Flash points are determined experimentally by heating the liquid in a container and then introducing a small flame just above the liquid surface. The temperature at which there is a flash/ignition is recorded as the flash point. Two general methods are called closed-cup and open-cup. The closed-cup method prevents vapors from escaping and therefore usually results in a flash point that is a few degrees lower than in an open cup.
There are two methods for roasting a whole chicken: Regular method: 1  Preheat oven to 350 degrees F (175 degrees C). 2  Roast whole (thawed) chickens for 20 minutes per pound, plus an additional 15 minutes.
Roast the chicken in the oven for 15 minutes. Reduce the temperature to 375Â°F and continue roasting until the juices run clear and a thermometer inserted into the inner thigh (but not touching the bone) registers 165Â°F, about 50 minutes to 1 hour more.