Explain the meaning of the equation: deltaEsys = q + w. Discuss the specific meanings of positive and?
Explain the meaning of the equation: deltaEsys = q + w. Discuss the specific meanings of positive and negative values for deltaEsys; for q; and for w.
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Change in Energy of System = Heat transferred Work done
deltaEsys = The energy of the system increased
- deltaEsys = The energy of the system decreased
Q = Heat was added to the system... Usually an increase in temp
- Q = Heat was removed from the system... Usually a decrease in temp
W = Postive work was done to the system... Like an external force speeds up the system
- W = Negative work was done to the system... Like friction slows down the system