1Review of Thermodynamics1stand 2ndLawApplicationsConservation of Energy:The 1stLaw of ThermodynamicsKEPEUQWΔ+ Δ+ Δ=−Change in amount of energy contained within the system during some time interval=Net amount of energy transferred in across the system boundary by heat transfer during the time interval-Net amount of energy transferred out across the system boundary by work during the time interval
has intentionally blurred sections.
Sign up to view the full version.
2Alternative Forms of the Energy Balance•Differential Form:dEQWδδ=−•Time Rate Form:dEQWdt••=−First law for Cycles•First law for an arbitrary system: ΔE=Q-W•For a cycle, ΔEcycle=0 since it begins and ends at the same state. ThuscyclecycleQW=