Acids
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Re: Acids
He hasn't gone into depth on this topic yet so I feel like we would know more maybe next week. For now, I think he has mentioned strong acids like HCl as well as several weak acids. Knowing the strong acids would be important in knowing that they are completely ionized in an aqueous solution.
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Re: Acids
I think knowing the 7 common acids would be helpful! They are:
hydrochloric acid. HCL.
hydrobromic acid. HBr.
Hydroiodic acid. HI.
Nitric acid. HNO3.
Perchloric acid. HClO4.
Sulfuric acid. H2SO4.
Chloric acid. HClO3
hydrochloric acid. HCL.
hydrobromic acid. HBr.
Hydroiodic acid. HI.
Nitric acid. HNO3.
Perchloric acid. HClO4.
Sulfuric acid. H2SO4.
Chloric acid. HClO3
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Re: Acids
Dr. Lavelle will most likely give us an idea on which specific acids we should know but the most common acids (shown above) are a good place to start!
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Re: Acids
Jessica Tran_3K wrote:I think knowing the 7 common acids would be helpful! They are:
hydrochloric acid. HCL.
hydrobromic acid. HBr.
Hydroiodic acid. HI.
Nitric acid. HNO3.
Perchloric acid. HClO4.
Sulfuric acid. H2SO4.
Chloric acid. HClO3
These are the 7 main ones you should definitely know!
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Re: Acids
Probably the 7 main strong & weak acids he went over in class, and we will probably have to know bases too, but i'm sure Dr. Lavelle will tell us as we get closer to the final.
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Re: Acids
Tracey Tran 3I wrote:What acids are we expected to know?
As mentioned above, I don't think there is a specific list of acids that we are expected to know. However, in lecture today, Dr. Lavelle did go over trends on acid/base strength. Based on that, I think he would probably expect us to know acid/base strength not based on memorization, but rather periodic trends. Thus, I think it's better to understand the concepts, rather than a memorized list.
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Re: Acids
He will probably ask questions about acid/base strength based on the list given. As long as you know how to find strength, you would be able to answer the questions based on those 7.
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Re: Acids
Any molecule that contains a hydrogen or H+ that molecule will most have a high acidity. And basics will usually have an OH-
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Re: Acids
ahuang wrote:A good list to know is this list of 7 strong acids: HCl, HBr, HI, H2SO4, HNO3, HClO3, HClO4
Also know that generally molecules with COOH are weak acids.
is H2SO4 different from the others because it has two Hydrogens?
Re: Acids
ZevMarx-Kahn3C wrote:ahuang wrote:A good list to know is this list of 7 strong acids: HCl, HBr, HI, H2SO4, HNO3, HClO3, HClO4
Also know that generally molecules with COOH are weak acids.
is H2SO4 different from the others because it has two Hydrogens?
It's different in that H2SO4 can dissociate twice, meaning it is polyprotic:
H2SO4 + H2O <-> H3O+ + HSO4-
HSO4- + H2O <-> H3O+ + SO4 (2-)
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