Cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. if the local atmospheric pressure is 101 kpa, determine the temperature at which the water starts boiling when it is heated.

The boiling point of a liquid highly depends on the pressure in the atmosphere. In this case, 101 kPa is the ambient or atmospheric pressure. At this pressure, water boils at exactly 100 degrees Celsius. Hence the answer is:

100 degrees Celsius

kepler used the data from tycho blahe (his mentor) to construct the laws of planetary motion.

see earlier