Call for assistance. Maybe.

The_Metatrix is going back to school.

Composition and transformation of substance.

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Call for assistance. Maybe.

#1  Postby The_Metatron » Apr 13, 2013 7:24 am

The_Metatrix, my wife, is going to school with a goal of becoming a registered dietician. The first course in which she has enrolled is Chemistry I, starting June 3rd.

Do we have any chemistry subject matter experts here of whom we may ask questions as this course, and Chemistry II, progresses?


The book she will be using is this one, if anyone is familiar with it: Chemistry: The Central Science Plus MasteringChemistry (12th Edition) by Theodore E. Brown
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Re: Call for assistance. Maybe.

#2  Postby Ihavenofingerprints » Apr 13, 2013 8:26 am

(I'm not a chemistry expert) But for any first year subjects I do, I usually find tons of great material on this website, they have a chemistry section to. https://www.khanacademy.org/science/chemistry
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Re: Call for assistance. Maybe.

#3  Postby Mazille » Apr 13, 2013 8:51 am

Well, I'm a student of Biology, so I'm certainly no expert, but the basics I can cover.
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Re: Call for assistance. Maybe.

#4  Postby Cito di Pense » Apr 13, 2013 11:52 am

:dance: :levi: :dance: :levi: :dance: :levi: :dance: :levi: :dance: :levi: :dance: :levi:
Хлопнут без некролога. -- Серге́й Па́влович Королёв

Translation by Elbert Hubbard: Do not take life too seriously. You're not going to get out of it alive.
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Re: Call for assistance. Maybe.

#5  Postby The_Metatron » Apr 13, 2013 8:50 pm

Being that her course doesn't start until June, The_Metatrix has opted to begin reading Dune, by Frank Herbert, instead of reading about ion compounds this evening.

It's a good choice.

Thanks so far. I'm sure we'll be back with questions from time to time.

SPDF, man.
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Re: Call for assistance. Maybe.

#6  Postby Nostalgia » Apr 14, 2013 1:35 am

Good choice? That's a fucking awesome choice! :thumbup:
We are alive, so the universe must be said to be alive. We are its consciousness as well as our own. We rise out of the cosmos and see its mesh of patterns, and it strikes us as beautiful. And that feeling is the most important thing in all the universe.
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Re: Call for assistance. Maybe.

#7  Postby The_Metatron » May 22, 2013 6:05 pm

How about this? The_Metatrix's textbook and calculator:

ImageUploadedByTapatalk1369245721.248030.jpg
ImageUploadedByTapatalk1369245721.248030.jpg (190.82 KiB) Viewed 1491 times


Close up of her Faber Castell 2/83N slide rule:

ImageUploadedByTapatalk1369245747.047054.jpg
ImageUploadedByTapatalk1369245747.047054.jpg (246.22 KiB) Viewed 1491 times


I'm very impressed.
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Re: Call for assistance. Maybe.

#8  Postby Mazille » May 22, 2013 6:30 pm

People still use those?
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Re: Call for assistance. Maybe.

#9  Postby The_Metatron » May 22, 2013 7:00 pm

When she's done with this course, she'll know the maths behind it.
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Re: Call for assistance. Maybe.

#10  Postby The Hanging Monkey » Jun 18, 2013 12:59 pm

I am a chemistry lecturer. I have a first class honours degree in chemistry and a Ph.D. in physical chemistry. I worked in the chemical industry for over ten years before I got into teaching. I'm happy to help with any chemistry queries, time permitting.

I know fuck all about being a dietician though.
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Re: Call for assistance. Maybe.

#11  Postby The_Metatron » Jun 18, 2013 2:52 pm

Thanks.

She's up against her first problems, and it involves oxidation numbers. I have no memory of this from high school chemistry, but it sounds suspiciously like what I would call valence numbers. On page 121 of our chemistry book, there was a table of the elements along with their valence charges. +1. +2. -2, etc. It had to do with how complete was the outermost shell of electrons.

I'm going to read the relevant chapter of her text tonight and see if it rings bells.
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Re: Call for assistance. Maybe.

#12  Postby Acetone » Jul 03, 2013 3:21 pm

The Mastering Chemistry is incredibly useful when first learning the basics of Chemistry.
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Re: Call for assistance. Maybe.

#13  Postby The_Metatron » Jul 03, 2013 3:25 pm

She's doing well so far, got a 95 out of 100 on her last unit test. They are moving fast, though. Which means they aren't really going deep.

The lab to test the hardness of our water was very cool. Our wate is very hard. 450 PPM Calcium ions. Sticks of chalk floating around hardness.
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Re: Call for assistance. Maybe.

#14  Postby The Hanging Monkey » Jul 04, 2013 8:54 am

I bet it's great drinking water, less good for washing.
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