"Alkali Earth Metal of the week"
"Ba" 56
Barium;
the chemical element of atomic number 56, a soft white reactive metal of the alkaline earth group.
Medicine a mixture of barium sulphate and water ,opaque to X-rays, which is swallowed
to parmit radiological examination of the stomach or intestines.
by Concice Oxford Dictionary.
My mother said that was hard to drink(swallow) it. I have not been yet.
Avogadro's Hypothesis
---------------------------------------------
What exactly is a mole?
I am using in japanese for my understanding.
Atomic weight Ｏ＝１６．０ Ｎａ＝２３．０ Ｓ＝３２．０ Ｃｌ＝３５．５ Ｃa=40.0
Avogadro's Number 6.022×１０^23
Q1 Na2SO4 14.2ｇが水に溶け、完全に電離したとすると、存在する総イオン数はどれだけか。
Q2 水にＣａＣｌ2を溶かして、Ｃｌ－を0.10molつくりたい。ＣａＣｌ2を何ｇ溶かせば良いか。
ただしＣａＣｌ2は完全に電離するものとする。
Na2SO4 molecular weight＝（23.0×2） + （32.0×1）+ （16.0×4） =142
therefore Na2SO4→ 1 mole ＝１４２ｇ
1mole Na2SO4 → Na2SO4が 6.022×10^23個
Na2SO4が14.2ｇ → 0.1 mole
さて、Na2SO4が電離すると → ２Na+ SO4(2-)
total ion = 0.1mole × 6.022×10^23×(2+1)= 1.8×10^23個
------------------------------------------------
Q2
Cl-が0.1mol→CaCl2を0.05mol溶かせばいいわけですから
(40+35.5×２)×0.05=5.55ｇ
------------------------------------------------
About "Chikyu"
I checked web-site below about "Chikyu" .
http://www.jamstec.go.jp/chikyu/eng/index.html
If you have interest in it please check these web-site .
If Chikyu could reach "Earthquake nest" it will be really help us because earthquake is very serious problem and often happen in Japan.Untill now many people died by earthquake . I remenber there was an earthquake of magnitude 7.3 early morning around 5am in Kobe (west of Japan) . In January 1995 , 6,500 people died by the Great Hanshin-Awaji Earthquake . It was very daring news.
Tuesday, June 23, 2009
Thursday, June 18, 2009
Week Six
“Halogen of the Week”
Sulfur; "S" atomic number 16
a chemical element.Sulfur is a pale yellow substance that produces a strong unpleasant smell when it burns and is used in medicine and industry.By Oxford Advanced Learner's Dictionary.
From toxicology class hand out by skye sturgeron...
Sulfur;
*A preservative method whereby herbs are spread on screens, which is some heated sulfur.
*The sulfur residues are not sulfites,which is what have a reaction to and do not cause a problem in sultite-sensitive individuals.
*Sulfur is one of the most prevalent elements in the human body, and is essential all life.
*Some companies have sulfur-free herbs(30% more high cost& short life)
There are many hot springs in Japan . Sulfur hot springs is a one of the type of hotsprings(Nasu hotspring, Kusatsu hot spring ,Hakone hot spring.)
Near my house there are Hakone hot springs which have special product that is boiled egg .It is used hot sping water when it cook. After cook the eggshell chenged to black! It says if you eat one egg you can get 3years more long life...
If you have a chance to go Hakone hotspring please try it.
Alchemy – science, magic, art – or all three?
I think all three because alchemy's history is so mysterious and full of worldly desires of human beings.
Sulfur; "S" atomic number 16
a chemical element.Sulfur is a pale yellow substance that produces a strong unpleasant smell when it burns and is used in medicine and industry.By Oxford Advanced Learner's Dictionary.
From toxicology class hand out by skye sturgeron...
Sulfur;
*A preservative method whereby herbs are spread on screens, which is some heated sulfur.
*The sulfur residues are not sulfites,which is what have a reaction to and do not cause a problem in sultite-sensitive individuals.
*Sulfur is one of the most prevalent elements in the human body, and is essential all life.
*Some companies have sulfur-free herbs(30% more high cost& short life)
There are many hot springs in Japan . Sulfur hot springs is a one of the type of hotsprings(Nasu hotspring, Kusatsu hot spring ,Hakone hot spring.)
Near my house there are Hakone hot springs which have special product that is boiled egg .It is used hot sping water when it cook. After cook the eggshell chenged to black! It says if you eat one egg you can get 3years more long life...
If you have a chance to go Hakone hotspring please try it.
