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Anvisha [2.4K]
3 years ago
10

Pls help me out with this question!

Chemistry
1 answer:
jeka943 years ago
4 0
At STP, copper (Cu) would be the only substance here that will exist in the solid state.
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Which of the following characterizes a reaction at equilibrium?​
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I’m pretty sure the correct answer is D.
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You have 1 mole of a gas at STP. If you apply the ideal gas law what is the approximate volume of the gas?
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Answer:

A) 22.4L

Explanation:

we know, ideal gas law states

PV=nRT

V=nRT/P

At STP,

T= 273.15K     P=1atm         R=0.082L.atm/mol/K          n=1 mole

V=(1*0.082*273.15)/ 1

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Which of the following is an expression of Charles's law?
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3 years ago
The oxygen atom of a ketone (such as cyclohexanone) contains 2 lone pairs of electrons. These pairs of electrons most likely res
skelet666 [1.2K]

Answer: The given pairs of electrons most likely reside in sp^{2} type of orbital.

Explanation:

As it is given that two lone pair of electrons are present on the oxygen atom of ketone (such as cyclohexanone).

Also, there will be one bond pair between carbon and oxygen atom.

Hence, total electrons present in the domain are as follows.

2 lone pairs + 1 bon pair of electron = 3 electron domains

This means that there will be sp^{2} type of orbital present.

Thus, we can conclude that given pairs of electrons most likely reside in sp^{2} type of orbital.

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