Popular Questions
- Absolute zero is defined as the temperature
- At constant temperature, in a given mass of an ideal gas
- A closed flask contains water in all its three states solid, liquid and vapour at 0°C. In this situation, the average kinetic en..
- Select one correct statement. In the gas equation, PV = nRT
- When, is deviation more in the behavior of a gas from fhe ideal gas equation PV = nRT?
- 50 ml of hydrogen diffuses out through a small hole of a vessel, in 20 minutes. The time taken by 40 ml of oxygen to diffuse out ..
- An ideal gas, obeying kinetic theory of gases can not be liquefied, because
- Which of the following statements is wrong for gases?
- Vander Waals real gas, acts as an ideal gas, at which conditions?
- By what factor does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?
- Two gases A and B having the same volume diffuse through a porous partition in 20 and 10 seconds respectively. The molecular mass..
- 50 ml of each gas A and of gas B take 150 and 200 seconds respectively for effusing through a pin hole under the similar conditio..
- A certain gas takes three times as long to effuse out as helium. Its molecular mass will be
- The molecular velocity of any gas is
- Which one of the following statements is not true about the effect of an increase in temperature on the distribution of molecular..
- In van der Waals equation of state of the gas law, the constant b is a measure of
- According to the kinetic theory of gases, in an ideal gas, between two successive collisions a gas molecule travels
- Based on kinetic theory of gases followed laws can be proved
- A mixture of 40 g of oxygen and 40 g of helium has a total pressure of 0.9 atm. The partial pressure of oxygen is
- Two different gases enclosed in different flasks A and B at same temperature and pressure were found to contain same number of mo..
- A certain gas diffuses four times as quickly as oxygen. The molecular weight of the gas is
- The compressibility factor of an ideal gas is
- In the gas equation: PV = nRT
- At what pressure will a quantity of gas, which occupies 100 ml at a pressure of 720 mm, occupy a volume of 84 ml
- Dominance of strong repulsive forces among the molecules of the gas (Z = compressibility factor)
- In P versus V graph, the horizontal line is found in which ................ exists.
- Two flasks X and Y have capacity 1 L and 2L respectively and each of them contains 1 mole of a gas. The temperatures of the flask..
- In the van der Waals equation, a signifies
- Which of the following statement is false?
- Two separate bulbs contain ideal gases A and B. The density of gas A is twice that of gas B. The molecular mass of A is half that..
- Energy equivalent to one erg, one joule and one calorie is in the order
- A container has hydrogen and oxygen mixture in ratio of 1: 1 by weight, then
- Which of the following is incorrect statement about an ideal gas?
- Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of the helium atoms is.
- A 4: 1 mixture of helium and methane is contained in a vessel at 10 bar pressure. Due to a hole in the vessel, the gas mixture le..
- Which one of the following statement is not true about the effect of an increase in temperature on the distribution of molecular ..
- Equal volumes of two gases which do not react together are enclosed in separate vessels. Their pressures at 100 mm and 400 mm res..
- Which of the following statements is NOT true about the effect of an increase in temperature on the distribution of molecular spe..
- A gas is said to behave like an ideal gas when the relation PV/T =constant. When do you expect a real gas to behave like an ideal..
- The solid NaCL is a bad conductor of electricity since
