How would I go About solving this with a chart?

203 mL of 0.2950 M HCI is required to neutralize 75.00 mL of 0.6000 mL NaOH.

Hcl + NaOH [tex]\rightarrow[/tex] Nacl + H2O

Form dilution formula:

M1V1=M2V2.

So M1=0.6000M, V1=0.075L, M2=0.2950M HCl, V2=?

 V2  = M1V1/M2

        = (0.8)(0.075)/0.2950

        =0.2033L=203 mL.

Dilution is the process of "lowering the concentration of a solute in a solution simply by  adding more solvent, such as water, to the solution." Diluting a solution requires adding a solvent without adding a solute.

A popular way to make a solution of a given concentration is to take a higher concentration  and add water until the required concentration is reached. Dilution is the term for this procedure. Dilution can also be done by mixing a higher concentration solution with a lower concentration. Since stock solutions are often obtained and stored in very concentrated concentrations, dilution of the solutions is a mandatory procedure in the laboratory.

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Answer: Fe(aq) + S(aq)   yields FeS(s)

Explanation:

Fe+2 + 2Cl-  + 2K+ + S-2  yields  FeS(S) + 2K+ + 2Cl-

Cross out the aqueous ions and you are left with

Fe+2 + S-2  yields  FeS(s).  

When 30.0 grams of sulfur dioxide and 8.4 grams of water combine then 38.27 grams of sulfurous acid (H₂SO₃) must form.

A limiting reagent is a reactant that is entirely consumed in the chemical reaction from the reaction mixture and indicates the completion of the reaction and is known as a limiting reactant.

The limiting reagent will decide the maximum quantity of product when reactants will not take in stoichiometric quantities.

Given, the chemical reaction of the formation of sulfurous acid:

SO₂ (g) + H₂O (l)  → H₂SO₃ (l)

The molecular mass of the sulfur dioxide, water, and sulfurous acid is 64, 18, and 82g/mol respectively.

Given, the amount of sulfur dioxide, and water is 30 g and 8.4 g respectively.

If 18 grams of water react with sulfur dioxide = 64 g

Then 8.4 g  of water reacts with sulfur dioxide = (64/18)×8.4 = 29.86 g

So, water is the limiting reagent in this reaction, which will decide the amount of sulfurous acid.

If 18 grams of water formed  sulfurous acid = 82 g

Then 8.4 g  of water will form sulfurous acid. = (82/18)×8.4 = 38.27 g

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1) If the temperature of the system increases, the equilibrium constant k decreases.

2) the concentration of H₂ increases.

The reaction is given as :

CO +  2H₂   ⇄  CH₃OH                          ΔH = -91.8 KJ ( exothermic reaction)

1) Temperature is the only factor that changes the equilibrium constant for the given reaction. As temperature increases equilibrium constant decreases because the reaction is exothermic reaction.

                K = [ CH₃OH ] / [CO] [H₂]²

2) If the temperature increases the position of equilibrium moves to the left and concentration of H₂ increases.

Thus, 1) If the temperature of the system increases, the equilibrium constant k decreases.

2) the concentration of H₂ increases.

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The Miranda rights are very important because she can secure an attorney if she wants one. That is option A.

The Miranda rights are the rights that an individual has when involved with a criminal procedure to help protect them when in police custody.

The Miranda rights where created in the United States of America in the year 1966 which occurred as a result of case of Miranda v. Arizona.

These Miranda rights are used or initiated only when the suspect is to be interrogated under custody and not merely when arrested.

It lets the individual know that they can secure an attorney if they want one.

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Answer:   A

Explanation:

The number of moles of MgO produced when 0.20 mole of O₂ reacts completely is 0.40 mole

Mole is the SI unit of amount of substance of a specified elementary entity

Here given data is number of moles of MgO produced when 0.20 mole of O₂ reacts we have to find mole = ?

So the balanced equation is

2Mg + O₂ → 2MgO

So, the number of moles of MgO = (0.20 mol of O₂ )×(2 mol of MgO) / (1 mol of O₂)

= 0.40 mole

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Using the molar ratio of the limiting reactant to the product, the theoretical yield of copper would be 192 grams.

In chemical reactions, limiting reactants are reactants that limit the extent of reactions due to their limited quantities as compared to other reactants.

