At the end of the experiment, tell what happens to the balloon. you place a balloon in a closed chamber at standard temperature and pressure (stp). you double the chamber temperature while leaving the pressure constant.
a. it doubles in volume.
b. it decreases to one-half of its original volume.
c. it stays the same volume.
d. it expands to four times its original volume.

What is the number of atoms in 3.54 mol s

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.

You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?