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Topic: bubbling hydrogen nitrogen gas into sulfuric acid  (Read 8398 times)

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lopazopy

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bubbling hydrogen nitrogen gas into sulfuric acid
« on: September 21, 2005, 10:38:34 AM »
Does a 40% nitrogen 60% hydrogen gas mixture have any effect on H2SO4 at room temperature?

I have 6.5M H2SO4 and was going to bubble the gas into the acid at room temperature.  Will the gas change the molarity of the acid?

I've searched the internet for information about this, but can't find anything.  If you could point me into a direction with more information, I'd appreciate it.
« Last Edit: September 21, 2005, 11:10:08 AM by lopazopy »
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Offline jdurg

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Re:bubbling hydrogen nitrogen gas into sulfuric acid
« Reply #1 on: September 21, 2005, 11:39:17 AM »
Nope.  Nitrogen gas and hydrogen gas will simply pass right through the weak acid solution.
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Offline Borek

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Re:bubbling hydrogen nitrogen gas into sulfuric acid
« Reply #2 on: September 22, 2005, 04:59:59 AM »
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Offline jdurg

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Re:bubbling hydrogen nitrogen gas into sulfuric acid
« Reply #3 on: September 22, 2005, 09:11:53 AM »
When you're used to dealing with concentrated H2SO4, or concentrated HNO3, or concentrated HCl, 6.5 molar is pretty weak.   :D
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Offline Donaldson Tan

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Re:bubbling hydrogen nitrogen gas into sulfuric acid
« Reply #4 on: September 22, 2005, 04:11:42 PM »
technically, as long there is complete dissociation, H2SO4 is still considered as a strong acid. pH-wise, 6.5M of H2SO4 is still less acidic than concentrated H2SO4 because of the significant difference in H+ concentration.
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Offline Donaldson Tan

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Re:bubbling hydrogen nitrogen gas into sulfuric acid
« Reply #5 on: September 22, 2005, 06:27:04 PM »
wow. i learn something new today, from borek.
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Offline Borek

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Re:bubbling hydrogen nitrogen gas into sulfuric acid
« Reply #6 on: September 22, 2005, 07:02:12 PM »
Quote from: geodome on September 22, 2005, 06:27:04 PM
wow. i learn something new today, from borek.

Sorry Geo, I was wrong. I have deleted my post to mot mislead others. I had some doubts so I have checked. Activity coefficients go down at first, but for higher ionic strengths they go up, so they go not through a maximum, but through a minimum.

Seems I was wrong all my life  >:(

The faster you forget what you have "learned" from me today, the better for you.
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