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500 J of work are done on a system in a process that
Chapter 17, Problem 10E(choose chapter or problem)
Problem 10E
500 J of work are done on a system in a process that decreases the system’s thermal energy by 200 J. How much energy is transferred to or from the system as heat?
Questions & Answers
QUESTION:
Problem 10E
500 J of work are done on a system in a process that decreases the system’s thermal energy by 200 J. How much energy is transferred to or from the system as heat?
ANSWER:
Step 1 of 2
We have to find how much energy is transferred to or from the system as heat.
The energy transferred can be found from first law of thermodynamics.
\(\Delta E_{T h}=W+Q\)
Where,
\(\begin{gathered}\Delta E_{T h}=\text { Thermal energy }= \\\quad-200 \mathrm{~J} \text { (decreasing) } \\\begin{aligned}W=\text { Work done }=500 \mathrm{~J}\end{aligned} \end{gathered}\)