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/ B.) Similarly the initial mass of sit in the tank is
minitial - Pinitial V
R Tinitial
minitial = ( 60 0 15 PQ). ( 5 x 105 m? )
- 3 .5 68 x 10 kq
(0. 287 K Pa . m 3 / kq . 1) ( 293 k )
the final mass in the tank is,
mfinal -
Pifinal . V
R Tfinal
meinal = ( 10 0 K Pa ) (5x 105 m 3 )
- 0 59 46 X 106 kq
( 0 . 2 8 7 K P Q . m' / k g . k ) ( 29 3 k )
The conservation of mass is, Im - min
at
while the first law gives of d ( mu) - Rdm
dt
dt
Employing the ideal gas equation of state and using
constant specific heats , expands this result to
Q= VCV d P - COT V CP
R dt
RT dt
- CV- Cp V dp
R
at
- - V dp
dt
when this is Integrated over the Process the Result
Q - - V ( PR - Pi ) - - 5 X 105 (100 - 600)
Q - 2 . 5 X 108 KJ...
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- Fall '19
