Mrs. Readsalot Posted February 7, 2009 Share Posted February 7, 2009 Ds and I are beside ourselves with joy over the fact that we are both understanding Stoichiometry (hey I am impressed that I can even spell it) Ahh the thrill of actually wrapping your brain around a difficult subject. In case you are wondering how we accomplished this We are using Rainbow Chemistry although I think the way it is covered in the book is very confusing. Yes you can get the correct answers , but you can't really wrap you brain around it. We like to understand what we are learning. Rainbow has provided us with lots of practice problems though. What has helped up the most is watching the Teaching Company Chemistry DVD's Wow can he teach Chemistry. Also I spent several hours writing up teaching notes and presenting these to my son on a big white board. I developed a system for organizing the grams, moles etc information above and below the formula that really helped us to keep things straight. Ds is is acing every problem I have tossed his way. He is thrilled!!! Karen Quote Link to comment Share on other sites More sharing options...
Kareni Posted February 7, 2009 Share Posted February 7, 2009 Thanks for sharing the good news! It sounds like you came up with a great plan for you and your son. Best wishes as you continue onward and upward .... Regards, Kareni Quote Link to comment Share on other sites More sharing options...
ChemMommy Posted February 8, 2009 Share Posted February 8, 2009 Trust me! Stoichiometry is not a particularly easy concept Quote Link to comment Share on other sites More sharing options...
laughing lioness Posted February 8, 2009 Share Posted February 8, 2009 3 cheers for you!! This is a difficult concept!! Quote Link to comment Share on other sites More sharing options...
Storm Bay Posted February 8, 2009 Share Posted February 8, 2009 Ds and I are beside ourselves with joy over the fact that we are both understanding Stoichiometry So, what is stoichiometry? If I learned it, I've completely forgotten. Just a basic definition or an easy link to a good site (so many aren't) would be helpful! So, you could say I'm impressed!!! Quote Link to comment Share on other sites More sharing options...
Jane in NC Posted February 8, 2009 Share Posted February 8, 2009 Happiness, indeed. And a note to Karin: Here is a good pdf on stoichiometry explained. Quote Link to comment Share on other sites More sharing options...
Storm Bay Posted February 8, 2009 Share Posted February 8, 2009 Happiness, indeed. And a note to Karin: Here is a good pdf on stoichiometry explained. Thanks. I've bookmarked this. I think I did do this many, many years ago. This explanation is going to come in handy for my dc. Quote Link to comment Share on other sites More sharing options...
Jane in NC Posted February 8, 2009 Share Posted February 8, 2009 Thanks. I've bookmarked this. I think I did do this many, many years ago. This explanation is going to come in handy for my dc. Karin, That PDF came from a website with loads of valuable handouts. You might want to bookmark the larger site or save anything you think you may need to disk. I have found that some of these educational sites do not live in perpetuity. Quote Link to comment Share on other sites More sharing options...
Mrs. Readsalot Posted February 8, 2009 Author Share Posted February 8, 2009 So, what is stoichiometry? If I learned it, I've completely forgotten. Just a basic definition or an easy link to a good site (so many aren't) would be helpful! So, you could say I'm impressed!!! Here is an analogy that the Teaching Co teacher uses for stoichiometry. Say you have a recipe for Raisin Bread and you go to your pantry and get out all the items in the amount you own(not what you need to just do the recipe) now you figure out what item limits how many times you can make the recipe by the great degree. Say you need 2 eggs and you have 4 so you can only make the recipe twice even though you have lots of the other ingredients. This item is called your limiting reactant. Now you figure how much of the other ingredients you will need to measure to run the recipe per the limiting reactant. Basically this is stoichiometry although it is a bit more complicated when you are converting to grams and moles etc. Really the Teaching Company DVD's have been wonderful for us, he explains things so you understand it (ie you don't just do the formula) Thank you for the many compliments. Who needs crossword puzzles to keep your mind young, just learn Chemistry unstead :lol: Karen Quote Link to comment Share on other sites More sharing options...
Storm Bay Posted February 10, 2009 Share Posted February 10, 2009 Here is an analogy that the Teaching Co teacher uses for stoichiometry. Karen Thanks. It's coming back to me now--I don't recall learning the term. We have the Teaching Company CD-Roms, and you've made me even happier that we have them. For next year, though. We bought them based on a recommendation on this forum. No wonder I like this place so much. Quote Link to comment Share on other sites More sharing options...
Storm Bay Posted February 10, 2009 Share Posted February 10, 2009 Karin, That PDF came from a website with loads of valuable handouts. You might want to bookmark the larger site or save anything you think you may need to disk. I have found that some of these educational sites do not live in perpetuity. Thanks--I've bookmarked it in 2 places, but am now restricting my computer time to 30-45 minutes per day total, so I'll go back and save things on another day. Today is a WTM forum day. Quote Link to comment Share on other sites More sharing options...
Jane in NC Posted February 10, 2009 Share Posted February 10, 2009 Thanks--I've bookmarked it in 2 places, but am now restricting my computer time to 30-45 minutes per day total, so I'll go back and save things on another day. Today is a WTM forum day. You are wise to restrict your computer time. I have been thinking about how much more I would get accomplished if I did so. Best, Jane Quote Link to comment Share on other sites More sharing options...
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