You and your family are taking a road trip that starts at your home (at sea level = 1 atm) and takes you up many mountains. As you drive higher into the mountains, the chip bags you brought as a snack begin to pop. Why is this?

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

How are the terms group and period used on the periodic table

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