Write the molecular, total ionic, and net ionic equations for the following reactions:
(a) ca(oh)2 + hc2h3o2 ?
(b) h3po4 + cacl2 ?

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate

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?

Light waves can move through , but they travel fastest when they move through a(n) .