CHEMISTRY COMMUNITY

Maldonado3K

Can someone explain and give a thourough example of what is meant by "salts that contain the conjugate base (anion) of a weak acid will raise the pH by removing protons from water and generate -OH."

Maldonado3K

Does anyone have any basic steps or simple explanation to determining the pH of a salt solution? Basic example?

Maldonado3K

Does anyone have shortcut or tips to determining what acids/bases would be stronger than others?

Maldonado3K

Can anyone explain the steps to finding the oxidation number in coordination compound? Are we going to have to know how to do this for our final?

Maldonado3K

What is the importance of ligands and in what kind of examples will they appear?

Maldonado3K

Can someone explain the difference between regular electrons configurations and orbital electron configurations?

Maldonado3K

How do you write the configuration of the ground state of the cyanide ion, CN ,
assuming that its is the same as that for CO?

Maldonado3K

Can someone explain how to do the problems in 4.33, what steps should we follow?

Maldonado3K

Do lone pairs determine bond angles? In what way? Examples?

Maldonado3K

Can any element have a radical and can any element break the octet rule?

Maldonado3K

For this problem, we are asked to identify the structure with the lowest energy. Does this mean the structure that has formal charges closest to zero?

Maldonado3K

This question describes 4 carbon atoms that form a square... this seems to be the only problem described like this. Will we have to know how to draw these and problems like 43?

Maldonado3K

How do we know when we can break the octet rule? If we are allowed to break it, should we always find a way not to or can we just break it if its faster in helping us draw the lewis structure? Would we penalized?

Maldonado3K

Does it matter how we draw our lewis structures? For example if its linear or bent? and can you put two of the same molecules together? for example c-o-o-h or would -o-c-o-h be more accurate?

Maldonado3K

Will we have to draw all possible resonance structures?

Maldonado3K

Hello there, I am overthinking everything.. but just to confirm.. our midterm is taking place in CS50 correct? Thanks!

Maldonado3K

Will we be told when to write a configuration the longer way or shorter way? for example [NE] vs. 2s2 2p5

Maldonado3K

Why does 3d come after 4s?

Maldonado3K

If ever, when will we use f orbitals? Examples?

Maldonado3K

Can anyone give me a basic QM description of atoms? I have a few notes for this but would like one or two clear statements.

Maldonado3K

If not given will we always have to us the equation with the greater (>) sign to find the change in momentum? or can we just use p=mv. Are they the same?

Maldonado3K

Can someone explain what Lavelle meant when he said not to use the equation for a photon for questions related to light?

Maldonado3K

Has anyone come up with any different methods or shortcuts in determining what equations to use for different problems. There have been quite a few during the last two lectures, so I was just wondering what would be useful in remembering.

Maldonado3K

Can someone provide examples of problems where we would have to take the photoelectric effect into account? And how these problems would be solved?

Maldonado3K

For exams are we going to have to know the numbers associated with visible light, diameter of an atom, and the human eye?

Maldonado3K

In Lavelle's last Friday example, can someone explain in simpler steps how to solve the last part (finding the maximum yield)?

Maldonado3K

Does anyone have any tricks to remembering the steps to find the empirical formula vs the molecular formula?

Maldonado3K

In an exam if our sig figs are incorrect or off by one or two decimal places will points be deducted?

Maldonado3K

On future exams, will we have to find bond angles and is so, what steps would we show for credit?

Maldonado3K

What are the major differences between the molecular shapes of nonpolar molecules and polar molecules?

Maldonado3K

Does anyone have a simpler method or clear trick to easily determining the dominant resonance structure of an ion by calculating the formal charges on the atom? or simply something that reminds them of the steps to achieving this?

Maldonado3K

I was reading the book, specifically about average bond dissociation energies (kJ-mol"1) and was wondering if anyone could please give me a break down of what there numbers really mean and when we would have to apply them. Thank you.

Maldonado3K

Simply definition of radicals and biradicals and the difference between them? What do we have to know about them and what connections does it have with finding Lewis structures?

Maldonado3K

Can someone please explain the octet rule more in depth and give examples of when it should be applied? Thanks.

Maldonado3K

Can anyone please provide me with a simple example of when/how to use the Schrödinger equation?

Maldonado3K

What specifically would we have to know for exams (in relation to what we have learned in the past two lectures)? or what will be given?

Maldonado3K

Why is the ionization energy for oxygen lower than that of either nitrogen or fluorine? (In straight and simple terms)

Maldonado3K

Can someone please explain how I can figure out if an electron configuration represents the excited state or the ground state? (Relates to problem 29).

Maldonado3K

Hi there, I was just wondering if someone could give me some basic steps or guidance to solve problem L35. "Sodium bromide, NaBr, which is used to produce AgBr for use in photographic film, can itself be prepared as follows... What mass of iron, in kilograms, is needed to produce 2.50t of NaBr?...

Search found 39 matches