Thus, limiting reactant dictates the amount of product that is formed from reactions.

Considering the reaction:

[tex]3CuCl_2 + 2Al = 2AlCl_3 + 3Cu[/tex]

Aluminum being the limiting reactant has 2 moles. The copper, being the product has 3 moles. Thus, the mole ratio between the limiting reactant and the product is 2:3.

This means that for every 1 mole of aluminum that reacts, 1.5 moles of copper is produced.

3 moles of copper are produced from the reaction.

Recall that: mass = mole x molar mass

Molar weight of copper = 64 g/mol

Mass of 3 moles copper = 3 x 64

                                      = 192 grams

The theoretical yield of copper is, therefore, 192 grams.

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The number of moles are in 68.43 g of calcium metal is 1.710 moles

the no. of moles is given by :

The no. of mole = mass of the substance / mass of one mole

given values are :

mass of calcium ( Ca ) = 68.43 g

molar mass of calcium that is the mass of one mole of calcium  = 40 g/mol

substituting the values,

number of moles = mass / molar mass

                            = 68.43 g / 40 g/mol

                            = 1.710 moles

number of moles calcium in 68.43g  = 1.710 moles

Thus, The number of moles are in 68.43 g of calcium metal is 1.710 moles.

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The Net force which is acting on the object is 20.12 N and the direction (θ) of the net force is 26.56° towards the South of East. The net force is a resultant of both the forces.

Th net force is the vector sum of all the forces which are acting on a particle or object. The force on the object in the diagram is given below as follows:

Force 1, F₁ = 18 N (force acting in a direction to the east)

Force 2, F₂ = 9 N (force acting in a direction south)

The two forces makes the two sides of a right-angled triangle in the diagram:

Net force can be determined using Pythagoras rule as follows:

Net force, F = √[(F₁)² + (F₂)²]

Net force = √ [(18)² + (9)²]

Net force = √ (324 + 81)

Net force = √ 405

Net force = 20.12 N

The direction of the Net force (θ) is determined as follows:

θ = tan⁻¹ (9 / 18)

θ = tan⁻¹ (0.5)

θ = 26.56° towards South of East

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tu me puedes ayudar con mi tarea

Asteroids are left over pieces of rocks that didn't become planets or satellites. These are mostly located in The Asteroid Belt in the Solar System.

The main asteroid belt is a region between the orbits of Mars and Jupiter. The Asteroid Belt is a torus shaped region. Some of the asteroids may go in the front or behind the Jupiter.

The Oort cloud has around 2.3% of left over pieces of asteroid rocks. It is a predicted percentage.The asteroids were located in more amount earlier when the interplanetary zones were clearing in the solar system.

The Kuiper Belt has bits of rocks, comets, ice, and the dwarf planets. It is similar to the asteroid belt but it is more complex and larger.

Asteroids are discovered by a systematic search for a planet between Mars and Jupiter in the asteroid belt.

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The molarity of the aqueous solution is determined as 0.72 M NaOH.

Molarity is used to express the concentration of a solution. It is described as the number of moles of a solute in a given concentration of a solution.

Mathematically, molarity is given as;

M = n/V

where;

The volume of the water is calculated as follows;

volume = mass / density

volume = (5 kg) / (1000 kg/m³)

volume = 0.005 m³

The volume of the water in liters is calculated as follows;

volume = 0.005 m³ = 5 liters

The given parameters;

number of moles of the solute = 3.6 moles

Molarity = 3.6 moles / 5 L

molarity = 0.72 M

Thus, the molarity of the aqueous solution of sodium hydroxide is determined from the ratio of number of moles to the volume of the solution.

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Answer:

Both methane and nitrous oxide are more effective greenhouse gases than carbon dioxide.

Explanation:

Not really sure what the problem is, the answer is given in the question.

The question asks "Which compares the effectiveness of methane and nitrous oxide as a greenhouse gas with that of carbon dioxide. Both methane and nitrous oxide are more effective greenhouse gases than carbon dioxide."

The first part of the question is "Which compares the effectiveness of methane and nitrous oxide as a greenhouse gas with that of carbon dioxide."

