Introduction to Chemistry
What does the first law of thermodynamics state?
In a thermodynamic study, what is considered the system?
In a scenario where gas molecules push up against a piston, what is the sign of work (w) for the system?
In a refrigerator, heat is removed from the interior to the surroundings. How would you evaluate the signs of q and w for the interior?
A system absorbs 50 J of heat and does 20 J of work on its surroundings. What is the change in internal energy?
