Search found 27 matches

by 404817859
Sun Dec 02, 2018 10:24 pm
Forum: Dipole Moments
Topic: Strength of intramolecular forces due to polarity
Replies: 5
Views: 104

Re: Strength of intramolecular forces due to polarity

Polar molecules can bond with each other via dipole-dipole interactions, which are generally stronger than van der Waals forces.
by 404817859
Sun Dec 02, 2018 10:12 pm
Forum: Air Pollution & Acid Rain
Topic: Acid Rain
Replies: 3
Views: 199

Re: Acid Rain

Pollution has a lot to do where the most acidic rain is, the more polluted a city the more the acidity the rain will be.
by 404817859
Sun Dec 02, 2018 10:09 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

How about the chemical workers… are they unionized?
by 404817859
Sun Nov 25, 2018 10:39 pm
Forum: Octet Exceptions
Topic: The center atom
Replies: 20
Views: 318

Re: The center atom

oxygen is the lowest ionization level, therefore, it is the central atom.
by 404817859
Sun Nov 25, 2018 10:28 pm
Forum: Bond Lengths & Energies
Topic: Bonds in Water
Replies: 5
Views: 60

Re: Bonds in Water

Covalent bonds are the bonds between the atoms within the same water molecule. Hydrogen bonds are the bonds between two water molecules.
by 404817859
Sun Nov 25, 2018 10:14 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

Why does hamburger yield lower energy than steak?
Because it's in the ground state.
by 404817859
Sun Nov 18, 2018 11:02 pm
Forum: Ionic & Covalent Bonds
Topic: Hydrogen Bonds and Van Der Waals
Replies: 4
Views: 81

Re: Hydrogen Bonds and Van Der Waals

Hydrogen bonding is the third type of van der Waals' forces. It is exactly the same as dipole-dipole interaction, it just gets a special name.
by 404817859
Sun Nov 18, 2018 10:47 pm
Forum: Ionic & Covalent Bonds
Topic: Contribution to the resonance structure?
Replies: 3
Views: 78

Re: Contribution to the resonance structure?

One of a set of Lewis structures that differ only in the distribution of electrons in covalent bonds and lone pairs.
by 404817859
Sun Nov 18, 2018 10:39 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

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
by 404817859
Sun Nov 11, 2018 11:21 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

What is the name of 007's Eskimo cousin?
Polar Bond.
by 404817859
Sun Nov 11, 2018 11:12 pm
Forum: Sigma & Pi Bonds
Topic: Difference in bonds
Replies: 2
Views: 58

Re: Difference in bonds

Sigma bonds form bonding orbitals between the nucleus of the bonding atoms, greater overlap and strong sigma bond. Pi is a covalent bond between orbitals perpendicular to the bond direction.
by 404817859
Sun Nov 04, 2018 11:33 pm
Forum: Administrative Questions and Class Announcements
Topic: MIDTERM PRACTICE - Garlic Bread Review Session [ENDORSED]
Replies: 121
Views: 4568

Re: MIDTERM PRACTICE - Garlic Bread Review Session [ENDORSED]

9c) I know the answer is sodium but why don't we put the positive 1 charge :)
by 404817859
Sun Nov 04, 2018 11:18 pm
Forum: Lewis Structures
Topic: Garlic Bread 12a
Replies: 5
Views: 92

Re: Garlic Bread 12a

in drawing the Lewis structure where do you put the formal charges?
by 404817859
Sun Nov 04, 2018 11:13 pm
Forum: Administrative Questions and Class Announcements
Topic: MIDTERM PRACTICE - Garlic Bread Review Session [ENDORSED]
Replies: 121
Views: 4568

Re: MIDTERM PRACTICE - Garlic Bread Review Session [ENDORSED]

can someone further explain number 6c? I'm not sure how the wavelengths correspond with lower frequency
by 404817859
Sun Oct 28, 2018 11:34 pm
Forum: Properties of Light
Topic: Speed of Light
Replies: 12
Views: 212

Re: Speed of Light

It is pretty cool to believe nothing is faster than the speed of light
by 404817859
Sun Oct 28, 2018 11:31 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

what kind of fish is made out of two atoms?
2 Na
by 404817859
Sun Oct 28, 2018 10:58 pm
Forum: *Shrodinger Equation
Topic: Threshold Energy
Replies: 4
Views: 137

Re: Threshold Energy

understand the concepts but equation wise it does not relate to Schrodingers equation
by 404817859
Sun Oct 21, 2018 9:55 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student [ENDORSED]
Replies: 96
Views: 29505

Re: Advice from a Medical Student [ENDORSED]

wow thank you now I know to make sure to take excellent notes and to keep them on hand
by 404817859
Sun Oct 21, 2018 9:52 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

I tell bad chemistry jokes because all the good ones are Argon
by 404817859
Sun Oct 21, 2018 9:48 pm
Forum: DeBroglie Equation
Topic: HW Problem 1.39 (6th Edition)
Replies: 4
Views: 111

Re: HW Problem 1.39 (6th Edition)

your answer should be around 1.1x10^-34 m
by 404817859
Sun Oct 14, 2018 3:31 pm
Forum: Properties of Light
Topic: Wave vs. Particle Behavior
Replies: 5
Views: 61

Re: Wave vs. Particle Behavior

That is correct, atoms are constantly in vibration even in there lowest kinetic energy
by 404817859
Sun Oct 14, 2018 3:20 pm
Forum: Properties of Light
Topic: Colors and Frequency
Replies: 13
Views: 200

Re: Colors and Frequency

I think it will be very helpful to understand the concept, hence it would facilitate working out problems, but to have it memorized would be a stretch. To make sure I would ask the TA
by 404817859
Sun Oct 14, 2018 3:04 pm
Forum: Properties of Light
Topic: Speed of Light
Replies: 18
Views: 176

Re: Speed of Light

sig figs will give more of an precise answer, either way should work :)
by 404817859
Sun Oct 07, 2018 11:32 pm
Forum: SI Units, Unit Conversions
Topic: formula units [ENDORSED]
Replies: 68
Views: 21108

Re: formula units [ENDORSED]

I believe a formula unit is the empirical formula incase that makes it easier to understand
by 404817859
Sun Oct 07, 2018 11:06 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7337
Views: 803591

Re: Post All Chemistry Jokes Here

Don't trust atoms, they make up everything.
by 404817859
Sun Oct 07, 2018 10:59 pm
Forum: Administrative Questions and Class Announcements
Topic: Number of questions on test one [ENDORSED]
Replies: 39
Views: 17211

Re: Number of questions on test one [ENDORSED]

Also, make sure to practice dilution problems, hence I noticed more people struggle on those...

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