How many moles of potassium are there in 40g of potassium arsenate?

Started by b0gummy | Last post by b0gummy April 30, 2016, 11:11:18 PM

How do I determine if an element is harder than the other?

Started by dan_c_23 | Last post by pantone159 February 21, 2006, 02:06:51 PM

help with calculating heat transfer of a chemical reaction

Started by roneddy | Last post by Borek October 10, 2014, 03:33:23 AM

Got this question on electrolysis involving charge on ion with calculation

Started by Usman | Last post by Borek May 25, 2019, 08:48:31 AM

Given that the average pH of clean, unpolluted rain today is 5.4, determine the

Started by PhilipCheney | Last post by Borek November 15, 2010, 04:45:31 AM

Finding the Ka value of oxalic acid

Started by LilyFFC « 1 2 » | Last post by Borek February 07, 2011, 06:00:07 PM

find the integrated rate law

Started by XxslbabesxX | Last post by Donaldson Tan February 10, 2006, 11:43:58 AM

Final temperature of a mixture

Started by oceanmd | Last post by ARGOS++ April 18, 2008, 03:44:29 AM

Exercice Of Thermochemistry Help Plz

Started by Rysix | Last post by billnotgatez March 07, 2015, 10:51:52 AM

Enthalpy change at high altitudes

Started by vanklik | Last post by Mitch December 23, 2009, 02:11:40 AM

electrolysis of PdCl2 (aq ) and AgNO3 (aq) solutions .masses of Pd and Ag ?

Started by sam | Last post by sam August 03, 2006, 07:42:50 PM

Electrochemistry research-Factors affect internal resistance of a primary cell

Started by Sridhar96 | Last post by curiouscat April 04, 2013, 02:51:08 PM

effect of pressure on melting point of a substance

Started by Monte | Last post by Borek January 20, 2014, 03:09:46 AM

Delta G Naught and spontaneity

Started by galpinj | Last post by galpinj January 15, 2016, 09:32:43 PM

chitosan solution preparation

Started by Aeisyah Abas | Last post by Arkcon June 26, 2013, 07:34:51 PM