Which of the following statements is true?
an increase in the temperature of a given mass of gas increases the number of gas molecules
an increase in the temperature of the gas does not affect the kinetic energy
an increase in the pressure of the gas is proportional to the increase in volume
a increase in the pressure of a gas is proportional to the decrease in volume at constant temperature
a decrease in the pressure of the gas decreases the number of gas molecules present
Correct answer is D
The basic concept of Boyle's law.