To practice problem-solving strategy 19.1 work in ideal-gas processes. a cylinder with initial volume v contains a sample of a gas at pressure p. on one end of the cylinder, a piston is let free to move so that the gas slowly expands in such a way that its pressure is directly proportional to its volume. after the gas reaches the volume 3v and pressure 3p, the piston is pushed in so that the gas is compressed isobarically to its original volume v. the gas is then cooled isochorically until it returns to the original volume and pressure. find the work w done on the gas during the entire process.

explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​

the gas collects in coils that then becomes a liquid that then flows through the coils inside the refrigerator