8. Thermochemistry
Internal Energy
42PRACTICE PROBLEM
The air within a piston equipped with a cylinder absorbs 712 J of heat and expands from an initial volume of 0.25 L to a final volume of 1.30 L against an external pressure of 1.2 atm. What is the change in internal energy of the air within the piston?
The air within a piston equipped with a cylinder absorbs 712 J of heat and expands from an initial volume of 0.25 L to a final volume of 1.30 L against an external pressure of 1.2 atm. What is the change in internal energy of the air within the piston?