Explain all of the conversations of kinetic and potential energy from point A to D.

The ion's change in kinetic energy will be [tex]4.0 \times 10^3\;eV[/tex]

Given the following data:

Charge = 2 Coulombs.

Potential difference = [tex]2.0 \times 10^3 \;Volts[/tex]

Mathematically, kinetic energy of a charge is given by this formula:

[tex]K.E = qV[/tex]

Where:

Substituting the given parameters into the formula, we have;

[tex]K.E = 2 \times 2.0 \times 10^3 \\\\K.E = 4.0 \times 10^3\;eV[/tex]

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Answer:

[D]can be reversed with no net change in either system or surroundings

A reversible process is one that can be reversed with no net change in either system or surroundings. Therefore, option (D) is correct.

A thermodynamic process can be reversible if the process can be turned back to both the system and the surroundings to return to their original states, with no other change in the universe.

No such processes as reversible processes can exist and these processes can easily be defined as idealizations or models of real processes.

A few examples of Reversible Processes: are the extension of springs, slow adiabatic compression or expansion of gases, electrolysis, the frictionless motion of solid, slow isothermal compression or expansion of gases

An irreversible process is a process in which the system and the surroundings do not return to their actual condition once the process is initiated. Examples of irreversible processes are Heat transfer, Diffusion, and electricity flow through a resistance.

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Answer:

1 answer

Explanation:

Answer:

376.56J

Explanation:

The amount or quantity of heat absorbed can be calculated using the formula:

Q = m × c × ∆T

Where; Q = amount of heat absorbed (J)

m = mass of water (g)

c = specific heat capacity of water (J/g°C)

∆T = change in temperature (°C)

According to the provided information in this question; m = 10.0g, c = 4.184J/g°C, final temperature = 32°C, initial temperature = 23°C

Q = m × c × ∆T

Q = 10 × 4.184 × (32 - 23)

Q = 41.84 × 9

Q = 376.56J

Answer:

C8H18

Explanation:

Answer:

Loss of oxygen

Explanation:

Shortcut defination of oxidation and reduction

Answer:

Ethenol + Oxygen = water + Carbon Dioxide C2H5OH + 3O2 = 2CO2 + 3H2O

Explanation:

Answer:

Answer: The radii of main-sequence stars increases as mass increases. Main Sequence stars? Answer: Giants have larger radii compared to main-sequence stars of the same luminosity.

Explanation:

Answer:

The correct answer should be (A) 100%.

Explanation:

Since both the bull & the cow are hom0zygous (meaning they each have two identical alleles in their genes) and the black bull possesses the dominant gene, we can assume that our Punnett square should look like the model I attached below. Since "Bb" would contribute to the percentage of black-colored offspring, and all of the squares end up with "Bb", that means that 4 out every 4 offspring will be dark in color. Or, put more simply, the percentage of the offspring that will be black in color is 100%.

Answer:

2Al + 3NiSO4 -> Al2(SO4)3 + 3Ni

Explanation:

You just had to balance the equation by looking at Al2(SO4)3. It helps to pick the right coefficients for other components.

The correct set of coefficients for the balanced equation is: 2, 3, 1, 3.

When balancing the equation:  2Al + 3NiSO₄ → Al₂(SO₄)₃ + 3Ni .The coefficients indicate the number of each compound or element required for the equation to be balanced. In this case, the equation is balanced by ensuring that the number of atoms of each element is the same on both sides of the equation.

By placing the coefficients 2 and 3 in front of Al and NiSO₄, respectively, it ensures that there are an equal number of aluminum and nickel atoms on both sides. Additionally, the coefficient 3 in front of Ni and Al₂(SO₄)₃ ensures an equal number of nickel and sulfate groups.

Balancing equations is important because it follows the principle of conservation of mass, ensuring that no atoms are gained or lost during a chemical reaction. The set of coefficients chosen allows for the equation to meet this principle and maintain a balanced representation of the chemical reaction.

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Answer:

2C3H8S +13O2 =6CO2 +8H20 +2SO3

Answer:

get from (4,1) to (2,9) go up 8 and over 2 left (-2) - (4 - 2, 1 + 8), do this again (2 - 2, 9+8) and end up at (0,17) which is the y how do you change 7x+3y=3 into slope intercept form.

get from (4,1) to (2,9) go up 8 and over 2 left (-2) - (4 - 2, 1 + 8), do this again (2 - 2, 9+8) and end up at (0,17) which is the y how do you change 7x+3y=3 into slope intercept form.

get from (4,1) to (2,9) go up 8 and over 2 left (-2) - (4 - 2, 1 + 8), do this again (2 - 2, 9+8) and end up at (0,17) which is the y how do you change 7x+3y=3 into slope intercept form.

get from (4,1) to (2,9) go up 8 and over 2 left (-2) - (4 - 2, 1 + 8), do this again (2 - 2, 9+8) and end up at (0,17) which is the y how do you change 7x+3y=3 into slope intercept form.

