Which statement about reaction rates is true? A catalyst slows down the reaction rate.

Changing the temperature cannot speed up a reaction rate.

Changing the surface area affects the reaction rate.

Changing the amount of reactants will not change the reaction rate.

BOI YOU BETTER STOP AND ANSER THIS

How do cfcs cause ozone depletion? how do cfcs cause ozone depletion? ultraviolet radiation breaks down cfcs, molecules containing chlorine. chlorine then breaks one oxygen atom away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation breaks down cfcs, molecules containing chlorine. chlorine then breaks two oxygen atoms away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation creates cfcs, molecules containing chlorine. chlorine then breaks two oxygen atoms away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation creates cfcs, molecules containing chlorine. chlorine then breaks one oxygen atom away from ozone, leaving behind a paired oxygen molecule.

What happens in the particles of a gas when the gas is compressed

How many moles of potassium nitrate, kno3 are present in a sample with a mass of 85.2 g?