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jolli1 [7]
3 years ago
5

When the electron from the n=4 excited state drops to the ground state, does it absorb energy or emit energy?

Chemistry
1 answer:
zubka84 [21]3 years ago
3 0

Answer:

It emits energy since to move from a higher energy level to a lower energy level or ground state, it must lose energy.

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Match the image with the correct invention
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1. Watt stream engine

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3. Fulton steamboat

These are the correct answers.

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3 years ago
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a small deviation from the resting membrane potential that occurs because ligand-gated or mechanically-gated channels open or cl
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Imagine not knowing xhit your literally adc
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3 years ago
The muscles on the run in transform chemical potential energy into_____
LekaFEV [45]

Mechanical Energy

Mechanism energy is the energy associated with the position and motion of an object. Therefore it is also the summation of the kinetic and potential energies of the object.

Explanation:

Mechanism energy is the energy associated with the position and motion of an object. Therefore it is also the summation of the kinetic and potential energies of the object.

In the muscles, to have movement, the chemical bonds in ATP is broken to enable the sliding action of the myosin and actin fibres of a sarcomere (the basic unit of muscle). This sliding action is responsible for contraction of muscle.  The coordinated contractions and relaxations of sarcomeres on muscles result in movement which translates to mechanical energy.

This process is never 100% efficient with some energy lost as heat energy.

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brainly.com/question/12764386

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5 0
3 years ago
At constant pressure and 25^0C , a sample of gas occupies 4.5lit. at what temperature will the gas occupy 9.0lit.​
olga55 [171]

Answer:

Final temperature = 149 K

Explanation:

Given data:

Initial temperature = 25°C (25+273 = 298 K)

Initial volume = 4.5 L

Final temperature = ?

Final volume = 9.0 L

Solution:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

T₂ = T₁V₂/V₁  

T₂ = 4.5 L × 298 K / 9.0 L

T₂ = 1341 L K / 9.0L

T₂ = 149 K

4 0
3 years ago
SynthesizeWrite the instructions you would give a classmate to locate the point 27°18'N, 19°2'E on a globe.
SVEN [57.7K]

Answer:

<em>It is known by almost everyone Earth is divided into longitudes and latitudes which are imaginary lines that cut Earth into 2 equal parts.</em>

Explanation:

The main use of dividing Earth into so many imaginary lines is to know no of places perfect location in numbers.  Direction and  tell tales can make the place talked about a bit confusing but the exact longitudes and latitudes known pill and someone in exact  position.

So in the positions given the question  27 ° and 19 ° show the distance of longitude from Prime Meridian While 18 ° and two degrees show the distance from the equator.

6 0
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