1. How many grams of potassium oxide (K, O) will be formed when 25 grams of potassium reacts with oxygen according to the following reaction:
4K + 0, -26,0

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?

Which statement best explains the relationship between an area is geography and the temperature of its surface water

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d