3 years ago

Please help!

Chemistry

1 answer:

Oliga [24]3 years ago

7 0

Is A Less than 19 c because the total energy of the system after shaking will be lower

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For the reaction A(g)

zubka84 [21]

Answer:

Yes

Explanation:

By definition, the equilibrium constanct, Kc, for the reaction A ⇒ 2B is

= [A]^1 / [B]^2

Substitute [A] = 4 and [B] = 2 in the equation,

[A]^1 / [B]^2

= 4^1 / 2^2

= 1

= Kc

So yes the reaction is at equilibrium.

6 0

2 years ago

Nitrogen increases volume during what physical change

atroni [7]

Effects of changes in volume in a reversible reaction in a chemical equilibrium can be predicted using Le Chatelier's Principle. I think this might be the answer, I hope it helps.

4 0

3 years ago

Is adding zinc to hydrogen chloride a chemical or physical change

BlackZzzverrR [31]

That is a chemical change.. Hope I helped!

8 0

3 years ago

Read 2 more answers

Draw the Lewis structure for sulfur tetrafluoride, SF4

Vlad [161]

Notes:-

S has Z=16

Electronic configuration

1s²2s²2p⁶3s²3p⁴

Valency is 4 and 6

Three fluorine atoms take 3 electrons and one lone pair present over S
As one electron remains unshared so we use + sign .

6 0

2 years ago

Which subatomic particle of an atom moves around nucleus

Virty [35]

Answer:

B. Electrons

Explanation:

8 0

3 years ago