EASY
JEE Main
IMPORTANT
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The number of molecules in 1 cc of water is close to,

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Important Questions on Thermometry, Thermal Expansion and Kinetic Theory of Gases

EASY
JEE Main
IMPORTANT
16 g of Oxygen, 14 g of Nitrogen and 11 g of Carbon dioxide are mixed in an enclosure of volume 5 L and temperature 27 °C. The pressure exerted by the mixture is,
MEDIUM
JEE Main
IMPORTANT
22 g of CO2 at 27 °C is mixed in a closed container with 16 g of O2 at 37 °C. If both gases are considered as ideal kinetic theory gases, then the temperature of the mixture is
EASY
JEE Main
IMPORTANT
The ratio of the speed of sound in nitrogen gas to that in helium gas, at 300 K is
EASY
JEE Main
IMPORTANT
The velocities of three molecules are 3v, 4v and 5v, respectively. Their rms speed will be
EASY
JEE Main
IMPORTANT
The temperature at which the root mean square speed of a gas will be half its value at 0 °C is (assume the pressure remains constant)
EASY
JEE Main
IMPORTANT
Four molecules of a gas have speeds 1,2,3 and 4 km s-1. The value of the root mean square speed of the gas molecules is