A gas is allowed to expand at constant pressure as heat is added to it. This process is
A) isothermal.
B) adiabatic.
C) isobaric.
D) isometric.
E) isentropic.
C
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____________________ is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid
Fill in the blank(s) with correct word
Lenz's Law: A circular wire ring is situated above a long straight wire, as shown in the figure. The straight wire has a current I flowing to the right, and this current is increasing at a constant rate. Which of the following statements is true?
A. There is an induced current in the wire ring, directed in clockwise orientation. B. There is an induced current in the wire ring, directed in a counterclockwise orientation. C. There is no induced current in the wire ring.
A pinned-end copper strut (E 5 110 GPa) with length L 5 1.6 m is constructed of circular tubing with outside diameter d 5 38 mm. The strut must resist an axial load P 5 14 kN with a factor of safety of 2.0 with respect to the critical load. The required thickness t of the tube is approximately:
(A) 2.75 mm
(B) 3.15 mm
(C) 3.89 mm
(D) 4.33 mm
The heat capacity at constant volume of an ideal gas depends on:
A. the temperature B. the pressure C. the volume D. the number of molecules E. none of the above