The heat loss : C.8330 J
The laws of thermodynamics 1 state that energy can be changed but cannot be destroyed or created
The equation is:
[tex]\rm \boxed{\bold{\Delta U=Q+W}}[/tex]
This internal energy can change if it absorbs heat Q (U> 0), or releases heat (U <0). Or the internal energy can change if the system does work or accepts work (W)
The sign rules for heat and work are set as follows:
An engine has an input of heat energy of 10,750 J and does 2420 J of work.
Then :
+ Q = 10,750 J (receives heat)
- W = 2,420 J (does work)
Heat loss or internal energy changes :
[tex]\rm \Delta U=10,750-2,420\\\\\Delta U=\boxed{\bold{8330~J}}[/tex]
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