Acylinder contains 3.0 l of oxygen at 310 k and 2.5 atm. the gas is heated, causing a piston in the cylinder to move outward. the heating causes the temperature to rise to 610 k and the volume of the cylinder to increase to 9.5 l. what is the gas pressure? p=

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

Which best term to describe a chemical reaction that absorbs energy from its surroundings? a. thermal conductor b. thermal insulator c. endothermic d. exothermic