i need help with understanding how High Performance Liquid Chromatography(HPLC) works.
ive got a note saying:
the mixture is forced through a column by liquid at high pressure, which decreases the time the separated components remain on the stationary phase and thus the time they ahve to...
its about photocurrent produced by the photoelectric effect
assuming the original emr had enough energy to cause the photoelectric effect
wud the same emr (same intensity) with higher frequency increase or decrease the photocurrent?
one book says higher frequency wud result in less...
do we have to do a poem for 2009 HSC?
ive been talkin to my friends from other schools and they say they all do a poetry
ive asked my teacher and she said no but she hasnt been teachin for long
so just to make sure tat i dont screw up my HSC
anyone not doing a poem for their ESL?