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Crazy boy [7]
3 years ago
14

20 Which term is defined as a measure of the disorder of a system?

Chemistry
2 answers:
KatRina [158]3 years ago
6 0
Heat is a measure of energy in a medium
Kinetic energy is a measure of energy in an object that's resulting in movement
Activation energy is the amount of energy required to start a chemical reaction
Entropy is a measure of disorder in a system
The answer is Entropy
sp2606 [1]3 years ago
5 0
Entropy is the term defined as a measure of the disorder of a system. This occurs mainly when the thermal energy is not available for the mechanical things.
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Butter melt when you heat it in a pan on the stove. Is this a chemical change or physical change? How can you tell?
choli [55]
It would be an physical change ; if you melt butter the butter goes from a solid to a liquid so therefore the physical state is changed.
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A Metal pan will heat up quickly when placed over a gas or electric burner. The Metal pan is a good what...​
Alik [6]

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2 years ago
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Zolol [24]

1. option B

2. ground state Fe :  [Ar] 4s² 3d⁶

<h3>Further explanation</h3>

Aufbau rule

<em>Electrons occupy orbitals of the lowest energy level</em>

Charging electrons in the sub-shell uses the following sequence:  

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

So the correct choice of answer is B.

Ground state is the state of electrons filling skins with the lowest energy levels.

Excited state is the state of electrons which occupy a higher energy level

The atomic number of Fe = 26, so electrons=26

Ground state configuration of Fe : [Ar] 4s² 3d⁶ or

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d⁶

4 0
2 years ago
Can you please tell me the steps to figure how the answers to number 2?
Evgesh-ka [11]

Answer:

its a trick yo have to add it all

Explanation:

7 0
3 years ago
Is “ the silver spoons tarnished and turned black” physical or chemical property?
FrozenT [24]

it is a <em>Chemical property</em>

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