An electron in a hydrogen atom moves from level 1 to level 4. The electron then drops from level 4 to level 2. Which
statement describes the most likely result?
O The energy absorbed in the first move equals the energy released in the second move.
O The energy absorbed in the first move is greater than the energy released in the second move.
O The energy released in the first move equals the energy absorbed in the second move.
O The energy released in the first move is greater than the energy absorbed in the second move.

Answers

Answer 1

Answer:

The energy absorbed in the first move is greater than the energy released in the second move

Explanation:

Electrons require (absorb) energy to move to a higher energy level when there is a large external heat source, the presence of an electric field or by colliding with other electrons

And the amount of energy absorbed by the electron is exactly equal to the change in the energy state between the initial energy level of the electron and the destination energy level

Therefore, given that the energy level of the electron at level 2 is higher than the energy level of the electron when at level 1, we have;

The difference in the energy level between level 4 and level 1 is greater than the difference in the energy level between level 4 and level 2 and more energy is absorbed and therefore, released when the electron moves from level 1 to level 4 than when the electron drops from level 4 to level 2.

The most likely result is that 'the energy absorbed in the first move is greater than the energy released in the second move'.


Related Questions

when potassium chloride is dissolved in water *
a)heat is given off
b)heat is taken in
c)temperature stays same

Answers

Answer:

Option B . heat is taken in

Answer:

B

Explanation:

we need to eat,drink,and sleep to be healthy

Fossil fuels are considered to be:
a.
irreplaceable resources
c.
renewable resources
b.
nonrenewable resources
d.
hazardous wastes


Please select the best answer from the choices provided

A
B
C
D

Answers

A irreplaceable resources

HELPPP 50 POINTS

How are the things people are
doing helpful to them and harmful to them?

Answers

i don't understand your question?

.Write a short paragraph describing how electronegativity and molecular shape determine the polarity of a molecule. In your paragraph, describe why chemists consider relative electronegativity values and not absolute electronegativity values when determining the polarity of a bond. Also explain how a molecule with polar bonds can be non-polar overall

Answers

Answer:

See explanation

Explanation:

Electro negativity refers to the ability of an atom in a molecule to attract the shared pair of electrons of a bond closer to itself.

In a molecule, the polarity of bonds is determined by the relative electro negativity of the bonding atoms. If the difference in electro negativity between the atoms in a bond is significant, such a bond is polar in nature e.g H-Cl, H-Br, C-F, etc.

However, the occurrence of polar bonds in a molecule alone does not guarantee the polarity of the molecule. The polarity of a molecule also depends on the shape of the molecule since dipole moment is a vector quantity.

A molecule is polar when the resultant dipole moment which is determined by the shape of the molecule is non zero.

For instance, CO2 contains two polar C-O bonds but the molecule is non polar because the two dipole moments cancel out. Also, symmetrical molecules are nonpolar irrespective of the presence of polar bonds in the molecule.

14. Ionic compound is brittle solid but break
apart when hit this property is due to...
A) Dissolved in water
B) Arrangement of similar ions
C) Ions do not move
D) Arrangement of opposite ions

Answers

Answer:

A

not sure of answer ndhfhfjfjcjfjfj

How much liquid is needed to prepare 629.1mL of a solution that has a new concentration of 11.2M if the stock solution is 26.1M

Answers

Answer:

270. mL

General Formulas and Concepts:

Acid-Base Titrations

Dilution: M₁V₁ = M₂V₂

M₁ is stock molarityV₁ is stock volumeM₂ is new molarityV₂ is new volume

Explanation:

Step 1: Define

Identify

[Given] V₂ = 629.1 mL

[Given] M₂ = 11.2 M

[Given] M₁ = 26.1 M

[Solve] V₁

Step 2: Find Stock Volume

Substitute in variables [Dilution]:                                                                     (26.1 M)V₁ = (11.2 M)(629.1 mL)Multiply:                                                                                                             (26.1 M)V₁ = 7045.92 M · mLIsolate V₁ [Cancel out units]:                                                                            V₁ = 269.959 mL

Step 3: Check

Follow sig fig rules and round. We are given 3 sig figs as our lowest.

269.959 mL ≈ 270. mL

What are the two factors that affect that density of matter ?

Answers

Mass and volume are two factors that affect that density of matter!

Need help asap please!
Which contributes to the polarity of a water molecule?

A. a linear shape along with strong covalent bonds

B. deflection of hydrogen atoms by lone pairs of electrons

C. no difference in the electronegativity of oxygen and hydrogen

D. hydrogen bond formation between water molecules

Answers

Answer:

B

Explanation:

because polarity of the water molecules is due to the B. deflection of the hydrogen atoms by the lone pair of electrons.

