Evaporating water produces gaseous water. What has occurred during this process? OA. A chemical change has resulted in a new substance,
OB. A chemical change has not resulted in a new substance.
OC. A physical change has resulted in a new substance.
OD. A physical change has not resulted in a new substance.

Identifying limitations of kinetic-molecular theorya chemist is studying the properties of a gas under various conditions. he observes that when the gas is at room temperature and low pressure, it behaves as an ideal gas. when the gas is cooled to 10 kelvin and is placed under high pressure, however, it deviates significantly from an ideal .

Calcium chloride +gold(1) oxide—>

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery