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Alex777 [14]
4 years ago
13

Imagine yourself taking a position at a racecourse, ready to run as soon as you hear the gunshot. Which energy conversion occurs

when you start running?
Chemistry
1 answer:
ioda4 years ago
3 0

Answer: Potential energy will converted into Kinetic energy.

Explanation:

Usually when we run we use energy provided by our body. And this energy is stored in our body in the form of a chemical energy. Chemical energy is an energy which releases on burning of a substance similar process takes place in our body by which we get energy.This chemical energy is the potential energy which was present in us when we were ready to run.

The moment we started running potential energy starts getting converted into kinetic energy which is the energy possessed by a body in a motion

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Given a fixed amount of gas held at constant pressure, calculate the volume it would occupy if a 2.00 L sample were cooled from
aliina [53]

Answer:

1.82 L

Explanation:

We are given the following information;

  • Initial volume as 2.0 L
  • Initial temperature as 60.0°C
  • New volume as 30.0 °C

We are required to determine the new volume;

From Charles's law;

\frac{V_1}{T_1}=\frac{V_2}{T_2}

Where, V_1 and V_2 are initial and new volume respectively, while T_1 and T_2 are initial and new temperatures respectively;

T_1= 333 K

T_2=303K

V_1 =2.0L

Rearranging the formula;

V_2=\frac{V_1T_2}{T_1}

    = \frac{(2.0L)(303K)}{333K} \\=1.820 L

Therefore, the new volume that would be occupied by the gas is 1.82 L

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3 years ago
What is the Golgi body made of?
Alenkasestr [34]

Explanation:

integral proteins...nns

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This is the chemical formula for the compound calcium chloride: CaCl2
Kaylis [27]

Answer:

3

Explanation:

1 Calcium atom and two chlorine atoms

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How do you get the products of KCIO3
Elden [556K]

Answer:

2KClO3 -> 302 + 2KCl

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For a hydrogen- like atom, classify these electron transitions by whether they result in the absorption or emission of light: n=
Nataly_w [17]

The electron transfer from n = 1 to n = 3 occurs the greatest energy change

<h3>Further explanation</h3>

In an atom, there are energy levels in the skin and sub skin.

This energy level is expressed in terms of electron configurations.

Writing the electron configuration starts from the lowest to the highest subshell's energy level. There are 4 sub-shells in an atom's shell, namely s, p, d, and f. The maximum number of electrons for each subshell is

  • s: 2 electrons
  • p: 6 electrons
  • d: 10 electrons and
  • f: 14 electrons

The filling of electrons uses the following sequence:

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰, 4p⁶, 5s², 4d¹⁰, 5p⁶, 6s², etc.

Each sub-shell also has orbitals drawn in the form of a square box in which there are electrons symbolized by half arrows.

Each orbital in an atom consists of 4 quantum numbers, namely the main quantum number (n), the azimuth quantum number (l), and the magnetic quantum number (m) and the spin quantum number (s)

  • Value of n: positive integer
  • value of l: between 0 to n-1
  • m value: between -l to + l
  • value s: +1/2 or -1/2

Determination of electron configurations based on principles:

  • 1. Aufbau: Electrons occupy orbitals of the lowest energy level
  • 2 Hund: electron fills orbitals with the same energy level
  • 3. Pauli: there are no electrons that have 4 equal quantum numbers

Bohr's atomic model has shown the energy levels of electrons in the path of the atomic shell

The greater the value of n (the atomic shell, the main quantum number), the greater the energy level

In normal circumstances, electrons fill the skin at the lowest energy level starting from the skin K, L M and then N

When an atom gets energy from outside, the electrons will absorb energy so it moves to higher energy. This situation is called excited

Electrons will return to the original path or a lower energy level because the excited state is unstable. In this condition, the electron will release energy

The electron energy at the nth path can be formulated:

En = -Rh / n²

Rh = constant 2.179.10⁻¹⁸ J

So the electron transfer energy (delta E)

delta E = E end - E start

From the electron transfer available, because the value of the Rh constant is the same, the effect is the value of n (skin) ---> 1/n²

  • 1. n = 3 to n = 5

then the value of E is

delta E = -1/25 +1/9 = 0.07

  • 2. n = 1 to n = 3,

then the value of E is

delta E = -1/9 + 1/1 = 0.89

  • 3.n = 3 to n = 2,

then the value of E is

delta E = -1 / 9 + 1/16 = 0.14

  • 4. n = 2 to n = 1

then the value of E is

delta E = -1/4 + 1 = 0.75

These 4 values ​​indicate that regardless of the sign that there is an electron transfer from n = 1 to n = 3 the greatest energy change occurs

<h3>Learn more</h3>

 statement about electrons and atomic orbitals

brainly.com/question/1832385

Effective nuclear charge

brainly.com/question/5441986

statement about subatomic particles is true

brainly.com/question/3176193

Keywords: electron transfer, quantum number, electron shell

6 0
4 years ago
Read 2 more answers
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