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Questions in chemistry tagged with "chemistry"

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  DETERMINATION OF CaO IN LIMESTONE. What's the importance of these procedures?

  Posted by mschristinad on Nov 28, 2009 at 08:51 AM

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  Mercury in a thermometer is a liquid. What property of a liquid does a thermometer use?

  Posted by lucky092569 on Nov 26, 2009 at 07:02 AM

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  Will table salt bond with ethane and why or why not?

  Posted by catlover on Nov 24, 2009 at 06:27 PM

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  What is pH?

  Posted by animallover on Nov 24, 2009 at 06:01 PM

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  What are some ways to remember the following terms?

  Posted by dogcrazy on Nov 22, 2009 at 07:56 AM

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  What structural feature usually needs to be present in order for an addition polymer to be produced?  

  Posted by teatime10 on Nov 18, 2009 at 06:23 PM

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  What is the essential feature that a molecule must have in order to it be involved in the formation of a condensation polymer? 

  Posted by summer10 on Nov 18, 2009 at 06:20 PM

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    Polyethylene (polyethene) has which of the following monomers?   CH2   C2H4   CH4   C2H6

  Posted by kungfufu on Nov 18, 2009 at 06:17 PM

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  In another sample of polyethlene, the molecules contain on average, 450 monomer units. What is the molar mass of the polymer?

  Posted by feder12 on Nov 18, 2009 at 06:12 PM

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  A sample of polyethene has an average molar mass of 84500 g mol-1.

  Posted by nadal2sc on Nov 18, 2009 at 06:09 PM

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  You will have read that proteins are polypeptides composed of large numbers of amino acids linked together.

  Posted by jenny101 on Nov 18, 2009 at 05:51 PM

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  You will have also read that the carbohydrate polymers starch and cellulose are composed of glucose molecules.

  Posted by lee100 on Nov 18, 2009 at 05:44 PM

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  What is tripple distilled mercury used for and where?

  Posted by nkobi on Nov 17, 2009 at 12:41 AM

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  In conducting an experiment to obtain the graphs, a few variables must kept constant. What are these variables and explain why.

  Posted by new-lifestyle on Nov 14, 2009 at 02:36 PM

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  Does anyone have information on industrial chemistry? In urgent need of assistance

  Posted by mballaz on Nov 14, 2009 at 02:33 PM

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  Why should enough solid KHT be added to the KCl-NaCl solution to ensure that some solid remains undissolved after the 20-min stirring?  

  Posted by mook12 on Nov 3, 2009 at 03:21 PM

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  How do you write the chemical equation using NaOH and H2O? Include heat on the appropriate side of the equation?

  Posted by dandelion125 on Oct 24, 2009 at 10:49 PM

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  What are the Endocrine glands and what are their purpose?

  Posted by valenjenkins on Oct 21, 2009 at 04:12 AM

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  What is blood made up of?

  Posted by hbzuk on Oct 21, 2009 at 02:42 AM

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  i want to make a gas sensor for co2 based on electrochemistry. So i want to know that how can we genrate potential difference with co2?

  Posted by deveshk on Oct 7, 2009 at 06:42 AM