Use the confidence rubric (on the next page) to explain which prediction in #2 would you have higher confidence in and why?

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.

This lab will not "work" for some people - they won't be able to collect a clump of dna for their necklace. explain how it is possible to have actually extracted dna from your cheek cells, yet at the end of the lab procedures, it is not obviously visible.