Preparation Definition and 198 Threads

Hi folks, I'm currently studying for the MCAT. I did register with my MCAT prep book's website but you have to be a part of the class to post in the forums... I can only view the topics and not make posts myself. I'll be posting MCAT questions from time to time that I feel the book gives...

Can anyone please tell me that how may I prepare nanoparticles and bulk particles of Gallium nitride?

I was told to move my problem solving questions here instead of cluttering up the Homework Help forums. I will use this thread to post questions related to the Putnam Exam. For all of the problems that follow, please JUST GIVE HINTS.Problem 170 from Putnam and Beyond: Let P_n(x) =...

I will be taking Modern Analysis at Columbia University this summer and would like some suggestions on being as prepared as possible. I have taken: Non-rigorous Calc I, II, III Intro to Probability & Statistics Intro to Linear Algebra Discrete Math I, II Various Computer Science courses...

I have taught myself derivatives and I have taught myself the power rule and substitution but the book that I have bin using doesn’t go more in depth than that so what should I learn next?

I totally can't figure out rate mechanisms for whatever reason. A three-step mechanism has been suggest for the formations of carbonyl chloride: Step 1 Cl2 -> 2 Cl(fast, equilibrium) Step 2 Cl + CO -> COCl (fast equilibrium) Step 3 COCl + Cl2 -> COCl2 + Cl (slow) What is the...

I was wondering what knowledge is necessary before attempting to read Rudin's Principles of Mathematical Analysis. I heard somewhere that Axiomatic Set Theory by Suppes is a good start. Maybe a topology book. And probably a good understanding of calculus and linear algebra. Anything else...

Hey everyone, I'm about to take a senior-level undergraduate course in statistical mechanics What preparation in terms of mathematics and statistics knowledge do you think I'll need? Is there any material in math/stats you would recommend for reading before the course starts? Thanks...

I'm a senior in high school and I am going to major in physics in college. Ultimately, I want to become a theoretical physicist, but the problem is, I don't really know where I should go for undergraduate study for physics. All other variables aside, like cost and chance of acceptance, I would...

I need to answer a assignment question about how one can prepare benzylamine by reducing benzamide with LiAlH4. I read that LiAlH4 is a good reducing agent, and I understand that, but can someone explain how benzamide gets reduced? And in the other half of the question, it says that this...

Hey, I finished the IB diploma in 2007, with a 6 in Physics HL, and I am hoping to get into engineering eventually. However during my high school years i really didnt have much direction to my studies and ended up taking math studies (for those who don't know, it is a really pathetically weak...

Hello , We tried to demonstrate preparation of Ammonia by mixing Ammonium Chloride and Calcium Hydroxide in round bottom flask mixed in the proportion of 2:3 . The flask was in a slanting position with the delivery tube attached to a decicator with Calcium Oxide for drying the gas. A Flask...

Hey, I've decided to give myself some things to work out., in preparation for my Exam. Obviously it's not any questions from the exam, how would i have got ahold of them? They may seem easy, but some people do happen to be Dyslexic: Peter works as a real estate agent and is paid commission at...

What is the best prep book (hardest) for AP calculus exam? Is it Princeton Review or Barron's? Are there better books?

I am going to have an calculus exam on saturday. The topic is partial derivatives and double integrals. Does anybody know a website where I could find nice problems about these topics? Thanks already...

I'm about to graduate from high school, and in college I plan to be a math major (with another major in economics). I was thinking that this summer I should do something to prepare a bit for that. My senior year I have taken IB SL Calculus (roughly equivalent to AP Calculus AB), and I will...

REU project--need help on preparation. Hi, I have gotten a REU project from U of Toledo. as they e-mailed me, my project will be on two medium energy ion accelerators--from modeling instrumentation to data acquisition and analysis So, I am wondering... what programming language would...

Can you prepare for AP exams by study guides alone? For example can you prepare for AP biology from a PrincetonReview and Cliffs study guide? What's the best way to learn in less time, and still get a 5? PLEASE! I would like only encouraging remarks. Thank you,.

Is there any book you know for IPhO preparation? help please

I am most likely going to take the GRE Math Subject exam in April '07, and so I am wondering about how I should prepare for the exam. For those that have taken the exam, how would you prepare if you were to take the exam again? Do you think tutoring math (mostly calculus) would be a great way...

Explain why the aqueous washing of your alkyl halide product from the reaction of t-butyl alcohol with concentrated HCL must be carried out quickly. Washing the product with aqueous NaOH would get rid of any traces of acid left by neutralizing it, but I don't understand what time has to do...

Before the results of an experiment have been obtained, how does one determine how to write down the initial state of the quantum system?For the example of simple slit experiments (following Marcella's "Q.I. w/ slits") a particle emerging from slit A is in a position eigenstate, eg. |A> = \delta...

I am going to finish my Master Degree in Mechanical Engineering in next sesmester. After that, I'll move on to my Ph.D program. How long do I have to take to prepare for Ph.D qualifying exam? How long is Ph.D qualifying exam?

Hi, I am preparing for JAM 2007 (mathematics). Which bookc should I refer? Also what kinda preparation (practice tests, etc) should I do?

