QUESTION FIVE $(6$ MARKS$)$

$80$ mol s$-1$ of propane is combusted in a furnace. Propane is supplied to the system at $25\backslash$deg C$,$ and air is

provided at $250\backslash$deg C with the oxygen portion supplied at $500$ mol s$-1.$ The outlet stream leaves the

furnace at $1100\backslash$deg C$.$ Calculate the unknown specific enthalpies in the system and the Q value.

Process:

$1.$ Draw a picture of your system and define boundary

$2.$ Label streams in and out $($including Work and heat$).$ Include all assumptions made.

$3.$ Determine what the variable of interest is$?$

$4.$ Write the balance and ignore terms that are not relevant

$5.$Calculate each relevant term

$6.$ Solve for variable of interest