A certain mass of dry air with = 1.4 at NTP is expanded to three times its volume under adiabatic conditions then the resulting pressure is
A) 0.215
atm
B) 1.215atm
C) 4.655atm
D) 0.655atm

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.