Science A student researches the use of a pressure cooker to cook foods quickly at temperatures above the normal boiling point of water.
a. How could you use a particle model to describe why the pressure in a sealed pressure cooker increases as the water is heated.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided