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The Longest Wavelength of the Balmer series corresponds to n=3 to n=2

Started by tophernus | Last post by tophernus September 12, 2010, 12:53:45 PM

2 Replies
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Last post September 12, 2010, 12:53:45 PM
by tophernus
lewis structure for H2PO4-

Started by stevethor28 | Last post by AWK October 03, 2005, 01:49:39 AM

1 Replies
30092 Views
Last post October 03, 2005, 01:49:39 AM
by AWK
Hybridization, sigma bond vs. pie bond question

Started by sam12103 | Last post by cth November 30, 2009, 07:10:37 AM

10 Replies
30282 Views
Last post November 30, 2009, 07:10:37 AM
by cth
finding mole fraction from percent by weight

Started by goosefraba | Last post by jena2nsu June 10, 2012, 05:57:32 PM

6 Replies
30480 Views
Last post June 10, 2012, 05:57:32 PM
by jena2nsu
Obtaining Ammonium Nitrate

Started by Tryptamine | Last post by Arkcon January 24, 2008, 09:15:48 PM

14 Replies
30487 Views
Last post January 24, 2008, 09:15:48 PM
by Arkcon
Why doesn't copper react with HCl?

Started by musicgrl00 | Last post by AlIXe December 14, 2007, 04:00:03 AM

3 Replies
30542 Views
Last post December 14, 2007, 04:00:03 AM
by AlIXe
NaCl and AgCl solutivity question

Started by Perrin | Last post by Mitch August 10, 2008, 07:32:52 PM

7 Replies
30584 Views
Last post August 10, 2008, 07:32:52 PM
by Mitch
3 Replies
30698 Views
Last post December 10, 2006, 03:33:12 PM
by pixyatplay
copper sulfate + sodium carbonate = 2 different reactions

Started by antimatter101 | Last post by Borek July 12, 2013, 02:31:27 AM

7 Replies
30717 Views
Last post July 12, 2013, 02:31:27 AM
by Borek
Is P4S10 called Tetraphosphorus Decasulfide or Phosphorus Pentasulfide

Started by unsavedhero | Last post by Hunter2 October 08, 2013, 04:50:14 AM

1 Replies
30721 Views
Last post October 08, 2013, 04:50:14 AM
by Hunter2
Mass percent of alcohol in the blood?

Started by marco9905 | Last post by Borek April 01, 2008, 05:08:53 AM

5 Replies
31041 Views
Last post April 01, 2008, 05:08:53 AM
by Borek
Formula Units

Started by noiseordinance | Last post by Astrokel April 12, 2009, 01:26:46 AM

5 Replies
31343 Views
Last post April 12, 2009, 01:26:46 AM
by Astrokel
What evidence of a chemical reaction might you see in the following cases?

Started by firedamage | Last post by Arkcon February 08, 2009, 09:56:07 AM

9 Replies
31406 Views
Last post February 08, 2009, 09:56:07 AM
by Arkcon
Slaters rules for effective nuclear charge

Started by BeepoGirl | Last post by BeepoGirl May 03, 2009, 08:46:09 AM

2 Replies
31446 Views
Last post May 03, 2009, 08:46:09 AM
by BeepoGirl
Calculate Gibbs energy of Formation , given delta G values ?

Started by science123 | Last post by sjb April 24, 2009, 08:54:02 AM

7 Replies
31591 Views
Last post April 24, 2009, 08:54:02 AM
by sjb
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