An adiabatic free expansion of a gas in a thermally isolated container is not reversible because
a. work must be done on the gas to return it to its original volume. b. heat must be exchanged with the surroundings to return the gas to its original temperature. c. its internal energy has a greater value after the expanded gas is returned to its original volume and temperature. d. of all of the above. e. of (a) and (b) above only.
Question 2
Which of the following is an almost reversible process?
a. The explosion of hydrogen and oxygen to form water.
b. Heat transfer through thick insulation.
c. The adiabatic free expansion of a gas.
d. A slow isothermal compression of a gas.
e. A slow leakage of gas into an empty chamber through a small hole in a membrane.
Three types of reversible inhibition
Reversible phosphorylation and direction of mRNP nuclear export
Free Energy Rules: The Second Law in Open Systems
Contributions to the free energy of folding of globular proteins
Free energy diagrams for the simple reaction A ----> B
Pulegone, a cyclic monoterpene, can be isolated from the essential oil of pennyroyal, a member ...