States of Matter
A gas will approach ideal behaviour at
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The pyknometric density of sodium chloride crystal is 2.165×103kgm−3 while its X ray density is 2.178×103kgm−3 the fraction of unoccupied sites in NaCl crystal is
The value of universal gas constant R depends on :
The vapour pressure of water at 80∘C is 355 mm of Hg. 1 L vessel contains O2 at 80∘C, which is saturated with water and the total pressure being 760 mm of Hg. The contents of the vessel were pumped into 0.3 L vessel at the same temperature. What is the partial presure of O2?
Initial temperature of an ideal gas is 75∘C. At what temperature, the sample of neon gas would be heated to double its pressure, if the initial volume of gas is reduced by 15%?
Select one correct statement. In the gas equation, PV=nRT
A certen amount of gas at 2.5∘C and at a pressure of 0.80 atm is kept in a glass vessel. Suppose that the vessel can withstand a pressure of 2.0 atm. How high can you raise the temperature of the gas without bursting the vessel?
If a gas gets half compressed, compared to an ideal gas, the compressibility factor Z is equal to
A student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?