Addie mixes together a solution of 10 grams of salt and 15 mL of hot water. What is the total
mass of the solution?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing