consider a solution formed by the dissolving of sodium acetate (nac2h3o2) in pure water. is the resulting solution acidic, basic or neutral? why?

Answer:

O ( Oxygen )

because oxygen atom is a non metal and highly electronegative which reacts by itself to form a di-molecular compound of Oxygen

\(O _{2}\)

Answer:

In solid state, melting point of Argon is -189 degrees Celcius.

Answer:

magnitude means absolute value, so the one that is greastest, like |-7| and |4| even id |-7| is a negative number, but it is still the one farthest away from 0, so |-7| is greater than |4|.

That is the way to find the greatest magnitude, but because I don't know your numbers so I can not answer your question, but this is the way to solve for it.

HOPE THIS HELPS!!!!!!!!!( IF IT DOES PLEASE MARK ME AS BRAINLIEST )

Answer:

2 g/mL

Explanation:

d = m/v

d= 8/4

d=2

hope that helps!

Answer:

chemical and acidric

Explanation:

hope it's help make me brainless pls

work done on the ship if it moves 2000m is 15×\(10^{6}\)J

When an external pulling force is applied to an object, the object moves from one place to another or we can simply say that it changes its position. The amount of work required to move the object from its initial position to the final position is directly proportional to the force applied to the object.

Work done depends on two main components that is force and displacement of an object. The displacement of an object must happen along the line of action of the force in order for the force to do work on the object.

Work has units of energy because it is defined as an amount of (transferred) energy, so work usually has units of J (joules).

To calculate work the formula that we use is;

W = F × d, where W = work done, F = Force  and d = distance

W = 7500N × 2000m

W =  15×\(10^{6}\)J

Therefore 15×\(10^{6}\)J of work is done on the ship.

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Propanal and acetone are the IUPAC names for the chemical.

Propanal, commonly known as propanaldehyde, is an aldehyde with one double bond and one oxygen atom.

Acetone is a ketone compound. R2CO is the functional group of ketones.

Thus, Propanal and acetone are the IUPAC names for the chemical.

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Answer:

\(\lambda = 9.376*10^{-8} m\)

Explanation:

From the question we are told that:

 \(n=6level\)

Generally the equation for Energy is mathematically given by

 \(E=\frac{hc}{\lambda}\)

Since

Energy difference will be maximum when electron return to ground state

And Shortest wavelength is emitted when  there is largest energy difference

Therefore

 \(1/\lambda = R* (\frac{1}{nf^2} - \frac{1}{ni^2})\)

Where

 \(R=Rydberg\ constant\)

 \(R = 1.097*10^7\)

Therefore

 \(1/\lambda = 1.097*10^7* ((\frac{1}{1^2} - \frac{1}{6^2})\)

  \(\lambda = 9.376*10^{-8} m\)

Answer: Centimeters

Explanation: no explanation needed

Answer:

First 1-5 in pics

I can't upload further reactions

Explanation:

6. Lucas test

ROH + Zncl2 +HCl ---> RCl + H2O

7. esterification

R-OH +R’-COOH +H+↔ R’-COOR

Alligator nests made of mud and twigs is an example of qualitative data. Thus option B is correct.

There are different types of data which describe the things after assigning value to it, mandatory to organize, process, and present the information in a useful way is the aim of data analysis.

There are two major types of data used in research such as Qualitative data presented in words and descriptions, can only be observed  harder to analyze; Examples are taste, experience, texture, or opinion

Quantitative data refers to those data which can be measured and expressed in the form of numerical value, can be measured in different units; Examples are  age, rank, cost, length, weight etc.

Another data called Categorical data represents in a group form like a person responding by answering the question in a field survey.

Thus option B is correct.

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Answer:

Neon consisted of atoms of two different masses but chemically alike. ... Movement of electrons between energy levels in atom must absurb just a certain amount energy to move to higher level can't hover between levels.

Answer:

1/2 cup evaporated milk plus 1/2 cup water.

Explanation:

Cl\(_2\) is classified as a nonelectrolyte. Therefore, the correct option is option B among all the given options.

A material that contains ions and is electrically conducting due to the mobility of those ions but does not conduct electrons is called an electrolyte. This covers the majority of soluble salts and acids.

Bases that have been dissolved inside a polar solvent, such water. The material splits into cations as well as anion during dissolution. Cl\(_2\) is classified as a nonelectrolyte.

Therefore, the correct option is option B.

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Answer:

uranus

Explanation:

neptune is the darkest as it recieves the minimum sunlight

Answer:

the answer is Jupiter which is farther

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question we have

\(denstity = \frac{100}{10} \\ \)

We have the final answer as

Hope this helps you

Answer:

thanks

Explanation:

Answer:

a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis.

Explanation:

the scienticif Method and the second step of the scientific

The process of taking a product idea to consumers to test their reactions is known as product screening.

Product concept tests are a type of market research that provide important early-stage information into how customers will react to product, design, and marketing ideas. Concept testing can help you fine-tune the finished product and determine what connects with consumers before you devote time, resources, and manufacturing hours. When you create a product, you do so with the expectation that consumers will find it appealing. Simply put, product concept testing aids in the verification of that presumption.

1. It enables you to get rid of terrible ideas: If your team is considering several product concepts, concept testing can assist you in determining which (if any) may be useful to clients. Bad ideas can be expensive to pursue, and if they receive enough attention, they may harm the reputation of your business. You may conserve resources and money by conducting market research on your ideas before they are developed. This will help you weigh opposing viewpoints intelligently and make wise conclusions.

2. You save time and money: Concept testing does take more time throughout the development process, but consider how much time and money you'll save by only buying things that have been examined (and approved) by a test group.

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200 mL of 0.10 M BaCl2 contains 0.02 moles of BaCl2.

An insoluble, white precipitate of BaSO4 is created by the interaction of Na2SO4 with BaCl2 in water. This suggests that the reaction is a twofold displacement one. since the reactants' chemical characteristics and composition are different from those of the products generated. It is therefore a chemical alteration. It's called a "twofold displacement reaction" when one reactant is only partially replaced by another.

moles = concentration x volume (in liters)

Converting 200 mL to liters:

200 mL equals to 200/1000 L = 0.2 L

Using the formula:

moles of BaCl₂ = 0.10 M x 0.2 L = 0.02 moles

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Answer:

0.02 moles is the correct answer

Explanation:

Answer:

Option B. 4.25×10¯¹⁹ J

Explanation:

From the question given above, the following data were obtained:

Frequency (f) = 6.42×10¹⁴ Hz

Energy (E) =?

Energy and frequency are related by the following equation:

Energy (E) = Planck's constant (h) × frequency (f)

E = hf

With the above formula, we can obtain the energy of the photon as follow:

Frequency (f) = 6.42×10¹⁴ Hz

Planck's constant (h) = 6.63×10¯³⁴ Js

Energy (E) =?

E = hf

E = 6.63×10¯³⁴ × 6.42×10¹⁴

E = 4.25×10¯¹⁹ J

Thus, the energy of the photon is 4.25×10¯¹⁹ J

Answer:

B. 4.25 x 10-19J is correct via a p e x

Explanation:

Yes, the aluminum can will explode if you threat it up to 710°C because the pressure of the gas will be 6.5 atm which is more than 6 atm.

The maximum pressure the aluminum can will stand is calculated as follows;

PV = nRT

where;

The given parameters include;

P = 2.00 atm =  202650 Pa

V = 0.355 m³

n = PV / RT

n = (202650 x 0.355 ) / (8.314  x 303)

n = 28.6 mol

The pressure at 710°C is calculated as follows;

n = (PV) / (RT)

P = (nRT) / V

P = (28.6 x 8.314 x 983) / 0.355

P = 658,417.28 Pa = 6.5 atm

Thus, the pressure at 710°C is more than the maximum pressure the can cannot withstand which is 6 atm, so the can will explode.

