The speed of an object at a particular point during travel is called

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Argon, neon, and xenon are examples of

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above