Casandra notices that when she breathe on a cool window. The water vapor in her breath from the liquid water What happened to turn the water vapor in her breaThinto liquid water

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro