IV. Să se afle masa unei molecule şi densitatea propanului (C3Hg) aflat în condiții normale de temperatură și presiune. (NA = 6,023.102molecule/Kmol, V 40 = 22,42 mº/Kmol)
(2,5p

moving ball hits still ball. mover stops, hit ball moves. momentum transfer.

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

graph question answered .. you think better when you are relaxed and happy

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: