An air bubble with a radius of 2.5 cm at the bottom of a lake where the temperature is 5.4 0c and the pressure is 3.2atm rises to the surface, where the temperature is 25.0 0c and the pressure is 1.0 atm. calculate the radius of the bubble when it reaches the surface. assume ideal gas behavior.

Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.

What are fossils of organisms that existed over a wide area but only for a limited time period called?

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o