Answer:

Chadwick-he discovered the neutron. He discovered this by demonstrating a neutral particle with a mass the same as a proton through a reaction between gramma Ray's and a wax sample.

Rutherford-he discovered the concept of radioactive half-life, the radioactive element radon, and named alpha and beta radiation.

j.j.Thompson discovered that atoms where made up of smaller components. This had major effects for the field of physics.

:)

Answer:

hi

Explanation:

hi

Answer: Pulley or a crane.

Explanation:

Answer:

An inclined plane would have to be too long, and a lever would be impractical. Pulleys are best used to raise objects.

Explanation:

carbon(iv) oxide and water.

Answer:

A standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles.

All the data is given in the question and these are as follows:-

Moles - 0.75

Na - 6.022*10^{23

The formula we are using to find the molecules is as follows:-

n = \frac{molecule}{Na}n=

Na

molecule

After, putting the value and solving it. we will get

0.75 * 6.022*10^2^3 = 4.5165*10^{23

Answer:

[tex]\boxed {\tt 5.26315789 \ m/s}[/tex]

Explanation:

One way to find velocity is by dividing the distance by the time.

[tex]v=\frac{d}{t}[/tex]

The distance traveled by the man is 100 meters.

The time is 19 seconds.

[tex]d=100 \ m \\t= 19 \ s[/tex]

[tex]v=\frac{100 \ m}{19 \ s}[/tex]

Divide.

[tex]v=5.26315789 \ m/s[/tex]

The man's velocity is 5.26315789 meters per second.

Answer:

buffer

Explanation:

Answer:

bc the water molecules freeze

Answer:

One sentence that can be written for evidence is:

Fossils. Fossils document the existence of now-extinct past species that are related to present-day species.

Answer:

Both A and R are true and R is the correct explanation of A

Explanation:

Answer:

ionization energy is the answer

Answer:

I guess the answer is D point

Answer:

B. Energy stored in molecular bonds

[tex]\huge\bold\red{Answer:-}[/tex]

It’s the same as when magnesium reacts with liquid water, only faster:

Mg + 2H₂O → MgO + H₂.

The difference is that in water, the reaction has a second step, converting MgO to Mg(OH)₂.

Answer: chromatography

Explanation:

Answer:

this is right because carbon and oxygen complete its octet

The main difference between electronegativity and electron affinity is that electronegativity is the ability of an atom to attract electrons from outside as far as electron affinity is the amount of energy an atom receives when an electron. Electron negativity is applied to a single atom.

The amount of millimoles of solid naoh that must be added to 50.0 milliliters is: 5.0 mmol of NaOH.

The [H+] at pH 7.49 is:

[H+] = 10–^7.49

[H+]= 3.24×10–^8 M

And when the solution is half-neutralized pH will be:

pH = pKa while  [OCl– ]÷[HOCl] = 1

Now let find the millimoles of solid naoh:

0.20 mol HOCl÷1 L× 50.0 mL

= 10.0 mmol HOCl

Half of 10.0 mmol HOCl will be added

Millimoles of solid naoh=10.0 mmol HOCl÷2

Millimoles of solid naoh= 5.0 mmol of NaOH

Inconclusion the amount of millimoles of solid naoh that must be added to 50.0 milliliters is: 5.0 mmol of NaOH.

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The mass of nitrogen, N₂ required to react with 5.04 grams of oxygen O₂ is 1.76 grams

2N₂ + 5O₂ —> 2N₂O₅

Molar mass of N₂ = 2 × 14 = 28 g/mol

Mass of N₂ from the balanced equation = 2 × 28 = 56 g

Molar mass of O₂ = 2 × 16 = 32 g/mol

Mass of O₂ from the balanced equation = 5 × 32 = 160 g

SUMMARY

From the balanced equation above,

160 g of O₂ reacted with 56 g of N₂

From the balanced equation above,

160 g of O₂ reacted with 56 g of N₂

Therefore,

5.04 g of O₂ will react with = (5.04 × 56) / 160 = 1.76 g of N₂

Thus, 1.76 g of N₂ is needed for the reaction

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