Answer:

B

Explanation:

The photograph below shows the East African Rift Valley in Africa. Which tectonic movement
of Earth’s crust is most likely responsible for this feature?

Answers

Answer:

divergence of continental crust

Explanation:

(04.04 LC)
During light-dependent reactions, carbon dioxide is converted to glucose.
True
O False

Answers

Answer:

false

Explanation:

it happens in light-independent reactions

the structure of carbon dioxide using dots and crosses​

Answers

Answer:

on image

Explanation:

There is a close relation between forest
and wildlife.​

Answers

Answer:

habitat

Explanation:

wild animal need

What is nitrogen?? explain!! ​

Answers

Answer:

Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.

Explanation:

Nitrogen is a naturally occuring element that is essential for growth and reproduction in both plants and animals.

Hope it's help you~✌️✌️

Which will boil faster distilled water or salt water and why?

Answers

Answer:

The distilled water will be boiled faster as it does not contain any non - volatile solute.

- The salty water contains different non - volatile salts in it.

- Due to the presence of these salts, its vapour pressure will be decreased and boiling point will be elevated.

- So, salty water will take more time to boil.

- On the other hand, distilled water does not have any such solute and due to this its vapour pressure will not be affected.

- Hence, it will boil fast than salty water.

existen mas de 10 millones de cmpuestos organicos o inorganicos

Answers

so dfhhdjdjjfjfjjdjdjdj

Need answer ASAP!!!!

Select the correct answer.
What happens to sodium chloride when it dissolves in water?
© A. Electrons are transferred from sodium atoms to chlorine atoms, forming positive and negative ions.
O B.
Each sodium ion pairs with a chloride ion, and the pair of ions is surrounded by water molecules.
C.
The water molecules attract both the sodium ions and the chloride ions, pulling them together.
© D.
The sodium ions are separated from the chloride ions, and both dissolve separately into the water.

Answers

Answer:

I am sure it is D or C. have a nice day

Is distilled water pure or impure

Answers

Answer:

pure

Explanation:

Distilled water is a form of pure water, hence it is not bad or harmful to drink distilled water.

Answer:

I think it's pure. hope this helps◉‿◉

Help a girl out, please!!!!!

Answers

Answer:

The answer will be Number C that is positively and part of the nucleus

Answer:

Part C best describes a proton, as it is positively charged and part on the nucleus

20 POINTS!!
What is the enthalpy of combustion when 1 mol C6H6(g) completely reacts with oxygen?
2C6H6(g) + 15O2(g) ? 12CO2(g) + 6H2O(g)

Options:
A. - 6339 kJ/mol
B. - 3169 kJ/mol
C. 1268 kJ/mol
D. 6339 KJ/mol

Answers

Answer:

-3169

Explanation:

trust the process

-3169 kJ/mol is the enthalpy of combustion when 1 mol [tex]C_6H_6(g)[/tex] completely reacts with oxygen.

Explanation:

Given:

The reaction of combustion of [tex]C_6H_6(g)[/tex] along with enthalpies of formation of the compounds.

To find:

The enthalpy of combustion when 1 mol [tex]C_6H_6(g)[/tex]  completely reacts with oxygen.

Solution:

[tex]2C_6H_6(g) + 15O_2(g) \rightarrow 12CO_2(g) + 6H_2O(g)[/tex]

Enthalpy of the reaction:

[tex]\Delta H^o_{rxn}=\sum [\Delta H^o_{f,products}]-\sum [\Delta H^o_{f,reactants}]\\=[12mol\times \Delta H^o_{f.CO_2(g)}+6mol\times \Delta H^o_{f,H_2O(g)}]-[2 mol\times \Delta H^o_{f.C_6H_6(g)}+15\times \Delta H^o_{f,O_2(g)}]\\=[12mol\times (-393.50 kJ/mol)+6mol\times (-241.82 kJ/mol)]-[2mol\times 82.90kJ/mol+15mol\times 0 kJ/mol]\\=-6338.72 kJ[/tex]

[tex]2C_6H_6(g) + 15O_2(g) \rightarrow 12CO_2(g) + 6H_2O(g).\Delta H^o_{rxn}=-6338.72 kJ[/tex]

When 1 mole of [tex]C_6H_6(g)[/tex]  reacts with oxygen gas:

[tex]=\frac{\Delta H^o_{rxn}}{\text{2 mol of } C_6H_6}\\=\frac{-6338.72 kJ}{2 mol}\\=-3169.36 kJ/mol\approx -3169 kJ/mol[/tex]

-3169 kJ/mol is the enthalpy of combustion when 1 mol [tex]C_6H_6(g)[/tex] completely reacts with oxygen.

Learn more about enthalpy of combustion here:

brainly.com/question/10583725?referrer=searchResults

brainly.com/question/4075722?referrer=searchResults

What is the compound name of NO3?

