1 kg of oxygen is heated from 20 to 120C. Determine the amount of heat transfer required when this is done during a (a) constant-volume process and (b) isobaric (constant pressure) process.

Match the atomic particles with their characteristics. 1. made of two protons and two neutrons neutron 2. similar to an electron; positive charge neutrino 3. orbits nucleus; negative charge positron 4. bundle of energy; zero charge proton 5. found in nucleus; positive charge meson 6. very unstable; +, -, or zero charge gamma 7. found in nucleus; zero charge electron 8. negative particle; negative charge beta 9. atomic energy converted to mass alpha

In physics the desire of an object to keep doing what it is doing is termed?

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane