The BME was C + O2 —> CO2 (implicit), so C is oxidized (0 -> +4) and O was reduced (0 -> -2)
There were 70 questions, right? How would that work in terms of calculating a raw score?
Was -555 an answer? And for the I remember that one of the part 1’s answer was sublimation. I got 1 sublimation, 1 neutralization (for limestone), 1 condensation, and 1 reduction/oxidation. Like if you got the same.
@Arpeggio206 reduction and oxidation were separate choices, and there were only 4 questions in that set (don’t think condensation was an answer to any of the 4)
@tooeasy I’m pretty sure there was one with gases that was condensation. And to address your point about the 4 questions, I don’t remember if I put oxidation or reduction.
Did the freezing point question ask for the lowest freezing point? If so, I put 0.1 M AlCl3, which would be wrong
The answer was AlCl3.
Did you guys get condensation for one of the questions and -555 KJ for one of the mc?
@Arpeggio206 Are you sure? The more ions, the lower the freezing point, because of the equation kmi, where i is the number of particles. So, the strong acid would have more particles since it dissociates easily. That’s why I picked the SA, but I could be wrong.
Anyone know if Carbon gas can be collected over water displacement?
@partynextdoor the more moles of ions, the higher the freezing point. The strong acid probably was the answer because i=2, which was less than everything else
@apactstudent freezing point is lowered by 1.86 celsius for every molal of ions
AlCl3 has the least freezing point because out of all the choices, it created the greatest number of ions -> 1Al3+ and 3Cl-. Can someone answer my question about -555 KJ and condensation?
@PartyNextDoor any gas not soluble (or only slightly) in water can be collected over water
@tooeasy @arpeggio206 thanks
Ugh stressing
Can someone answer my question about -555 KJ and condensation?
does anyone remember the exact question with -795 as the answer
LOL
Which of these is not a function of temperature?
I put Total energy of the system
@Arpeggio206 they were different problems. positive 555 is the correct answer for a different problem