객관식Which law allows the calculation of calories by measuring heat transfer between substances?42views
객관식According to the First Law of Thermodynamics, what are the expected signs of q_{sys} and q_{surr} when a system absorbs heat from its surroundings?105views
객관식What are the signs of q and w when a system loses heat while doing work on the surroundings?5526views27rank
객관식A system receives 575 J of heat and does 425 J of work on the surroundings. Calculate the change in the internal energy, ΔE, of the system.757views