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What makes synthetic pesticide less toxic than natural pesticide?

Started by arian487 | Last post by AWK November 26, 2007, 09:26:44 AM

2 Replies
3367 Views
Last post November 26, 2007, 09:26:44 AM
by AWK
What mass of aluminum sulfate would be produced with this formula?

Started by renilee | Last post by Borek October 06, 2011, 02:45:10 AM

1 Replies
2180 Views
Last post October 06, 2011, 02:45:10 AM
by Borek
What mass of Ca2+ could be removed from hard water?

Started by DelquesOtaku | Last post by DelquesOtaku February 08, 2009, 08:04:16 PM

14 Replies
7828 Views
Last post February 08, 2009, 08:04:16 PM
by DelquesOtaku
2 Replies
4323 Views
Last post August 04, 2009, 12:44:56 PM
by busi6292
What mass of water..

Started by Nathaniel | Last post by Yggdrasil March 22, 2008, 04:43:49 PM

1 Replies
3258 Views
Last post March 22, 2008, 04:43:49 PM
by Yggdrasil
what measurements of water do I add?

Started by free2beme1597 | Last post by Borek September 19, 2014, 05:01:35 PM

6 Replies
3228 Views
Last post September 19, 2014, 05:01:35 PM
by Borek
What metal can be dissolved by hydrocholoric acid?

Started by Sprinkles | Last post by Sprinkles March 21, 2011, 08:47:25 AM

3 Replies
3046 Views
Last post March 21, 2011, 08:47:25 AM
by Sprinkles
What molarity and volume of HCl and NaOH to use for titrating antacids lab?

Started by waefwaef | Last post by Borek January 24, 2017, 03:49:36 AM

1 Replies
1910 Views
Last post January 24, 2017, 03:49:36 AM
by Borek
what molarity of HCl is "dangerous"

Started by WashableMarker | Last post by AWK May 16, 2005, 01:44:34 AM

4 Replies
20631 Views
Last post May 16, 2005, 01:44:34 AM
by AWK
What molecule does this tattoo depict (Solved?)

Started by Alvis | Last post by Borek June 22, 2021, 02:48:38 AM

1 Replies
633 Views
Last post June 22, 2021, 02:48:38 AM
by Borek
what name the compound BeH3 is?

Started by billybo | Last post by Donaldson Tan March 06, 2006, 09:38:13 PM

5 Replies
10958 Views
Last post March 06, 2006, 09:38:13 PM
by Donaldson Tan
What other methods can i use to determine the hardness of water in a school lab?

Started by ermintrudes_barn | Last post by kevins February 11, 2005, 11:04:24 AM

3 Replies
4768 Views
Last post February 11, 2005, 11:04:24 AM
by kevins
What pressure will be exerted

Started by oceanmd | Last post by ko2 March 11, 2008, 08:19:16 AM

1 Replies
2722 Views
Last post March 11, 2008, 08:19:16 AM
by ko2
What reactions are in Al + NAOH + H2O = NAAl(OH)4 + H2?

Started by henrybar | Last post by Hunter2 October 21, 2015, 03:20:35 AM

2 Replies
4190 Views
Last post October 21, 2015, 03:20:35 AM
by Hunter2
What really happens in the bonding of H2O?

Started by DarkLightA | Last post by vhpk January 02, 2010, 08:49:47 PM

3 Replies
3419 Views
Last post January 02, 2010, 08:49:47 PM
by vhpk
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