Kinetic Theory of Gases questions
760 published questions with worked solutions.
- The volume of given mass of a gas is increased by 7% at constant temperature. The pressure should be increased by
- An ideal gas expands adiabatically, ( = 1.5). To reduce the r.m.s. velocity of the molecules 4 times, the gas has to be expanded
- The temperature at which oxygen molecules will have same r.m.s. speed as helium molecules at 57^0C is (molecular masses of oxygen...
- The heat energy that must be supplied to 14 gram of nitrogen at room temperature to raise its temperature by 48^0C at constant...
- A perfect gas at 27°C is heated at constant pressure so as to double its volume. The final temperature of the gas will be, close...
- This question has Statement-1 and Statement-2. Of the four choices given after the Statements, choose the one that best describes...
- In the isothermal expansion of 10 g of gas from volume V to 2 V the work done by the gas is 575 J. What is the root mean square...
- Modern vacuum pumps can evacuate a vessel down to a pressure of 4.0 10^ -15 atm. at room temperature (300 K). Taking R = 8.3 JK^...
- During an adiabatic compression, 830 J of work is done on 2 moles of a diatomic ideal gas to reduce its volume by 50%. The change...
- At room temperature a diatomic gas is found to have an r.m.s. speed of 1930 ms^ -1 . The gas is:
- A gas molecule of mass M at the surface of the earth has kinetic energy equivalent to 0 °C. If it were to go up straight without...
- A flask contains argon and chlorine in the ratio of 2 : 1 by mass. The temperature of the mixture is 27^ . The ratio of root mean...
- The mean free path of molecules in an ideal gas A is half that of another ideal gas B. The diameter of the spherical molecules of...
- An ideal gas is made of polyatomic molecules. Each of the molecules has three translational, three rotational and f number of...
- In an ideal gas at temperature T, the average force that a molecule applies on the walls of a closed container depends on T as...
- Using equipartition of energy, the specific heat (in J kg^ -1 K^ -1 ) of Aluminium at high temperature can be estimated to be...
- 200 g water is heated from 40 ,^ to 60 ,^ . Ignoring the slight expansion of water, the change in its internal energy is close to...
- An ideal gas has molecules with 5 degrees of freedom. The ratio of specific heats at constant pressure (C_p) and at constant...
- A rocket is propelled by a gas which is initially at a temperature of 4000 K. The temperature of the gas falls to 1000 K as it...
- The ratio of the adiabatic to isothermal elasticities of a triatomic gas is
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