Search found 51 matches

by hojae_lee_1C
Fri Mar 09, 2018 1:12 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: How often do you joke about elements?
A: Only periodically
by hojae_lee_1C
Fri Mar 09, 2018 1:09 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

I lost an electron
You should really keep an ion them
by hojae_lee_1C
Fri Mar 09, 2018 1:08 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What do you call an acid with attitude?
A: a-mean-o-acid
by hojae_lee_1C
Sun Mar 04, 2018 11:05 pm
Forum: Student Social/Study Group
Topic: Chemistry Joke
Replies: 57
Views: 1931

Re: Chemistry Joke

Q: Why does the army use acid?
A: To neutralize the enemy base.
by hojae_lee_1C
Sun Mar 04, 2018 11:01 pm
Forum: Student Social/Study Group
Topic: Chemistry Joke
Replies: 57
Views: 1931

Re: Chemistry Joke

Q: Why does hamburger yield lower energy than steak?
A: Because it's in the ground state.
by hojae_lee_1C
Sun Mar 04, 2018 11:00 pm
Forum: Student Social/Study Group
Topic: Chemistry Joke
Replies: 57
Views: 1931

Re: Chemistry Joke

The best thing about learning equilibrium is that nothing changes.
by hojae_lee_1C
Sun Mar 04, 2018 11:00 pm
Forum: Student Social/Study Group
Topic: Chemistry Joke
Replies: 57
Views: 1931

Re: Chemistry Joke

Two atoms are walking down the street.
One of them shouts, "Hey! I think I lost an electron!"
The other inquires, "Are you sure?"
"Yes, I'm positive!"
by hojae_lee_1C
Sun Mar 04, 2018 10:59 pm
Forum: Student Social/Study Group
Topic: Chemistry Joke
Replies: 57
Views: 1931

Re: Chemistry Joke

Q: What do you do with a sick chemist?
A: If you can't helium and you can't curium, then you may as well barium.
by hojae_lee_1C
Sun Mar 04, 2018 10:59 pm
Forum: Student Social/Study Group
Topic: Chemistry Joke
Replies: 57
Views: 1931

Re: Chemistry Joke

Q: Why do chemistry students do well when working with ammonia?
A: Because it's pretty basic stuff.
by hojae_lee_1C
Sun Feb 25, 2018 1:49 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What do you call Iron blowing in the wind?
A: Fe-breeze
by hojae_lee_1C
Sun Feb 25, 2018 1:49 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: Why did Carbon marry Hydrogen?
A: They bonded well from the minute they met
by hojae_lee_1C
Sun Feb 25, 2018 1:46 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: Why did the noble gas cry?
A: Because all his friends Argon
by hojae_lee_1C
Mon Feb 19, 2018 7:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

A photon checks into a hotel and is asked if he needs any help with his luggage. He says, "No, I'm traveling light."
by hojae_lee_1C
Mon Feb 19, 2018 7:21 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

The optimist sees the glass half full. The pessimist sees the glass half empty. The chemist sees the glass completely full, half with liquid and half with air.
by hojae_lee_1C
Mon Feb 19, 2018 7:21 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: Did you hear oxygen went on a date with potassium?
A: It went OK.
by hojae_lee_1C
Sun Feb 11, 2018 1:59 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

What substance has the formula HIJKLMNO?

WATER
by hojae_lee_1C
Sun Feb 11, 2018 1:57 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

why do chemists like nitrates so much?

because its cheaper than day rates
by hojae_lee_1C
Sun Feb 11, 2018 1:56 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

What is a cation afraid of?

A dogion
by hojae_lee_1C
Sun Feb 04, 2018 3:10 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

I Heard Oxygen And Magnesium Were Going Out

And I was like OMg
by hojae_lee_1C
Sun Feb 04, 2018 3:09 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Why did the white bear dissolve in water?

Because it was polar
by hojae_lee_1C
Sun Feb 04, 2018 3:08 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

what kind of dogs do chemists get?

a LABrador retriever
by hojae_lee_1C
Sat Jan 27, 2018 4:23 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

A photon checks into a hotel and is asked if he needs any help with his luggage. He says, "No, I'm traveling light."
by hojae_lee_1C
Sat Jan 27, 2018 4:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

The optimist sees the glass half full. The pessimist sees the glass half empty. The chemist sees the glass completely full, half with liquid and half with air.
by hojae_lee_1C
Sat Jan 27, 2018 4:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Two chemists go into a bar. The first one says "I think I'll have an H2O." The second one says "I think I'll have an H2O too" and he died.
by hojae_lee_1C
Fri Jan 19, 2018 1:02 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Why do chemists like nitrates so much?
Because they're cheaper than day rates.
by hojae_lee_1C
Fri Jan 19, 2018 12:39 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

I'm reading a chemistry book about helium.
I can't put it down.
by hojae_lee_1C
Fri Jan 19, 2018 12:18 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

You'd think that atoms bonding with other atoms would mean they're being friendly, but really they steal each other's electrons.
How ionic...
by hojae_lee_1C
Thu Jan 11, 2018 5:28 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What do you call a scientific plant?
A: Chemis-tree.
by hojae_lee_1C
Thu Jan 11, 2018 5:26 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

