H2S, O2 and CH3OH all have comparable molecular masse. list the dominant type of IMF for the pure substances, then rank the strength of each compound based on IMFs within the sample

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added