50 POINTS Do further research on this photo-reactive process and then write a 500-word essay on the pros and cons of the controversy of using chlorofluorocarbons as aerosol propellants. Include and cite recent scientific findings and explain why the ozone layer is so critical to our existence.

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?