States of Matter (Gaseous & Liquid State) questions
213 published questions with worked solutions.
- If Z is a compressibility factor, van der Waals equation at low pressure can be written as:
- Consider the van der Waals constants, a and b, for the following gases. | Gas | Ar | Ne | Kr | Xe | |---|---|---|---|---| |...
- At a given temperature T, gases Ne, Ar, Xe and Kr are found to deviate from ideal gas behaviour. Their equation of state is given...
- Consider the following table: | Gas | a/(kPa dm^6 mol^ -1 ) | b/(dm^3 mol^ -1 ) | |---|---|---| | A | 642.32 | 0.05196 | | B |...
- A mixture of N_2 and Ar gases in a cylinder contains 7 g of N_2 and 8 g of Ar. If the total pressure of the mixture of the gases...
- Which one is not correct mathematical equation for Dalton's Law of partial pressure? Here p = total pressure of gaseous mixture
- A 10.0 L flask contains 64 g of oxygen at 27ºC. (Assume O_2 gas is behaving ideally). The pressure inside the flask in bar is :...
- Choose the correct option for the total pressure (in atm.) in a mixture of 4 g O_2 and 2 g H_2 confined in a total volume of one...
- The pressure exerted by a non-reactive gaseous mixture of 6.4 g of methane and 8.8 g of carbon dioxide in a 10L vessel at 27ºC is...
- The volume occupied by 4.75 g of acetylene at 50°C and 740 mmHg pressure is _____ L. (Rounded off to the nearest integer) [Given...
- At 300 K, a sample of 3.0 g of gas A occupies the same volume as 0.2 g of hydrogen at 200 K at the same pressure. The molar mass...
- The pressure of a moist gas at 27°C is 4 atm. The volume of the container is doubled at the same temperature. The new pressure of...
- A 10 g mixture of hydrogen and helium is contained in a vessel of capacity 0.0125 m^ 3 at 6 bar and 27°C. The mass of helium in...
- To an evacuated vessel with movable piston under external pressure of 1 atm., 0.1 mol of He and 1.0 mol of an unknown compound...
- A gas has a compressibility factor of 0.5 and a molar volume of 0.4 dm^3 mol^ -1 at a temperature of 800 K and pressure **x**...
- For a real gas at 25°C temperature and high pressure (99 bar) the value of compressibility factor is 2, so the value of Van der...
- 100 g of an ideal gas is kept in a cylinder of 416 L volume at 27°C under 1.5 bar pressure. The molar mass of the gas is _____ g...
- Arrange the following gases in increasing order of van der Waals constant 'a' (A) Ar (B) CH_4 (C) H_2O (D) C_6H_6 Choose the...
- At constant temperature, a gas is at a pressure of 940.3 mm Hg. The pressure at which its volume decreases by 40% is ______mm Hg....
- A certain quantity of real gas occupies a volume of 0.15 dm^3 at 100 atm and 500 K when its compressibility factor is 1.07. Its...
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