Three kg of Refrigerant 22 undergoes a process for which the pressure–specific volume relation is p20.8 5 constant. The initial state of the refrigerant is 12 bar and 608C, and the final pressure is 8 bar. Kinetic and potential energy effects are negligible. Determine the work, in kJ, for the process.

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above