Which of the following is an ozone-depleting substance?

chlorofluorocarbons

hydrofluorocarbons
polychlorinated biphenyls

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

What is a difference between a mixture of elements and a mixture of compounds

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration