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Chemical Bonding

Bonding Angles and why they are different.

I understand the prediction of bonding angles, but the significant differences in the actual angle vs the VSEPR angle is what confuses me.

Why do bond angles in VSEPR not always match the actual angle?

Why does Methyl chloride have a larger angle that 109.5 even though it is tetrahedral?

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Looking to learn chemistry through cam with tutor

I'm looking to learn with a tutor using a camera and equipment (which you will suggest me to order)

I then want to try mixing equipment and compounds

 

 

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i've been trying to figure out what would cause this reaction.

When overheated, what would cause a ceiling to get black spots?

a) copper(II) hydroxide

b) copper(II) nitrate

c) copper(II) oxide

d) copper(II) sulfate

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Order Molecules in terms of increasing Polarity

Order Molecules in terms of increasing Polarity

 

CF4, CH2F2, CHF3, CH3F

 

I can write their molecular geometry but I don't know how exactly I'm supposed to compare them together ... for instance, in CH2F2 , 2 F can be on any side of tetrahedral molecule! 

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How to write the formula for ionic compounds

How do I write formulas for ionic compounds such as Beryllium Chloride, Copper(I)Bromide, Tin(II)Bromide ?

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How does photoelectron spect. measures ionization energies?

In X-ray photoelectron spectrometry one measures kinetic energy of ejected electrons. How does this measurement allow one to determine the ionization energies of the atoms being analyzed?

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Photoelectron spectrum question, please help.

To ionize a 1s electron in a Ne atom, an X-ray photon with energy of 84000 kJ/mol is required. If the same X-ray source is used to generate a photoelectron spectrum of sodium atoms, how many different lines do you expect to record? Assign each of these lines (in energy order) to the ionization of a specific atomic orbital of Na.

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How to explain the increasing of ionization energies?

The ionization energies increase monotonically for B, C, N and also (separately) for O, F, Ne. However IE(O) < IE(N). Explain these two facts.

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I need help to find the net ionic equation of two chemical compound

What is the balanced and net ionic equation of Ba(NO3)2 + KSCN? Please and Thank you

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Bromine is a reddish-brown liquid.

Calculate it's density in g/ml if 586g of the substance occupies 188ml

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