Page 1 - KTG Ws-2-#141513130123

Worksheet -2 (KTG)

1 Find the ratio of average Kinetic energy per molecule of Hydrogen & chlorine at given
temperature
a. 1:2
b. 1:1
c. 1:16
d. 1:1
2 Let A & B are two sample of ideal gases of equal mole .let T be the temperature of both
the gas Let EA and EB are there total energy respectively .Let MA and MB are these
respective Molecular Mass .which of these is true
a. EA>EB
b. EA<EB
c. EA=EB
d. none of these
3 What is the total translational kinetic energy
a. 3/2n0RT
b. 3/2RT
c. 1/2RT
d. 1/2n0RT
4 A gas has v0 as rms at temperature T 0 and pressure p 0.which of the following is correct
a.If the pressure is doubled keeping temperature constant T 0 ,rms will remain same
b.if the mass of the gas molecules is tripled,rms will become .58v 0
c. if the temperature is increased such that T=4T 0,rms will become 2v 0
d. all of the above
5 Column A
A. Average energy of monatomic molecule
B. Average energy of Diatomic molecule
C. Average energy of Polyatomic molecule with no vibration
d. Average energy of Diatomic molecule which vibrate
Column B
U. 3KBT
V. 72KBT
X. 52KBT
Y. 32KBT
a. A - V,B - X,C - U,D - Y
b. A - Y,B - X,C - U,D - V
c. A -X,B - Y,C - U,D - V
d. A - Y,B - X,C - V,D - U
6 Find the ratio of average Kinetic energy per molecule of Hydrogen & chlorine at given
temperature
a. 1:2
b. 1:1
c. 1:16
d. 1:1
7 Which of the following molecule has 3 degrees of freedom?