In an adiabatic free expansion
a. no heat is transferred between a system and its surroundings.
b. the pressure remains constant.
c. the temperature remains constant.
d. the volume remains constant.
e. the process is reversible.
Question 2
Which statement below regarding the First Law of Thermodynamics is most correct?
a. A system can do work externally only if its internal energy decreases.
b. The internal energy of a system that interacts with its environment must change. c. No matter what other interactions take place, the internal energy must change if a system undergoes a heat transfer.
d. The only changes that can occur in the internal energy of a system are those produced by non-mechanical forces.
e. The internal energy of a system cannot change if the heat transferred to the system is equal to the work done by the system.
Circulatory System: Blood Vessels
Interrelationships of the integumentary system with other body systems
The Major Divisions of the Peripheral Nervous System
The Olfactory System
The respiratory system.
The two circuits of the human cardiovascular system