The letter D because the more the N on the left have more on the right.
Sound waves are most effective when traveling through solids. Less effective when in liquids and least effective in air.
Answer:
600K
Explanation:
PV=nRT
T=PV/nR
= 1.6atm* 15.0L/ 0.5mol*0.0821LatmK^-1mol^-1
=600K