Total # Posts: 5
Two forces of resultant 100N are prependicular to each other. If one of them makes angle 60degree with the resultant, calculate the magnitude of the forces. (Sin60degree=0.87, cos60degree=0.5)
October 10, 2014
A student used 5.06g of copper sulphate pentahydrate and salicyclic acid in the performance of the experiment. The student recovered 3.094g of salicyclic acid and 2.146g of copper sulphate pentahydrate. What is wrong with the student's result? How might this error have ...
April 3, 2013
list of rf values
can you give a comprehensive list of rf values. rf: Radio Frequency? I am uncertain what the context of rf is. rf probably is related to chromatography. They are the retention factors for thin layer chromatography; i.e., TLC. I looked on www.google.com an this is what I found...
December 7, 2006