A closed container contained 7.5 grams of a certain mixture of water and carbon dioxide. If 0.0042 grams of water were removed from the container,
grams of the mixture are left over.

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa