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Lv 43.635 points

jimschem

Favorisierte Antworten26%
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  • How can I find out if Dilead(II,IV) trioxide actually exists?

    In general how can i find out if certain inorganic molecules exist?

    Thanks.

    1 AntwortChemistryvor 1 Jahrzehnt
  • Where can I send my Gulf oil spill solution?

    This is the link to a 1 page solution to stop the Gulf oil leak:

    http://net-comber.com/bp-plug.html

    This does not address the problem of how to deal with the oil already spilled.

    Please send this link to oil companies / friends / relatives etc.

    Give me links to send this link to, please.

    Thank you in advance.

    4 AntwortenEarth Sciences & Geologyvor 1 Jahrzehnt
  • HANDS ON A CLOCK FACE PROBLEM?

    At 12:00 noon sharp both the minute hand

    and the hour hand point straight up and

    are on top of one another on all round 12

    hour clock faces.

    One hour later the minute hand has made

    a full circle and is again straight up at

    the 12. During that same hour the hour

    hand has moved and is now on top of the 1.

    Exactly what time will it be when the

    minute next hand catches up with the hour

    hand and they line up precisely again?

    Please round your answer to the nearest

    millisecond and use the form hh:mm:ss.sss.

    Hint: it will NOT be 01:05:00.000 since

    the hour hand will have moved during the

    5 minutes the minute hand took to get to

    the 1 where the hour hand was.

    1 AntwortMathematicsvor 1 Jahrzehnt
  • Plants humming birds are attracted to?

    Specifically I'm looking for the name of a plant (bush?) with purple flowers, about 6-8 feet tall.

    There is one down the street that is blooming now (Dec. Southern Calif) , I saw a humming bird feeding off it.

    There are 50-100 tiny purple flowers crowding around the tips of branches sticking up.

    Small leaves, little or no fragrance. Help me please.

    2 AntwortenOther - Home & Gardenvor 1 Jahrzehnt
  • What do you know about Lucifer?

    See Isa. 14:12 KJV

    Ancient Greek & Roman Lucifer?

    Hesperus?

    Thanks!

    14 AntwortenReligion & Spiritualityvor 1 Jahrzehnt
  • Loading... Yawn - Yawn - Ho - Hum...?

    Yahoo Answers is starting to suck - big time!

    I keep getting "Try Again" time out errors.

    What is "Yahoo Answers Not Available" supposed to mean?

    You spend 5 min typing something and then it's lost

    because "Yahoo Answers Not Available"?

    It can't be just me - are you having the same problems?

    Who else has a good "Answers" forum on the net?

    3 AntwortenPolls & Surveysvor 1 Jahrzehnt
  • Loading... Yawn - Yawn - ho hum.....?

    Yahoo answers is starting to suck - big time.

    I keep getting "Try Again" server time out errors!

    It can't be just me, is this happening to you too?

    I'm going somewhere else.

    Who else has a good 'answers' type forum?

    1 AntwortPolls & Surveysvor 1 Jahrzehnt
  • Crazy invention idea that just might work?

    Design a rechargeable lithium ion underwater backpack the size of two or three

    scuba tanks. (Lithium ion batteries are light weight and store more electrical

    energy per unit volume then other battery technologies).

    Use electricity employing hydrolysis to split water molecules (H2O) into its

    constituent gases, namely hydrogen and oxygen. Discard the hydrogen and collect

    the oxygen from one of the electrodes. Pipe the O2 to the face mask - walla!

    Simply plug in the pack to re-charge it before taking another dip.

    No compressors needed!

    SCUEBA = Self Contained Underwater Electrical Breathing Apparatus

    There are other problems that need to be worked out, but you get the basic idea.

    What are your comments, please.

    7 AntwortenEngineeringvor 1 Jahrzehnt
  • What is the exact length of the TROPICAL year?

    How is the length of the tropical year changing over long periods of time?

    1 AntwortGeographyvor 1 Jahrzehnt
  • Please tell me any Mnemonics you know?

    Three examples of Mnemonics:

    1. COLORS OF THE RAINBOW

    Mnemonic: "Richard Of York Gave Battle In Vain"

    Meaning : Red Orange Yellow Green Blue Indigo Violet

    2. THE FIVE GREAT LAKES

    Mnemonic: "HOMES"

    Meaning : Huron Ontario Michigan Erie Superior

    3. ASTRONOMY, TYPES OF STARS

    Mnemonic: "Oh Be A Fine Girl Kiss Me"

    Meaning : O B A F G K M

    4 AntwortenOther - Educationvor 1 Jahrzehnt
  • Do you know any Mnemonics?

    Three examples of Mnemonics:

    1. COLORS OF THE RAINBOW

    Mnemonic: "Richard Of York Gave Battle In Vain"

    Meaning : Red Orange Yellow Green Blue Indigo Violet

    2. THE FIVE GREAT LAKES

    Mnemonic: "HOMES"

    Meaning : Huron Ontario Michigan Erie Superior

    3. ASTRONOMY, TYPES OF STARS

    Mnemonic: "Oh Be A Fine Girl Kiss Me"

    Meaning : O B A F G K M

    4 AntwortenMathematicsvor 1 Jahrzehnt
  • 4 musical note questions - any musicians out there?

    1. What is the lowest note that a musical instrument can play?

    Example Answer: D flat, 4 octaves BELOW piano middle C.

    2. What instrument(s) can play that low note?

    3. What is the highest note that a musical instrument can play?

    Example Answer: C sharp, 4 octaves ABOVE piano middle C.

    4. What instrument(s) can play that high note?

    4 AntwortenClassicalvor 1 Jahrzehnt
  • Do you believe that God has a name?

    A. Ala

    B. Elohim

    C. God

    D. Jah

    E. Jehovah

    F. LORD

    G. Lord

    H. Yahweh

    I. All of the above

    J. None of the above

    K. Doesn't have a name

    L. There is no God

    29 AntwortenReligion & Spiritualityvor 1 Jahrzehnt
  • General chemical nomenclature question?

    Which of the following 15 chemical names

    for Fe2O3 are:

    BEST, WORST, GOOD, BAD, RIGHT OR WRONG,

    and why?

    ## Chemical Name Formula

    01 Diiron oxide Fe2O3

    02 Diiron sesquioxide Fe2O3

    03 Diiron trioxide Fe2O3

    04 Diiron(III) oxide Fe2O3

    05 Diiron(III) sesquioxide Fe2O3

    06 Diiron(III) trioxide Fe2O3

    07 Ferric oxide Fe2O3

    08 Ferric sesquioxide Fe2O3

    09 Ferric trioxide Fe2O3

    10 Iron oxide Fe2O3

    11 Iron sesquioxide Fe2O3

    12 Iron trioxide Fe2O3

    13 Iron(III) oxide Fe2O3

    14 Iron(III) sesquioxide Fe2O3

    15 Iron(III) trioxide Fe2O3

    Thank you, I appreciate all your comments.

    3 AntwortenChemistryvor 1 Jahrzehnt
  • Zircomiun monochloride ZrCl?

    Zr has an oxidation state of +4 so

    Zirconium tetrachloride makes sense with

    Chlorine as -1.

    Is Zirconium monochloride an ion of +3 or what?

    I'm confused - please help.

    2 AntwortenChemistryvor 1 Jahrzehnt
  • Where can I access large lists of chemical compounds, names & formulas?

    I've researched chemical textbooks

    and the internet for chemical

    compounds and formulas for

    Urainium, Neptunium and Plutonium

    and have a few hundred of them so far.

    If you know of any of these (or other)

    chemicals please let me know what

    they are (cut and paste them here

    please).

    I especially would like the internet

    sources (URL's) of chemical names

    and formulas.

    Examples of chemicals with names and

    formulas that I'm looking for:

    Urania UO2

    Uranium carbonate UO2CO3

    Uranium hexafluoride UF6

    Neptunium bromide NpBr3

    Neptunium monooxide NpO

    Neptunium(III) nitride NpN

    Plutonium sesquioxide Pu2O3

    Plutonium carbide PuC

    Plutonium oxide sulfide PuO2S

    Your comments and suggestions will be

    a big help to me.

    Thank you for all your help!

    4 AntwortenChemistryvor 1 Jahrzehnt
  • What proof is there, that before Columbus, most or all people in europe thought the earth was flat?

    I thought I read somewhere that it was a myth.

    6 AntwortenGeographyvor 1 Jahrzehnt