Word of the Day

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daftbeaker
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Re: Word of the Day

Postby daftbeaker » Wed Jun 08, 2011 7:00 pm

PKMKII wrote:paraquat
–noun
a toxic herbicide, C12 H14 N2 ⋅ 2CH3 SO4, applied to food and flower crops and to highway borders as a defoliant and weed-killer.

Erm, that formula looks wrong to me. Paraquat (I am reliably informed by google) is a bipyridyl chloride, not a sulfate. That formula looks impossible, it looks like it's counting the methyl groups in the main structure and the adduct.

It should be C12 H14 N2 SO4 or in the notation you used C10 H8 N2 . 2(CH3) SO4 which is messy, it doesn't show if there's one sulfate or two.

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Re: Word of the Day

Postby PKMKII » Wed Jun 08, 2011 9:25 pm

Yeah, I would entirely believe that the dictionary site isn't giving an accurate representation of the chemical formula.
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Re: Word of the Day

Postby Tigger_the_Wing » Thu Jun 09, 2011 12:11 am

Paraquat

Chemical structure

    Chemical name:

    1,1'-DIMETHYL-4',4'-BIPYRIDILIUM DICHLORIDE

    Formula (C12 H14 N2 CL2)

    Molecular weight 257.16

The term Paraquat applies also to

    1,1'-DIMETHYL-4',4'-BIPYRIDILIUM DIMETHYLSULPHATE

    Formula (C12 H14 N2 CH3 SO4)2)

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Re: Word of the Day

Postby Roy Hunter » Thu Jun 09, 2011 5:41 am

parasquat
-noun
position adopted by skydivers in order to defecate during freefall.
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Re: Word of the Day

Postby daftbeaker » Thu Jun 09, 2011 9:07 am

Whoops, my fault, I was misinterpreting the way PKMKII's definition presented the formula :blush: That'll teach me to try and interpret formulae when I'm tired.

Tigger_the_Wing wrote:The term Paraquat applies also to

    1,1'-DIMETHYL-4',4'-BIPYRIDILIUM DIMETHYLSULPHATE

    Formula C12 H14 N2 (CH3 SO4)2)

Fixed, although I'd prefer to represent it CH3OSO3 to show it's a sulfate ester. I'm confusing myself with stupid text representations of molecules now :idiot:
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Re: Word of the Day

Postby Ubi Dubium » Thu Jun 09, 2011 9:16 am

Image
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Re: Word of the Day

Postby gronank » Thu Jun 09, 2011 10:03 am

^That sounds like me when I'm having a cold.
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Re: Word of the Day

Postby DavidH » Thu Jun 09, 2011 1:10 pm

db wrote: one sulfate or two
no thanks, just milk.

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Re: Word of the Day

Postby PKMKII » Thu Jun 09, 2011 6:22 pm

spindrift
–noun
spray swept by a violent wind along the surface of the sea.
"How is it that hardly any major religion has looked at science and concluded, 'This is better than we thought! The Universe is much bigger than our prophets said, grander, more subtle, more elegant. God must be even greater than we dreamed'? Instead they say, 'No, no, no! My god is a little god, and I want him to stay that way.'" - Carl Sagan

"To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection." - Henri Poincaré

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Re: Word of the Day

Postby pieces o'nine » Thu Jun 09, 2011 8:15 pm

spindrift
–noun
Helplessly watching one's political 'message' jump the fences.
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Re: Word of the Day

Postby Tigger_the_Wing » Thu Jun 09, 2011 11:46 pm

daftbeaker wrote:Whoops, my fault, I was misinterpreting the way PKMKII's definition presented the formula :blush: That'll teach me to try and interpret formulae when I'm tired.

Tigger_the_Wing wrote:The term Paraquat applies also to

    1,1'-DIMETHYL-4',4'-BIPYRIDILIUM DIMETHYLSULPHATE

    Formula C12 H14 N2 (CH3 SO4)2)

Fixed, although I'd prefer to represent it CH3OSO3 to show it's a sulfate ester. I'm confusing myself with stupid text representations of molecules now :idiot:


Thanks for the fix - I could see that there was a '(' missing on the original but didn't feel confident to replace it in the quote.

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Re: Word of the Day

Postby Ubi Dubium » Fri Jun 10, 2011 9:12 am

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Re: Word of the Day

Postby PKMKII » Fri Jun 10, 2011 5:50 pm

carminative
–noun
1. a drug causing expulsion of gas from the stomach or bowel.
–adjective
2. expelling gas from the body; relieving flatulence.
"How is it that hardly any major religion has looked at science and concluded, 'This is better than we thought! The Universe is much bigger than our prophets said, grander, more subtle, more elegant. God must be even greater than we dreamed'? Instead they say, 'No, no, no! My god is a little god, and I want him to stay that way.'" - Carl Sagan

"To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection." - Henri Poincaré

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Re: Word of the Day

Postby PKMKII » Sat Jun 11, 2011 11:04 am

opprobrium
–noun
1. the disgrace or the reproach incurred by conduct considered outrageously shameful; infamy.
2. a cause or object of such disgrace or reproach.
"How is it that hardly any major religion has looked at science and concluded, 'This is better than we thought! The Universe is much bigger than our prophets said, grander, more subtle, more elegant. God must be even greater than we dreamed'? Instead they say, 'No, no, no! My god is a little god, and I want him to stay that way.'" - Carl Sagan

"To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection." - Henri Poincaré

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Re: Word of the Day

Postby gronank » Sun Jun 12, 2011 11:47 am

Lagom
-adjective

1. Swedish word for not necessarily right but not quite wrong enough to motivate adjustment.
2. The single word swedes use to sum up themselves and their country.
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