Answers

Answer:

NITRATE ION

Explanation:

Nitrate is the compound Nitrogen Oxygen Oxygen Oxygen

PLEASE HELP ME PLEASE PLEASE NOW

Answers

Answer:

the amount of trials in an experiment

1
A coil of wire with an iron inside
becomes an? when there is
current.
Enter your answer

Answers

Answer:

A magnet

Explanation:

Which organisms release carbon dioxide into the air (abiotic matter) in an ecosystem?

only producers


only decomposers


only consumers


producers, consumers, and decomposers

Answers

Answer:

All 3

Explanation:

Decomposers break apart complex organic materials into more elementary substances: water and carbon dioxide, plus simple compounds containing nitrogen, phosphorus, and calcium. All of these components are substances that plants need to grow.

Some decomposers are specialized and break down only a certain kind of dead organism. Others are generalists that feed on lots of different materials. Thanks to decomposers, nutrients get added back to the soil or water, so the producers can use them to grow and reproduce.

helo in this please I'm so kunfused ​

Answers

OPTION C is the correct answer.

2) Two students are running in a cross country race. One has a mass of 60 kg, while the other has a mass of 70 kg. If they are both running with a speed of 7 m/s, which has more momentum? Why?​

Answers

Answer:

The second student with mass 70kg has more momentum

Explanation:

Using the formula:

p = m × v

Where;

p = momentum (kgm/s)

m = mass (kg)

v = velocity (m/s)

According to this question, two students are running in a cross country race.

Student 1 has the following; m = 60kg, v = 7m/s

Student 2 has the following; m = 70kg, v = 7m/s

Using p = mv

Student 1, p = 60 × 7 = 420 kgm/s

Student 2, p = 70 × 7 = 490 kgm/s

From the result of the above calculations, student 2 with mass 70kg has more momentum.

How much water can be produced when 18 grams of pentane is burned in air? C5H12 + 8 02 --> 5 CO2 + 6 H2O. 9.0 g 18 g 27 g 36 g 729

Answers

Answer: The mass of water produced is 27 g

Explanation:

The number of moles is defined as the ratio of the mass of a substance to its molar mass.

The equation used is:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex] ......(1)

Given mass of pentane = 18 g

Molar mass of pentane = 72.15 g/mol

Plugging values in equation 1:

[tex]\text{Moles of pentane}=\frac{18g}{72.15g/mol}=0.250 mol[/tex]

The given chemical equation follows:

[tex]C_5H_{12}+8O_2\rightarrow 5CO_2+6H_2O[/tex]

By the stoichiometry of the reaction:

If 1 mole of pentane produces 6 moles of water

So, 0.250 moles of pentane will produce = [tex]\frac{6}{1}\times 0.250=1.5mol[/tex] of water

Molar mass of water = 18 g/mol

Plugging values in equation 1:

[tex]\text{Mass of water}=(1.5mol\times 18g/mol)=27g[/tex]

Hence, the mass of water produced is 27 g

If 45 mL of a 6 M solution is diluted to a final volume of 250 mL, what is concentration of the final solution?

Answers

Answer:

1.08 M

Explanation:

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

Initial volume (V₁) = 45 mL

Initial concentration (C₁) = 6 M

Final volume (V₂) = 250 mL

Final concentration (C₂) =?

The final concentration of the solution can be obtained by using the dilution formula as illustrated below:

C₁V₁ = C₂V₂

6 × 45 = C₂ × 250

270 = C₂ × 250

Divide both side by 250

C₂ = 270 / 250

C₂ = 1.08 M

Therefore, the final concentration of the solution is 1.08 M.

A doctor is testing a new medication and he doesn’t tell the people in the study about the possible side effects of the medicine. He is _____.

Answers

Answer: He is being non-compliant

PLEASE HELP QUICK
The graph shows the distribution of energy in the particles of two gas samples at different temperatures, T1 and T2. A, B, and C represent individual particles.

Based on the graph, which of the following statements is likely to be true? (3 points)
Particle A is more likely to participate in the reaction than particle B.
Particle C is more likely to participate in the reaction than particle B.
The number of particles able to undergo a chemical reaction is less than the number that is not able to.
More gas particles participate in the reaction at T2 than at T1.

Answers

Answer:

Okay, I think I may actually have an answer for you. I would go with C, "The number of particles able to undergo a chemical reaction is less than the number that is not able to."

Explanation:

I just took a quiz with a similar question, and B is the only gas particle that is able to react. This cancels out all the other answers, as A and B are obviously incorrect based on that information, and it rules out D because T1 is the only sample with a particle able to react. I hope this helps!

Answer:

C is the right answer

Explanation:

Why don’t scientists use the Bohr model above to explain charge transfer?

Answers

Answer:

nsksbsjensnsjeiejensbsksks

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