Gases & Solutions
States of Matter
0.220g of a gas occupies a volume of 112mL at a pressure of 1 bar and temperature of 273 K. The gas can be:
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The critical temperature of water is higher than that of O2 because the H2O molecule has
Kinetic energy of a molecule is zero at 0∘C
Calculate the total number of electrons present in 1.4 g of dinitrogen gas.
At 0∘C the density of certain oxide of a gas at 2 bar is same as that of dinitrogen at 5 bar. What is the molecular mass of the oxide?
If the value of Avogadro numberis 6.023×1023mol−1 and the vaueof Boltzmann constant is 1.380×10−23JK−1, then the number of significant digits in the calculated value of the universal gas constant is
A gas will approach ideal behaviour at
What will be the temperature in degree celsius if TF=96F?
A person needs a lens of power −5.5 dioptres for correcting his distance vision. For correcting his near vision he needs a lens of power +1.5 dioptre. What is the focal length of the lens required for correcting (i) distance vision, and (ii) near vision?