OK, so i have Cr(III) Oxide, Cr2O3, and i wish to dissolve this in conc. HCl to form Cr(III) Chloride - however, at room temperature, this reaction just doesn't seem to work readily - i would have thought it would. Would heating facilitate the desired reaction? Would the use of another acid...

Well..i wanted to knw abt some good objective books for preparation for AIEEEand BITSAT 2007.Id be grateful to rceive help at t he earliest.

Hey. Is anyone able to guide me as to how nitrogen gas can be produced in a laboratory, or give me links with information? I can't seem to find anything :( Thanks, Dan.

Hi. I am working on an assignment involving common gases (oxygen, nitrogen, ammonia etc.). I've done it all, except for the 'Industrial preparation' of the gases. What is industrial preparation? i know what laboratory preparation is, but not industrial. Thanks, Dan.

I'm getting ready to take my graduate class in electrodynamics, and I'm wondering what I can do in the next couple weeks to prepare myself for the torture that is certain to ensue.

Suppose there is a researcher at a chemical company whose job is to create the compound barium phosphate. BaCl2*2H2O and (NH4)2HPO4 was mixed together in a water solution. However the compound that formed was not the desired Ba3(PO4)2 but Ba(HPO4). How can the researcher prepare the correct...

I'm taking AP Physics C at school and plan on taking the AP test in May. I want to get my AP prep. book early so I can follow along with the review in the book alongside of my studies at school. What has anyone found to be the best review book? (i.e. Barron's or Princeton Review) I know that...

I'm a molecular biology major who plans to pursue an advanced degree in molecular biophysics. I've done myself the favor of taking preparatory elective math courses (calculus II and III, linear algebra, differential equations) and calculus-based introductory mechanics and elec/mag; however, I...

Hi all! I've just found this board and am reading through some topics here, some very interesting discussions going on here. I finished school two months ago and I am going to start studying Physics at University level in October. As I've currently got some spare time on my hands (not all...

I have a major exam coming up and we've been given few past exam papers to go through to practice. I have absolutely no idea what to do here :frown:, if people could help me out, work it out etc. It would be greatly appriciated. Link 1: http://img72.echo.cx/img72/3763/question0ex.jpg...

People often complain about inequalities and inadequacies in education, and they are right. They complain about the disadvantages that children in poor and unstable areas often face, and they are right. When you hear of some wonderful teacher doing something miraculous to increase the quality...

Hey all. I am new. I am from the merry old land of aus (Australia), in the southern state called victoria. I almost crapped my pants when i saw this site. I couldn't believe that there were people interested in this stuff so much. I am in year 12, and i have my biology exam on the 1st of...

Thanks for the help you have shown me so far, it has been very much appreciated. I am preparing for my first Physics I exam and would like your opinion. We are allowed a single 4 x 6 index card to take to class and use on the test. We will also be provided formulas and conversion factor data...

Which ones do you recommend? Please give an explanation as well. Thanx

Hi, I'm actually wondering which ap preparation books i should purchase. I was thinking of either the kaplan or princeton review, but if there are others recommended i would greatly appreciate it. As well, please include an explanation for your suggestion. thanx.

Anyone can introduce me the best website to learn TOEFL english?

Two rods, one of aluminum and the other of copper, are joined end to end. The cross-sectional area of each is 4.0 x 10^-4 m^2, and the length of each is 0.040m. The free end of the aluminum rod is kept at 302 degrees Celsius, while the free end of the copper rod is kept at 25 degrees Celsius...

I am very interested in informatino technology. It is one of the most fascinating and fastest growin indsutry in the world. I am considering to take it next year when I go to university. Currently I am lingering whether I should take the Informatino System Technology courses of the...

Hi all! I'm a student in APU University, Cambridge, England. One of my modules is Analogue Electronics, Exams are a few weeks away and i wanted to get an idea of how well I've grasped some of the concepts. We have been given a sheet to work through but have no one to mark it as all lectures...

Got a tough problem I have no clue how to do. I have to prepare 500mL of a buffer solution with a pH of 12.50 and must be at least .10 M. The only reagents I have are: solid sodium dihydrogen phosphate dihydrate NaH2PO4 x (H2O)2 Distilled water 1.00 M NaOH(aq) 1.00 M HCL(aq) Not all...

WMD scam in preparation or more ...? Or is this a scam about a scam? Is the US Planting WMDs in Iraq? * Tehran Times* 12 April 2004 BASRA, April 12 (MNA) -– Fifty days after the first reports that the U.S. forces were unloading weapons of mass destruction (WMD) in southern Iraq, new...

I don't know if I can effectively convey what I am doing here, but I am going to try because I need the help. I am trying to determine my ratio of acid to base and subsequently make a .5M Tris-HCl buffer utilizing Tris base, and concentrated HCl. By my calculations I get a 19.05 parts acid/1...

Hi. Okay, I would like to make some sulphuric acid. I know that I can probably find it OTC (and mixed with other potential CRAP), but it's more fun experimenting. I was reading a site which was discussing the preparation of sulphuric acid and it got me excited. So, as far as I know, sulfur is...

I've done an experiment on preparing butanone by oxidation of butan-2-ol. Here are the simplified procedures. 1. Sodium dichromate-2-water were acidified by few cm^3 concentrated sulphuric acid, then the acidified dichromate and butan-2-ol were mixed. 2. Few pieces of anti-bumping granules...