PLEASE WORK AND EXPLAIN REASONING FOR PARTS E$-$I

$(9$ points$)$ A propane tank for a residential gas grill has a volume of $4\mathrm{.}6$ gallons and a tare $($empty$)$ weight

of $16\mathrm{.}6$ lb $.$ The tank contains a mixture of liquid propane and propane vapor.

The tank has been sitting in a shady spot on an outdoor patio during the afternoon on a day when the air

temperature of $80F$ and the barometric pressure of $15\mathrm{.}1$ psia are steady.

In direct sunlight, the heat transfer rate through the tank wall into the propane is $434Bt\frac{u}{h}$ due to the

combined effects of radiation, convection, and radiation.

The top of Samford Hall is $137$ ft above the lawn.

The tank and contents together weigh $27\mathrm{.}2$ lbf $.$ A pressure gage at the top of the tank reads $128\mathrm{.}9$ psig.

a$.0\mathrm{.}615$ tankvolume $0\mathrm{.}614928$

e$.4\mathrm{.}79$ Biv

$4\mathrm{.}21.44$

$4\mathrm{.}21$ Biu

n$.94\mathrm{.}0$ Biu

sundertioc $13$ minutes $\frac{8\mathrm{.}871069}{82}$