PhysicalChemistry

What is the relationship between gas molecules and their kinetic energy?

• Gas molecules are at large distances from each other and have low kinetic energy.

• Gas molecules are at small distances from each other and have low kinetic energy.

• Gas molecules are at large distances from each other and have high kinetic energy.

• Gas molecules are at small distances from each other and have high kinetic energy.

Units of Pressure can be expressed in standard atmosphere, pascal, torr and _________

Which of the following gas laws states that the volume of a gas is directly proportional to its temperature (in Kelvin) at constant pressure?

• Boyle's law

• Charles's law

• Avogadro's law

• Dalton's law

According to Avogadro's law, at constant temperature and pressure, equal volumes of gases contain equal numbers of __________.

Which of the following statements best describes the behavior of an ideal gas?

• It has no intermolecular forces.

• It obeys all gas laws exactly.

• It behaves similarly to real gases at all conditions.

• It has a non-zero volume.

According to Dalton's law of partial pressures, the total pressure exerted by a mixture of gases is equal to:

Liquids adapt to the space they occupy due to their __________

Which are the fundamental principles in the study of gases?

What is the main reason why solids have a definite shape and volume?

• Due to a fixed arrangement of particles

• Due to a random arrangement of particles

• Due to a lack of particles

• Due to a liquid state

The ideal gas law is expressed as:

• P = (nRT)/V

• P = nRT/V

• PV = nRT

• P = nR/T