Search found 6 matches

by Luiza Karakhanyan
Wed Nov 30, 2016 6:08 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019728

Re: Post All Chemistry Jokes Here

Helium walks into a bar and orders a beer.
The bartended says,"Sorry we don't serve noble gases here."
He doesn't react.

A photon checks into a hotel and the bellboy asks him if he has any luggage.
The photon replies,"No, I'm travelling light."
by Luiza Karakhanyan
Wed Nov 23, 2016 12:42 pm
Forum: Lewis Acids & Bases
Topic: H30+ vs H+
Replies: 1
Views: 253

H30+ vs H+

What is the difference between H30+ and H+ and can they be used interchangeably? Thanks
by Luiza Karakhanyan
Mon Nov 14, 2016 3:08 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7609
Views: 1019728

Re: Post All Chemistry Jokes Here

How are your chemistry grades?
by Luiza Karakhanyan
Tue Nov 01, 2016 7:22 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Fall 2012 Midterm Q5B
Replies: 2
Views: 410

Re: Fall 2012 Midterm Q5B

SO2 is a molecule with a resonance structure: http://bilbo.chm.uri.edu/CHM501/oldproblemsets/Image1344.gif And it is indeed, often preferred to exceed the octet rule for the sake of formal charge, so the proper Lewsi structure is a hybrid of the two. But, I guess, for a dipole moment to be present a...
by Luiza Karakhanyan
Sun Oct 09, 2016 4:33 pm
Forum: Empirical & Molecular Formulas
Topic: Empirical Formulas from Compounds [ENDORSED]
Replies: 3
Views: 505

Re: Empirical Formulas from Compounds [ENDORSED]

Are you sure the answer isn't CH2O? That's what I got.
by Luiza Karakhanyan
Thu Sep 29, 2016 12:22 pm
Forum: Limiting Reactant Calculations
Topic: Homework Problem M11c
Replies: 1
Views: 315

Re: Homework Problem M11c

Hey, If you read further it says, '...the oxygen can react further with phosphorus (III) oxide to produce phosphorus (V) oxide...' - so this is now another reaction, where oxygen reacts with an oxide (phosphorus (III) oxide) from the previous reaction, and not just phosphorus. So in (c) it's asking ...

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