CHEMISTRY COMMUNITY

Greta Tobin 2F

Q:What's the difference between chemistry and cooking?

A: In chemistry, you should never lick the spoon!!

Greta Tobin 2F

Dr. Lavelle, As a student who needs to work hard to understand material, I really appreciate the way your class was structured. Even those who are quick to comprehend tough chemistry topics were forced to work through problems that expanded our idea of the raw chemistry world. You did not only teach...

Greta Tobin 2F

For the 2013 final question number 1B, How do we know to use Cv=3/2(R)?
Because the formula just says deltaS=nCln(T2/T1) and doesn't specify what kind of C to use?

Greta Tobin 2F

I am out of chemistry jokes.. I need to zinc of a new one!

Greta Tobin 2F

Q: What do you call iron blowing in the wind?

A: Febreeze!

Greta Tobin 2F

You want the set of numbers that has the lowest number. 1 is the lowest number, so use the set that has 1, which is 1,6. Side note: you'd think it was 2,3 because that has lower numbers overall but IUPAC doesn't have a "lowest sum" rule or anything (ie 2+3 is less than 1+6), just lowest n...

Greta Tobin 2F

Greta Tobin 2F

Q: What's wrong with a joke involving Cobalt, Radon, and Ytterium?

A: its CoRn Y

Greta Tobin 2F

Yes, 40 minutes long with one point per minute given.

Greta Tobin 2F

What do you do with a sick chemist?

Answer: You try to Helium, you try to Curium, but if all else fails you have to Barium

Greta Tobin 2F

What do you call a fish made of two sodiums?

Answer: 2na

Greta Tobin 2F

For 3B: When an electron is removed from an atom, it is always taken from the highest energy orbital (or the last quantum number listed in the electron configuration). For Zn, the electron configuration is [Ar}3d(^10)4s(^2), and the electron will be taken from 4s, the highest energy orbital. Cl: [Ne...

Greta Tobin 2F

For 3A: The "n" determines the size, the "l" determines the shape, and the "ml" determines the orbital. For the first problem,( n=3, l=1) the quantum number is 3p, which can hold 6 electrons (3 because its given, p because l=0 refers to the s orbital, l=1 refers to the ...

Greta Tobin 2F

Is there an easy way to remember how a change in pressure would effect the equilibrium? I am looking at the "quick way" in the course reader but still a little confused. Can someone explain in their own words?

Thanks!

Greta Tobin 2F

What do chemists call a benzene ring with iron atoms replacing the carbon atoms?
Answer: A ferrous wheel

CHEMISTRY COMMUNITY

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