Kai and Maile do their best to encourage you to perform the Hands-On Chemistry activity found on page 289. The result may surprise you. Duration: 1:13.
VIDEO CHECK QUESTIONS
9.10a Is the addition of rubbing alcohol to water an example of a physical or chemical change?
9.10b Do physical changes, like chemical changes, involve the absorption or release of energy?
9.10c Does the addition of rubbing alcohol to water absorb or release energy?
All video check questions can be downloaded from the EXTRAs menu.