An equilibrium is dynamic.

1 answer:

6 0

Equilibrium is dynamic since the reaction never really stops. There is still a forward and reverse reaction, their rates are just equal to each other so there is no observable change in the amounts of product or reactant making it look like the reaction has stopped.

This is why you will often here the term dynamic equilibrium used when describing a system in equilibrium.

I hope this helps. Let me know if anything is unclear.

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Suppose a new group 5A element is discovered. Photoelectron spectroscopy (PES) reveals that its last two peaks occur at 1370 kJ/

iren2701 [21]

Answer: The average valence electron energy (AVEE) of this element =

1014.2 KJ/ mol or 1.0142mJ/mol.

Explanation:

The average valence electron energy = (number of electrons in s subshell x Ionization energy of that subshell) + (number of electrons in p subshell x Ionization energy of that subshell) / total number of electrons in both subshells of the valence shells.

The 5A elements are non-metals like Nitrogen and Phosphorus with the metallic character increasing as you go down the group, So a new 5A element will have characteristics of its group with 5 valence electron in its outermost shell represented as ns2 np3

Therefore the average valence electron energy (AVEE) of this element will be calculated as

The average valence electron energy = (2 x 1370 kJ/mol + 3 x 777 kJ/mol.) / 5

2740+2331/ 5 =5071/5

=1014.2 KJ/ mol or 1.0142mJ/mol.

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3 years ago

I don't know please help me which one I sent you a picture

umka2103 [35]

Answer:

intermolecular forces

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3 years ago

The potential energy of a 25 kg bicycle resting at the top of a 3 m high hill is what?

Umnica [9.8K]

Potential energy<span> is the </span>energy<span> that is stored in an object due to its position relative to some zero position. It is calculated by the expression as follows:

PE = mgh
PE = 25 (9.8) (3)
PE = 735 J

Hope this answers the question. Have a nice day.</span>

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3 years ago

Read 2 more answers

Major Battles of the

san4es73 [151]

Answer: Lexington and Concord

Explanation: The British were trying to find weapons and could not find them.

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3 years ago

Please help I'm not good at science

Citrus2011 [14]

Answer:

i'm not able to see images but if you type it all i can answer:)