CHEMISTRY COMMUNITY

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what do I look at to determine the hybridization of lone pairs?

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I would make sure you are really familiar with previous midterm material because the questions are most likely going to tie into each other.

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When the coordination compound has a negative charge we would usually add the suffix -ate to the Lewis Acid, but for iron we would change it to ferrate

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I feel you should definitely familiarize yourself with them and understand how to figure which one a molecule is.

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because it has one lone pair its most likely going to donate it and that what considers a base.

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Brandon Valafar wrote:There is a sheet on Lavelle's website called "Naming Coordination Compounds" which gives you a list of the common compounds/ligands in Chem 14A and their names. I put these on flashcards and that helped me a lot.

thank you!!

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does anyone know if its going to be more focused on material after the mid-term or is it just going to be random?

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what type of problem deal with promotion? what exactly is this for?

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where can we find Lavelle "translations"?

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strong base in solution

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also does anyone know when we will get test 2 back ?

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week 9 homework can be coordination compound and week 10 can be acids and bases or however you would like to do them I dont think it has to be all acids and bases

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The Roman numeral must have the same value as the charge of the ion?

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Light behaves as a wave when it undergoes reflection, refraction, and diffraction just like waves.

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What makes them strong is the fact that they completely dissociate into their ions (H+ and an anion) when they are mixed with water.

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An amphiprotic substance is one which can both donate hydrogen ions and also accept them.
Amphoteric means that they have reactions as both acids and bases.

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yes, its under the name "Marshmallow"

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Definitely just be familiar with identifying/naming them

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there aren't any specific readings, but the outline Lavelle provides allows us to know which part of the book we should be looking at

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review sessions and even having your own study groups helps a lot

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I believe the TA's Calculate the points

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only need 250 to get a C-

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Practice problems, review sessions, and having study groups

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Geometry considers the lone pairs

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im still not understanding the difference in determining if a molecule is polar or non polar

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H20 is bent

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Would just doing homework problems be the best option? A lot of people from last year said test 2 was harder than test 1 but im not understand how, if we only learned a couple of things after the midterm.

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my ta went over bent and sea saw so I'm pretty sure we should be familiarized with them.

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do we need to remember the angles?

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do we need to remember the angles?

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This is really helpful, thank you so much

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Same format as Test 1

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My TA said its going to be all of Outline 4

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definitely think we should ask a TA

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when is will we know to calculate a formal charge, will it be noticeable in the question or are there key words

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I think memorizing conversion will be more helpful it just makes it easier to do the problems

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the empirical formula is a simplified version of the molecular formula, so if the molecular formula cannot be simplified it can be both the molecular and empirical formula.

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all depends in Lavelle goes over it in class or if we have homework on them

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I would always change it to an integer because it gives an accurate answer

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There should be one electron in each orbital. Then pairing all in the same direction and s- orbitals should fill completely before moving on to p- orbitals

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i think of resonance structures as alternate Lewis structures but with making sure to emphasize lone pairs?

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For balancing equation I usually separate all the elements and start off with C O and H

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is there a rule that restricts a sub shell ? is it important to remember for this class?

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also what is the correct formula Lavelle uses for de broglies?

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can someone explain to me what trends are?

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what is the best studying method for chem?

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how do I know how many bonds or "dots" go on the ion in the lewis structures

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no it does not matter but the ion should have 8 "dots" unless ofc it doesn't need the full 8

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what is the formula for wavelength ?

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is there different ways to write the Rydberg equation ? if so which is the most used one

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Does anyone know what the topics for test #2 will be or is it like a mini final

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ions differ in the number of electrons and electrical charge but

cation: positive charge; loose electrons
anion: negative charge; gain electrons

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is it just the one and double bonds that can tell which is stronger

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