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Viefleur [7K]
3 years ago
11

Someone, please help with Chemistry

Chemistry
1 answer:
Ilia_Sergeevich [38]3 years ago
5 0

Answer:

1 one ........................

Explanation:

hi8

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What element has 4 valence electrons and 5 electron shells?
marta [7]

Answer:  Tin (Sn)

Explanation:  The electron configuration for tin (Sn) is shown in the picture.  It's last electrons are:

5s^2 4d^10 5p^2

The valence electrons are in the 5th electron shell and include 2 each in the 5s and 5p orbitals.

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3 years ago
What is dynamic equilibrium? What is dynamic equilibrium? Dynamic equilibrium in a chemical reaction is the condition in which t
OverLord2011 [107]

Answer:

The correct answer is: Dynamic equilibrium in a chemical reaction is the condition in which the rate of the forward reaction equals the rate of the reverse reaction.

Explanation:

Dynamic equilibrium is a chemical equilibrium between froward reaction and backward or reverse reaction where rate of reaction going forwards is equal to the rate of reaction going backward (reverse).  

Some other properties of dynamic equilibrium are:

  • Chemical equilibrium are attained is closed system.
  • The macroscopic remains constant like: volume, pressure, energy etc.
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3 years ago
If a car travels 400m in 20 seconds, how fast is it going
prohojiy [21]

Answer:

Just apply the formula

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= 400/20

= 20 m/s

this is the way to do it

3 0
3 years ago
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What would be the most likely explanation if none of the tested paint samples had turned brown?
mariarad [96]

Answer:4/d

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Which statement is always true about a reversible chemical reaction?
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<em>It is a chemical reaction in which the reactants form products and products react together to give reactants back. That means reversible reactions can go in both directions forward as well as backward direction.</em>

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