Which of the following instruments can be used to measure the excess pressure of a trapped mass of gas?
Manometer.
Barometer.
Thermometer.
Hygrometer.
A container is filled with a sample of an ideal gas at a pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume.
What is the new pressure of the gas in atmospheres?
4.
1.
6.
3.