QUESTION $7$

$"$A $12-$pack canned drink is to be colled from $25$ C to $5$ C $.$ The mass of each canned drink is $0\mathrm{.}361$ kg $.$ The drink can be treated as water, and the energy stored in the aluminum can its is

neolipible. The amount of heat transfer $($in kj$)$ from the total drinks is $?"$

QUESTION $8$

"A room contains $75$ kg of air at $100$ kPa and $15$ C $.$ The room has a $255-W$ refrigerator, a $122-W$ TV$,$ a $1\mathrm{.}85-kW$ electric resistance heater, and a $55-W$ fan. During a cold winter day, it is

observed that the refrigerator, the TV$,$ the fan, and the heater are running continuously but the air temperature in the room remains constant. The rate of heat loss $($in kj$/$h$)$ from the room

that day is $?"$