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Questions in Science tagged with "chemistry"

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  In chemistry 22.4litres of gas weighs 70g at S.T.P.Calculate weight of gas if occupies volume of 20litres at 27degree celsius and 700mmHg of pressure

  Posted by cherrybhatnagar on Jun 30, 2009 at 06:44 PM

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  Ammonium salts decompose on heating. What other property do ammonium salts have in common?

  Posted by archishrma on Jun 5, 2009 at 03:18 AM

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  Name 5 different ways to describe pressure

  Posted by gus0106 on Apr 27, 2009 at 07:06 PM

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  What is the kinetic theory of gases and how can it explain some of the gas experiments?

  Posted by hyun0106 on Apr 27, 2009 at 07:02 PM

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  How are pressure, volume and temperature related to the behavior of gases?

  Posted by hyun980106 on Apr 27, 2009 at 07:01 PM

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  What are the chemical and physical properties of xenon, and the history regarding the discovery?

  Posted by jahnea on Mar 30, 2009 at 04:07 PM

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  Draw the Lewis dot structure for Mg and S. Is it an ionic or covalent bond?

  Posted by gus0106 on Mar 14, 2009 at 11:29 AM

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  What is the proper way to draw a Lewis Dot structure for an oxygen atom?

  Posted by gus980106 on Mar 14, 2009 at 11:28 AM

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  What is an example of osmosis?

  Posted by babycandy22 on Mar 6, 2009 at 12:43 PM

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  What do you think makes one liquid more dense than another?

  Posted by critical on Feb 25, 2009 at 07:00 PM

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  What happens to a substance when it melts and freezes?

  Posted by pussy1999 on Feb 21, 2009 at 01:58 PM

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  Is hydrocodone stronger than codiene?

  Posted by jta3 on Feb 18, 2009 at 07:57 PM

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  Could white musk be dangerous?

  Posted by lenapo on Feb 8, 2009 at 03:03 AM

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  The density of water is 1.00g/mL at 4'C. How many water molecules are present in 2.56mL of water at this temperature?

  Posted by mgomezy12 on Feb 6, 2009 at 10:37 AM

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  What is the chemical nature of enzymes?

  Posted by chokasarui on Feb 4, 2009 at 07:20 PM

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  i don't understand how this worksrate = k (kf / kr) [ClO2][F2] = k [ClO2][F2]where did the (kf / kr) go? i am very confused about this.

  Posted by alexh12345 on Jan 18, 2009 at 12:48 PM

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  What is one of the most harmful results, in your opinion, of the microwave ovens that were created by Percy Spencer?

  Posted by kitty11212 on Dec 8, 2008 at 07:21 PM

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  Can anybody explain the process of converting Lithium into Lithium chloride?

  Posted by isabellajone on Nov 21, 2008 at 03:06 AM

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  What is "hard water", and why does "hard water" leave more deposits in hot water pipes than in cold water pipes?

  Posted by tyhejurk on Nov 10, 2008 at 02:15 PM

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   Why are Florida's roads white (Bahamas too)?

  Posted by panther10 on Nov 6, 2008 at 02:28 PM