total volume of the solution is,

[tex] = \frac{1666.4 \times 1}{1.318 \times 1000} [/tex]

[tex] = 1.264 \: L[/tex]

The volume of the solution is 1.264 liters.

The molal concentration of this solution is,

[tex] = \frac{6.80}{1.264} [/tex]

[tex] = 5.38 \: M[/tex]

Therefore, the molal concentration of the solution is 5.38 M.

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Explanation:

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