PAGS Flashcards
1
Q
what equipment is needed to measure the SHC of a substanec
A
heater thermometer stowatch electronic balance voltmeter and ammeter (E = I*V*t)
2
Q
how to imporve the SHC PAG
A
add insulation around the substance
if liquid in beaker add lid
add petroleum helly to imporve conductivity from heater to subatance
use digital thermometer - increase precision
3
Q
what direction does light refract when less dense to more dense
A
refracts towards the normal
