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17 - Kinetic Theory of Gases Questions Answers

Chemistry >> General Chemistry >> Kinetic Theory of Gases Medical Exam

the inverse of ratio of number of revolutions of electron per second in third and fourth of H-atom in terms of velocity (v) and radius (r) is

Asked By: SWATI KAPOOR
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Joshi sir comment

T α r/v    α is symbol for proportional

so f α v/r

v α 1/n

r α n2

now solve

Chemistry >> General Chemistry >> Kinetic Theory of Gases Medical Exam

The average kinetic energy of an ideal gas, per molecule in S.I. units, at 25 °C will be ..........

Asked By: SWATI KAPOOR
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Joshi sir comment

formula is {3RT/2}/N = 3kT/2

N and k are gas and Boltzmann constant

Chemistry >> General Chemistry >> Kinetic Theory of Gases IIT JEE

what is matter ???????????????

Asked By: M.ALI.MAMOON
is this question helpfull: 5 2 read solutions ( 1 ) | submit your answer
Joshi sir comment

matter is one of the fundamental constituent of the universe

Chemistry >> General Chemistry >> Kinetic Theory of Gases Medical Exam

What is the volume of a gas at NTP and STP ?wink

Asked By: AVANTIKA PURI
is this question helpfull: 2 1 read solutions ( 3 ) | submit your answer
Joshi sir comment

question is irrelevant, amount of gas is not given

Chemistry >> General Chemistry >> Kinetic Theory of Gases Medical Exam

cheeky THE CONSTANT a  IN VAN DER WALL'S EQN IS MAXM IN

A) He

B) NH3

C) CO2

D) N2

Asked By: SARIKA
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Joshi sir comment

 

Carbon dioxide                   a = 3.640

 

Helium                               a = 0.03457

 

Nitrogen                             a = 1.408

 

Ammonia                           a = 4.225

more ideal gases has lower values of a

 

Chemistry >> General Chemistry >> Kinetic Theory of Gases Medical Exam

100 ml OF AN IDEAL GAS IS HEATED IN AN OPEN VESSEL FROM 300K TO 400K . THE VOLUME OF GAS THAT WILL REMAIN IN THE VESSEL IS =?

ANS) 100ML

Asked By: SARIKA SHARMA
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Joshi sir comment

its simple because question is based on volume and gas covers the complete volume of the vessel in which it is placed.

Chemistry >> General Chemistry >> Kinetic Theory of Gases Medical Exam

AT WHAT TEMP. THE r.m.s  VELOCITY OF OXYGEN WILL BE AS THAT OF METHANE AT 270 C ?

1) 540C

2) 327K

3) 600K

4)573K

Asked By: SARIKA SHARMA
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Joshi sir comment

v = {3RT/M}1/2

so according to the given condition 

{3RT/32}1/2 = {3R300/16}1/2

or T/32 = 300/16

or T = 600

so t = 600-273 = 3270C

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