CHEMISTRY COMMUNITY

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If a mole of moles were digging a mole of holes, what would you see?
A mole of molasses

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What is the chemical formula for seawater?
CH2O

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What is the name of the molecule bunny-O-bunny?
An ether bunny

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What's wrong with a joke involving Cobalt, Radon, and Ytterium?
It's CoRnY

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What do you say to a periodic table that is missing gold?
Au revoir

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How do sulfur and oxygen communicate?
They use a sulfone

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What kind of dogs do chemists have?
Laboratory Retrievers

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Why do chemists enjoy working with ammonia?
Because it's pretty basic stuff

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What is the chemical formula for coffee?
CoFe2

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I wish I had more chemistry jokes but I can only come up with them periodically

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What do you call a clown in jail?
A silicon

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What did one titration say to the other?
Let's meet at the endpoint

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What do you call a tooth in a glass of water?
A one molar solution

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What do dipoles say in passing?
Hey, have you got a moment?

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Who revolutionized chemistry?
Free radicals

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Why do hamburgers yield lower energy than steak?
Because they're in the ground state

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Do you have 11 protons?
Because you're sodium fine

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If a king farts is it a noble gas?

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What's the most important part of any relationship?
Organic chemistry

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Someone told me I have chemistry with a cute guy
But I don't have chemistry until next quarter

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What did the man make for his enemy?
A Pb & J sandwich

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What do you call a measuring device with degrees?
A graduated cylinder

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Why was the chemist arrested?
He was charged for a salt and battery at the store

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What happens to nitrogen when the sun rises?
It becomes daytrogen

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What did a father tell his son when he woke him up?
Up 'n atom, son!

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Who did the amino acid cheat on his girlfriend with?
His side chain

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When will a girl enjoy a date the most? When $\Delta$ G < 0!

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What happened to the man who was stopped for having sodium chloride and a nine-volt in his car?
He was booked for a salt and battery.

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What's new?
C over lambda

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Old chemists never die, they just stop reacting.

ssthirkannad

Why does hamburger yield lower energy than steak?
Because it's in the ground state.

ssthirkannad

What do you call a tooth in a glass of water?
One molar solution.

ssthirkannad

What did the bartender say when oxygen, hydrogen, sulfur, sodium, and phosphorous walked into his bar?
OH SNaP!

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T.A.B.L.E. = Periodic Table

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Is "unionized" a synonym for neutral?
No, it means they will stop carrying a charge until they get more money.

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Did you know protons have mass? I didn't even know they were Catholic!

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What is the formula for water?

H I J K L M N O.

H2O!!

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Joke: Chemist 1: Did you know they discovered a new element?
Chemist 2: No, what's it called?
Chemist 1: It's symbol is Ah.
Chemist 2: Oh... The element of surprise.

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What kind of dogs do chemists have? Laboratory Retrievers

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What do you call a clown who's in jail? A silicon.

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

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If you're not part of the solution, you're part of the precipitate!

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Why was the mole of oxygen molecules excited when he walked out of the singles bar? He got Avogadro's number!

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Did you know that you can cool yourself to -273.15˚C and still be 0k?

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Silver has one valence electron. The rule for the d-block is that there are [group number] - 10 = a valence electrons

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Valence electrons are in the outermost shell, known as the valence shell. The inner core consists of filled orbitals. Hope this helps!

ssthirkannad

Tatiana Hage 1E wrote:n(initial)-n(final) gives me a negative frequency. Is this right?

Correct!

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He sent out an email saying that we should do our homework for questions 3-41. Hope this helps!

ssthirkannad

I think theoretically, this is true - you could get a larger and larger wavelength as velocity decreases, but velocity would have to be so small that it would be impossible to detect.

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We know that c = wavelength * frequency. Given that c is a constant, that tells us that if wavelength increases, then to compensate, frequency must decrease. Hope that helps!

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When you use the Rydberg formula, always do n final minus n initial . Dr. Lavelle used the example during class of temperature, where you use the final temperature minus the initial temperature to measure the change. The same can be said of money. If you start with 5 dollars and end up with 3 dolla...

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So my understanding of it is that a node is where the wavefunction passes through zero - meaning it goes from positive to negative or vice versa - rather than just hitting zero and going back the way it came, as though reflected (not changing sign). So while a wavefunction can equal zero, it doesn't...

ssthirkannad

I haven't taken it yet so I'm not 100% sure but I believe it's just chapter 1 up until 1.5, meaning it stops at de Broglie's equation. So no, there shouldn't be questions concerning the Heisenberg indeterminacy equation or Schrodinger's wave function.

ssthirkannad

It depends - you can do 1/(n initial) minus 1/(n final) or you can do negative [1/(n final) minus 1/(n initial)]. It's the negative delta n, if that's easier for you to remember. Hope that helps!

ssthirkannad

The solutions manual doesn't multiply the energy per photon and the number of Joules that will be emitted in 2 seconds, it divides the number of joules emitted in 2 seconds by the energy per photon, which cancels out Joules and leaves you with the number of photons. Hope this helps!

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Thomson thought that atoms are uniform spheres of positively charged matter in which electrons are embedded, whereas Rutherford stated that atoms are made of electrons that orbit a positively charged nucleus made up of protons and neutrons. To further clarify, Thomson had the "plum pudding"...

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