A gas expands from 15 L to 39 L. In the process it performs 1.8 kJ of work. For which type of change can the initial and final pressure of the gas be calculated?
A. isochoric process
B. isothermal process
C. isobaric process

Carmen is load furniture and boxes onto a moving truck. she picks up boxes of her things, places them on a cart, and pushes the cart to the moving van. which term best describes the type of force carmen uses? a. contact b. friction c. gravity d. noncontact