If you're not part of the solution, you're part of the precipitate!
by hojae_lee_1C
Thu Jan 11, 2018 5:24 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What is the most important rule in chemistry?
A: Never lick the spoon!
by hojae_lee_1C
Mon Jul 31, 2017 8:30 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

What is a cation afraid of?
a dogion
by hojae_lee_1C
Mon Jul 31, 2017 8:29 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

I make bad jokes... but only periodically
by hojae_lee_1C
Mon Jul 31, 2017 8:29 am
Forum: Bronsted Acids & Bases
Topic: Dissociated/ deprotonated
Replies: 1
Views: 132

Dissociated/ deprotonated

IS dissociated the same as saying that it deprotonated? The course reader uses dissociated and the book uses deprotonated. Do these both mean that the acid or base are fully broken apart as products?
by hojae_lee_1C
Sun Jul 30, 2017 10:42 am
Forum: Acidity & Basicity Constants and The Conjugate Seesaw
Topic: Value of Kw
Replies: 1
Views: 148

Value of Kw

The value of Kw for water at body temperature (37°C) is 2.1 X 10^-14. (a)What is the molarity of H3O+ ions and the pH of neutral water at 37°C? (b) What is the molarity of OH- in neutral water at 37"C?

How would I approach part (a) and (b)?
by hojae_lee_1C
Sun Jul 23, 2017 7:40 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Let's take all the bad jokes and "Barium"!
by hojae_lee_1C
Sun Jul 23, 2017 7:39 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

The name is Bond.... Ionic Bond...
Taken, not shared
by hojae_lee_1C
Sun Jul 23, 2017 7:39 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Oxygen and Potassium went on a date...
It was OK
by hojae_lee_1C
Sun Jul 23, 2017 7:37 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: want to hear a joke about sodium
A: Na
by hojae_lee_1C
Sat Jul 15, 2017 12:06 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What did one ion say to the other?
A: I've got my ion you.
by hojae_lee_1C
Sat Jul 15, 2017 12:05 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

The optimist sees the glass half full.
The pessimist sees the glass half empty.
The chemist see the glass completely full, half in the liquid state and half in the vapor state.
by hojae_lee_1C
Sat Jul 15, 2017 12:05 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Helium walks into a bar,
The bar tender says "We don't serve noble gasses in here."
Helium doesn't react.
by hojae_lee_1C
Sat Jul 15, 2017 12:05 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What is the chemical formula for "banana"?
A: BaNa2
by hojae_lee_1C
Mon Jul 10, 2017 3:47 pm
Forum: Trends in The Periodic Table
Topic: Comparison of electron affinity of Nitrogen and Carbon
Replies: 2
Views: 284

Comparison of electron affinity of Nitrogen and Carbon

According to the periodic trend, Nitrogen should have a higher electron affinity than Carbon. But once you check the electron affinities of each atom, Carbon's electron affinity is higher than that of Nitrogen. Does this have to do with the unpaired valence electrons in Carbon and the one paired val...
by hojae_lee_1C
Sun Jul 09, 2017 1:13 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: Did you hear oxygen went on a date with potassium?
A: It went OK.
by hojae_lee_1C
Sun Jul 09, 2017 1:08 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Q: What is the chemical formula for "coffee"?
A: CoFe2
by hojae_lee_1C
Sun Jul 09, 2017 1:06 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Have you heard the one about a chemist who was reading a book about helium?
He just couldn't put it down.
by hojae_lee_1C
Wed Jul 05, 2017 9:51 am
Forum: Electron Configurations for Multi-Electron Atoms
Topic: Electron configuration for Copper and and Chromium
Replies: 1
Views: 154

Electron configuration for Copper and and Chromium

Why does the electron configuration for Copper and Chromium seem to not obey the rules (i.e. why isn't the electron configuration for Copper isn't [Ar] 4s^2 3d^9 and Chromium isn't [Ar] 4s^2 3d^4? ) Thanks!
by hojae_lee_1C
Fri Jun 30, 2017 11:16 am
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Bohr Frequency Condition
Replies: 1
Views: 212

Bohr Frequency Condition

I understand the equation part of the Bohr Frequency Condition, but what does this exactly establish conceptually? How does this help with atomic spectroscopy?
by hojae_lee_1C
Fri Jun 30, 2017 10:15 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 788500

Re: Post All Chemistry Jokes Here

Did you know that you can cool yourself to -273.15˚C and still be 0k?
by hojae_lee_1C
Wed Jun 28, 2017 3:42 pm
Forum: Properties of Light
Topic: energy required to remove an electron [ENDORSED]
Replies: 7
Views: 855

energy required to remove an electron [ENDORSED]

I am having a tough time calculating the energy required to remove an electron from a sodium atom. The given information includes the ejected electron's velocity v = 6.61 x 10^5 m/s and sodium's work function = 150.6 kJ/mol. How do I approach this question?
by hojae_lee_1C
Tue Jun 27, 2017 7:04 pm
Forum: SI Units, Unit Conversions
Topic: Exercise E1 [ENDORSED]
Replies: 6
Views: 668

Re: Exercise E1 [ENDORSED]

first convert the moles into atoms, since the question gives you the radius of the atom. So use the Avogadro's number to convert 1 mole to 6.22 x 10^23 and from there multiply it by the diameter of the atom to determine the length of the fiber

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