CHEM 103 Lab Exam 1Questions and Answers 1

When making observations, what are the things you should describe? - ANSWERsmell, appearance, and state of matter of chemicals before and after the reaction, how long the reaction occurred, and names of chemicals



What is the density of a substance? - ANSWERThe amount of matter contained in a specific sized sample of that substance; mass per unit of volume



Will the density of a given substance always be the same despite the volume (as long as the ...