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Author Topic: Questions for Callaway  (Read 84814 times)

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Offline renaeden

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Re: Questions for Callaway
« Reply #870 on: November 20, 2007, 09:26:52 PM »
Does pH mean power of Hydrogen? I have always thought this, I think I read it somewhere in one of my sister's science books when I was younger.

I have asked many people but they have not known.
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Offline Callaway

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Re: Questions for Callaway
« Reply #871 on: November 20, 2007, 11:09:25 PM »
Quote from: renaeden on November 20, 2007, 09:26:52 PM
Does pH mean power of Hydrogen? I have always thought this, I think I read it somewhere in one of my sister's science books when I was younger.

I have asked many people but they have not known.

I think that pH stands for potential of Hydrogen.
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Offline renaeden

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Re: Questions for Callaway
« Reply #872 on: November 21, 2007, 11:04:51 PM »
You are right, thank you. I think I will always remember this too. :)

Quote
The concept of pH was first introduced by Danish chemist S. P. L. Sørensen at the Carlsberg Laboratory[3] in 1909. The name, pH, has claimed to have come from any of several sources including: pondus hydrogenii, potentia hydrogenii (Latin),[4] potentiel hydrogène (French), and potential of hydrogen (English).
from Wikipedia.

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Offline Callaway

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Re: Questions for Callaway
« Reply #873 on: November 21, 2007, 11:54:47 PM »
Quote from: renaeden on November 21, 2007, 11:04:51 PM
You are right, thank you. I think I will always remember this too. :)

Quote
The concept of pH was first introduced by Danish chemist S. P. L. Sørensen at the Carlsberg Laboratory[3] in 1909. The name, pH, has claimed to have come from any of several sources including: pondus hydrogenii, potentia hydrogenii (Latin),[4] potentiel hydrogène (French), and potential of hydrogen (English).
from Wikipedia.



Actually, I think that you are right, Renaeden.

Looking further down the Wikipedia page, I see that pH can stand for power of Hydrogen as well:

Quote from: http://simple.wikipedia.org/wiki/PH
In fact, pH is a measure of the concentration of protons (H+) in a solution. S.P.L. Sørensen introduced this concept in 1909. The p stands for the German potenz, meaning power or concentration, and the H for the hydrogen ion (H+).

The formula for calculating pH is:

pH = -log10 [H+]
 
[H+] indicates the concentration of H+ ions (also written [H3O+], concentration of the equivalent hydronium ions), measured in moles per litre (also known as molarity).

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Offline renaeden

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Re: Questions for Callaway
« Reply #874 on: November 22, 2007, 12:58:55 AM »
Maybe either can be used? Potenz is close to potential. Either/or/same as ;)
Either way, I am glad to know now.
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Offline McGiver

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Re: Questions for Callaway
« Reply #875 on: November 23, 2007, 08:17:12 PM »
callaway, has this place exhausted you yet?
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Offline Callaway

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Re: Questions for Callaway
« Reply #876 on: November 24, 2007, 02:06:27 AM »
Quote from: McJagger on November 23, 2007, 08:17:12 PM
callaway, has this place exhausted you yet?

No, I would not say that it has exhausted me.

I'm always happy to see you here, though.  Is soccer season over for a while now?
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Offline McGiver

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Re: Questions for Callaway
« Reply #877 on: November 24, 2007, 08:08:31 AM »
Quote from: Callaway on November 24, 2007, 02:06:27 AM
Quote from: McJagger on November 23, 2007, 08:17:12 PM
callaway, has this place exhausted you yet?

No, I would not say that it has exhausted me.

I'm always happy to see you here, though.  Is soccer season over for a while now?
nope.  just a week off for the thanks giving holiday.  but, it is winding down.
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Offline renaeden

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Re: Questions for Callaway
« Reply #878 on: November 25, 2007, 07:53:49 PM »
Callaway, do you have any pets?
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Offline Callaway

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Re: Questions for Callaway
« Reply #879 on: November 25, 2007, 07:56:53 PM »
Quote from: renaeden on November 25, 2007, 07:53:49 PM
Callaway, do you have any pets?

Just two goldfish.

I had pets when I was a child, but my husband and our daughter have allergies.
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Offline Calandale

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Re: Questions for Callaway
« Reply #880 on: November 25, 2007, 10:10:26 PM »
Does your daughter ever want pets?
There are things like frogs or turtles,
which are a bit easier to enjoy than
fish (for a child), but are unlikely to
cause allergies.
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Offline Callaway

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Re: Questions for Callaway
« Reply #881 on: November 25, 2007, 10:18:53 PM »
Quote from: Blood Red Moon on November 25, 2007, 10:10:26 PM
Does your daughter ever want pets?
There are things like frogs or turtles,
which are a bit easier to enjoy than
fish (for a child), but are unlikely to
cause allergies.

Yes, she would really like to have a cat, but she can't.  Because of some dogs who nearly pulled their owner down to get at her when she asked to pet them and the owner lost control of them as well as our former neighbors dogs barking and snarling at her and breaking our fence, she is afraid of dogs.  She is allergic to dogs anyway.  So's my husband, so both of them would be miserable in the long run.

She isn't interested in reptiles or amphibians.

We had a rabbit before she was born, so we might get another one.

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Offline Calandale

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Re: Questions for Callaway
« Reply #882 on: November 25, 2007, 10:21:12 PM »
Rats make outstanding pets.
I think better than rabbits.
They seem smarter.
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Offline SovaNu

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Re: Questions for Callaway
« Reply #883 on: November 25, 2007, 11:35:58 PM »
they poop a lot.

guineapigs are the best.
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Re: Questions for Callaway
« Reply #884 on: November 26, 2007, 12:07:37 AM »
long haired guinea pigs can be an allergy problem though.
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