CHEMISTRY COMMUNITY

Katie_Ho_1M

Going off of this general post, what is a phenol functional group and what does it look like?

Katie_Ho_1M

What is a chemist's dream car?

A Mercedes Benzene

Katie_Ho_1M

Would you ever use use neo- in IUPAC naming? If so, when and how? (please give an example)

Katie_Ho_1M

When would you combine the two types of naming (IUPAC and common) especially with ISO- and tert-?

Katie_Ho_1M

What is the relationship between standard enthalpy of activation and activation energy in relation to standard Gibbs's Free energy of activation?

Katie_Ho_1M

You must be made of uranium and iodine because all I can see is U and I!

Katie_Ho_1M

When would you use mass vs positional entropy when calculating the entropy of a molecule?

Katie_Ho_1M

What kind of dogs do chemists have?

Laboratory Retrievers

Katie_Ho_1M

What does one thermodynamic state function give?

It Gibbs free energy.

Katie_Ho_1M

Why are the heat capacities under constant pressure and constant volumes different? And will be need to be able to calculate them on a quiz using, for example Cp=5/2 R for monatomic ideal gasses at constant pressure?

Katie_Ho_1M

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

A silicon.

Katie_Ho_1M

Enthalpy calculated is calculated at constant pressure, for the definition of enthalpy is the amount of heat released or absorbed at a constant pressure. So, the answer to your question would be yes.

Katie_Ho_1M

Why do the weak acids that contain transition metals bond with six H2O molecules initially?
This is shown in AlCl3 becoming Al(H20)6^3+, hw problem 12.69 part b. The solution manual shows this specifically for the compounds with transition metals. But why?

Katie_Ho_1M

Chemistry is definitely not Bohr-ing.

Katie_Ho_1M

The only difference between Kp and Kc is that one refers to the pressure of the element, in gas phase, and the other is the concentration of the element in a given solution. To tell the difference, Kc is usually shown in brackets. The difference in the values depend on the relative pressures/concent...

Katie_Ho_1M

I believe that the difference between whether or not the molecule or element is side by side or opposite each other is how they enable bonding between other molecules. The different positions would allow the molecule to bind to, say proteins, differently if they are orientated differently, and their...

Katie_Ho_1M

Is it necessary to calculate the mass % composition if given the grams of each element in a compound? I found that if you skip that step and go directly to converting grams into moles, you would still end up with the same ratios and thus the same answer. Would we have to show mass % comp on the midt...

Katie_Ho_1M

If you draw out the dipole moments for this compound, you'll find that they do not cancel out, for the dipoles should point from the H towards the C and from the C to the N. These vectors are not direct opposites from each other so they will not cancel out and you will get resultant vectors. You can...

Katie_Ho_1M

I don't quite understand how biradicals can exist. Why don't the two lone electrons just join and become a pair? How do biradicals play a role in the sharing of electrons and bonding of elements?

Katie_Ho_1M

When there is resonance in a compound, do the electrons travel around to create those different bonds or is it in a state of somewhere in between?

Katie_Ho_1M

I believe that the orbitals do overlap, for they are predictions of where the electron may be, which could be the same in the different orientations of, for example, the p orbitals. In addition, since the electrons are not particles, even if the orbitals overlap, they wouldn't collide. Please correc...

Katie_Ho_1M

How would we be able to get the empirical equations of the emissions of elements other than hydrogen? Would En=-hR/n^2 still work in cases other than hydrogen?

CHEMISTRY COMMUNITY

Search found 22 matches

Re: Names of certain functional groups

Re: Post All Chemistry Jokes Here

Re: Quiz 3 Winter 2017

Combining IUPAC naming with Common naming

Relation between standard enthalpy of activation

Re: Post All Chemistry Jokes Here

Mass vs Positional Entropy

Re: Post All Chemistry Jokes Here

Re: Post All Chemistry Jokes Here

Heat Capacities Constant Pressure vs. Volume

Re: Post All Chemistry Jokes Here

Re: Enthalpy calculations

Weak Acids and Bases with Transition Metals [ENDORSED]

Re: Post All Chemistry Jokes Here

Re: Kp and Kc

Re: Cis- versus Trans-

Mass % Composition

Re: Determine polarization

Biradicals

Electrons in Resonance [ENDORSED]

Re: Orientation of the Orbitals

Empirical Equations