July 29, 2021, 02:03:11 AM
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Last post October 13, 2013, 03:15:31 PM
by magician4
Why do we persist in teaching models of the atom we know are wrong?

Started by plyrjohn404 | Last post by sjb June 14, 2009, 07:03:24 AM

2 Replies
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Last post June 14, 2009, 07:03:24 AM
by sjb
10 Replies
4101 Views
Last post July 31, 2015, 02:31:31 AM
by confusedstud
Why do you feel the wind?

Started by clumsy_panda | Last post by clumsy_panda April 10, 2007, 10:08:33 PM

2 Replies
2494 Views
Last post April 10, 2007, 10:08:33 PM
by clumsy_panda
why do you need to let something cool before weighing it?

Started by gsxrguru2 | Last post by gsxrguru2 September 18, 2007, 04:33:18 PM

2 Replies
26523 Views
Last post September 18, 2007, 04:33:18 PM
by gsxrguru2
Why does a bike pump get hot when you use it? and other stupid question.

Started by Aleck | Last post by BurntFinger August 03, 2014, 05:44:41 PM

4 Replies
17422 Views
Last post August 03, 2014, 05:44:41 PM
by BurntFinger
Why does a higher pH mean less hydrogen cations?

Started by Schwarz107 | Last post by mjc123 November 13, 2017, 07:03:59 AM

4 Replies
2334 Views
Last post November 13, 2017, 07:03:59 AM
by mjc123
Why does a reaction happen?

Started by Agnostical | Last post by Borek September 25, 2009, 08:22:52 AM

7 Replies
5933 Views
Last post September 25, 2009, 08:22:52 AM
by Borek
Why does a strong acid+metal reaction have a lower activation energy than a weak

Started by blueboing | Last post by Hello12 February 01, 2009, 01:19:54 PM

1 Replies
4549 Views
Last post February 01, 2009, 01:19:54 PM
by Hello12
Why does adding too much indicator alter titration results.?

Started by Sam1988 | Last post by Borek April 29, 2021, 03:06:45 AM

1 Replies
139 Views
Last post April 29, 2021, 03:06:45 AM
by Borek
Why does adding water increase the degree of ionization?

Started by btx3 | Last post by btx3 April 15, 2013, 08:54:27 AM

5 Replies
3498 Views
Last post April 15, 2013, 08:54:27 AM
by btx3
3 Replies
23905 Views
Last post July 09, 2008, 04:43:46 PM
by cliverlong
Why does ammonia have a lower boiling point than water?

Started by confusedstud | Last post by confusedstud February 14, 2013, 03:05:43 AM

0 Replies
4724 Views
Last post February 14, 2013, 03:05:43 AM
by confusedstud
Why does antifreeze have low viscosity?

Started by sugaJ | Last post by lancenti July 03, 2009, 04:16:42 AM

1 Replies
3711 Views
Last post July 03, 2009, 04:16:42 AM
by lancenti
Why does C2h4 has pi bonds but C2h6 has sigma only?

Started by vinci | Last post by orthoformate August 01, 2016, 11:15:19 AM

6 Replies
5285 Views
Last post August 01, 2016, 11:15:19 AM
by orthoformate
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