CHEMISTRY COMMUNITY

Luigivar 2F

What's the difference between Chemistry and Cooking?
You should never lick the spoon in chemistry!

Luigivar 2F

Q: Why are chemists so good at solving problems?
A: Because the have and make all the solutions!

Luigivar 2F

Luigivar 2F

The question is: Your very particular fiend Sheldon asks for a glass of exactly 400g of water at 16°C. You can get liquid water at room temp (25°C) and ice at 0.00°C. How many rams of ice and how many grams of water do you need to combine> The first step of this problem is realizing that heat change...

Luigivar 2F

Q: What do chemists call a benzene ring with iron atoms replacing the carbon atoms?
A: A ferrous wheel:
Fe - Fe
/ \
Fe Fe
\ /
Fe - Fe

Luigivar 2F

If the Iron Man and the Silver Surfer teamed up, they would be ALLOYS!!!

Luigivar 2F

In one of the problems, it states that in an isolated system has +5 kj in it and asks what delta U is after 100 years. Because it's an isolated system, energy isn't exchanged so delta U must be 0. This problem, confuses me though. Does the + mean that it contained 5 more kj after the observation or ...

Luigivar 2F

Can someone explain simply the rules of Delta H of Formation and the number of moles involved in the reaction? What has to happen to the number of moles both on the reaction side and the product side for it to be a formation reaction?

Luigivar 2F

Q: You wanna hear a joke about Nitric Oxide
A: NO

Luigivar 2F

Q: Why does a burger patty have lower energy than steak?
A: Because it's in the ground state!

Luigivar 2F

If a king farts,

is it a noble gas?

*badum tss*

Luigivar 2F

I was just wondering why we have to use 2 neighboring atoms to calculate 2r. Why can we not just use one atom and calculate its radius?

Luigivar 2F

If the energy of the photon that is emitted derives its energy from the change in energy of the higher energy level to the lower energy level, then does it mean that the energy of the photon that is emitted has the same energy as the photon that was absorbed to excite the electron? Since the change ...

Luigivar 2F

I am also in Rieber Hall! I feel like the Fireside Lounge is a great place for us to study. It has A/C and is generally quiet for study time!

CHEMISTRY COMMUNITY

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Re: Post All Chemistry Jokes Here

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Midterm 2013 Q2A

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Quiz 1 Prep Question

Delta H of Formation

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Atomic Radius

Energies of the Photon Absorbed and Emitted

Re: Rieber Hall 14A Study Group (Fall 2016)