The second part of the question is literally the answer, "Both methane and nitrous oxide are more effective greenhouse gases than carbon dioxide."

it could be that you just accidentally pasted the same thing twice, and the original question was just "Which compares the effectiveness of methane and nitrous oxide as a greenhouse gas with that of carbon dioxide."
In that case, remember that the order of greenhouse gas potency is Carbon dioxide, methane, nitrous oxides, chlorofluorocarbons. Thus, nitrous oxide and methane are both more potent than carbon dioxide.

Weight of water displaces is 9.0 × [tex]10^{-2}[/tex]  kg.

By the help of Archimedes’ principle,

F = weight of water displaces

Given, F = 9.0 × [tex]10^{-2}[/tex] N

Hence, weight of water displaces is 9.0 × [tex]10^{-2}[/tex]  kg.

Archimedes' principle states that a body immersed in a fluid is subjected to an upwards force same to the load of the displaced fluid. this is a first circumstance of equilibrium. We recall that the above force, referred to as pressure of buoyancy, is located in the center of the submerged hull that we name center of buoyancy.

He did supposedly get an concept as he sat down in a bath, but it wasn't approximately buoyancy that is the phenomenon on which his principle is based. Archimedes' principle states that any object, completely or in part immersed in a fluid, is buoyed up via a force equal to the burden of the fluid displaced through the object.

It is utilized in designing of ships and submarines. It is used in lactometers to determine the purity of milk. it is used in hydrometers to decide density of fluids. It is used in hydraulic lifts.

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Answer:yes

Explanation: Because i can help u

Answer:

BLACK

Explanation:

the color is black

Answer: 1st one is black second one is also black

Explanation:

The formula for Ag ^+ and Na2S is,

Net Ionic Equation

2Ag + Na2S = Ag2S + 2Na might be an ionic equation.

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The speed of the sound wave is 340 mrter per second.

f = frequency of sound wave = 680 hertz

λ = wavelength of sound wave = 0.5 meter

v = speed of the sound wave

We know that the velocity of a sound wave is given by

speed of sound wave = frequency wave of sound x wavelength of sound wave

v = f λ

Substituting the above values into the above equation

v = (680 hertz) (0.5 meters)

v = 340 meters per second

Therefore the speed of sound waves is 340 meters per second.

Sound waves are pressure waves. They can be seen as pressure fluctuations over time. Sound waves are transverse waves. To hear the sound of a tuning fork, the tines on the fork must move air from the fork to the ear. Most sound waves are produced by vibrating objects. Sound is a kind of energy produced by vibration.

These vibrations create sound waves that travel through media such as air water, and wood. When an object vibrates it creates motion in the particles of the medium.

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Answer:

x = 549.5ml

Explanation:

As per the given data,

Volume of alcohol = 70% (v/v) = 70 ml in 100ml solution

Volume of the compound present = 785ml

From the above given values,

x ml solute/785 = 70/100

x ml solute = 70*785/100

x = 549.5ml

therefore, the volume of solute is 549.5ml.

date:09-10-2022

Eris is round an orbits the sun, it is slightly smaller than the planet Mercury. Yet, Eris is classified as a dwarf planet because Eris is a plutoid. It is a trans-Neptunian dwarf planet. It is the most distant dwarf planet which  is located beyond the orbit of the Neptune.

The orbital characteristics of Eris are more specifically categorized as a scattered disk object. It has been scattered into more-distant and unusual orbits which follows the gravitational interactions with the Neptune as the solar system was forming.

Eris was discovered in 2005 and was classified as the planet. It is a celestial body that orbits the sun, and has enough mass to be round in shape. It has not cleared neighborhood around its orbit as it is a dwarf planet.

Eris is classified as a plutoid because it is farthest from the sun than Neptune. It is massive enough to be pulled into a spherical shape but not as massive as eight planets of solar system.

