Author Question: Three moles of an ideal gas with a molar heat capacity at constant volume of 4.9 cal/(molK) and a ... (Read 107 times)

mwit1967 · **on:** Jul 29, 2018

Three moles of an ideal gas with a molar heat capacity at constant volume of 4.9 cal/(molK) and a molar heat capacity at constant pressure of 6.9 cal/(molK) starts at 300 K and is heated at constant pressure to 320 K,

then cooled at constant volume to its original temperature. How much heat flows into the gas during this two-step process?
A)

710 cal

B)

-720 cal

C)

0 cal

D)

120 cal

E)

-120 cal

Question 2

List and describe the two types of waves.

What will be an ideal response?

kswal303 · **Reply #1 on:** Jul 29, 2018

Answer to Question 1

D

Answer to Question 2

In a transverse wave, the vibration of the particles of the medium is perpendicular to the motion of the wave itself. In a longitudinal wave, the vibration of the particles of the medium is along the direction of the wave's motion.