Alchemy – science, magic, art – or all three?
I think all three because alchemy's history is so mysterious and full of worldly desires of human beings.
Tuesday, June 9, 2009
Week Five
Inert Gas of the Week...
I did not know that argon is used electric lights like neon.
Argon；the chemical element of atomic number 18, an inert gaseous element of the noble gas group.(symbol Ar)
ORIGIN C19: from Gk , neut. of argos 'idle' , from a-'without'+ ergon 'work'.
by:Concice Oxford Dictionary
Argon; a chemical element . Argon is a gas that does not react with anything and is used in electric lights. by:Oxford Advanced Learner's Dictionary
The colors of foods in my kitchen...
Today I have greenonion,celery,cabbagge,carrot,ginger,garlic,onion,apple,lemon,eggs,chicken,potato , spaghetti and rice in my kitchen.
I made chicken(with garlic and ginger) & cabbagge & carrot spaghetti .
It was a pretty good !
Photoluminescence ;
It is usually used judgment of diamond its nutural or not under using black light.
I was interested by seven chakura that each chakura has character of color. It seems like theory of five element .
I did not know that argon is used electric lights like neon.
Argon；the chemical element of atomic number 18, an inert gaseous element of the noble gas group.(symbol Ar)
ORIGIN C19: from Gk , neut. of argos 'idle' , from a-'without'+ ergon 'work'.
by:Concice Oxford Dictionary
Argon; a chemical element . Argon is a gas that does not react with anything and is used in electric lights. by:Oxford Advanced Learner's Dictionary
The colors of foods in my kitchen...
Today I have greenonion,celery,cabbagge,carrot,ginger,garlic,onion,apple,lemon,eggs,chicken,potato , spaghetti and rice in my kitchen.
I made chicken(with garlic and ginger) & cabbagge & carrot spaghetti .
It was a pretty good !
Photoluminescence ;
It is usually used judgment of diamond its nutural or not under using black light.
I was interested by seven chakura that each chakura has character of color. It seems like theory of five element .
Wednesday, June 3, 2009
Week Four * Green Chemistry
My" Catalyst of the week".
poceket body warmar
It is used catalyst fanction of iron(powder) and water(H2O) and salt(nacl).
The poceket body warmar is very useful , populer and cheap in Japan. I used to often suggested for my client using it as a prevention for lower back pain, PMS and many symptom due to cold .
I also found a chemical formula from another web-site thet is a below .
ＮＯ＋ＮＨ２＋ 1/4 ０２ → Ｎ2 ＋ 3/2Ｈ２０(１）
It is a something about reduction in a exhaust gas.
Many web-site says about catalyst of "Pt"(Platinum).
It sounds like that can use for many things but the cost is pretty high that is problem.
Some companies already found same as alternative chemical reaction insted of platinum.
Using Solar-power...
When I was a child my family used to use solar power . The device set up above a roof of our house then we usually used the hot(sometime just warm )water for a bath .Because we used to have almost everyday take a bath.I think that hot water was more gentle my body because that is present from the SUN. Now new my house does not have a same device because only my parent live in there. They thought little expensive to get a new one.
Green Chemistry and Atom Economy...
Always same problem happened that cost is pretty high...It is difficult to keep the balance of demand and supply.I beleave that good products will be more influence near the future. That is a important we just do trying as possible as we can .
poceket body warmar
It is used catalyst fanction of iron(powder) and water(H2O) and salt(nacl).
The poceket body warmar is very useful , populer and cheap in Japan. I used to often suggested for my client using it as a prevention for lower back pain, PMS and many symptom due to cold .
I also found a chemical formula from another web-site thet is a below .
ＮＯ＋ＮＨ２＋ 1/4 ０２ → Ｎ2 ＋ 3/2Ｈ２０(１）
It is a something about reduction in a exhaust gas.
Many web-site says about catalyst of "Pt"(Platinum).
It sounds like that can use for many things but the cost is pretty high that is problem.
Some companies already found same as alternative chemical reaction insted of platinum.
Using Solar-power...
When I was a child my family used to use solar power . The device set up above a roof of our house then we usually used the hot(sometime just warm )water for a bath .Because we used to have almost everyday take a bath.I think that hot water was more gentle my body because that is present from the SUN. Now new my house does not have a same device because only my parent live in there. They thought little expensive to get a new one.
Green Chemistry and Atom Economy...
Always same problem happened that cost is pretty high...It is difficult to keep the balance of demand and supply.I beleave that good products will be more influence near the future. That is a important we just do trying as possible as we can .
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