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Al₃⁺(aq) + 3OH⁻(aq) → Al(OH)₃(s) is the first and Al³⁺(aq) + 3NH₄OH → Al(OH)₃(s) +3NH₄⁻(aq) is the second net ionic equations for the addition of aqueous ammonia to aluminum nitrate

The net ionic equation is the chemical equation that shows only those elements or compounds or ions that are directly involved in the chemical reaction

So, first and second net ionic equations for the addition of aqueous ammonia to aluminum nitrate are

Complete ionic equation is

Al₃(aq) + 3NO₃(aq) + 3NH₄⁻(aq) + 3OH⁻(aq) → Al(OH)₃ (s) + 3NH₄⁺(aq)+ NO₃⁻(aq)

So two net ionic equations are

Al₃⁺(aq) + 3OH⁻(aq) → Al(OH)₃(s)

Al³⁺(aq) + 3NH₄OH → Al(OH)₃(s) +3NH₄⁻(aq)

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This reaction is exothermic reaction and amount of heat that was released or absorbed by the reaction is 208.8kJ and reaction enthalpy means ΔH is 705.91kJ/mol

An exothermic process releases heat causing the temperature of the immediate surroundings to rise

Here given reaction is

KOH → K⁺ + OH⁻

So, here given data is 14.4 gram of potassium hydroxide in 250 gram of water and the temperature of water rise from 20°C to 34.5°C and

We have to find which type of reaction is this =? and

Calculate heat released or absorbed by this reaction =? and

Calculate reaction of enthalpy ΔH = ?

So this reaction is exothermic because when potassium react with water it gives potassium hydroxide and in that potassium hydroxide the potassium is positive charge and OH has negative charge

Amount of heat released or absorbed by the reaction the formula are

q = m×c×ΔT and ΔT =  20°C - 34.5°C = 14.5°C and c = 0.452J/g°C

q = 14.4 gram×0.452×14.5°C

q = 94.377kJ

Reaction enthalpy means  ΔH so,

ΔHreaction = m×s×ΔT

ΔHreaction =  14.4 gram×94.377kJ×14.5°C

ΔHreaction = 705.91kJ/mol

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Answer:

determining the melting point of a substance

Explanation:

Answer:

Explanation:

Coal is a cheap and abundant resource, and carbon dioxide (CO2) from coal use is responsible for about 40 percent of global greenhouse gas (GHG) emissions from fossil fuel use.

Once started, nuclear fission reactions are able to continue to occur on their own because a neutron begins the reaction, and more neutrons are formed in it; option D

Nuclear fission is a type of nuclear reaction in which the nucleus of atoms of large molecular mass is split into two or more smaller atomic nuclei.

Nuclear fission reactions result in the release of large amounts of heat energy and radiation.

Nuclear fission reactions once started, are able to go on occurring on their own until all fissionable material is used up. This is known as a chain reaction.

A chain reaction in nuclear fission occurs because when the atomic nucleus of the large atom is bombarded with fast-moving neutrons, the neutrons that are captured by the nucleus of the large atom results in the fission of the atom and the release of more neutrons that initiate more fission reactions.

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Assuming you can't wish for infinite wishes:

1. Hyperintelligence

2. Elite athleticism (within the confines of human limitations of course. So just being a 99th percentile athlete)

3. The ability to summon a delicious steak of any variety at any level of doneness at any moments notice

Answer: Molarity  (M) = 6.897 x 10-4 (exponent)

Explanation:  Atomic weight of KI is 166.028

12.6 mg = 0.126g/ 166.028 =  7.58 x 10-5 mol

Molarity (M) = concentration

M = moles(n)/Volume (in liters)

M= 7.58 x 10-5 mol/0.1099L = .0006897 M = 6.897 x 10-4 (exponent)

For the acid-base reaction between cesium hydroxide and nitric acid, the given equations are as follows:

Acid-base reactions are reaction in which acids reacts with bases to form salt and water only.

Acid-base reactions are called neutralization reactions since the acid and base are both neutralized to a neutral substance, salt.

The equations in the acid-base reaction of Cesium hydroxide (aq) and nitric acid (aq) are described below:

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The statement that when solving problems using dimensional analysis, the units cancel out diagonally from each other is TRUE.

Dimensional analysis  can be referred to as the analysis of the relationships between different physical quantities by identifying their base quantities and units of measure and tracking these dimensions as calculations or comparisons are performed.

The main idea in Dimensional Analysis is to be able to create a conversion ratio that has the units you want in the numerator and the units you already have in the denominator.

The statement that when solving problems using dimensional analysis, the units cancel out diagonally from each other is TRUE.

Dimensional analysis allows you to convert units by multiplying the old measurement by one (or more) forms of the number 1. While we know that the multiplication by 1 does not change the value of the measurement, it in effect does change the measurement's units.

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