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The number of ionic bond in copper is zero.

Pure copper or any pure metal for that matter are examples of metallic bonds, which are neither ionic nor covalent. The copper atoms are stacked very tightly in a solid lattice. In fact it has a face centered cubic lattice which is the closed packing of atoms possible. Each atom has twelve nearest neighbors which allows their 4s orbitals (mostly) to have the optimal overlap. All of these orbitals therefore combine in one gigantic band of delocalized orbitals that spans the entire crystal with its myriad atoms. This band is only partly filled and the difference in energy between one state and the next is puny, which explains copper’s outstanding conductive properties.

Therefore, the bonding in copper has a metallic character.

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Answer:

Any two reasons will be :

1:- It is based on atomic number.

2:-Problem regarding Position of isotopes is resolved.

Hope this helped

Hope this helped ALL THE BEST !!

Answer:

The modern periodic table has more info and more elements

Explanation:

Answer:

CuSO₄·2H₂O  <=> Copper(II) Sulfate Dihydrate

Explanation:

CuSO₄  <=> Copper(II) Sulfate Anhydrate

CuSO₄·2H₂O  <=> Copper(II) Sulfate Dihydrate

Answer:

A). An independent variable

Explanation:

The Independent variable is characterized itself as the variable that is controlled or manipulated by the experimenter to observe its direct impact on the dependent variable. It is a variable that is not dependent and can stand alone. For example, if a student aims to observe the impact of temperature on solubility of a substance(sugar/salt) in a liquid, the temperature will be the independent variable as any change in the temperature will directly affect the solubility power of the liquid. Thus, option A is the correct answer.

Answer:

D.

Explanation:

Answer:

Titration is a procedure in which a solution is called the titrant. Whose concentration is known very accurately is dispensed by a burette and reacted with a known volume of another solution of unknown concentration is called the analyte. By measuring the amount of titrant needed to neutralize the analyte, you can determine the concentration of the analyte very accurately.The "end point" of a titration is the point at which the titration is complete, typically when an added indicator solution such as phenolphthalein changes color. The "equivalence point" is closely related to but not necessarily identical with the end point. The equivalence point is the point at which the number of moles (or equivalents) of titrant exactly equals the number of moles (or equivalents) of analyte.Ideally, the end point should exactly equal the equivalence point, but in the real world they are slightly different.

For example, titrate a hydrochloric acid analyte with a sodium hydroxide titrant, using phenolphthalein as an indicator. Phenolphthalein is colorless in acid solutions, and pink in base solutions, but no color change occurs until the pH of the solution reaches about 8.2, well into the basic range.

Titration is a laboratory technique used to determine the concentration of a substance in a solution.

It involves a controlled chemical reaction between a known volume of a solution with a known concentration (the titrant) and the solution with an unknown concentration (the analyte). The process is typically used in acid-base reactions or for various other types of chemical analyses.

Here's a brief overview of the titration process:

Preparation: The solution with the unknown concentration (analyte) is placed in a titration flask, and a few drops of an indicator (a chemical that changes color depending on the pH of the solution) are added to the analyte. The titrant, a solution with a known concentration, is filled in a burette.

Slow addition: The titrant is added slowly from the burette to the analyte solution in the flask. The mixture is swirled gently to ensure proper mixing.

Endpoint detection: The indicator's color change signals the completion of the reaction between the analyte and titrant. This point is called the endpoint. For example, in an acid-base titration, the endpoint is often reached when the solution changes color due to the neutralization reaction.

Volume measurement: The volume of the titrant used to reach the endpoint is recorded. The volume is typically measured with high precision since it is used to calculate the unknown concentration of the analyte.

Calculation: Using stoichiometry and the volume of titrant used, the unknown concentration of the analyte can be determined.

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