When a gas expands adiabatically,
A) the internal energy of the gas decreases.
B) the internal energy of the gas increases.
C) there is no work done by the gas.
D) work is done on the gas.
E) heat flows out of the system.
A
You might also like to view...
The disk of the Milky Way is approximately 20,000 ly in diameter
Indicate whether the statement is true or false
The relationship 
for an elliptical orbit follows from the fact that the satellite’s velocity is perpendicular to its position vector at the two extreme points and also from
A. Conservation of angular momentum. B. Conservation of energy. C. Conservation of momentum. D. Newton’s second law. E. Some other properties of ellipses. F. (The given relationship is false!)
The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 3, there will be permitted how many orbital magnetic quantum numbers?
a. 5 c. 4 b. 8 d. 7
The ocean thermal energy conversion project uses the surface water near tropical islands with a temperature of 20°C as the hot temperature reservoir,
and the water at some depth, with a temperature of 5.0°C, as the cold temperature reservoir for a heat engine. What is the maximum possible efficiency of an engine running between those two temperatures? A) 30% B) 4.7% C) 7.9% D) 15% E) 5.1%