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#1
This is the sentence:
This establishes ___ H+ concentration gradient.

The blank is supposed to say either "an" or "a." The problem is, you could pronounce H+ "Aych-Plus" or you could pronounce it "hydrogen ion," because that's what H+ stands for, after all. Which is it?
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#3
A-before a consonant.
An-before a vowel
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#4
Quote by DempseyPunk
A-before a consonant.
An-before a vowel



Yeah really.
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#5
Quote by DempseyPunk
A-before a consonant.
An-before a vowel

But it can be pronounced with either a vowel or consonant being the first letter, that's the problem.
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#7
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#8
"An" for that one too i believe... I see your dilemma though, that's a tough one. Its more obvious in speech, but it would read better with "an" I think.
#9
Quote by DempseyPunk
A-before a consonant.
An-before a vowel


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#11
usually h has an in front of it. Even though it sounds ****ing weird. "An history of..." sounds weird but it's correct

EDIT: upon further research, it used to be correct but technically is not anymore, but the practice continues
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Last edited by namesroverrated at Sep 30, 2009,
#13
Quote by namesroverrated
usually h has an in front of it. Even though it sounds ****ing weird. "An history of..." sounds weird but it's correct


Damn, that is ****ing weird indeed.
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#14
An, in this situation.

what about the way irish/british people say it? hay-ch. that weirds me out.
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#15
oh the english language is retarded but i vote an
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#20
This establishes a form of H+ concentration gradient.

This establishes a kind of H+ concentration gradient.

This establishes the H+ concentration gradient.


Is this purely solving the problem for solving the problem, or do you just need to know it for text.

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#21
An would be correct in both situations I believe, but I agree that it sounds weird.
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#23
I'm pretty sure it should be a. I think you write hydrogen ions as H+ but when reading you should still call it a hydrogen ion. **** i can't explain it i iz st0opid
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#24
Quote by jetfuel495
Whenever I hear it pronounced like that I die a little inside.


Z = Zed?


Wat.
I will stand by all this drinking if it helps me through these days,
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#25
I would assume that 'A' is often used before a word that starts with 'H' because the 'H' is pronounced silent. I'd say 'An'. But really, just change the format of the sentence.
#26
Take the easy way out and call it a proton instead of a(n) hydrogen ion.
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#27
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Z = Zed?


Wat.

oh god my eyes! the goggles do nothing!
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#28
Quote by VaporTrails67
Take the easy way out and call it a proton instead of a(n) hydrogen ion.



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#29
Depends on which school of pronunciation you belong to, i.e. aitch or haitch.

Some people don't pronounce their haitches and always use an "an" (or they do say a hard "h" and use "an" anyway, which always sounded weird to me). I don't know the precise history but it originates from the French, who I believe do not use the "h" sound. When they invaded England they brought that with them, however English originally had the hard "h" sound and so always used "a".

Everyone else (myself included) uses the English version, which has as aforementioned the hard "h" sound. In this case use "a".

So, both are correct depending on how you say it.
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#30
A. That's how it reads, so I'm going to go with that.
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#31
just keep in mind, you will fail the assignment if you choose the wrong answer
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#33
A if you pronounce the 'H' like Hydrogen "A Hydrogen Atom"

An if the 'H' is silent like Heir or Hour "in an Hour"

atleast, this is what I think your trying to get at
#34
If it's that much of an issue, couldn't you just use "the" instead?

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#35
Quote by jetfuel495
That's just sexy. Buy only when a girl says it. An attractive girl with an attractive accent.



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#37
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A-before a consonant.
An-before a vowel


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#38
Quote by NakedInTheRain
A hydrogen ion.

An H+ ion.



This is correct. Basically, since H+ is an abbreviation, you read it as such. You are supposed to think of it as H, not hydrogren. Therefore, since H has a vowel sound at the beginning, you use "an". Hydrogen begins with the H sound, therefore you use "a".
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#40
Quote by Zugunruhe
An, in this situation.

what about the way irish/british people say it? hay-ch. that weirds me out.

That happens in Cape Breton (northern island part of NS) as well, unless my Caper teachers I've had are idiots.

And the correct name is Hydrogen Ion, so 'a'. Or you could bypass it and say 'a concentration gradient of H+' or something.
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