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Thread: chemistry homework help !(:

  1. #1 chemistry homework help !(: 
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    can you name a salt derived from nitrous acid (HNO2) ?


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    No. Can you? Salt is sodium cloride isn't it . Can't seem to find too much cloride in hydro noxous oxide or whatever. How do you get salt out of that?


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    I can't see oxygen and nitrogen forming even a crystal. Oxygen on the outside and nitrogen on the inside would work but it wouldn't be a crystal. The other way around,same thing. Side by side? Where is the salt.
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    This is homework. You can't expect us to answer it for you. You have to tell us what you know and what you think the right approach would be.

    And - don't take any notice of post #2 - there are all kinds of salts. Salt (chemistry) - Wikipedia, the free encyclopedia
    "Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen." Winston Churchill
    "nature is like a game of Jenga; you never know which brick you pull out will cause the whole stack to collapse" Lucy Cooke
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    Brassica oleracea Strange's Avatar
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    can you name a salt derived from nitrous acid (HNO2) ?
    It might help to think about how compounds of, say, metals with nitric acid versus nitrous acid are named.

    (And, yes, ignore posts #2 and #3)
    ei incumbit probatio qui dicit, non qui negat
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    you are right. there are many other salts than sodium cloride ,but its beyond me how three gasses can make a salt, freeze them?, but then i'm not a chemist.
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    Brassica oleracea Strange's Avatar
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    For both helloangie and sapien...

    Think about sodium chloride, the "archetypal" salt: it is made from sodium (a metal) and hydrochloric acid, hence the name chloride.

    For cases where there are related acids (nitrous and nitric, or sufuric and sulfurous) then the naming of salts reflects which acid it was formed from.

    Does that ring any bells for you, helloangie? I don't want to give too much away in one go!
    ei incumbit probatio qui dicit, non qui negat
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    Wiki nitric acid look for the references and its the third one down. (your teacher thought he was slick)
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by sapien View Post
    Wiki nitric acid look for the references and its the third one down. (your teacher thought he was slick)
    Note that the question was about nitrous acid, not nitric.

    And "look it up on wikipedia" is not really helping someone think through the problem and learn. But maybe you are one of those who thinks the only important thing is getting the right answer.
    ei incumbit probatio qui dicit, non qui negat
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    Thats where I found it in an old reference book hidden. What is the difference between nitric and nitrus anyway?
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by sapien View Post
    What is the difference between nitric and nitrus anyway?
    Look it up on Wikipedia.

    Different oxidation states: HNO2 vs HNO3
    ei incumbit probatio qui dicit, non qui negat
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    Alright different names. Strange have you ever heard of the xenon and platninum experiment?
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by sapien View Post
    Alright different names.
    For different substances, with different properties.

    Strange have you ever heard of the xenon and platninum experiment?
    Yes (but don't forget the fluorine). But how is that relevant?
    ei incumbit probatio qui dicit, non qui negat
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    Flourine is highly reactive with just about everything because of its octet it wants to combine with everything. The xenon and platnum experiment was when they thought xenon was a useless gas and didn't combine with anything they accidently got it to react with platnum in a flask. It instantly turned the gas into a solid and the entire flask was instantly filled all at once. It made the cover of Scientific American in august or september of 1962. Magic.
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    Brassica oleracea Strange's Avatar
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    But how is that relevant?
    ei incumbit probatio qui dicit, non qui negat
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    Relevant to what?
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    Brassica oleracea Strange's Avatar
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    Concentrate, man! Concentrate!

    Salts of nitrous acid. The subject of the thread.
    exchemist likes this.
    ei incumbit probatio qui dicit, non qui negat
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    This thread is a homework assignment. Reminds me of when i was back in school our illustrious and nonel loreat chemistry teacher made us do chemistry math about energys and combining resultants we didn't do a lot of lab but he was realy into enthropy. Since this is a homework area its good to be able to see how great minds work.(kidding)
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