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

Physics & Space Science

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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

Physics & Space Science

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.

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science